Tractocile
1 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANNEX I 

 

SUMMARY OF PRODUCT CHARACTERISTICS 

 



2 

1. NAME OF THE MEDICINAL PRODUCT 

 
Tractocile 6.75 mg/0.9 ml solution for injection 

 

 

2. QUALITATIVE AND QUANTITATIVE COMPOSITION 

 
Each vial of 0.9 ml solution contains 6.75 mg atosiban (as acetate).  

 

For a full list of excipients, see section 6.1. 

 

 

3. PHARMACEUTICAL FORM 

 
Solution for injection (injection). 

Clear, colourless solution without particles. 

 

 

4. CLINICAL PARTICULARS 

 

4.1 Therapeutic indications 

 
Tractocile is indicated to delay imminent pre-term birth in pregnant adult women with: 

 regular uterine contractions of at least 30 seconds duration at a rate of  4 per 30 minutes 

 a cervical dilation of 1 to 3 cm (0-3 for nulliparas) and effacement of  50% 

 a gestational age from 24 until 33 completed weeks 

 a normal foetal heart rate 

 

4.2 Posology and method of administration 

 

Posology 

 
Treatment with Tractocile should be initiated and maintained by a physician experienced in the treatment of 

pre-term labour. 

 

Tractocile is administered intravenously in three successive stages: an initial bolus dose (6.75 mg), 

performed with Tractocile 6.75 mg/0.9 ml solution for injection, immediately followed by a continuous high 

dose infusion (loading infusion 300 micrograms/min) of Tractocile 37.5 mg/5 ml concentrate for solution for 

infusion during three hours, followed by a lower dose of Tractocile 37.5 mg/5 ml concentrate for solution for 

infusion (subsequent infusion 100 micrograms/min) up to 45 hours. The duration of the treatment should not 

exceed 48 hours. The total dose given during a full course of Tractocile therapy should preferably not exceed 

330.75 mg of atosiban. 

 

Intravenous therapy using the initial bolus injection should be started as soon as possible after diagnosis of 

pre-term labour. Once the bolus has been injected, proceed with the infusion (See Summary of Product 

Characteristics of Tractocile 37.5 mg/5 ml, concentrate for solution for infusion). In the case of persistence 

of uterine contractions during treatment with Tractocile, alternative therapy should be considered. 

 

The following table shows the full posology of the bolus injection followed by the infusion: 



3 

 

Step Regimen Infusion rate Atosiban dose 

1 0.9 ml intravenous bolus 

injection given over 1 minute 

Not applicable 6.75 mg 

2 3 hours intravenous loading 

infusion 

24 ml/hour (300 µg/min) 54 mg 

3 Up to 45 hours subsequent 

intravenous infusion 

8 ml/hour (100 µg/min) Up to 270 mg 

 

Re-treatment: 

In case a re-treatment with atosiban is needed, it should also commence with a bolus injection of Tractocile 

6.75 mg/0.9 ml, solution for injection followed by infusion with Tractocile 37.5 mg/5 ml, concentrate for 

solution for infusion. 

 

Patients with renal or hepatic impairment 

There is no experience with atosiban treatment in patients with impaired function of the liver or kidneys. 

Renal impairment is not likely to warrant a dose adjustment, since only a small extent of atosiban is excreted 

in the urine. In patients with impaired hepatic function, atosiban should be used with caution. 

 

Paediatric population 

The safety and efficacy of Tractocile in pregnant women aged less than 18 years have not been established.  

No data are available. 

 
Method of administration  

 

For instructions on preparation of the medicinal product before administration, see section 6.6. 

 

4.3 Contraindications 

 
Tractocile must not be used in the following conditions: 

 

 Gestational age below 24 or over 33 completed weeks 

 Premature rupture of the membranes >30 weeks of gestation 

 Abnormal foetal heart rate 

 Antepartum uterine haemorrhage requiring immediate delivery 

 Eclampsia and severe pre-eclampsia requiring delivery 

 Intrauterine foetal death 

 Suspected intrauterine infection 

 Placenta praevia 

 Abruptio placenta 

 Any other conditions of the mother or foetus, in which continuation of pregnancy is hazardous 

 Hypersensitivity to the active substance(s) or to any of the excipients listed in section 6.1. 

 

4.4 Special warnings and precautions for use 

 

When atosiban is used in patients in whom premature rupture of membranes cannot be excluded, the benefits 

of delaying delivery should be balanced against the potential risk of chorioamnionitis. 

 

There is no experience with atosiban treatment in patients with impaired function of the liver or kidneys. 

Renal impairment is not likely to warrant a dose adjustment, since only a small extent of atosiban is excreted 

in the urine. In patients with impaired hepatic function, atosiban should be used with caution (see sections 

4.2 and 5.2). 

 

There is only limited clinical experience in the use of atosiban in multiple pregnancies or the gestational age 

group between 24 and 27 weeks, because of the small number of patients treated. The benefit of atosiban in 

these subgroups is therefore uncertain. 



4 

 

Re-treatment with Tractocile is possible, but there is only limited clinical experience available with multiple 

re-treatments, up to 3 re-treatments (see section 4.2). 

In case of intrauterine growth retardation, the decision to continue or reinitiate the administration of 

Tractocile depends on the assessment of fetal maturity. 

 

Monitoring of uterine contractions and fetal heart rate during administration of atosiban and in case of 

persistent uterine contractions should be considered. 

As an antagonist of oxytocin, atosiban may theoretically facilitate uterine relaxation and postpartum bleeding 

therefore blood loss after delivery should be monitored. However, inadequate uterus contraction postpartum 

was not observed during the clinical trials. 

 

Multiple pregnancy and medicinal products with tocolytic activity like calcium channel blockers and beta-

mimetics are known to be associated with increased risk of pulmonary oedema. Therefore, atosiban should 

be used with caution in case of multiple pregnancy and/or concomitant administration of other medicinal 

products with tocolytic activity (see section 4.8). 

 

4.5 Interaction with other medicinal products and other forms of interaction 

 

It is unlikely that atosiban is involved in cytochrome P450 mediated drug-drug interactions as in vitro 

investigations have shown that atosiban is not a substrate for the cytochrome P450 system, and does not 

inhibit the drug metabolising cytochrome P450 enzymes. 

 

Interaction studies have been performed with labetalol and betamethasone in healthy, female 

volunteers. No clinically relevant interaction was found between atosiban and bethamethasone or labetalol. 
 

4.6 Fertility, pregnancy and lactation 

 

Atosiban should only be used when pre-term labour has been diagnosed between 24 and 33 completed weeks 

of gestation. If during pregnancy the woman is already breast-feeding an earlier child, then breast-feeding 

should be discontinued during treatment with Tractocile, since the release of oxytocin during breast-feeding 

may augment uterine contractility, and may counteract the effect of tocolytic therapy. 

 

In atosiban clinical trials no effects were observed on breast-feeding. Small amounts of atosiban have been 

shown to pass from plasma into the breast milk of breast-feeding women. 

 

Embryo-fetal toxicity studies have not shown toxic effects of atosiban. No studies were performed that 

covered fertility and early embryonic development (see section 5.3). 

 

4.7 Effects on ability to drive and use machines 

 
Not relevant. 

 

4.8 Undesirable effects 

 
Possible adverse reactions of atosiban were described for the mother during the use of atosiban in clinical 

trials. In total 48% of the patients treated with atosiban experienced adverse reactions during the clinical 

trials. The observed adverse reactions were generally of a mild severity. The most commonly reported 

adverse reaction in the mother is nausea (14 %).  

 

For the newborn, the clinical trials did not reveal any specific adverse reactions of atosiban. The infant 

adverse reactions were in the range of normal variation and were comparable with both placebo and beta-

mimetic group incidences. 

 



5 

The frequency of adverse reactions listed below is defined using the following convention: Very common 

(≥1/10); Common (≥1/100 to <1/10); Uncommon (≥1/1,000 to <1/100); Rare (≥1/10,000 to <1/1,000). 
Within each frequency grouping, adverse reactions are presented in order of decreasing seriousness. 

 

MedDRA System Organ 

Class (SOC) 

Very 

common 

Common Uncommon Rare 

Immune system disorders    Allergic reaction 

Metabolism and nutrition 

disorders  

 Hyperglycaemia   

Psychiatric disorder   Insomnia  

Nervous system disorders  Headache, 

Dizziness 

  

Cardiac disorders  Tachycardia   

Vascular disorders  Hypotension, 

Hot flush 

  

Gastrointestinal disorders Nausea Vomiting   

Skin and subcutaneous tissue 

disorders 

  Pruritis, 

Rash 

 

Reproductive system and 

breast disorder 

   Uterine haemorrhage, 

uterine atony 

General disorders and 

administration site 

conditions 

 Injection site 

reaction  

Pyrexia  

 

Post-marketing experience 

 

Respiratory events like dyspnoea and pulmonary oedema, particularly in association with concomitant 

administration of other medicinal products with tocolytic activity, like calcium antagonists and beta-

mimetics, and/or in women with multiple pregnancy, have been reported post-marketing. 

 

Reporting of suspected adverse reactions 

Reporting suspected adverse reactions after authorisation of the medicinal product is important. It allows 

continued monitoring of the benefit/risk balance of the medicinal product. Healthcare professionals are asked 

to report any suspected adverse reactions via the national reporting system listed in Appendix V. 
 

4.9 Overdose 

 
Few cases of atosiban overdosing were reported, they occurred without any specific signs or symptoms. 

There is no known specific treatment in case of an overdose. 

 

 

5. PHARMACOLOGICAL PROPERTIES 

 

5.1  Pharmacodynamic properties 

 
Pharmacotherapeutic group: Other gynecologicals, ATC code: G02CX01 

 

Tractocile contains atosiban (INN), a synthetic peptide ([Mpa1,D-Tyr(Et)2,Thr4,Orn8]-oxytocin) which is a 

competitive antagonist of human oxytocin at receptor level. In rats and guinea pigs, atosiban was shown to 

bind to oxytocin receptors, to decrease the frequency of contractions and the tone of the uterine musculature, 

resulting in a suppression of uterine contractions. Atosiban was also shown to bind to the vasopressin 

receptor, thus inhibiting the effect of vasopressin. In animals atosiban did not exhibit cardiovascular effects. 

 

In human pre-term labour, atosiban at the recommended dosage antagonises uterine contractions and induces 

uterine quiescence. The onset of uterus relaxation following atosiban is rapid, uterine contractions being 

http://www.ema.europa.eu/docs/en_GB/document_library/Template_or_form/2013/03/WC500139752.doc


6 

significantly reduced within 10 minutes to achieve stable uterine quiescence ( 4 contractions/hour) for 
12 hours. 

 

Phase III clinical trials (CAP-001 studies) include data from 742 women who were diagnosed with pre-term 

labour at 23–33 weeks of gestation and were randomised to receive either atosiban (according to this 

labelling) or -agonist (dose-titrated). 

 

Primary endpoint: the primary efficacy outcome was the proportion of women remaining undelivered and 

not requiring alternative tocolysis within 7 days of treatment initiation. The data show that 59.6% (n=201) 

and 47.7% (n=163) of atosiban- and -agonist-treated women (p=0.0004), respectively, were undelivered 

and did not require alternative tocolysis within 7 days of starting treatment. Most of the treatment failures in 

CAP-001 were caused by poor tolerability. Treatment failures caused by insufficient efficacy were 

significantly (p=0.0003) more frequent in atosiban (n=48, 14.2%) than in the -agonist-treated women 

(n=20, 5.8%). 

In the CAP-001 studies the probability of remaining undelivered and not requiring alternative tocolytics 

within 7 days of treatment initiation was similar for atosiban and beta-mimetics treated women at gestational 

age of 24-28 weeks. However, this finding is based on a very small sample (n=129 patients). 

 

Secondary endpoints: secondary efficacy parameters included the proportion of women remaining 

undelivered within 48 h of treatment initiation. There was no difference between the atosiban and beta-

mimetic groups with regard to this parameter. 

 

Mean (SD) gestational age at delivery was the same in the two groups: 35.6 (3.9) and 35.3 (4.2) weeks for 

the atosiban and -agonist groups, respectively (p=0.37). Admission to a neonatal intensive care unit (NICU) 

was similar for both treatment groups (approximately 30%), as was length of stay and ventilation therapy. 

Mean (SD) birth weight was 2491 (813) grams in the atosiban group and 2461 (831) grams in the -agonist 

group (p=0.58). 

 

Fetal and maternal outcome did apparently not differ between the atosiban and the -agonist group, but the 

clinical studies were not powered enough to rule out a possible difference. 

 

Of the 361 women who received atosiban treatment in the phase III studies, 73 received at least one re-

treatment, 8 received at least 2 re-treatments and 2 received 3 re-treatments (see section 4.4). 

 

As the safety and efficacy of atosiban in women with a gestational age of less than 24 completed weeks has 

not been established in controlled randomised studies, the treatment of this patient group with atosiban is not 

recommended (see section 4.3). 

 

In a placebo-controlled study, fetal/infant deaths were 5/295 (1.7%) in the placebo group and 15/288 (5.2%) 

in the atosiban group, of which two occurred at five and eight months of age. Eleven out of the 15 deaths in 

the atosiban group occurred in pregnancies with a gestational age of 20 to 24 weeks, although in this 

subgroup patient distribution was unequal (19 women on atosiban, 4 on placebo). For women with a 

gestational age greater than 24 weeks there was no difference in mortality rate (1.7% in the placebo group 

and 1.5% in the atosiban group). 

 

5.2 Pharmacokinetic properties 

 
In healthy non-pregnant subjects receiving atosiban infusions (10 to 300 micrograms/min over 12 hours), the 

steady state plasma concentrations increased proportionally to the dose. 

 

The clearance, volume of distribution and half-life were found to be independent of the dose. 

 

In women in pre-term labour receiving atosiban by infusion (300 micrograms/min for 6 to 12 hours), steady 

state plasma concentrations were reached within one hour following the start of the infusion (mean 442 

± 73 ng/ml, range 298 to 533 ng/ml). 

 



7 

Following completion of the infusion, plasma concentration rapidly declined with an initial (tα) and terminal 

(tβ) half-life of 0.21 ± 0.01 and 1.7 ± 0.3 hours, respectively. Mean value for clearance was 41.8 

± 8.2 litres/h. Mean value of volume of distribution was 18.3 ± 6.8 litres. 

 

Plasma protein binding of atosiban is 46 to 48% in pregnant women. It is not known whether the free 

fraction in the maternal and fetal compartments differs substantially. Atosiban does not partition into red 

blood cells. 

 

Atosiban passes the placenta. Following an infusion of 300 micrograms/min in healthy pregnant women at 

term, the fetal/maternal atosiban concentration ratio was 0.12. 

Two metabolites were identified in the plasma and urine from human subjects. The ratios of the main 

metabolite M1 (des-(Orn8, Gly-NH29)-[Mpa1, D-Tyr(Et)2, Thr4]-oxytocin) to atosiban concentrations in 

plasma were 1.4 and 2.8 at the second hour and at the end of the infusion respectively. It is not known 

whether M1 accumulates in tissues. Atosiban is found in only small quantities in urine, its urinary 

concentration is about 50 times lower than that of M1. The proportion of atosiban eliminated in faeces is not 

known. The main metabolite M1 is approximately 10 times less potent than atosiban in inhibiting oxytocin-

induced uterine contractions in vitro. Metabolite M1 is excreted in milk (see section 4.6). 

 

There is no experience with atosiban treatment in patients with impaired function of the liver or kidneys. 

Renal impairment is not likely to warrant a dose adjustment, since only a small extent of atosiban is excreted 

in the urine. In patients with impaired hepatic function, atosiban should be used with caution (see sections 

4.2 and 4.4). 

 

It is unlikely that atosiban inhibits hepatic cytochrome P450 isoforms in humans (see section 4.5). 

 

5.3 Preclinical safety data 

 
No systemic toxic effects were observed during the two-week intravenous toxicity studies (in rats and dogs) 

at doses which are approximately 10 times higher than the human therapeutic dose, and during the three-

months toxicity studies in rats and dogs (up to 20 mg/kg/day s.c.). The highest atosiban subcutaneous dose 

not producing any adverse effects was approximately two times the therapeutic human dose. 

 

No studies were performed that covered fertility and early embryonic development. Reproduction toxicity 

studies, with dosing from implantation up to late stage pregnancy, showed no effects on mothers and fetuses. 

The exposure of the rat fetus was approximately four times that received by the human fetus during 

intravenous infusions in women. Animal studies have shown inhibition of lactation as expected from the 

inhibition of action of oxytocin. 

 

Atosiban was neither oncogenic nor mutagenic in in vitro and in vivo tests. 

 

 

6. PHARMACEUTICAL PARTICULARS 

 

6.1 List of excipients 

 
Mannitol 

Hydrochloric acid 1M 

Water for injections 

 

6.2 Incompatibilities 

 
In the absence of compatibility studies, this medicinal product must not be mixed with other medicinal 

products. 

 

6.3 Shelf life 

 
4 years. 



8 

Once the vial has been opened, the product must be used immediately. 

 

6.4 Special precautions for storage 

 
Store in a refrigerator (2°C - 8°C). 

Store in the original package in order to protect from light. 

For storage conditions after first opening of the medicinal product, see section 6.3. 

 

6.5 Nature and contents of container  

 
One vial of solution for injection contains 0.9 ml solution, corresponding to 6.75 mg atosiban. 

Colourless glass vials, clear borosilicated (type I) sealed with grey siliconised bromo-butyl rubber stopper, 

type I, and flip-off cap of polypropylene and aluminium. 

 

6.6 Special precautions for disposal and other handling 

 
The vials should be inspected visually for particulate matter and discoloration prior to administration. 

 

Preparation of the initial intravenous injection: 

Withdraw 0.9 ml of a 0.9 ml labelled vial of Tractocile 6.75 mg/0.9 ml, solution for injection and administer 

slowly as an intravenous bolus dose over one minute, under adequate medical supervision in an obstetric 

unit. The Tractocile 6.75 mg/0.9 ml, solution for injection should be used immediately. 

 

 

7. MARKETING AUTHORISATION HOLDER 

 

Ferring Pharmaceuticals A/S 

Kay Fiskers Plads 11 

2300 København S 

Denmark 

Tel: +45 88 33 88 34 

 

 

8. MARKETING AUTHORISATION NUMBER(S)  

 
EU/1/99/124/001 

 

 

9. DATE OF FIRST AUTHORISATION/RENEWAL OF THE AUTHORISATION 

 

Date of first authorisation: 20 January 2000 

Date of latest renewal: 20 January 2010 

 

 

10. DATE OF REVISION OF THE TEXT 

 

 

Detailed information on this medicinal product is available on the website of the European Medicines 

Agency http://www.ema.europa.eu. 

http://www.ema.europa.eu/


9 

1. NAME OF THE MEDICINAL PRODUCT 

 
Tractocile 37.5 mg/5 ml concentrate for solution for infusion 

 

 

2. QUALITATIVE AND QUANTITATIVE COMPOSITION 

 
Each vial of 5 ml solution contains 37.5 mg atosiban (as acetate).  

Each ml of solution contains 7.5 mg atosiban. 

 

After dilution, the concentration of atosiban is 0.75 mg/ml. 

 

For a full list of excipients, see section 6.1. 

 

 

3. PHARMACEUTICAL FORM 

 

Concentrate for solution for infusion (sterile concentrate). 

Clear, colourless solution without particles. 

 

 

4. CLINICAL PARTICULARS 

 

4.1 Therapeutic indications 

 

Tractocile is indicated to delay imminent pre-term birth in pregnant adult women with: 

 regular uterine contractions of at least 30 seconds duration at a rate of  4 per 30 minutes 

 a cervical dilation of 1 to 3 cm (0-3 for nulliparas) and effacement of  50% 

 a gestational age from 24 until 33 completed weeks 

 a normal foetal heart rate 

 

4.2 Posology and method of administration 

 

Posology 

 
Treatment with Tractocile should be initiated and maintained by a physician experienced in the treatment of 

pre-term labour. 

 

Tractocile is administered intravenously in three successive stages: an initial bolus dose (6.75 mg), 

performed with Tractocile 6.75 mg/0.9 ml solution for injection, immediately followed by a continuous high 

dose infusion (loading infusion 300 micrograms/min) of Tractocile 37.5 mg/5 ml concentrate for solution for 

infusion during three hours, followed by a lower dose of Tractocile 37.5 mg/5 ml concentrate for solution for 

infusion (subsequent infusion 100 micrograms/min) up to 45 hours. The duration of the treatment should not 

exceed 48 hours. The total dose given during a full course of Tractocile therapy should preferably not exceed 

330.75 mg of atosiban. 

 

Intravenous therapy using the initial bolus injection of Tractocile 6.75 mg/0.9 ml, solution for injection (see 

Summary of Product Characteristics of this product) should be started as soon as possible after diagnosis of 

pre-term labour. Once the bolus has been injected, proceed with the infusion. In the case of persistence of 

uterine contractions during treatment with Tractocile, alternative therapy should be considered. 

 

The following table shows the full posology of the bolus injection followed by the infusion: 



10 

 

Step Regimen Infusion rate Atosiban dose 

1 0.9 ml intravenous bolus 

injection given over 1 minute 

Not applicable 6.75 mg 

2 3 hours intravenous loading 

infusion 

24 ml/hour (300 µg/min) 54 mg 

3 Up to 45 hours subsequent 

intravenous infusion 

8 ml/hour (100 µg/min) Up to 270 mg 

 

Re-treatment: 

In case a re-treatment with atosiban is needed, it should also commence with a bolus injection of Tractocile 

6.75 mg/0.9 ml, solution for injection followed by infusion with Tractocile 37.5 mg/5 ml, concentrate for 

solution for infusion. 

 

Patients with renal or hepatic impairment 

There is no experience with atosiban treatment in patients with impaired function of the liver or kidneys. 

Renal impairment is not likely to warrant a dose adjustment, since only a small extent of atosiban is excreted 

in the urine. In patients with impaired hepatic function, atosiban should be used with caution. 

 

Paediatric population 

The safety and efficacy of Tractocile in pregnant women aged less than 18 years have not been established.  

No data are available. 

 

Method of administration  

 

For instructions on preparation of the medicinal product before administration, see section 6.6. 

 

4.3 Contraindications 

 
Tractocile must not be used in the following conditions: 

 

 Gestational age below 24 or over 33 completed weeks 

 Premature rupture of the membranes >30 weeks of gestation 

 Abnormal foetal heart rate 

 Antepartum uterine haemorrhage requiring immediate delivery 

 Eclampsia and severe pre-eclampsia requiring delivery 

 Intrauterine foetal death 

 Suspected intrauterine infection 

 Placenta praevia 

 Abruptio placenta 

 Any other conditions of the mother or foetus, in which continuation of pregnancy is hazardous 

 Hypersensitivity to the active substance(s) or to any of the excipients listed in section 6.1. 

 

4.4 Special warnings and precautions for use 

 

When atosiban is used in patients in whom premature rupture of membranes cannot be excluded, the benefits 

of delaying delivery should be balanced against the potential risk of chorioamnionitis. 

 

There is no experience with atosiban treatment in patients with impaired function of the liver or kidneys. 

Renal impairment is not likely to warrant a dose adjustment, since only a small extent of atosiban is excreted 

in the urine. In patients with impaired hepatic function, atosiban should be used with caution (see sections 

4.2 and 5.2). 

 

There is only limited clinical experience in the use of atosiban in multiple pregnancies or the gestational age 

group between 24 and 27 weeks, because of the small number of patients treated. The benefit of atosiban in 

these subgroups is therefore uncertain. 



11 

 

Re-treatment with Tractocile is possible, but there is only limited clinical experience available with multiple 

re-treatments, up to 3 re-treatments (see section 4.2). 

In case of intrauterine growth retardation, the decision to continue or reinitiate the administration of 

Tractocile depends on the assessment of fetal maturity. 

 

Monitoring of uterine contractions and fetal heart rate during administration of atosiban and in case of 

persistent uterine contractions should be considered. 

 

As an antagonist of oxytocin, atosiban may theoretically facilitate uterine relaxation and postpartum bleeding 

therefore blood loss after delivery should be monitored. However, inadequate uterus contraction postpartum 

was not observed during the clinical trials. 

 

Multiple pregnancy and medicinal products with tocolytic activity like calcium channel blockers and beta-

mimetics are known to be associated with increased risk of pulmonary oedema. Therefore, atosiban should 

be used with caution in case of multiple pregnancy and/or concomitant administration of other medicinal 

products with tocolytic activity (see section 4.8). 

 

4.5 Interaction with other medicinal products and other forms of interaction 

 
It is unlikely that atosiban is involved in cytochrome P450 mediated drug-drug interactions as in vitro 

investigations have shown that atosiban is not a substrate for the cytochrome P450 system, and does not 

inhibit the drug metabolising cytochrome P450 enzymes. 

 

Interaction studies have been performed with labetalol and betamethasone in healthy, female 

volunteers. No clinically relevant interaction was found between atosiban and bethamethasone or labetalol. 
 

4.6 Fertility, pregnancy and lactation 

 

Atosiban should only be used when pre-term labour has been diagnosed between 24 and 33 completed weeks 

of gestation. If during pregnancy the woman is already breast-feeding an earlier child, then breast-feeding 

should be discontinued during treatment with Tractocile, since the release of oxytocin during breast-feeding 

may augment uterine contractility, and may counteract the effect of tocolytic therapy. 
 

In atosiban clinical trials no effects were observed on breast-feeding. Small amounts of atosiban have been 

shown to pass from plasma into the breast milk of breast-feeding women. 

 

Embryo-fetal toxicity studies have not shown toxic effects of atosiban. No studies were performed that 

covered fertility and early embryonic development (see section 5.3). 

 

4.7 Effects on ability to drive and use machines 

 
Not relevant. 

 

4.8 Undesirable effects 

 
Possible adverse reactions of atosiban were described for the mother during the use of atosiban in clinical 

trials. In total 48% of the patients treated with atosiban experienced adverse reactions during the clinical 

trials. The observed adverse reactions were generally of a mild severity. The most commonly reported 

adverse reaction in the mother is nausea (14 %).  

 

For the newborn, the clinical trials did not reveal any specific adverse reactions of atosiban. The infant 

adverse reactions were in the range of normal variation and were comparable with both placebo and beta-

mimetic group incidences. 

 



12 

The frequency of adverse reactions listed below is defined using the following convention: Very common 

(≥1/10); Common (≥1/100 to <1/10); Uncommon (≥1/1,000 to <1/100); Rare (≥1/10,000 to <1/1,000). 
Within each frequency grouping, adverse reactions are presented in order of decreasing seriousness. 

 

MedDRA System Organ 

Class (SOC) 

Very 

common 

Common Uncommon Rare 

Immune system disorders    Allergic reaction 

Metabolism and nutrition 

disorders  

 Hyperglycaemia   

Psychiatric disorder   Insomnia  

Nervous system disorders  Headache, 

Dizziness 

  

Cardiac disorders  Tachycardia   

Vascular disorders  Hypotension, 

Hot flush 

  

Gastrointestinal disorders Nausea Vomiting   

Skin and subcutaneous tissue 

disorders 

  Pruritis, 

Rash 

 

Reproductive system and 

breast disorder 

   Uterine haemorrhage, 

uterine atony 

General disorders and 

administration site 

conditions 

 Injection site 

reaction  

Pyrexia  

 

Post-marketing experience 

 

Respiratory events like dyspnoea and pulmonary oedema, particularly in association with concomitant 

administration of other medicinal products with tocolytic activity, like calcium antagonists and beta-

mimetics, and/or in women with multiple pregnancy, have been reported post-marketing. 

 

Reporting of suspected adverse reactions 

Reporting suspected adverse reactions after authorisation of the medicinal product is important. It allows 

continued monitoring of the benefit/risk balance of the medicinal product. Healthcare professionals are asked 

to report any suspected adverse reactions via the national reporting system listed in Appendix V. 
 

4.9 Overdose 

 
Few cases of atosiban overdosing were reported, they occurred without any specific signs or symptoms. 

There is no known specific treatment in case of an overdose. 

 

 

5. PHARMACOLOGICAL PROPERTIES 

 

5.1  Pharmacodynamic properties 

 
Pharmacotherapeutic group: Other gynecologicals, ATC code: G02CX01 

 

Tractocile contains atosiban (INN), a synthetic peptide ([Mpa1,D-Tyr(Et)2,Thr4,Orn8]-oxytocin) which is a 

competitive antagonist of human oxytocin at receptor level. In rats and guinea pigs, atosiban was shown to 

bind to oxytocin receptors, to decrease the frequency of contractions and the tone of the uterine musculature, 

resulting in a suppression of uterine contractions. Atosiban was also shown to bind to the vasopressin 

receptor, thus inhibiting the effect of vasopressin. In animals atosiban did not exhibit cardiovascular effects. 

 

In human pre-term labour, atosiban at the recommended dosage antagonises uterine contractions and induces 

uterine quiescence. The onset of uterus relaxation following atosiban is rapid, uterine contractions being 

http://www.ema.europa.eu/docs/en_GB/document_library/Template_or_form/2013/03/WC500139752.doc


13 

significantly reduced within 10 minutes to achieve stable uterine quiescence ( 4 contractions/hour) for 
12 hours. 

 

Phase III clinical trials (CAP-001 studies) include data from 742 women who were diagnosed with pre-term 

labour at 23–33 weeks of gestation and were randomised to receive either atosiban (according to this 

labelling) or -agonist (dose-titrated). 

 

Primary endpoint: the primary efficacy outcome was the proportion of women remaining undelivered and 

not requiring alternative tocolysis within 7 days of treatment initiation. The data show that 59.6% (n=201) 

and 47.7% (n=163) of atosiban- and -agonist-treated women (p=0.0004), respectively, were undelivered 

and did not require alternative tocolysis within 7 days of starting treatment. Most of the treatment failures in 

CAP-001 were caused by poor tolerability. Treatment failures caused by insufficient efficacy were 

significantly (p=0.0003) more frequent in atosiban (n=48, 14.2%) than in the -agonist-treated women 

(n=20, 5.8%). 

In the CAP-001 studies the probability of remaining undelivered and not requiring alternative tocolytics 

within 7 days of treatment initiation was similar for atosiban and beta-mimetics treated women at gestational 

age of 24-28 weeks. However, this finding is based on a very small sample (n=129 patients). 

 

Secondary endpoints: secondary efficacy parameters included the proportion of women remaining 

undelivered within 48 h of treatment initiation. There was no difference between the atosiban and beta-

mimetic groups with regard to this parameter. 

 

Mean (SD) gestational age at delivery was the same in the two groups: 35.6 (3.9) and 35.3 (4.2) weeks for 

the atosiban and -agonist groups, respectively (p=0.37). Admission to a neonatal intensive care unit (NICU) 

was similar for both treatment groups (approximately 30%), as was length of stay and ventilation therapy. 

Mean (SD) birth weight was 2491 (813) grams in the atosiban group and 2461 (831) grams in the -agonist 

group (p=0.58). 

 

Fetal and maternal outcome did apparently not differ between the atosiban and the -agonist group, but the 

clinical studies were not powered enough to rule out a possible difference. 

 

Of the 361 women who received atosiban treatment in the phase III studies, 73 received at least one re-

treatment, 8 received at least 2 re-treatments and 2 received 3 re-treatments (see section 4.4). 

 

As the safety and efficacy of atosiban in women with a gestational age of less than 24 completed weeks has 

not been established in controlled randomised studies, the treatment of this patient group with atosiban is not 

recommended (see section 4.3). 

 

In a placebo-controlled study, fetal/infant deaths were 5/295 (1.7%) in the placebo group and 15/288 (5.2%) 

in the atosiban group, of which two occurred at five and eight months of age. Eleven out of the 15 deaths in 

the atosiban group occurred in pregnancies with a gestational age of 20 to 24 weeks, although in this 

subgroup patient distribution was unequal (19 women on atosiban, 4 on placebo). For women with a 

gestational age greater than 24 weeks there was no difference in mortality rate (1.7% in the placebo group 

and 1.5% in the atosiban group). 

 

5.2 Pharmacokinetic properties 

 
In healthy non-pregnant subjects receiving atosiban infusions (10 to 300 micrograms/min over 12 hours), the 

steady state plasma concentrations increased proportionally to the dose. 

 

The clearance, volume of distribution and half-life were found to be independent of the dose. 

 

In women in pre-term labour receiving atosiban by infusion (300 micrograms/min for 6 to 12 hours), steady 

state plasma concentrations were reached within one hour following the start of the infusion (mean 442 

± 73 ng/ml, range 298 to 533 ng/ml). 

 



14 

Following completion of the infusion, plasma concentration rapidly declined with an initial (tα) and terminal 

(tβ) half-life of 0.21 ± 0.01 and 1.7 ± 0.3 hours, respectively. Mean value for clearance was 41.8 

± 8.2 litres/h. Mean value of volume of distribution was 18.3 ± 6.8 litres. 

 

Plasma protein binding of atosiban is 46 to 48% in pregnant women. It is not known whether the free 

fraction in the maternal and fetal compartments differs substantially. Atosiban does not partition into red 

blood cells. 

 

Atosiban passes the placenta. Following an infusion of 300 micrograms/min in healthy pregnant women at 

term, the fetal/maternal atosiban concentration ratio was 0.12. 

Two metabolites were identified in the plasma and urine from human subjects. The ratios of the main 

metabolite M1 (des-(Orn8, Gly-NH29)-[Mpa1, D-Tyr(Et)2, Thr4]-oxytocin) to atosiban concentrations in 

plasma were 1.4 and 2.8 at the second hour and at the end of the infusion respectively. It is not known 

whether M1 accumulates in tissues. Atosiban is found in only small quantities in urine, its urinary 

concentration is about 50 times lower than that of M1. The proportion of atosiban eliminated in faeces is not 

known. The main metabolite M1 is approximately 10 times less potent than atosiban in inhibiting oxytocin-

induced uterine contractions in vitro. Metabolite M1 is excreted in milk (see section 4.6). 

 

There is no experience with atosiban treatment in patients with impaired function of the liver or kidneys. 

Renal impairment is not likely to warrant a dose adjustment, since only a small extent of atosiban is excreted 

in the urine. In patients with impaired hepatic function, atosiban should be used with caution (see sections 

4.2 and 4.4). 

 

It is unlikely that atosiban inhibits hepatic cytochrome P450 isoforms in humans (see section 4.5). 

 

5.3 Preclinical safety data 

 
No systemic toxic effects were observed during the two-week intravenous toxicity studies (in rats and dogs) 

at doses which are approximately 10 times higher than the human therapeutic dose, and during the three-

months toxicity studies in rats and dogs (up to 20 mg/kg/day s.c.). The highest atosiban subcutaneous dose 

not producing any adverse effects was approximately two times the therapeutic human dose. 

 

No studies were performed that covered fertility and early embryonic development. Reproduction toxicity 

studies, with dosing from implantation up to late stage pregnancy, showed no effects on mothers and fetuses. 

The exposure of the rat fetus was approximately four times that received by the human fetus during 

intravenous infusions in women. Animal studies have shown inhibition of lactation as expected from the 

inhibition of action of oxytocin. 

 

Atosiban was neither oncogenic nor mutagenic in in vitro and in vivo tests. 

 

 

6. PHARMACEUTICAL PARTICULARS 

 

6.1 List of excipients 

 
Mannitol 

Hydrochloric acid 1M 

Water for injections 

 

6.2 Incompatibilities 

 
In the absence of compatibility studies, this medicinal product must not be mixed with other medicinal 

products except those mentioned in section 6.6. 

 

6.3 Shelf life 

 
4 years. 



15 

Once the vial has been opened, the dilution must be performed immediately. 

Diluted solution for intravenous administration should be used within 24 hours after preparation. 

 

6.4 Special precautions for storage 

 
Store in a refrigerator (2°C - 8°C). 

Store in the original package in order to protect from light. 

For storage conditions after first opening and dilution of the medicinal product, see section 6.3. 

 

6.5 Nature and contents of container  

 
One vial of concentrate for solution for infusion contains 5 ml solution, corresponding to 37.5 mg atosiban. 

Colourless glass vials, clear borosilicated (type I) sealed with grey siliconised bromo-butyl rubber stopper, 

type I, and flip-off cap of polypropylene and aluminium. 

 

6.6 Special precautions for disposal and other handling 

 

The vials should be inspected visually for particulate matter and discoloration prior to administration. 

 

Preparation of the intravenous infusion solution: 

 

For intravenous infusion, following the bolus dose, Tractocile 37.5 mg/5 ml, concentrate for solution for 

infusion should be diluted in one of the following solutions: 

 sodium chloride 9 mg/ml (0.9%) solution for injection  

 Ringer's lactate solution 

 5% w/v glucose solution. 
 

Withdraw 10 ml solution from a 100 ml infusion bag and discard. Replace it by 10 ml Tractocile 

37.5 mg/5 ml concentrate for solution for infusion from two 5 ml vials to obtain a concentration of 75 mg 

atosiban in 100 ml. 

 

The reconstituted product is a clear, colourless solution without particles. 

 

The loading infusion is given by infusing 24 ml/hour (i.e. 18 mg/h) of the above prepared solution over the 

3 hour period under adequate medical supervision in an obstetric unit. After three hours the infusion rate is 

reduced to 8 ml/hour. 

 

Prepare new 100 ml bags in the same way as described to allow the infusion to be continued. 

 

If an infusion bag with a different volume is used, a proportional calculation should be made for the 

preparation. 

 

To achieve accurate dosing, a controlled infusion device is recommended to adjust the rate of flow in 

drops/min. An intravenous microdrip chamber can provide a convenient range of infusion rates within the 

recommended dose levels for Tractocile. 

 

If other medicinal products need to be given intravenously at the same time, the intravenous cannula can be 

shared or another site of intravenous administration can be used. This permits the continued independent 

control of the rate of infusion. 

 

 

7. MARKETING AUTHORISATION HOLDER 

 

Ferring Pharmaceuticals A/S 

Kay Fiskers Plads 11 

2300 København S 



16 

Denmark 

Tel: +45 88 33 88 34 

 

 

8. MARKETING AUTHORISATION NUMBER(S)  

 
EU/1/99/124/002 

 

 

9. DATE OF FIRST AUTHORISATION/RENEWAL OF THE AUTHORISATION 

 
Date of first authorisation: 20 January 2000 

Date of latest renewal: 20 January 2010 

 

 

10. DATE OF REVISION OF THE TEXT 

 

 

Detailed information on this medicinal product is available on the website of the European Medicines 

Agency http://www.ema.europa.eu. 

http://www.ema.europa.eu/


17 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANNEX II 

 

A. MANUFACTURER(S) RESPONSIBLE FOR BATCH RELEASE 

 

B. CONDITIONS OR RESTRICTIONS REGARDING SUPPLY AND 

USE 

 

C. OTHER CONDITIONS AND REQUIREMENTS OF THE 

MARKETING AUTHORISATION 

 

D. CONDITIONS OR RESTRICTIONS WITH REGARD TO THE 

SAFE AND EFFECTIVE USE OF THE MEDICINAL PRODUCT 

 

 

 



18 

A. MANUFACTURER(S) RESPONSIBLE FOR BATCH RELEASE 

 

Name and address of the manufacturer responsible for batch release 

 

Ferring GmbH 

Wittland 11  

D-24109 Kiel 

Germany 

 

 

 

 

B. CONDITIONS OR RESTRICTIONS REGARDING SUPPLY AND USE  

 

Medicinal product subject to restricted medical prescription (see Annex I: Summary of Product 

Characteristics, section 4.2). 

 

 

C.  OTHER CONDITIONS AND REQUIREMENTS OF THE MARKETING AUTHORISATION 

 

 Periodic Safety Update Reports  

 

requirements for submission of periodic safety update reports for this medicinal product are set out in 

the list of Union reference dates (EURD list) provided for under Article 107c(7) of Directive 

2001/83/EC and any subsequent updates  published on the European medicines web-portal. 

 

 

D. CONDITIONS OR RESTRICTIONS WITH REGARD TO THE SAFE AND EFFECTIVE USE 

OF THE MEDICINAL PRODUCT   

 

 Risk Management Plan (RMP) 

 

The MAH shall perform the required pharmacovigilance activities and interventions detailed in the agreed 

RMP presented in Module 1.8.2 of the Marketing Authorisation and any agreed subsequent updates of the 

RMP.  

 

An updated RMP should be submitted:  

 At the request of the European Medicines Agency; 

 Whenever the risk management system is modified, especially as the result of new informationbeing 
received that may lead to a significant change to the benefit/risk profile or as the result ofan 

important (pharmacovigilance or risk minimisation) milestone being reached. 

 



19 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ANNEX III 

 

LABELLING AND PACKAGE LEAFLET 



20 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A. LABELLING 

 



21 

 

PARTICULARS TO APPEAR ON THE OUTER PACKAGING 

 

CARTON 

 

1. NAME OF THE MEDICINAL PRODUCT 

 

Tractocile 6.75 mg/0.9 ml solution for injection 

atosiban 

 

 

2. STATEMENT OF ACTIVE SUBSTANCE(S) 

 
One vial of 0.9 ml contains 6.75 mg of atosiban (as acetate). 

 

 

3. LIST OF EXCIPIENTS 

 

Mannitol, Hydrocloric acid, water for injections 

 

 

4. PHARMACEUTICAL FORM AND CONTENTS 

 
Solution for injection 

(6.75 mg/0.9 ml) 

1 vial 

 

5. METHOD AND ROUTE(S) OF ADMINISTRATION 

 

For intravenous use only. 

Read the package leaflet before use. 

 

 

6. SPECIAL WARNING THAT THE MEDICINAL PRODUCT MUST BE STORED OUT OF 

 THE SIGHT AND REACH OF CHILDREN 

 

Keep out of the sight and reach of children. 

 

 

7. OTHER SPECIAL WARNING(S), IF NECESSARY 

  

 

8. EXPIRY DATE 

 

EXP  

 

 

9. SPECIAL STORAGE CONDITIONS 

 
Store in a refrigerator. 

Store in the original package in order to protect from light. 

Once the vial has been opened, the solution must be used immediately. 

 

 



22 

10. SPECIAL PRECAUTIONS FOR DISPOSAL OF UNUSED MEDICINAL PRODUCTS OR 

 WASTE MATERIALS DERIVED FROM SUCH MEDICINAL PRODUCTS, IF 

 APPROPRIATE 

 

 

11. NAME AND ADDRESS OF THE MARKETING AUTHORISATION HOLDER 

 

Ferring Pharmaceuticals A/S 

Kay Fiskers Plads 11 

2300 København S 

Denmark 

Tel: +45 88 33 88 34 

 

 

12. MARKETING AUTHORISATION NUMBER(S)  

 

EU/1/99/124/001 

 

 

13. BATCH NUMBER 

 

Batch  

 

 

14. GENERAL CLASSIFICATION FOR SUPPLY 

 

Medicinal product subject to medical prescription 

 

 

15. INSTRUCTIONS ON USE 

 

 

16. INFORMATION IN BRAILLE 

 

Justification for not including Braille accepted 
 

 

17. UNIQUE IDENTIFIER – 2D BARCODE 

 

2D barcode carrying the unique identifier included. 

 

 

18. UNIQUE IDENTIFIER - HUMAN READABLE DATA 

 

PC:  

SN:  

NN:  
 

 

 



23 

 

MINIMUM PARTICULARS TO APPEAR ON SMALL IMMEDIATE PACKAGING UNITS 

 

VIAL  

 

 

1. NAME OF THE MEDICINAL PRODUCT AND ROUTE(S) OF ADMINISTRATION 

 
Tractocile 6.75 mg/0.9 ml injection 

atosiban 

IV 

 

 

2. METHOD OF ADMINISTRATION 

 

 

3. EXPIRY DATE 

 

EXP  

 

 

4. BATCH NUMBER 

 
Batch  

 

 

5. CONTENTS BY WEIGHT, BY VOLUME OR BY UNIT 

 
0.9 ml (6.75 mg /0.9 ml) 

 

 

6. OTHER 

 



24 

 

PARTICULARS TO APPEAR ON THE OUTER PACKAGING 

 

CARTON 

 

1. NAME OF THE MEDICINAL PRODUCT 

 

Tractocile 37.5 mg/5 ml concentrate for solution for infusion 

atosiban 

 

 

2. STATEMENT OF ACTIVE SUBSTANCE(S) 

 
One vial of 5 ml contains 37.5 mg of atosiban (as acetate). 

Each ml of solution contains 7.5 mg atosiban. 

 

 

3. LIST OF EXCIPIENTS 

 
Mannitol, Hydrocloric acid, water for injections 

 

 

4. PHARMACEUTICAL FORM AND CONTENTS 

 
Concentrate for solution for infusion 

(7.5 mg/ml) 

Provides 0.75 mg/ml when diluted as recommended. 

1 vial 

 

5. METHOD AND ROUTE(S) OF ADMINISTRATION 

 
For intravenous use only. 

Read the package leaflet before use. 

 

 

6. SPECIAL WARNING THAT THE MEDICINAL PRODUCT MUST BE STORED OUT OF 

 THE SIGHT AND REACH OF CHILDREN 

 

Keep out of the sight and reach of children. 

 

 

7. OTHER SPECIAL WARNING(S), IF NECESSARY 

  

 

8. EXPIRY DATE 

 

EXP  

 

 

9. SPECIAL STORAGE CONDITIONS 

 
Store in a refrigerator. 

Store in the original package on order to protect from light. 

The diluted solution must be used within 24 hours. 



25 

 

 

10. SPECIAL PRECAUTIONS FOR DISPOSAL OF UNUSED MEDICINAL PRODUCTS OR 

 WASTE MATERIALS DERIVED FROM SUCH MEDICINAL PRODUCTS, IF 

 APPROPRIATE 

 

 

11. NAME AND ADDRESS OF THE MARKETING AUTHORISATION HOLDER 

 

Ferring Pharmaceuticals A/S 

Kay Fiskers Plads 11 

2300 København S 

Denmark 

Tel: +45 88 33 88 34 

 

 

12. MARKETING AUTHORISATION NUMBER(S)  

 
EU/1/99/124/002 

 

 

13. BATCH NUMBER 

 
Batch  

 

 

14. GENERAL CLASSIFICATION FOR SUPPLY 

 

Medicinal product subject to medical prescription 

 

 

15. INSTRUCTIONS ON USE 

 

 

16. INFORMATION IN BRAILLE 

 

Justification for not including Braille accepted 

 

 

17. UNIQUE IDENTIFIER – 2D BARCODE 

 

2D barcode carrying the unique identifier included. 

 

 

18. UNIQUE IDENTIFIER - HUMAN READABLE DATA 

 

PC:  

SN:  

NN:  

 

 

 



26 

 

MINIMUM PARTICULARS TO APPEAR ON SMALL IMMEDIATE PACKAGING UNITS 

 

VIAL  

 

 

1. NAME OF THE MEDICINAL PRODUCT AND ROUTE(S) OF ADMINISTRATION 

 
Tractocile 37.5 mg/5 ml sterile concentrate 

atosiban 

IV 

 

 

2. METHOD OF ADMINISTRATION 

 

 

3. EXPIRY DATE 

 

EXP  

 

 

4. BATCH NUMBER 

 
Batch  

 

 

5. CONTENTS BY WEIGHT, BY VOLUME OR BY UNIT 

 
5 ml (7.5 mg/ml) 

 

 

6. OTHER 

 



27 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B. PACKAGE LEAFLET 

 



28 

Package leaflet: Information for the user 

 

Tractocile 6.75 mg/0.9 ml solution for injection 

Atosiban 

 

 

Read all of this leaflet carefully before you are given this medicine because it contains important 

information for you. 
- Keep this leaflet. You may need to read it again.  
- If you have any further questions, ask your doctor, midwife or pharmacist. 

- If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects 

not listed in this leaflet. See section 4. 
 

What is in this leaflet 

 
1. What Tractocile is and what it is used for  

2. What you need to know before you are given Tractocile  

3. How Tractocile will be given  

4. Possible side effects  

5. How to store Tractocile  

6. Contents of the pack and other information 

 

1. What Tractocile is and what it is used for 

 

Tractocile contains atosiban. Tractocile can be used to delay the premature birth of your baby. Tractocile is 

used in pregnant adult women, from week 24 to week 33 of the pregnancy.  

 

Tractocile works by making the contractions in your womb (uterus) less strong. It also makes the 

contractions happen less often. It does this by blocking the effect of a natural hormone in your body called 

“oxytocin” which causes your womb (uterus) to contract. 

 

 

2. What you need to know before you are given Tractocile  

 

Do not use Tractocile: 

- if you are less than 24 weeks pregnant. 

- if you are more than 33 weeks pregnant. 

- if your waters have broken (premature rupture of your membranes) and you have completed 30 weeks 

of your pregnancy or more. 

- if your unborn baby (foetus) has an abnormal heart rate. 

- if you have bleeding from your vagina and your doctor wants your unborn baby to be delivered 

straight away.  

- if you have something called “severe pre-eclampsia” and your doctor wants your unborn baby to be 

delivered straight away. Severe pre-eclampsia is when you have very high blood pressure, fluid 

retention and/or protein in your urine. 

- if you have something called “eclampsia” which is similar to “severe pre-eclampsia” but you would 

also have fits (convulsions). This will mean your unborn baby needs to be delivered straight away. 

- if your unborn baby has died. 

- if you have or could have an infection of your womb (uterus). 

- if your placenta is covering the birth canal. 

- if your placenta is detaching from the wall of your womb. 

- if you or your unborn baby have any other conditions where it would be dangerous to continue with 

your pregnancy. 

- if you are allergic to atosiban or any of the other ingredients of this medicine (listed in section 6).  

 

Do not use Tractocile if any of the above apply to you. If you are not sure, talk to your doctor, midwife or 

pharmacist before you are given Tractocile. 



29 

 

Warnings and precautions  

Talk to your doctor, midwife or pharmacist before you are given Tractocile: 

- if you think your waters might have broken (premature rupture of your membranes). 
- if you have kidney or liver problems. 
- if you are between 24 and 27 weeks pregnant. 
- if you are pregnant with more than one baby. 
- if your contractions start again, treatment with Tractocile can be repeated up to three more times. 
- if your unborn baby is small for the time of your pregnancy. 
- Your womb may be less able to contract after your baby has been born. This may cause bleeding. 
- if you are pregnant with more than one baby and/or are given medicines that can delay the birth of 

your baby, such as medicines used for high blood pressure. This may increase the risk of lung oedema 

(accumulation of fluid in the lungs). 

 

If any of the above apply to you (or you are not sure), talk to your doctor, midwife or pharmacist before you 

are given Tractocile. 

  

Children and adolescents 

Tractocile has not been studied in pregnant women less than 18 years old. 

 

Other medicines and Tractocile 
Tell your doctor, midwife or pharmacist if you are taking, have recently taken or might take any other 

medicines. 

 

Pregnancy and breast-feeding 

If you are pregnant and breast-feeding an earlier child, you should stop breast-feeding while you are given 

Tractocile. 

 

 

3. How Tractocile will be given 

 

Tractocile will be given to you in a hospital by a doctor, nurse or midwife. They will decide how much you 

need. They will also make sure the solution is clear and free from particles. 

 

Tractocile will be given into a vein (intravenously) in three stages: 

- The first injection of 6.75 mg in 0.9 ml will be slowly injected into your vein over one minute. 

- Then a continuous infusion (drip) will be given at a dose of 18 mg per hour for 3 hours. 

- Then another continuous infusion (drip) at a dose of 6 mg per hour will be given for up to 45 hours, or 

until your contractions have stopped. 

Treatment should last no longer than 48 hours in total. 

 

Further treatment with Tractocile can be used if your contractions start again. Treatment with Tractocile can 

be repeated up to three more times. 

 

During treatment with Tractocile, your contractions and your unborn baby’s heart rate may be monitored. 

 

It is recommended that no more than three re-treatments should be used during a pregnancy. 

 

 

4. Possible side effects 
 

Like all medicines, this medicine can cause side effects, although not everybody gets them. 

 

The side effects seen in the mother are generally of a mild severity. There are no known side effects on the 

unborn or new-born baby. 

 

The following side effects may happen with this medicine: 



30 

 

Very common (affects more than 1 in 10 people) 

- feeling sick (nausea) 

 

Common (affects less than 1 in 10 people) 

- headache 

- feeling dizzy 

- hot flushes  

- being sick (vomiting)  

- fast heartbeat 

- Low blood pressure. Signs may include feeling dizzy or light-headed.  

- A reaction at the site where the injection was given 

- high blood sugar 

 

Uncommon (affects less than 1 in 100 people) 

- high temperature (fever) 

- difficulty sleeping (insomnia)  

- itching 

- rash 

 

Rare (affects less than 1 in 1,000 people) 

- Your womb may be less able to contract after your baby has been born. This may cause bleeding. 

- allergic reactions 

 

You may experience shortness of breath or lung oedema (accumulation of fluid in the lungs), particularly if 

you are pregnant with more than one baby and/or are given medicines that can delay the birth of your baby, 

such as medicines used for high blood pressure. 

 

Reporting of side effects 
If you get any side effects, talk to your doctor, midwife or pharmacist. This includes any possible side effects 

not listed in this leaflet. You can also report side effects directly via the national reporting system listed in 

Appendix V. By reporting side effects you can help provide more information on the safety of this medicine. 

 

 

5. How to store Tractocile 

 

Keep this medicine out of the sight and reach of children. 

 

Do not use this medicine after the expiry date which is stated on the label after EXP. The expiry date refers 

to the last day of that month. 

 

Store in a refrigerator (2°C - 8°C). 

 

Store in the original package in order to protect from light. 

 

Once the vial has been opened, the product must be used straight away. 

 

Do not use this medicine if you notice particulate matter and discoloration prior to administration. 

 

 

6. Contents of the pack and other information 

 

What Tractocile contains  

- The active substance is atosiban. 

- Each vial of Tractocile 6.75 mg/0.9 ml solution for injection contains atosiban acetate equivalent to 

6.75 mg of atosiban in 0.9 ml. 

- The other ingredients are mannitol, hydrochloric acid and water for injections. 



31 

 

What Tractocile looks like and contents of the pack 

Tractocile 6.75 mg/0.9 ml solution for injection is a clear, colourless solution without particles. One pack 

contains one vial containing 0.9 ml solution. 

 

Marketing Authorisation Holder and Manufacturer 

Marketing Authorisation Holder: 

Ferring Pharmaceuticals A/S 

Kay Fiskers Plads 11 

2300 København S 

Denmark 

Tel: +45 88 33 88 34 
 

Manufacturer: 

Ferring GmbH 

Wittland 11  

D-24109 Kiel 
Germany 

 

For any information about this medicine, please contact the local representative of the Marketing 

Authorisation Holder: 

 

België/Belgique/Belgien 
Ferring N.V.  

Tel/Tél: +32 53 72 92 00 

ferringnvsa@ferring.be  

 

Lietuva 
CentralPharma Communication UAB 

Tel: +370 5 243 0444 

centralpharma@centralpharma.lt 

 

България 

Аквaxим АД 

Тел: +359 2 807 5022 

aquachim@aquachim.bg 

Luxembourg/Luxemburg 
Ferring N.V. 

Belgique/Belgien 

Tel/Tél: +32 53 72 92 00 

ferringnvsa@ferring.be 

 

Česká republika 
FerringPharmaceuticals CZ s.r.o. 

Tel: +420 234 701 333 

cz1-info@ferring.com  

Magyarország 

Ferring Magyarország Gyógyszerkereskedelmi 

Kft. 
Tel: +36 1 236 3800 

ferring@ferring.hu 

 

Danmark 
Ferring Lægemidler A/S 

Tlf: +45 88 16 88 17 

Malta 

E.J. Busuttil Ltd.  

Tel: +356 21447184  

info@ejbusuttil.com 

 

Deutschland 
Ferring Arzneimittel GmbH  

Tel: +49 431 5852 0 

info-service@ferring.de 

 

Nederland 
Ferring B.V. 

Tel: +31 235680300 

infoNL@ferring.com 

 

Eesti 

CentralPharma Communication OÜ 

Tel: +372 601 5540 

centralpharma@centralpharma.ee 

 

Norge 
Ferring Legemidler AS 

Tlf: +47 22 02 08 80 

mail@oslo.ferring.com 

Ελλάδα 
Ferring Ελλάς ΜΕΠΕ 

Österreich 
Ferring Arzneimittel Ges.m.b.H  

mailto:info@ejbusuttil.com
mailto:centralpharma@centralpharma.ee


32 

Τηλ: +30 210 68 43 449 Tel: +43 1 60 8080 

office@ferring.at 

 

España 

Ferring S.A.U.  

Tel: +34 91 387 70 00 

registros@ferring.com 

Polska 

Ferring Pharmaceuticals Poland Sp. z o.o. 

Tel: +48 22 246 06 80 

ferring@ferring.pl 

 

France 

Ferring S.A.S. 

Tél: +33 1 49 08 67 60 

information.medicale@ferring.com 

Portugal 
Ferring Portuguesa – Produtos Farmacêuticos, 

Sociedade Unipessoal, Lda. 

Tel: +351 21 940 51 90 

geral@ferring.com 

 

Hrvatska 

Clinres farmacija d.o.o. 

Tel: +385 1 2396 900 

 

România 

Ferring Pharmaceuticals Romania SRL 

Tel: +40 356 113 270 

 

Ireland 
Ferring Ireland Ltd.  

Tel: +353 1 4637355 

enquiries.ireland@ferring.com 

 

Slovenija 
SALUS, Veletrgovina, d.o.o.  

Tel: +386 1 5899 179  

regulatory@salus.si  
 

Ísland 

Vistor hf. 

Sími: +354 535 70 00 

Slovenská republika 

Ferring Slovakia s.r.o. 

Tel: +421 2 54 416 010 

SK0-Recepcia@ferring.com 

 

Italia 
Ferring S.p.A. 

Tel: +39 02 640 00 11 

Suomi/Finland 
Ferring Lääkkeet Oy  

Puh/Tel: +358 207 401 440 

info@ferring.fi 

 

Κύπρος 

A. Potamitis Medicare Ltd 

Τηλ: +357 22583333 

a.potamitismedicare@cytanet.com.cy 

 

Sverige 

Ferring Läkemedel AB 

Tel: +46 40 691 69 00 

info@ferring.se 

Latvija 

CentralPharma Communication SIA 

Tālr: +371 674 50497 

centralpharma@centralpharma.lv 

United Kingdom 

Ferring Pharmaceuticals Ltd.  

Tel: +44 844 931 0050 

contact2@ferring.com 

 

 

This leaflet was last revised in . 

 

Detailed information on this medicine is available on the European Medicines Agency web site: 

http://www.ema.europa.eu.  
 

----------------------------------------------------------------------------------------------------------------------------- 

 

The following information is intended for healthcare professionals only: 

 

(See also section 3) 

 

Instructions for use 

Before using Tractocile, the solution should be examined to ensure it is clear and free from particles. 

mailto:a.potamitismedicare@cytanet.com.cy
http://www.ema.europa.eu/


33 

 

Tractocile is given intravenously in three successive stages: 

- The initial intravenous injection of 6.75 mg in 0.9 ml is slowly injected into a vein over one minute. 

- A continuous infusion at a rate of 24 ml/hour is given for 3 hours. 

- A continuous infusion at a rate of 8 ml/hour is given for up to 45 hours, or until the contractions of the 

uterus have subsided. 

 

The total duration of the treatment should be no more than 48 hours. Further treatment cycles of Tractocile 

can be used should contractions recur. It is recommended that no more than three retreatments should be 

used during a pregnancy. 

 
 



34 

Package leaflet: Information for the user 

 

Tractocile 37.5 mg/5 ml concentrate for solution for infusion 

Atosiban 

 

 

Read all of this leaflet carefully before you are given this medicine because it contains important 

information for you. 
- Keep this leaflet. You may need to read it again.  
- If you have any further questions, ask your doctor, midwife or pharmacist. 

- If you get any side effects, talk to your doctor or pharmacist. This includes any possible side effects 

not listed in this leaflet. See section 4. 
 

What is in this leaflet 

 
1. What Tractocile is and what it is used for  

2. What you need to know before you are given Tractocile  

3. How Tractocile will be given  

4. Possible side effects  

5. How to store Tractocile  

6. Contents of the pack and other information 

 

1. What Tractocile is and what it is used for 

 

Tractocile contains atosiban. Tractocile can be used to delay the premature birth of your baby. Tractocile is 

used in pregnant adult women, from week 24 to week 33 of the pregnancy.  

 

Tractocile works by making the contractions in your womb (uterus) less strong. It also makes the 

contractions happen less often. It does this by blocking the effect of a natural hormone in your body called 

“oxytocin” which causes your womb (uterus) to contract. 

 

 

2. What you need to know before you are given Tractocile  

 

Do not use Tractocile: 

- if you are less than 24 weeks pregnant. 

- if you are more than 33 weeks pregnant. 

- if your waters have broken (premature rupture of your membranes) and you have completed 30 weeks 

of your pregnancy or more. 

- if your unborn baby (foetus) has an abnormal heart rate. 

- if you have bleeding from your vagina and your doctor wants your unborn baby to be delivered 

straight away.  

- if you have something called “severe pre-eclampsia” and your doctor wants your unborn baby to be 

delivered straight away. Severe pre-eclampsia is when you have very high blood pressure, fluid 

retention and/or protein in your urine. 

- if you have something called “eclampsia” which is similar to “severe pre-eclampsia” but you would 

also have fits (convulsions). This will mean your unborn baby needs to be delivered straight away. 

- if your unborn baby has died. 

- if you have or could have an infection of your womb (uterus). 

- if your placenta is covering the birth canal. 

- if your placenta is detaching from the wall of your womb. 

- if you or your unborn baby have any other conditions where it would be dangerous to continue with 

your pregnancy. 

- if you are allergic to atosiban or any of the other ingredients of this medicine (listed in section 6).  

 

Do not use Tractocile if any of the above apply to you. If you are not sure, talk to your doctor, midwife or 

pharmacist before you are given Tractocile. 



35 

 

Warnings and precautions  

Talk to your doctor, midwife or pharmacist before you are given Tractocile: 

- if you think your waters might have broken (premature rupture of your membranes). 
- if you have kidney or liver problems. 
- if you are between 24 and 27 weeks pregnant. 
- if you are pregnant with more than one baby. 
- if your contractions start again, treatment with Tractocile can be repeated up to three more times. 
- if your unborn baby is small for the time of your pregnancy. 
- Your womb may be less able to contract after your baby has been born. This may cause bleeding. 
- if you are pregnant with more than one baby and/or are given medicines that can delay the birth of 

your baby, such as medicines used for high blood pressure. This may increase the risk of lung oedema 

(accumulation of fluid in the lungs). 

 

If any of the above apply to you (or you are not sure), talk to your doctor, midwife or pharmacist before you 

are given Tractocile. 

 

Children and adolescents 

Tractocile has not been studied in pregnant women less than 18 years old. 

 

Other medicines and Tractocile 
Tell your doctor, midwife or pharmacist if you are taking, have recently taken or might take any other 

medicines. 

 

Pregnancy and breast-feeding 

If you are pregnant and breast-feeding an earlier child, you should stop breast-feeding while you are given 

Tractocile. 

 

 

3. How Tractocile will be given 

 

Tractocile will be given to you in a hospital by a doctor, nurse or midwife. They will decide how much you 

need. They will also make sure the solution is clear and free from particles. 

Tractocile will be given into a vein (intravenously) in three stages: 

- The first injection of 6.75 mg in 0.9 ml will be slowly injected into your vein over one minute. 

- Then a continuous infusion (drip) will be given at a dose of 18 mg per hour for 3 hours. 

- Then another continuous infusion (drip) at a dose of 6 mg per hour will be given for up to 45 hours, or 

until your contractions have stopped. 

Treatment should last no longer than 48 hours in total. 

Further treatment with Tractocile can be used if your contractions start again. Treatment with Tractocile can 

be repeated up to three more times. 

During treatment with Tractocile, your contractions and your unborn baby’s heart rate may be monitored. 

It is recommended that no more than three re-treatments should be used during a pregnancy. 

 

 

4. Possible side effects 
 

Like all medicines, this medicine can cause side effects, although not everybody gets them. 

 

The side effects seen in the mother are generally of a mild severity. There are no known side effects on the 

unborn or new-born baby. 

 

The following side effects may happen with this medicine: 

Very common (affects more than 1 in 10 people) 

- feeling sick (nausea) 



36 

 

Common (affects less than 1 in 10 people) 

- headache 

- feeling dizzy 

- hot flushes 

- being sick (vomiting) 

- fast heartbeat 

- Low blood pressure. Signs may include feeling dizzy or light-headed.  

- A reaction at the site where the injection was given. 

- high blood sugar 

 

Uncommon (affects less than 1 in 100 people) 

- high temperature (fever) 

- difficulty sleeping (insomnia) 

- itching 

- rash 

 

Rare (affects less than 1 in 1,000 people) 

- Your womb may be less able to contract after your baby has been born. This may cause bleeding. 

- allergic reactions 

 

You may experience shortness of breath or lung oedema (accumulation of fluid in the lungs), particularly if 

you are pregnant with more than one baby and/or are given medicines that can delay the birth of your baby, 

such as medicines used for high blood pressure. 

 

Reporting of side effects 
If you get any side effects, talk to your doctor, midwife or pharmacist. This includes any possible side effects 

not listed in this leaflet. You can also report side effects directly via the national reporting system listed in 

Appendix V. By reporting side effects you can help provide more information on the safety of this medicine. 

 

 

5. How to store Tractocile 

 

Keep this medicine out of the sight and reach of children. 

 

Do not use this medicine after the expiry date which is stated on the label after EXP. The expiry date refers 

to the last day of that month. 

 

Store in a refrigerator (2°C - 8°C). 

 

Store in the original package in order to protect from light. 

 

Dilutions for intravenous administration must be used within 24 hours after preparation. 

 

Do not use this medicine if you notice particulate matter and discoloration prior to administration. 

 

 

6. Contents of the pack and other information 

 

What Tractocile contains  

- The active substance is atosiban. 

- Each vial of Tractocile 37.5 mg/5 ml concentrate for solution for infusion contains atosiban acetate 

equivalent to 37.5 mg of atosiban in 5 ml. 

- The other ingredients are mannitol, hydrochloric acid and water for injections. 

 

What Tractocile looks like and contents of the pack 



37 

Tractocile 37.5 mg/5 ml concentrate for solution for infusion is a clear, colourless solution without particles. 

One pack contains one vial containing 5 ml solution. 

 

Marketing Authorisation Holder and Manufacturer 

Marketing Authorisation Holder: 

Ferring Pharmaceuticals A/S 

Kay Fiskers Plads 11 

2300 København S 

Denmark 

Tel: +45 88 33 88 34 

 

Manufacturer: 

Ferring GmbH 

Wittland 11  

D-24109 Kiel 
Germany 

 

For any information about this medicine, please contact the local representative of the Marketing 

Authorisation Holder: 

 

België/Belgique/Belgien 
Ferring N.V.  

Tel/Tél: +32 53 72 92 00 

ferringnvsa@ferring.be  

Lietuva 
CentralPharma Communication UAB 

Tel.: +370 5 243 0444 

centralpharma@centralpharma.lt 

 

България 

Аквaxим АД 

Тел: +359 2 807 5022 

aquachim@aquachim.bg 

 

Luxembourg/Luxemburg 
Ferring N.V. 

Belgique/Belgien 

Tel/Tél: +32 53 72 92 00 

ferringnvsa@ferring.be 

 

Česká republika 
Ferring Pharmaceuticals CZ s.r.o. 

Tel: +420 234 701 333 

cz1-info@ferring.com  

Magyarország 

Ferring Magyarország Gyógyszerkereskedelmi 

Kft. 

Tel: +36 1 236 3800 

ferring@ferring.hu 

Danmark 
Ferring Lægemidler A/S 

Tlf: +45 88 16 88 17 

Malta 

E.J. Busuttil Ltd.  

Tel: +356 21447184  

info@ejbusuttil.com 

 

Deutschland 
Ferring Arzneimittel GmbH  

Tel: +49 431 5852 0 

info-service@ferring.de 

 

Nederland 
Ferring B.V. 

Tel: +31 235680300 

infoNL@ferring.com 

 

Eesti 

CentralPharma Communication OÜ  

Tel: +372 601 5540 

centralpharma@centralpharma.ee 

 

Norge 
Ferring Legemidler AS 

Tlf: +47 22 02 08 80 

mail@oslo.ferring.com 

Ελλάδα 
Ferring Ελλάς  ΜΕΠΕ 

Τηλ. +30 210 68 43 449 

Österreich 
Ferring Arzneimittel Ges.m.b.H  

Tel: +43 1 60 8080 

office@ferring.at 

mailto:centralpharma@centralpharma.lt


38 

 

España 

Ferring S.A.U.  

Tel: +34 91 387 70 00 

registros@ferring.com 

 

Polska 

Ferring Pharmaceuticals Poland Sp. z o.o. 

Tel: +48 22 246 06 80 

ferring@ferring.pl 

 

France 

Ferring S.A.S. 

Tél: +33 1 49 08 67 60 

information.medicale@ferring.com 

Portugal 
Ferring Portuguesa – Produtos Farmacêuticos, 

Sociedade Unipessoal, Lda. 

Tel: +351 21 940 51 90 

geral@ferring.com 

 

Hrvatska 

Clinres farmacija d.o.o. 

Tel: +385 1 2396 900 

 

România 

Ferring Pharmaceuticals Romania SRL 

Tel: +40 356 113 270 

 

Ireland 
Ferring Ireland Ltd.  

Tel: +353 1 4637355 

enquiries.ireland@ferring.com 

 

Slovenija 
SALUS, Veletrgovina, d.o.o.  

Tel: +386 1 5899 179  

regulatory@salus.si  

Ísland 

Vistor hf. 

Sími: +354 535 70 00 

Slovenská republika 

Ferring Slovakia s.r.o. 

Tel: +421 2 54 416 010 

SK0-Recepcia@ferring.com 

 

Italia 
Ferring S.p.A. 

Tel: +39 02 640 00 11 

Suomi/Finland 
Ferring Lääkkeet Oy  

Puh/Tel: +358 207 401 440 

info@ferring.fi 

 

Κύπρος 

A. Potamitis Medicare Ltd 

Τηλ: +357 22583333 

a.potamitismedicare@cytanet.com.cy 

 

Sverige 

Ferring Läkemedel AB 

Tel: +46 40 691 69 00 

info@ferring.se 

Latvija 

CentralPharma Communication SIA 

Tālr: +371 674 50497 

centralpharma@centralpharma.lv 

United Kingdom 

Ferring Pharmaceuticals Ltd.  

Tel: +44 844 931 0050 

contact2@ferring.com 

 

 

This leaflet was last revised in . 

 

Detailed information on this medicine is available on the European Medicines Agency web site: 

http://www.ema.europa.eu.  
 

----------------------------------------------------------------------------------------------------------------------------- 

 

The following information is intended for healthcare professionals only: 

 

(See also section 3) 

 

Instructions for use 

Before using Tractocile, the solution should be examined to ensure it is clear and free from particles. 

 

Tractocile is given intravenously in three successive stages: 

mailto:a.potamitismedicare@cytanet.com.cy
http://www.ema.europa.eu/


39 

- The initial intravenous injection of 6.75 mg in 0.9 ml is slowly injected into a vein over one minute. 

- A continuous infusion at a rate of 24 ml/hour is given for 3 hours. 

- A continuous infusion at a rate of 8 ml/hour is given for up to 45 hours, or until the contractions of the 

uterus have subsided. 

 

The total duration of the treatment should be no more than 48 hours. Further treatment cycles of Tractocile 

can be used should contractions recur. It is recommended that no more than three retreatments should be 

used during a pregnancy. 

 

Preparation of the intravenous infusion 

The intravenous infusion is prepared by diluting Tractocile 37.5 mg/5 ml, concentrate for solution for 

infusion in sodium chloride 9 mg/ml (0.9%) solution for injection, Ringer's lactate solution or 5% w/v 

glucose solution. This is done by removing 10 ml of solution from a 100 ml infusion bag and replacing it 

with 10 ml Tractocile 37.5 mg/5 ml concentrate for solution for infusion from two 5 ml vials to obtain a 

concentration of 75 mg atosiban in 100 ml. If an infusion bag with a different volume is used, a proportional 

calculation should be made for the preparation. 

Tractocile should not be mixed with other medicinal products in the infusion bag. 

 

 


	SUMMARY OF PRODUCT CHARACTERISTICS
	A. MANUFACTURER(S) RESPONSIBLE FOR BATCH RELEASE
	B. CONDITIONS OR RESTRICTIONS REGARDING SUPPLY AND USE
	C.  OTHER CONDITIONS AND REQUIREMENTS OF THE MARKETING AUTHORISATION
	D. CONDITIONS OR RESTRICTIONS WITH REGARD TO THE SAFE AND EFFECTIVE USE OF THE MEDICINAL PRODUCT
	A. LABELLING
	B. PACKAGE LEAFLET
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{'Title': '2. what you need to know before you are given tractocile', 'Section_Content': 'do not use tractocile: - if you are less than 24 weeks pregnant. - if you are more than 33 weeks pregnant. - if your waters have broken (premature rupture of your membranes) and you have completed 30 weeks of your pregnancy or more. - if your unborn baby (foetus) has an abnormal heart rate. - if you have bleeding from your vagina and your doctor wants your unborn baby to be delivered straight away. - if you have something called "severe pre-eclampsia" and your doctor wants your unborn baby to be delivered straight away. severe pre-eclampsia is when you have very high blood pressure, fluid retention and/or protein in your urine. - if you have something called "eclampsia" which is similar to "severe pre-eclampsia" but you would also have fits (convulsions). this will mean your unborn baby needs to be delivered straight away. - if your unborn baby has died. - if you have or could have an infection of your womb (uterus). - if your placenta is covering the birth canal. - if your placenta is detaching from the wall of your womb. - if you or your unborn baby have any other conditions where it would be dangerous to continue with your pregnancy. - if you are allergic to atosiban or any of the other ingredients of this medicine (listed in section 6). do not use tractocile if any of the above apply to you. if you are not sure, talk to your doctor, midwife or pharmacist before you are given tractocile. warnings and precautions talk to your doctor, midwife or pharmacist before you are given tractocile: - if you think your waters might have broken (premature rupture of your membranes). - if you have kidney or liver problems. - if you are between 24 and 27 weeks pregnant. - if you are pregnant with more than one baby. - if your contractions start again, treatment with tractocile can be repeated up to three more times. - if your unborn baby is small for the time of your pregnancy. - your womb may be less able to contract after your baby has been born. this may cause bleeding. - if you are pregnant with more than one baby and/or are given medicines that can delay the birth of your baby, such as medicines used for high blood pressure. this may increase the risk of lung oedema (accumulation of fluid in the lungs). if any of the above apply to you (or you are not sure), talk to your doctor, midwife or pharmacist before you are given tractocile. children and adolescents tractocile has not been studied in pregnant women less than 18 years old. other medicines and tractocile tell your doctor, midwife or pharmacist if you are taking, have recently taken or might take any other medicines. pregnancy and breast-feeding if you are pregnant and breast-feeding an earlier child, you should stop breast-feeding while you are given tractocile.', 'Entity_Recognition': [{'Text': 'tractocile', 'Type': 'PRODUCT_NAME', 'BeginOffset': 0, 'EndOffset': 0}, {'Id': 35, 'BeginOffset': 36, 'EndOffset': 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'PROBLEM', 'BeginOffset': 936, 'EndOffset': 949}, {'Text': 'your placenta', 'Type': 'PROBLEM', 'BeginOffset': 984, 'EndOffset': 997}, {'Text': 'any other conditions', 'Type': 'PROBLEM', 'BeginOffset': 1073, 'EndOffset': 1093}, {'Text': 'your pregnancy', 'Type': 'PROBLEM', 'BeginOffset': 1139, 'EndOffset': 1153}, {'Text': 'allergic', 'Type': 'PROBLEM', 'BeginOffset': 1168, 'EndOffset': 1176}, {'Text': 'atosiban', 'Type': 'TREATMENT', 'BeginOffset': 1180, 'EndOffset': 1188}, {'Text': 'this medicine', 'Type': 'TREATMENT', 'BeginOffset': 1224, 'EndOffset': 1237}, {'Text': 'tractocile', 'Type': 'TREATMENT', 'BeginOffset': 1272, 'EndOffset': 1282}, {'Text': 'tractocile', 'Type': 'TREATMENT', 'BeginOffset': 1402, 'EndOffset': 1412}, {'Text': 'your waters', 'Type': 'PROBLEM', 'BeginOffset': 1530, 'EndOffset': 1541}, {'Text': 'broken (premature rupture of your membranes', 'Type': 'PROBLEM', 'BeginOffset': 1553, 'EndOffset': 1596}, {'Id': 29, 'BeginOffset': 1613, 'EndOffset': 1637, 'Score': 0.7258273959159851, 'Text': 'kidney or liver problems', 'Category': 'MEDICAL_CONDITION', 'Type': 'DX_NAME', 'Traits': [{'Name': 'SYMPTOM', 'Score': 0.850654125213623}]}, {'Id': 8, 'BeginOffset': 1623, 'EndOffset': 1628, 'Score': 0.9932476282119751, 'Text': 'liver', 'Category': 'ANATOMY', 'Type': 'SYSTEM_ORGAN_SITE', 'Traits': []}, {'Id': 38, 'BeginOffset': 1660, 'EndOffset': 1675, 'Score': 0.6715443134307861, 'Text': '24 and 27 weeks', 'Category': 'TIME_EXPRESSION', 'Type': 'TIME_TO_DX_NAME', 'Traits': [], 'Attributes': [{'Type': 'DX_NAME', 'Score': 0.9930241107940674, 'RelationshipScore': 0.8213981986045837, 'RelationshipType': 'OVERLAP', 'Id': 30, 'BeginOffset': 1676, 'EndOffset': 1684, 'Text': 'pregnant', 'Category': 'MEDICAL_CONDITION', 'Traits': [{'Name': 'DIAGNOSIS', 'Score': 0.951698362827301}]}]}, {'Text': '27', 'Type': 'NUMBER', 'BeginOffset': 1667, 'EndOffset': 1669}, {'Id': 30, 'BeginOffset': 1676, 'EndOffset': 1684, 'Score': 0.9930241107940674, 'Text': 'pregnant', 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{'Title': '3. how tractocile will be given', 'Section_Content': "tractocile will be given to you in a hospital by a doctor, nurse or midwife. they will decide how much you need. they will also make sure the solution is clear and free from particles. tractocile will be given into a vein (intravenously) in three stages: - the first injection of 6.75 mg in 0.9 ml will be slowly injected into your vein over one minute. - then a continuous infusion (drip) will be given at a dose of 18 mg per hour for 3 hours. - then another continuous infusion (drip) at a dose of 6 mg per hour will be given for up to 45 hours, or until your contractions have stopped. treatment should last no longer than 48 hours in total. further treatment with tractocile can be used if your contractions start again. treatment with tractocile can be repeated up to three more times. during treatment with tractocile, your contractions and your unborn baby's heart rate may be monitored. it is recommended that no more than three re-treatments should be used during a pregnancy.", 'Entity_Recognition': [{'Text': 'tractocile', 'Type': 'PRODUCT_NAME', 'BeginOffset': 0, 'EndOffset': 0}, {'Text': 'tractocile', 'Type': 'TREATMENT', 'BeginOffset': 0, 'EndOffset': 10}, {'Text': 'tractocile', 'Type': 'TREATMENT', 'BeginOffset': 185, 'EndOffset': 195}, {'Id': 0, 'BeginOffset': 217, 'EndOffset': 221, 'Score': 0.5706875324249268, 'Text': 'vein', 'Category': 'ANATOMY', 'Type': 'SYSTEM_ORGAN_SITE', 'Traits': []}, {'Text': '6.75', 'Type': 'NUMBER', 'BeginOffset': 280, 'EndOffset': 284}, {'Text': '0.9', 'Type': 'NUMBER', 'BeginOffset': 291, 'EndOffset': 294}, {'Id': 1, 'BeginOffset': 332, 'EndOffset': 336, 'Score': 0.8849096298217773, 'Text': 'vein', 'Category': 'ANATOMY', 'Type': 'SYSTEM_ORGAN_SITE', 'Traits': []}, {'Text': 'a continuous infusion (drip', 'Type': 'TREATMENT', 'BeginOffset': 361, 'EndOffset': 388}, {'Text': '18', 'Type': 'NUMBER', 'BeginOffset': 417, 'EndOffset': 419}, {'Text': '3', 'Type': 'NUMBER', 'BeginOffset': 436, 'EndOffset': 437}, {'Text': 'another continuous infusion (drip', 'Type': 'TREATMENT', 'BeginOffset': 452, 'EndOffset': 485}, {'Text': '6', 'Type': 'NUMBER', 'BeginOffset': 500, 'EndOffset': 501}, {'Text': '45', 'Type': 'NUMBER', 'BeginOffset': 538, 'EndOffset': 540}, {'Id': 12, 'BeginOffset': 562, 'EndOffset': 574, 'Score': 0.7994681000709534, 'Text': 'contractions', 'Category': 'MEDICAL_CONDITION', 'Type': 'DX_NAME', 'Traits': []}, {'Text': 'treatment', 'Type': 'TREATMENT', 'BeginOffset': 589, 'EndOffset': 598}, {'Text': '48', 'Type': 'NUMBER', 'BeginOffset': 626, 'EndOffset': 628}, {'Text': 'further treatment', 'Type': 'TREATMENT', 'BeginOffset': 645, 'EndOffset': 662}, {'Text': 'tractocile', 'Type': 'TREATMENT', 'BeginOffset': 668, 'EndOffset': 678}, {'Text': 'your contractions', 'Type': 'PROBLEM', 'BeginOffset': 694, 'EndOffset': 711}, {'Text': 'treatment', 'Type': 'TREATMENT', 'BeginOffset': 725, 'EndOffset': 734}, {'Text': 'tractocile', 'Type': 'TREATMENT', 'BeginOffset': 740, 'EndOffset': 750}, {'Text': 'treatment', 'Type': 'TREATMENT', 'BeginOffset': 798, 'EndOffset': 807}, {'Text': 'tractocile', 'Type': 'TREATMENT', 'BeginOffset': 813, 'EndOffset': 823}, {'Text': 'your contractions', 'Type': 'PROBLEM', 'BeginOffset': 825, 'EndOffset': 842}, {'Text': "your unborn baby's heart rate", 'Type': 'TEST', 'BeginOffset': 847, 'EndOffset': 876}, {'Text': 'three re-treatments', 'Type': 'TREATMENT', 'BeginOffset': 931, 'EndOffset': 950}, {'Id': 15, 'BeginOffset': 975, 'EndOffset': 984, 'Score': 0.9631496667861938, 'Text': 'pregnancy', 'Category': 'MEDICAL_CONDITION', 'Type': 'DX_NAME', 'Traits': [{'Name': 'DIAGNOSIS', 'Score': 0.9234472513198853}]}]}
{'Title': '4. possible side effects', 'Section_Content': 'like all medicines, this medicine can cause side effects, although not everybody gets them. the side effects seen in the mother are generally of a mild severity. there are no known side effects on the unborn or new-born baby. the following side effects may happen with this medicine: 30 very common (affects more than 1 in 10 people) - feeling sick (nausea) common (affects less than 1 in 10 people) - headache - feeling dizzy - hot flushes - being sick (vomiting) - fast heartbeat - low blood pressure. signs may include feeling dizzy or light-headed. - a reaction at the site where the injection was given - high blood sugar uncommon (affects less than 1 in 100 people) - high temperature (fever) - difficulty sleeping (insomnia) - itching - rash rare (affects less than 1 in 1,000 people) - your womb may be less able to contract after your baby has been born. this may cause bleeding. - allergic reactions you may experience shortness of breath or lung oedema (accumulation of fluid in the lungs), particularly if you are pregnant with more than one baby and/or are given medicines that can delay the birth of your baby, such as medicines used for high blood pressure. reporting of side effects if you get any side effects, talk to your doctor, midwife or pharmacist. this includes any possible side effects not listed in this leaflet. you can also report side effects directly via the national reporting system listed in appendix v. by reporting side effects you can help provide more information on the safety of this medicine.', 'Entity_Recognition': [{'Text': 'tractocile', 'Type': 'PRODUCT_NAME', 'BeginOffset': 0, 'EndOffset': 0}, {'Text': 'all medicines', 'Type': 'TREATMENT', 'BeginOffset': 5, 'EndOffset': 18}, {'Text': 'this medicine', 'Type': 'TREATMENT', 'BeginOffset': 20, 'EndOffset': 33}, {'Id': 3, 'BeginOffset': 44, 'EndOffset': 56, 'Score': 0.9674357175827026, 'Text': 'side effects', 'Category': 'MEDICAL_CONDITION', 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{'Title': '5. how to store tractocile', 'Section_Content': 'keep this medicine out of the sight and reach of children. do not use this medicine after the expiry date which is stated on the label after exp. the expiry date refers to the last day of that month. store in a refrigerator (2 - 8). store in the original package in order to protect from light. once the vial has been opened, the product must be used straight away. do not use this medicine if you notice particulate matter and discoloration prior to administration.', 'Entity_Recognition': [{'Text': 'tractocile', 'Type': 'PRODUCT_NAME', 'BeginOffset': 0, 'EndOffset': 0}, {'Text': 'this medicine', 'Type': 'TREATMENT', 'BeginOffset': 70, 'EndOffset': 83}, {'Text': 'this medicine', 'Type': 'TREATMENT', 'BeginOffset': 377, 'EndOffset': 390}, {'Text': 'particulate matter', 'Type': 'PROBLEM', 'BeginOffset': 405, 'EndOffset': 423}, {'Text': 'discoloration', 'Type': 'PROBLEM', 'BeginOffset': 428, 'EndOffset': 441}]}
{'Title': '6. contents of the pack and other information', 'Section_Content': 'what tractocile contains - the active substance is atosiban. - each vial of tractocile 6.75 mg/0.9 ml solution for injection contains atosiban acetate equivalent to 6.75 mg of atosiban in 0.9 ml. - the other ingredients are mannitol, hydrochloric acid and water for injections. what tractocile looks like and contents of the pack tractocile 6.75 mg/0.9 ml solution for injection is a clear, colourless solution without particles. one pack contains one vial containing 0.9 ml solution.', 'Entity_Recognition': [{'Text': 'tractocile', 'Type': 'PRODUCT_NAME', 'BeginOffset': 0, 'EndOffset': 0}, {'Id': 0, 'BeginOffset': 76, 'EndOffset': 86, 'Score': 0.8031971454620361, 'Text': 'tractocile', 'Category': 'MEDICATION', 'Type': 'GENERIC_NAME', 'Traits': [], 'Attributes': [{'Type': 'STRENGTH', 'Score': 0.9098777770996094, 'RelationshipScore': 0.9969964027404785, 'RelationshipType': 'STRENGTH', 'Id': 1, 'BeginOffset': 87, 'EndOffset': 101, 'Text': '6.75 mg/0.9 ml', 'Category': 'MEDICATION', 'Traits': []}, {'Type': 'FORM', 'Score': 0.9872135519981384, 'RelationshipScore': 0.9803735017776489, 'RelationshipType': 'FORM', 'Id': 2, 'BeginOffset': 102, 'EndOffset': 110, 'Text': 'solution', 'Category': 'MEDICATION', 'Traits': []}, {'Type': 'ROUTE_OR_MODE', 'Score': 0.6932072043418884, 'RelationshipScore': 0.8150970339775085, 'RelationshipType': 'ROUTE_OR_MODE', 'Id': 3, 'BeginOffset': 115, 'EndOffset': 124, 'Text': 'injection', 'Category': 'MEDICATION', 'Traits': []}]}, {'Text': '6.75', 'Type': 'NUMBER', 'BeginOffset': 87, 'EndOffset': 91}, {'Text': '0.9', 'Type': 'NUMBER', 'BeginOffset': 95, 'EndOffset': 98}, {'Id': 4, 'BeginOffset': 134, 'EndOffset': 150, 'Score': 0.9477904438972473, 'Text': 'atosiban acetate', 'Category': 'MEDICATION', 'Type': 'GENERIC_NAME', 'Traits': [], 'Attributes': [{'Type': 'DOSAGE', 'Score': 0.9024239182472229, 'RelationshipScore': 0.895707905292511, 'RelationshipType': 'DOSAGE', 'Id': 5, 'BeginOffset': 165, 'EndOffset': 172, 'Text': '6.75 mg', 'Category': 'MEDICATION', 'Traits': []}, {'Type': 'DOSAGE', 'Score': 0.5637282133102417, 'RelationshipScore': 0.9696000218391418, 'RelationshipType': 'DOSAGE', 'Id': 7, 'BeginOffset': 188, 'EndOffset': 195, 'Text': '0.9 ml.', 'Category': 'MEDICATION', 'Traits': []}]}, {'Text': '6.75', 'Type': 'NUMBER', 'BeginOffset': 165, 'EndOffset': 169}, {'Id': 6, 'BeginOffset': 176, 'EndOffset': 184, 'Score': 0.3146589994430542, 'Text': 'atosiban', 'Category': 'MEDICATION', 'Type': 'GENERIC_NAME', 'Traits': [], 'Attributes': [{'Type': 'DOSAGE', 'Score': 0.9024239182472229, 'RelationshipScore': 0.9999463558197021, 'RelationshipType': 'DOSAGE', 'Id': 5, 'BeginOffset': 165, 'EndOffset': 172, 'Text': '6.75 mg', 'Category': 'MEDICATION', 'Traits': []}, {'Type': 'DOSAGE', 'Score': 0.5637282133102417, 'RelationshipScore': 0.9225728511810303, 'RelationshipType': 'DOSAGE', 'Id': 7, 'BeginOffset': 188, 'EndOffset': 195, 'Text': '0.9 ml.', 'Category': 'MEDICATION', 'Traits': []}]}, {'Text': '0.9', 'Type': 'NUMBER', 'BeginOffset': 188, 'EndOffset': 191}, {'Id': 8, 'BeginOffset': 224, 'EndOffset': 232, 'Score': 0.8293247818946838, 'Text': 'mannitol', 'Category': 'MEDICATION', 'Type': 'GENERIC_NAME', 'Traits': [], 'Attributes': [{'Type': 'ROUTE_OR_MODE', 'Score': 0.37202832102775574, 'RelationshipScore': 0.7802228927612305, 'RelationshipType': 'ROUTE_OR_MODE', 'Id': 10, 'BeginOffset': 266, 'EndOffset': 276, 'Text': 'injections', 'Category': 'MEDICATION', 'Traits': []}]}, {'Id': 9, 'BeginOffset': 234, 'EndOffset': 251, 'Score': 0.9938052892684937, 'Text': 'hydrochloric acid', 'Category': 'MEDICATION', 'Type': 'GENERIC_NAME', 'Traits': [], 'Attributes': [{'Type': 'ROUTE_OR_MODE', 'Score': 0.37202832102775574, 'RelationshipScore': 0.9999434947967529, 'RelationshipType': 'ROUTE_OR_MODE', 'Id': 10, 'BeginOffset': 266, 'EndOffset': 276, 'Text': 'injections', 'Category': 'MEDICATION', 'Traits': []}]}, {'Text': 'injections', 'Type': 'TREATMENT', 'BeginOffset': 266, 'EndOffset': 276}, {'Text': 'the pack tractocile', 'Type': 'TREATMENT', 'BeginOffset': 321, 'EndOffset': 340}, {'Text': '6.75', 'Type': 'NUMBER', 'BeginOffset': 341, 'EndOffset': 345}, {'Text': '0.9', 'Type': 'NUMBER', 'BeginOffset': 349, 'EndOffset': 352}, {'Text': '0.9', 'Type': 'NUMBER', 'BeginOffset': 468, 'EndOffset': 471}]}