## Protocol Section
### Identification Module
**NCT ID:** NCT00322179

**Brief Title:** Microarray Analysis of IFN-Induced Gene Expression in Obese and Non-Obese Patients With Chronic Hepatitis C

**Official Title:** Microarray Analysis of IFN-Induced Gene Expression in Obese and Non-Obese Patients With Chronic Hepatitis C

#### Organization Study ID Info
**ID:** CHR0036ARG
#### Organization
**Class:** OTHER
**Full Name:** Palo Alto Veterans Institute for Research
#### Secondary ID Infos
**ID:** PEG215
### Status Module
#### Completion Date
**Date:** 2008-11

**Type:** ACTUAL

#### Expanded Access Info
#### Last Update Post Date
**Date:** 2020-03-04

**Type:** ACTUAL

**Last Update Submit Date:** 2020-03-02

**Overall Status:** COMPLETED

#### Primary Completion Date
**Date:** 2007-11

**Type:** ACTUAL

#### Start Date
**Date:** 2005-11

**Status Verified Date:** 2020-03

#### Study First Post Date
**Date:** 2006-05-05
**Type:** ESTIMATED
**Study First Submit Date:** 2006-05-04
**Study First Submit QC Date:** 2006-05-04
### Sponsor Collaborators Module

#### Collaborators

**Class:** INDUSTRY

**Name:** Hoffmann-La Roche

#### Lead Sponsor

**Class:** OTHER

**Name:** Palo Alto Veterans Institute for Research

#### Responsible Party

**Investigator Affiliation:** Palo Alto Veterans Institute for Research

**Investigator Full Name:** Ramsey Cheung

**Investigator Title:** Principal Investigator

**Type:** PRINCIPAL_INVESTIGATOR

### Description Module

**Brief Summary:** The response rate to interferon-based anti-viral therapy for chronic hepatitis C is lower in patients who are obese. However, it is not clear whether this is related to suboptimal dosing of the medication or alterated response in obese patients. Alterated immune response had been reported in obese patients. The goal of current study is to determine the immune response to interferon in obese compared to non-obese chronic hepatitis C in an tissue culture system.

**Detailed Description:** To examine our hypothesis, we will incubate PBMC samples from obese and nonobese patients with IFN, followed by microarray analysis to compare the IFN response patterns in both groups of patients and to identify genes differentially regulated between these two groups. Identification of such genes will provide important insight to the mechanism of the antiviral effect of HCV. The identified genes will have the potential of serving as targets for pharmaceutical intervention aiming at enhancing the efficacy of IFN therapy for obese patients.

This is an open-label study. Ten obese and 10 nonobese patients with chronic hepatitis C will be recruited. For the purpose of this study, obese is defined as body weight \>85 kg and BMI \>30, and nonobese as body weight \<75 kg and BMI\<25.

### Conditions Module

**Conditions:**

- Chronic Hepatitis C

- Obesity

**Keywords:**

- Microarray Analysis

- Obesity

- Chronic Hepatitis C

### Design Module

#### Design Info

**Observational Model:** OTHER

**Time Perspective:** OTHER

#### Enrollment Info

**Count:** 22

**Type:** ACTUAL

**Study Type:** OBSERVATIONAL

### Arms Interventions Module

#### Arm Group 1

**Label:** Obese

#### Arm Group 2

**Label:** Non-Obese

### Eligibility Module

**Eligibility Criteria:** Inclusion Criteria:

* obese (weight \> 85kg and BMI\>30) or non-obese patients (\<75kg and BMI \<25) with chronic Hepatitis C
* Chronic Hepatitis C infection with documented HCV RNA
* Body habitat either as obese or non-obese as defined above
* Currently not under IFN therapy
* Non-African American

Exclusion Criteria:

* Body habitat neither obese or non-obese as defined for the purpose of this study
* Unable to give consent
* On immunomodulatory agents such as prednisone
* Active infection other than Hepatitis C
* Co-infection with HBV or HIV
* Active or excessive alcohol use
* Other cause of chronic Hepatitis

**Minimum Age:** 18 Years

**Sex:** ALL

**Standard Ages:**

- ADULT

- OLDER_ADULT

**Study Population:** Inclusion Criteria:

* obese (weight \> 85kg and BMI\>30) or non-obese patients (\<75kg and BMI \<25) with chronic Hepatitis C
* Chronic Hepatitis C infection with documented HCV RNA
* Body habitat either as obese or non-obese as defined above
* Currently not under IFN therapy
* Non-African American

### Contacts Locations Module

#### Locations

**Location 1:**

**City:** Palo Alto

**Country:** United States

**Facility:** VA Palo Alto Health Care System

**State:** California

**Zip:** 94304

#### Overall Officials

**Official 1:**

**Affiliation:** VA Palo Alto Health Care System

**Name:** Ramsey Cheung, MD

**Role:** PRINCIPAL_INVESTIGATOR

### References Module

#### References

**Citation:** Bressler BL, Guindi M, Tomlinson G, Heathcote J. High body mass index is an independent risk factor for nonresponse to antiviral treatment in chronic hepatitis C. Hepatology. 2003 Sep;38(3):639-44. doi: 10.1053/jhep.2003.50350.

**PMID:** 12939590

**Citation:** Camps J, Crisostomo S, Garcia-Granero M, Riezu-Boj JI, Civeira MP, Prieto J. Prediction of the response of chronic hepatitis C to interferon alfa: a statistical analysis of pretreatment variables. Gut. 1993 Dec;34(12):1714-7. doi: 10.1136/gut.34.12.1714.

**PMID:** 7904252

**Citation:** Farooqi IS, Matarese G, Lord GM, Keogh JM, Lawrence E, Agwu C, Sanna V, Jebb SA, Perna F, Fontana S, Lechler RI, DePaoli AM, O'Rahilly S. Beneficial effects of leptin on obesity, T cell hyporesponsiveness, and neuroendocrine/metabolic dysfunction of human congenital leptin deficiency. J Clin Invest. 2002 Oct;110(8):1093-103. doi: 10.1172/JCI15693.

**PMID:** 12393845

**Citation:** Fried MW, Shiffman ML, Reddy KR, Smith C, Marinos G, Goncales FL Jr, Haussinger D, Diago M, Carosi G, Dhumeaux D, Craxi A, Lin A, Hoffman J, Yu J. Peginterferon alfa-2a plus ribavirin for chronic hepatitis C virus infection. N Engl J Med. 2002 Sep 26;347(13):975-82. doi: 10.1056/NEJMoa020047.

**PMID:** 12324553

**Citation:** Ji X, Cheung R, Cooper S, Li Q, Greenberg HB, He XS. Interferon alfa regulated gene expression in patients initiating interferon treatment for chronic hepatitis C. Hepatology. 2003 Mar;37(3):610-21. doi: 10.1053/jhep.2003.50105. Erratum In: Hepatology. 2003 Jun;37(6):1503.

**PMID:** 12601359

## Derived Section

### Condition Browse Module - Ancestors

- ID: D000008107

- Term: Liver Diseases

- ID: D000004066

- Term: Digestive System Diseases

- ID: D000006525

- Term: Hepatitis, Viral, Human

- ID: D000014777

- Term: Virus Diseases

- ID: D000007239

- Term: Infections

- ID: D000004769

- Term: Enterovirus Infections

- ID: D000010850

- Term: Picornaviridae Infections

- ID: D000012327

- Term: RNA Virus Infections

- ID: D000086982

- Term: Blood-Borne Infections

- ID: D000003141

- Term: Communicable Diseases

- ID: D000018178

- Term: Flaviviridae Infections

- ID: D000002908

- Term: Chronic Disease

- ID: D000020969

- Term: Disease Attributes

- ID: D000010335

- Term: Pathologic Processes

### Condition Browse Module - Browse Branches

- Abbrev: BC18

- Name: Nutritional and Metabolic Diseases

- Abbrev: BC23

- Name: Symptoms and General Pathology

- Abbrev: All

- Name: All Conditions

- Abbrev: BC01

- Name: Infections

- Abbrev: BC06

- Name: Digestive System Diseases

- Abbrev: Rare

- Name: Rare Diseases

### Condition Browse Module - Browse Leaves

- ID: M12701

- Name: Obesity

- Relevance: LOW

- As Found: Unknown

- ID: M9592

- Name: Hepatitis A

- Relevance: HIGH

- As Found: Hepatitis

- ID: M9591

- Name: Hepatitis

- Relevance: HIGH

- As Found: Hepatitis

- ID: M9607

- Name: Hepatitis, Chronic

- Relevance: HIGH

- As Found: Chronic Hepatitis

- ID: M9611

- Name: Hepatitis C

- Relevance: HIGH

- As Found: Hepatitis C

- ID: M21613

- Name: Hepatitis C, Chronic

- Relevance: HIGH

- As Found: Chronic Hepatitis C

- ID: M11107

- Name: Liver Diseases

- Relevance: LOW

- As Found: Unknown

- ID: M7255

- Name: Digestive System Diseases

- Relevance: LOW

- As Found: Unknown

- ID: M8883

- Name: Gastrointestinal Diseases

- Relevance: LOW

- As Found: Unknown

- ID: M9610

- Name: Hepatitis, Viral, Human

- Relevance: LOW

- As Found: Unknown

- ID: M17522

- Name: Virus Diseases

- Relevance: LOW

- As Found: Unknown

- ID: M10283

- Name: Infections

- Relevance: LOW

- As Found: Unknown

- ID: M6368

- Name: Communicable Diseases

- Relevance: LOW

- As Found: Unknown

- ID: M7930

- Name: Enterovirus Infections

- Relevance: LOW

- As Found: Unknown

- ID: M13745

- Name: Picornaviridae Infections

- Relevance: LOW

- As Found: Unknown

- ID: M15149

- Name: RNA Virus Infections

- Relevance: LOW

- As Found: Unknown

- ID: M2593

- Name: Blood-Borne Infections

- Relevance: LOW

- As Found: Unknown

- ID: M20324

- Name: Flaviviridae Infections

- Relevance: LOW

- As Found: Unknown

- ID: M6147

- Name: Chronic Disease

- Relevance: LOW

- As Found: Unknown

- ID: M22700

- Name: Disease Attributes

- Relevance: LOW

- As Found: Unknown

- ID: T1303

- Name: Chronic Graft Versus Host Disease

- Relevance: HIGH

- As Found: Chronic

### Condition Browse Module - Meshes

- ID: D000006506

- Term: Hepatitis A

- ID: D000006526

- Term: Hepatitis C

- ID: D000019698

- Term: Hepatitis C, Chronic

- ID: D000006505

- Term: Hepatitis

- ID: D000006521

- Term: Hepatitis, Chronic

### Misc Info Module

- Version Holder: 2024-05-24
