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What is The pharmacokinetic propeies of a new antihistamine are being studied in normal volunteers during phase I clinical trials. The clearance and half-life of the drug are determined to be 4.0 L/hour and 10 hours, respectively. Which of the following values is the approximate volume of distribution for this drug? and explain in detail?
The volume of distribution of a drug can be determined using the following equation: t1/2 = (0.693 x Vd)/CL Therefore, 10 hours = (0.693 x Vd)/(4.0 L/hour), 40 hours = 0.693 x Vd, Vd = 58 L which is approximately 60 L.