A single-dose, randomized, open-label, two-period crossover bioequivalence study of a fixed-dose pediatric combination of lamivudine 40-mg, nevirapine 70-mg, and stavudine 10-mg tablet for oral suspension with individual liquid formulations in healthy adult male volunteers

Clinical Therapeutics
Tausif MonifShibadas Biswal

Abstract

Because of the lack of suitable pediatric antiretroviral (ARV) agents, adult fixed-dose ARVs are commonly used in children. This practice poses concerns about dose inaccuracy, which may lead to resistance or toxicity. The objective of the present study was to evaluate the bioequivalence of a new pediatric fixed-dose combination (FDC) ARV tablet for oral suspension as compared with individual liquid formulations. The FDC ARV tablet for oral suspension contained lamivudine 40 mg, nevirapine 70 mg, and stavudine 10 mg. This formulation was compared with 4 mL of lamivudine 10 mg/mL, 7 mL of nevirapine 50 mg/5 mL, and 10 mL of stavudine 1 mg/mL. This was an open-label, balanced, randomized, 2-treatment, 2-period, 2-sequence, single-dose crossover study in 36 Indian male volunteers under fasting conditions. Blood samples were collected before dosing and at 0.167, 0.25, 0.333, 0.5, 0.667, 0.833, 1, 1.25, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 6, 12, 16, 24, 36, 48, 72, 96, 120, 144, 168, and 192 hours after dosing in each period. The mean (SD) age, weight, and height of the Indian volunteers were 24.78 (5.31) years (range, 18-38 years), 57.06 (8.59) kg (range, 45-77 kg), and 165.14 (5.34) cm (range, 156-176 cm), respectively. The mean (SD) v...Continue Reading

Citations

Jun 1, 2014·Expert Opinion on Drug Metabolism & Toxicology·Diane E T BastiaansDavid M Burger
Aug 15, 2019·Clinical Pharmacology in Drug Development·Anne Van HeckenJörg Breitkreutz
Apr 10, 2015·British Journal of Clinical Pharmacology·Hannah K Batchelor, John F Marriott
Nov 19, 2017·Clinical Pharmacology and Therapeutics·Kimberly AdkisonCynthia McCoig

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