Bioequivalence of Dispersed Stavudine: Opened versus Closed Capsule Dosing
Author(s) -
Steve Innes,
Jennifer Norman,
Pete Smith,
Marlize Smuts,
Edmund V. Capparelli,
Bernd Rosenkranz,
Mark F. Cotton
Publication year - 2011
Publication title -
antiviral therapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.747
H-Index - 87
eISSN - 2040-2058
pISSN - 1359-6535
DOI - 10.3851/imp1876
Subject(s) - stavudine , bioequivalence , capsule , dosing , pharmacokinetics , medicine , bioavailability , pharmacology , crossover study , reverse transcriptase inhibitor , human immunodeficiency virus (hiv) , zidovudine , biology , virology , antiretroviral therapy , viral load , pathology , viral disease , botany , alternative medicine , placebo
Stavudine, a nucleoside reverse transcriptase inhibitor, is used commonly to treat HIV-infected children in the developing world. The paediatric liquid formulation presents major logistical difficulties in rural and resource-limited areas, and prescribers are frequently forced to employ off-label 'opened capsule' dosing methods using the adult capsule. The South African Department of Health (DoH) has advised that caregivers should be instructed to disperse the contents of an adult capsule in 5 ml water and then withdraw the required dose using a syringe. The bioavailability of stavudine using the opened capsule dosing method has not previously been validated.
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