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Biowaiver monograph for immediate-release solid oral dosage forms: Raltegravir potassium
Atsushi Kambayashi1, Masaki Iida1, Makoto Ishihara1
1Faculty of Pharmaceutical Sciences, Tokyo University of Science, Noda, Japan.
Abstract:
The present monograph discusses the possibility of BCS-based biowaivers for immediate release pharmaceutical products containing raltegravir potassium, which is used to treat human immunodeficiency virus (HIV) infections. Raltegravir potassium can be assigned to BCS class II or IV since this compound has low solubility and uncertain permeability. Therefore, according to the ICH M9 guideline, it is not recommended to apply BCS-based biowaiver to approval of immediate release solid dosage forms of raltegravir potassium, either for new generic versions or when moderate to major changes in composition and/or the manufacturing method of the product are made.
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