Oral Liquids

Bioequivalence | Pharmaceutical Development

Viscosity and Bioequivalence of Oral Suspensions
ByPharma Lesson August 1, 2025August 1, 2025 Reading Time: 2 minutes

Viscosity plays a particularly critical role—especially when the goal is to demonstrate bioequivalence (BE) with a Reference Listed Drug Key functions of viscosity in suspensions: Bioequivalence Considerations BE studies are conducted to ensure that the rate and extent of drug absorption from a generic product are comparable to that of the RLD. For BCS Class…

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Bioequivalence

Bioequivalence Studies for Clear Oral Syrup
ByPharma Lesson March 4, 2025March 4, 2025 Reading Time: 2 minutes

BE studies for clear oral syrup solutions ensure that generic formulations provide the same therapeutic effect as the reference product. Unlike solid dosage forms, oral syrups are already in solution, which simplifies some BE requirements. However, factors such as excipients, solubility, and absorption characteristics can influence the need for in vivo studies. When Are BE…

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