Editorial Open Access

Bioavailability: Key Determinant of Drug Efficacy and Therapeutic Performance

Abstract

Bioavailability is a critical parameter in pharmacology and drug development, representing the fraction of an administered drug dose that reaches systemic circulation in its active form. It directly influences therapeutic efficacy, dosing regimens, and clinical outcomes[1]. Factors affecting bioavailability include drug formulation, solubility, permeability, first-pass metabolism, and patientspecific physiological variables. Analytical methods such as high-performance liquid chromatography (HPLC), mass spectrometry, and spectrophotometry are essential for quantifying bioavailability. This article explores the principles, types, determinants, assessment methods, and clinical significance of bioavailability. Understanding and optimizing bioavailability is vital for drug design, regulatory approval, and ensuring optimal therapeutic performance.

Riya S. Verma

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