Comparative evaluation of dissolution profiles of the generic drug lamivudine 150 mg tablet marketed in Peru vs. the innovative Epivir

Authors

DOI:

https://doi.org/10.17843/rpmesp.2024.411.12821

Keywords:

Therapeutic Equivalence, Generic Drugs, Lamivudine, Bioequivalent Drugs, Dissolution, HIV

Abstract

Lamivudine is one of the most prescribed drugs in the world, and is used to treat human immunodeficiency and hepatitis B. This study aimed to evaluate the quality attributes and compare the dissolution profiles of two batches (A and B) of generic lamivudine 150 mg tablets with the innovator drug Epivir 150 mg tablets. We conducted an analytical, experimental, cross-sectional study, and used a spectrophotometric method at a wavelength of maximum absorption (λ) corresponding to 270 nm, to measure the percentage of dissolved drug. The study evaluated identification, content, dissolution and mass uniformity. Apparatus 2 USP (Paddle) 75 rpm, 900 mL of dissolution medium (37 ± 0.5 °C) was used in three dissolution media: pH 1.2; 4.5 and 6.8. Samples of 5 mL were obtained at 5, 10, 15, 20 and 30 min. Both batches of generic lamivudine (A and B)  were found to have the same dissolution kinetic profile as the innovator drug. Both formulations met the criteria of very fast dissolving (85% dissolved in 15 min), and fast dissolving (85% dissolved in 30 min) drugs. Therefore, it was not necessary to calculate the similarity factor. We concluded that generic drugs A and B are in vitro equivalents to the innovator drug Epivir.

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Published

2024-05-08

Issue

Section

Brief Report

How to Cite

1.
Castañeda-Alarcón M, García-Montoya E, Rodríguez-Calzado J, Flores-Rodríguez M, Grande-Ortíz M, Moreno-Exebio L. Comparative evaluation of dissolution profiles of the generic drug lamivudine 150 mg tablet marketed in Peru vs. the innovative Epivir. Rev Peru Med Exp Salud Publica [Internet]. 2024 May 8 [cited 2024 Oct. 13];41(1):69-75. Available from: https://rpmesp.ins.gob.pe/index.php/rpmesp/article/view/12821

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