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Nevirapine is the first antiretroviral member of non-nucleoside reverse transcriptase inhibitor used in active antiretroviral therapy (HAART). The aim of this work was the evaluation of the dissolution profile of nevirapine tablets by means of the Disk Intrinsic Dissolution Rate (DIDR) using a 2(3) factorial design. This study used a triplicate in central point and was based on three independent variables: the rotational speed of the apparatus, the compression force of nevirapine disk, and the distance of the tank dissolution. The dependent variable was set as intrinsic dissolution speed (IDS). IDS was strongly dependent on the rotational speed, compression force, and distance of the apparatus, analyzed by Student's t test with 95% confidence, and confirmed by ANOVA. The rotational speed of nevirapine disks was the main factor contributing to the IDS, whereas the compression force and the distance of disks on the dissolution apparatus revealed no effects.


G G G de Oliveira, H Ferraz, P Severino, E B Souto. Solid dosage forms for active antiretroviral therapy (HAART): dissolution profile study of nevirapine by experimental factorial design. Pharmaceutical development and technology. 2013 Mar-Apr;18(2):428-33

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PMID: 22519303

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