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J Chromatogr Sci ; 59(1): 79-87, 2021 Jan 01.
Artigo em Inglês | MEDLINE | ID: mdl-33169159

RESUMO

The present study described the development of a reversed-phase liquid chromatographic method for the estimation of abiraterone acetate by Quality by Design (QbD) approach. Using an isocratic solvent system for the mobile phase, the chromatographic estimation of analyte was performed on a Hypersil BDS C18 column using mobile phase mixture containing acetonitrile and water with pH adjusted with 0.1% v/v orthophosphoric acid (15:85%v/v ratio), flow rate 1.0 mL.min-1 and detection at 250 nm using photodiode array detector. Systematic development of the chromatographic method was carried out by factor screening using a half-factorial design which suggested organic modifier (%), flow rate (mL.min-1) and autosampler temperature (°C) as influential variables. Further, the method was optimized by Box-Behnken design and trials performed were evaluated for the area under peak, retention time, theoretical plate count and tailing factor as the responses. Validation of the developed method showed good linearity, accuracy, precision and sensitivity. Evaluation of the stability-indicating profile of the method using forced degradation studies revealed the formation of a possible degradation product under acidic and alkaline conditions, while no such degradation product peaks were observed under the oxidative environment. Overall, the study construed the successful development of HPLC assay method for pharmaceutical applications.


Assuntos
Acetato de Abiraterona/análise , Acetato de Abiraterona/química , Cromatografia Líquida de Alta Pressão/métodos , Cromatografia de Fase Reversa/métodos , Estabilidade de Medicamentos , Limite de Detecção , Modelos Lineares , Modelos Estatísticos , Reprodutibilidade dos Testes
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