SPECTROPHOTOMETRIC METHOD DEVELOPMENT AND VALIDATION FOR SIMULTANEOUS ESTIMATION OF ABACAVIR AND LAMIVUDINE IN COMBINED DOSAGE FORM
Journal: International Journal of Pharmaceutical Sciences and Medicine (IJPSM) (Vol.6, No. 9)Publication Date: 2021-09-30
Authors : Divyanshu Sharma; Prerna Chaturvedi;
Page : 27-33
Keywords : Simultaneous estimation; Abacavir; lamivudine; spectroscopy;
Abstract
Antiretroviral therapy [ART] has been developed remarkably within last three decades, since the first NRTI (nucleoside reverse transcriptase inhibitor) developed. For the mostly patients the challenge of complete and sustain suppression of viral has been clarify, since the triple therapy arrived. Convenient pill burden and tolerability are the main limiting factor for enhancing the long term benefit of ART. ABACAVIR (ABA) and LAMIVUDINE (LAM) are synthetic nucleotide analog (SNA) that showing a synergistic and potent inhibitory effect on human immunodeficiency virus-I (HIV-I), causative agent of AIDS. ABA and LAM belongs to nucleoside reverse transcriptase inhibitor (NRTI) class. As per new therapeutic strategy these two antiretroviral (ARV) drugs are required for the treatment of AIDS. When ARV regimens changed due to lack to virologic response ABA should be avoided. ABA is getting converted in to the active metabolite (carbovir triphosphate) which is an deoxyguanosine-5' triphosphate analog by intracellular enzymes. LAM gets converted in its active 5'-triphosphate metabolite through phosphorylation. Chemically, ABA is (1S, cis)-4-[2-amino-6-(cyclopropyl amino)-9H-purin-9-yl]-2cyclopentene-1-methanol sulphate and LAM is (2R, cis)-4-amino-1-(2-hydroxymethyl-1, 3oxathiolan-5-yl)-(1H)-pyrimidin-2-one. Fig. 1 and 2 show ABA and LAM's structure respectively.
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Last modified: 2021-10-02 03:49:46