Abstract
A study was conducted in an HIV/AIDS Zimbabwean cohort to assess possible associations of pharmacogenetic variants with common adverse drug reactions (ADRs) during anti-retroviral treatment (ART) and/or tuberculosis (TB) treatment. Genotype and allele frequencies for CYP2B6 G516T, CYP2B6 T983C, CYP2A6*17, ABCB1 rs10276036 C>T, NAT2*5 and NAT2*14 were similar to those reported in literature for other African populations. The CYP2B6 516TT genotype and male gender were significantly associated with occurrence of Efavirenz induced central nervous system disorders (OR 20.58, p=0.004) and the ABCB1 rs10276036TT genotype with Nevirapine induced skin hypersensitivity (OR 4.01, p=0.04). For Stavudine, time on treatment was the main factor in development of lipodystrophy (OR 1.06, p<0.0001). For isoniazid, increasing patient age was associated with peripheral neuropathy (OR 1.05, p=0.001). Although genetic polymorphisms may play a role in predicting occurrence of ADRs, this study also indicates that other factors (gender, age, treatment time) are crucial in predicting drug-induced adverse effects.
Keywords: Antiretroviral treatment, adverse drug reactions, genetic polymorphisms, HIV/AIDS.
Current HIV Research
Title:Genetic Variants of Drug Metabolizing Enzymes and Drug Transporter (ABCB1) as Possible Biomarkers for Adverse Drug Reactions in an HIV/AIDS Cohort in Zimbabwe
Volume: 11 Issue: 6
Author(s): Milcah Dhoro, Bernard Ngara, Gerald Kadzirange, Charles Nhachi and Collen Masimirembwa
Affiliation:
Keywords: Antiretroviral treatment, adverse drug reactions, genetic polymorphisms, HIV/AIDS.
Abstract: A study was conducted in an HIV/AIDS Zimbabwean cohort to assess possible associations of pharmacogenetic variants with common adverse drug reactions (ADRs) during anti-retroviral treatment (ART) and/or tuberculosis (TB) treatment. Genotype and allele frequencies for CYP2B6 G516T, CYP2B6 T983C, CYP2A6*17, ABCB1 rs10276036 C>T, NAT2*5 and NAT2*14 were similar to those reported in literature for other African populations. The CYP2B6 516TT genotype and male gender were significantly associated with occurrence of Efavirenz induced central nervous system disorders (OR 20.58, p=0.004) and the ABCB1 rs10276036TT genotype with Nevirapine induced skin hypersensitivity (OR 4.01, p=0.04). For Stavudine, time on treatment was the main factor in development of lipodystrophy (OR 1.06, p<0.0001). For isoniazid, increasing patient age was associated with peripheral neuropathy (OR 1.05, p=0.001). Although genetic polymorphisms may play a role in predicting occurrence of ADRs, this study also indicates that other factors (gender, age, treatment time) are crucial in predicting drug-induced adverse effects.
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Dhoro Milcah, Ngara Bernard, Kadzirange Gerald, Nhachi Charles and Masimirembwa Collen, Genetic Variants of Drug Metabolizing Enzymes and Drug Transporter (ABCB1) as Possible Biomarkers for Adverse Drug Reactions in an HIV/AIDS Cohort in Zimbabwe, Current HIV Research 2013; 11 (6) . https://dx.doi.org/10.2174/1570162X113119990048
DOI https://dx.doi.org/10.2174/1570162X113119990048 |
Print ISSN 1570-162X |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4251 |
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