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Singkham N, Avihingsanon A, Thammajaruk N, Ruxrungtham K, Bunupuradah T, Kiertiburanakul S, Chetchotisakd P, Burger DM, Emery S, Punyawudho B. Influence of CYP3A5 and SLCO1B1 polymorphisms on atazanavir/r concentrations in Thai HIV-infected patients. Pharmacogenomics 2020; 20:517-527. [PMID: 31124411 DOI: 10.2217/pgs-2018-0196] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Aim: To evaluate the influence of genetic polymorphisms on plasma trough concentrations of atazanavir (ATV) and ritonavir (RTV). Patients & methods: The concentration-to-dose ratios were compared between different genotype groups of CYP3A5, ABCB1, SLCO1B1 and NR1I2 in 490 patients. Multiple regression analysis was used to examine the association between genetic and clinical factors and log-transformed concentration-to-dose ratio of ATV and RTV. Results: Higher concentrations of ATV and RTV were significantly associated with CYP3A5 6986 GG and SLCO1B1 521 TC or CC. Female patients had significantly higher ATV plasma concentration than male patients. Conclusion: Genetic polymorphisms and gender are factors affecting the variability of ATV and RTV concentrations in the Thai population. Thus, genetic testing is worth considering when atazanavir + low dose ritonavir is prescribed.
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Affiliation(s)
- Noppaket Singkham
- Department of Pharmaceutical Care, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, Thailand.,PhD's Degree Program in Pharmacy, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, Thailand
| | - Anchalee Avihingsanon
- HIV-NAT, Thai Red Cross AIDS Research Centre, Bangkok, Thailand.,Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | | | - Kiat Ruxrungtham
- HIV-NAT, Thai Red Cross AIDS Research Centre, Bangkok, Thailand.,Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | | | - Sasisopin Kiertiburanakul
- Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
| | | | - David M Burger
- Department of Pharmacy, Radbound University Medical Center, Nijmegen, The Netherlands
| | - Sean Emery
- Faculty of Medicine, University of New South Wales, Sydney, Australia
| | - Baralee Punyawudho
- Department of Pharmaceutical Care, Faculty of Pharmacy, Chiang Mai University, Chiang Mai, Thailand.,Pharmacoepidemiology & Statistics Research Center (PESRC), Faculty of Pharmacy, Chiang Mai University, Chiang Mai, Thailand
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