Journal
JOURNAL OF PHARMACOLOGICAL SCIENCES
Volume 144, Issue 3, Pages 95-101Publisher
JAPANESE PHARMACOLOGICAL SOC
DOI: 10.1016/j.jphs.2020.07.013
Keywords
Lumefantrine; Antiretroviral drugs; Therapeutic concentrations; Malaria; HIV
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Funding
- University of Lagos Central Research Committee (CRC) [01-00063-6347]
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Patients living with HIV in malarial endemic regions may experience clinically significant drug interaction between antiretroviral and antimalarial drugs. Effects of nevirapine (NVP), efavirenz (EFV) and lopinavir/ritonavir (LPVr) on lumefantrine (LM) therapeutic concentrations and toxicity were evaluated. In a four-arm parallel study design, the blood samples of 40 participants, treated with artemether/lumefantrine (AL), were analysed. Lumefantrine Cmax was increased by 32% (p = 0.012) and 325% (p < 0.0001) in the NVP and LPVr arms respectively but decreased by 62% (p < 0.0001) in the EFV-arm. AUC of LM was, respectively, increased by 50% (p = 0.27) and 328% (p < 0.0001) in the NVP and LPVr arms but decreased in the EFV-arm by 30% (p = 0.019). Median day 7 LM concentration was less than 280 ng/mL in EFV-arm (239 ng/mL) but higher in control (290 ng/mL), NVP (369 ng/mL, p = 0.004) and LPVr (1331 ng/mL, p < 0.0001) arms. There were no clinically relevant toxicities nor adverse events in both control and test arms. Artemether/lumefantrine is safe and effective for treatment of malaria in PLWHA taking NVP and LPVr based ART regimen but not EFV-based regimen. (C) 2020 The Authors. Production and hosting by Elsevier B.V. on behalf of Japanese Pharmacological Society.
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