Effects of switching to dolutegravir/lamivudine from tenofovir alafenamide fumarate/emtricitabine/dolutegravir or abacavir/lamivudine/dolutegravir on body weight and lipid profile in Japanese people living with HIV.
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Abstract
Background: The two-drug regimen of dolutegravir/lamivudine (DTG/3TC) is currently an optional antiretroviral therapy (ART). Despite its reported advantages on body weight and lipid profile, the same effects have not yet been reported for Asian population.
Methods: We conducted a single-center retrospective study involving Japanese people living with HIV (PLWH). They were divided into four groups: those who had received abacavir/lamivudine/dolutegravir (ABC/3TC/DTG) and continued the same (ABC-ON group) or switched to DTG/3TC (ABC-OFF group), those who had received tenofovir alafenamide fumarate/emtricitabine/dolutegravir (TAF/FTC/DTG) and continued the same (TAF-ON group) or switched to DTG/3TC (TAF-OFF group). We compared changes in viral load, CD4⁺ cell count, CD4⁺/CD8⁺ ratio, body weight, BMI, lipid profiles, estimated glomerular filtration rate (eGFR), and fibrosis index based on four factors (FIB4-index) between the pre-switch and post-switch period.
Results: Of the 541 PLWH on DTG-based ART, 165, 94, 264 and 18 constituted the ABC-ON, ABC-OFF, TAF-ON, and TAF-OFF groups, respectively. Neither viral rebound nor CD4+decline was observed in the post-switch period in all groups. Multivariate analysis showed significant reduction in total cholesterol, LDL-C and HDL-C in the ABC-OFF group (-6.280, -6.957 and -2.268, p = 0.040, 0.012 and 0.022, respectively), but not in the TAF-OFF group (-3.000, 6.708 and 0.046, p = 0.607, 0.276 and 0.983, respectively). No significant changes were observed in body weight, eGFR, or FIB4-index at 72 weeks after the discontinuation of ABC or TAF.
Conclusions: Switching from ABC/3TC/DTG to DTG/3TC lowered lipids significantly, but not with TAF/FTC/DTG. Neither switch affected body weight or other markers.
期刊介绍：
The Journal of Infection and Chemotherapy (JIC) — official journal of the Japanese Society of Chemotherapy and The Japanese Association for Infectious Diseases — welcomes original papers, laboratory or clinical, as well as case reports, notes, committee reports, surveillance and guidelines from all parts of the world on all aspects of chemotherapy, covering the pathogenesis, diagnosis, treatment, and control of infection, including treatment with anticancer drugs. Experimental studies on animal models and pharmacokinetics, and reports on epidemiology and clinical trials are particularly welcome.
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