Doravirine/lamivudine/tenofovir disoproxil fumarate in virologically suppressed people living with HIV: A real-life experience

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Background Doravirine is a non-nucleoside reverse transcriptase inhibitor (NNRTI) showing high efficacy and tolerability in both naïve and experienced people living with HIV (PLWHIV) in randomized trials, but scarce data are available to date from the real-life experience. Methods We performed an observational, retrospective study of PLWHIV on suppressive antiretroviral therapy who switched to a daily single-tablet regimen containing doravirine 100 mg, lamivudine 300 mg, and tenofovir disoproxil fumarate 300 mg. Results As a whole, 62 suppressed patients (51 men, median age, 51.7 years; median CD4 T+ lymphocyte count, 577 cells/mm 3 ) were enrolled. After 12 months, 58 (93.5%) patients showed HIV RNA <20 copies/mL and reasons for treatment failure were virological failure in one case, missing data in one case, and adverse events in two cases. At month 12, a significant decrease in median serum level of triglycerides (median change −61.2 mg/dL; p = .009) and total cholesterol (median change −38.4 mg/dL; p = .021) was reported, while a not significant median weight increase was registered (+0.55 kg). Conclusions In our study, simplification to a single-tablet regimen of doravirine/lamivudine/tenofovir disoproxil fumarate in virologically suppressed PLWHIV was effective and showed a good tolerability profile, in association with a significant improvement in serum lipid levels.

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