Dolutegravir/Lamivudine versus Tenofovir Alafenamide/Emtricitabine/Bictegravir as a Switch Strategy in a Real-Life Cohort of Virogically Suppressed People Living with HIV

Background: The aim of the study is to evaluate the effectiveness, safety, and tolerability of a two-drug regimen (2-DR) dolutegravir/lamivudine (DTG/3TC) versus a three-drug regimen (3-DR) tenofovir alafenamide/emtricitabine/bictegravir (TAF/FTC/BIC) in a real-life cohort of HIV-1 virologically sup...

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Main Authors: Giuseppe Vittorio De Socio, Sara Tordi, Debora Altobelli, Anna Gidari, Anastasia Zoffoli, Daniela Francisci
Format: Article
Language:English
Published: MDPI AG 2023-12-01
Series:Journal of Clinical Medicine
Subjects:
Online Access:https://www.mdpi.com/2077-0383/12/24/7759
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author Giuseppe Vittorio De Socio
Sara Tordi
Debora Altobelli
Anna Gidari
Anastasia Zoffoli
Daniela Francisci
author_facet Giuseppe Vittorio De Socio
Sara Tordi
Debora Altobelli
Anna Gidari
Anastasia Zoffoli
Daniela Francisci
author_sort Giuseppe Vittorio De Socio
collection DOAJ
description Background: The aim of the study is to evaluate the effectiveness, safety, and tolerability of a two-drug regimen (2-DR) dolutegravir/lamivudine (DTG/3TC) versus a three-drug regimen (3-DR) tenofovir alafenamide/emtricitabine/bictegravir (TAF/FTC/BIC) in a real-life cohort of HIV-1 virologically suppressed treatment-experienced (TE) people living with HIV (PLWH). Methods: This was a single-center, retrospective, observational study analyzing adult TE PLWH who started the 2-DR or 3-DR between January 2018 and January 2023. All PLWH with a viral load (VL) <50 copies/mL at the time of switching, and a follow-up of more than 6 months or interruption of treatment at any time, were included. Results: A total of 324 PLWH were included; of these, 110 (34%) were on the 2-DR and 214 (66%) were on the 3-DR. Most patients remained on therapy in both groups (93.6% 2-DR versus 90.2% 3-DR) and, at the last control, 99.1% achieved VL < 50 copies/mL with the 2-DR versus 97.2% with the 3-DR (<i>p</i> = 0.260). No virological failures occurred in either group. Adverse events occurred in a few cases: four (3.6%) in the 2-DR group and five (2.3%) in the 3-DR group (<i>p</i> = 0.500). The median follow-up-time was 19.6 months for the 2-DR and 27.5 months for the 3-DR. Conclusion: Our study shows a similar effectiveness and safety profile in virologically suppressed PLWH switching to DTG/3TC or TAF/FTC/BIC.
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spelling doaj.art-22bd0869c57d4332aea28dc40cf627cf2023-12-22T14:17:42ZengMDPI AGJournal of Clinical Medicine2077-03832023-12-011224775910.3390/jcm12247759Dolutegravir/Lamivudine versus Tenofovir Alafenamide/Emtricitabine/Bictegravir as a Switch Strategy in a Real-Life Cohort of Virogically Suppressed People Living with HIVGiuseppe Vittorio De Socio0Sara Tordi1Debora Altobelli2Anna Gidari3Anastasia Zoffoli4Daniela Francisci5Department of Medicine, Clinic of Infectious Diseases, “Santa Maria della Misericordia” Hospital, University of Perugia, 06129 Perugia, ItalyDepartment of Medicine, Clinic of Infectious Diseases, “Santa Maria della Misericordia” Hospital, University of Perugia, 06129 Perugia, ItalyDepartment of Medicine, Clinic of Infectious Diseases, “Santa Maria della Misericordia” Hospital, University of Perugia, 06129 Perugia, ItalyDepartment of Medicine, Clinic of Infectious Diseases, “Santa Maria della Misericordia” Hospital, University of Perugia, 06129 Perugia, ItalyDepartment of Medicine, Clinic of Infectious Diseases, “Santa Maria della Misericordia” Hospital, University of Perugia, 06129 Perugia, ItalyDepartment of Medicine, Clinic of Infectious Diseases, “Santa Maria della Misericordia” Hospital, University of Perugia, 06129 Perugia, ItalyBackground: The aim of the study is to evaluate the effectiveness, safety, and tolerability of a two-drug regimen (2-DR) dolutegravir/lamivudine (DTG/3TC) versus a three-drug regimen (3-DR) tenofovir alafenamide/emtricitabine/bictegravir (TAF/FTC/BIC) in a real-life cohort of HIV-1 virologically suppressed treatment-experienced (TE) people living with HIV (PLWH). Methods: This was a single-center, retrospective, observational study analyzing adult TE PLWH who started the 2-DR or 3-DR between January 2018 and January 2023. All PLWH with a viral load (VL) <50 copies/mL at the time of switching, and a follow-up of more than 6 months or interruption of treatment at any time, were included. Results: A total of 324 PLWH were included; of these, 110 (34%) were on the 2-DR and 214 (66%) were on the 3-DR. Most patients remained on therapy in both groups (93.6% 2-DR versus 90.2% 3-DR) and, at the last control, 99.1% achieved VL < 50 copies/mL with the 2-DR versus 97.2% with the 3-DR (<i>p</i> = 0.260). No virological failures occurred in either group. Adverse events occurred in a few cases: four (3.6%) in the 2-DR group and five (2.3%) in the 3-DR group (<i>p</i> = 0.500). The median follow-up-time was 19.6 months for the 2-DR and 27.5 months for the 3-DR. Conclusion: Our study shows a similar effectiveness and safety profile in virologically suppressed PLWH switching to DTG/3TC or TAF/FTC/BIC.https://www.mdpi.com/2077-0383/12/24/7759HIVdolutegravirbictegravirvirological failuresafetytoxicity
spellingShingle Giuseppe Vittorio De Socio
Sara Tordi
Debora Altobelli
Anna Gidari
Anastasia Zoffoli
Daniela Francisci
Dolutegravir/Lamivudine versus Tenofovir Alafenamide/Emtricitabine/Bictegravir as a Switch Strategy in a Real-Life Cohort of Virogically Suppressed People Living with HIV
Journal of Clinical Medicine
HIV
dolutegravir
bictegravir
virological failure
safety
toxicity
title Dolutegravir/Lamivudine versus Tenofovir Alafenamide/Emtricitabine/Bictegravir as a Switch Strategy in a Real-Life Cohort of Virogically Suppressed People Living with HIV
title_full Dolutegravir/Lamivudine versus Tenofovir Alafenamide/Emtricitabine/Bictegravir as a Switch Strategy in a Real-Life Cohort of Virogically Suppressed People Living with HIV
title_fullStr Dolutegravir/Lamivudine versus Tenofovir Alafenamide/Emtricitabine/Bictegravir as a Switch Strategy in a Real-Life Cohort of Virogically Suppressed People Living with HIV
title_full_unstemmed Dolutegravir/Lamivudine versus Tenofovir Alafenamide/Emtricitabine/Bictegravir as a Switch Strategy in a Real-Life Cohort of Virogically Suppressed People Living with HIV
title_short Dolutegravir/Lamivudine versus Tenofovir Alafenamide/Emtricitabine/Bictegravir as a Switch Strategy in a Real-Life Cohort of Virogically Suppressed People Living with HIV
title_sort dolutegravir lamivudine versus tenofovir alafenamide emtricitabine bictegravir as a switch strategy in a real life cohort of virogically suppressed people living with hiv
topic HIV
dolutegravir
bictegravir
virological failure
safety
toxicity
url https://www.mdpi.com/2077-0383/12/24/7759
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