ArticleInfectious diseases and therapy2022
Shorter Time to Discontinuation Due to Treatment Failure in People Living with HIV Switched to Dolutegravir Plus Either Rilpivirine or Lamivudine Compared with Integrase Inhibitor-Based Triple Therapy in a Large Spanish Cohort.
Article in Infectious diseases and therapy, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 6 citations in OpenAlex.
- Highlights of the 17th European AIDS Clinical Society (EACS) Conference, 6-9 November 2019, Basel, Switzerland.Journal of virus eradication · 2020Article
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22 authors at 20 institutions in 4 countries.
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Abstract
introductionStandard therapy for HIV treatment has consisted of two nucleoside analogue reverse transcriptase inhibitors (NRTI) paired with a third agent. Use of two-drug regimens (2DR) has been considered for selected patients in part to avoid toxicities associated with the use of NRTIs. This study aimed to compare the real-world outcomes of integrase inhibitor (INSTI)-based three-drug regimens (3DR) versus 2DR of dolutegravir (DTG) + rilpivirine (RPV) or DTG + lamivudine (3TC).
methodsAll patients in the Spanish VACH cohort switching to INSTI-based 3DR or a 2DR consisting of DTG + RPV or DTG + 3TC between May 2, 2016 and May 15, 2019 were included. Kaplan-Meier curves and Cox proportional hazard models were used to assess time to/risk of discontinuation due to treatment failure (TF) (defined as virologic failure [VF], immunologic failure, or disease progression) and adverse events (AEs). Three secondary analyses were performed: (1) in restricting the analysis to patients who were virologically suppressed (HIV RNA < 50 copies/mL) at switch; (2) matched analysis (2:1, matched by age, sex, number of previous VFs, and line of regimen), and (3) using VF as the primary endpoint in all patients.
resultsOverall, 5047 3DR and 617 2DR patients were analyzed. Baseline characteristics differed between groups; 2DR patients were older, more treatment experienced, and more likely to be virologically suppressed at switch. Time to discontinuation due to TF was significantly shorter for 2DR (P = 0.002). The hazard ratio (HR) for discontinuation due to TF on 2DR vs 3DR was 2.33 (P = 0.003). No difference was observed for time to discontinuation (P = 0.908) or risk of discontinuation due to AEs (HR = 0.80; P = 0.488). Results were qualitatively similar in virologically suppressed patients, matched analysis, and for VF.
conclusionIn the real world, the risks of discontinuation due to TF and VF were more than two times higher in patients switching to DTG-based 2DR than INSTI-based 3DR, with no difference in discontinuation due to AEs.
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