Rapid ART initiation with bictegravir/emtricitabine/tenofovir alafenamide in individuals presenting with advanced HIV disease (Rainbow study)

INTERNATIONAL JOURNAL OF ANTIMICROBIAL AGENTS(2024)

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摘要
Background: A rapid ART initiation approach can be beneficial in people with advanced HIV disease, in consideration of their high morbidity and mortality. The aim of our study was to evaluate the feasibility, efficacy and safety of rapid ART start with BIC/FTC/TAF in this setting. Methods: Pilot, single-centre, single-arm, prospective, phase IV clinical trial conducted in a tertiary Italian hospital. Thirty ART-naive people presenting with advanced HIV-1 diagnosis (defined as the presence of an AIDS-defining event and/or CD4 cell count < 200 mu L), were enrolled. Main exclusion criteria were active tuberculosis, cryptococcosis and pregnant/breastfeeding women. BIC/FTC/TAF was started within 7 days from HIV diagnosis. The primary endpoint was clinical or virologic failure (VF). Immunological parameters, safety, feasibility, neurocognitive performances and patient-reported outcomes were assessed as well. Results: Over the study period, 40 (34%) of 116 patients diagnosed with HIV infection at INMI Spallanzani had advanced disease, of whom 30 (26%) were enrolled. The proportion of participants with HIV-RNA < 50 cp/mL was 9/30 (30%) at week (w) 4, 19/30 (63%) at w12, 24/30 (80%) at w24, 23/30 (77%) at w36 and 27/30 (90%) at w48. Two unconfirmed VF occurred. No ART discontinuation due to toxicity or VF was observed. No ART modification was performed based on the review of genotype and no mutations for the study drugs were detected. Mean CD4 cells count changed by 133 cells/mu L at BL to 309 cells/mu L at w 48 and 83% of participants had a CD4 > 200 cells/mu L at w 48. Two participants developed IRIS and one was diagnosed with disseminated TB and needed an ART switch. Interpretations: Our results support the feasibility, efficacy and safety of BIC/FTC/TAF as a rapid ART strategy in patients with advanced HIV disease. (c) 2023 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license ( http://creativecommons.org/licenses/by-nc-nd/4.0/ )
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关键词
Rapid ART strategy,HIV infection,Advanced-naive,AIDS,IRIS,BIC/FTC/TAF
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