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Lambert-Niclot S, Abdi B, Bellet J, Fofana D, De Truchis P, Amat K, Alvarez JC, Surgers L, Allavena C, Zaegell-Faucher O, Morlat P, Palich R, Gibowski S, Costagliola D, Girard PM, Landman R, Assoumou L, Morand-Joubert L. Four days/week antiretroviral maintenance strategy (ANRS 170 QUATUOR): substudies of reservoirs and ultrasensitive drug resistance. J Antimicrob Chemother 2023:7146011. [PMID: 37104815 DOI: 10.1093/jac/dkad119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Accepted: 04/04/2023] [Indexed: 04/29/2023] Open
Abstract
BACKGROUND In a 4 days/week (4/7 days) maintenance strategy (ANRS-170 QUATUOR trial), the virological impact of an intermittent strategy was assessed by ultrasensitive virological analyses of reservoirs and resistance. METHODS HIV-1 total DNA, ultra-sensitive plasma viral load (USpVL) and semen VL were measured in the first 121 participants. Sanger and ultra-deep sequencing (UDS) were performed on the HIV-1 genome (Illumina technology) according to the ANRS consensus. A generalized estimation equation with a Poisson distribution was used to compare changes in the proportion of residual viraemia, detectable semen HIV RNA and HIV DNA within and between the two groups over time. RESULTS The proportion of participants with residual viraemia at Day 0 (D0) and Week 48 (W48) was 16.7% and 25.0% in the 4/7 days group and 22.4% and 29.7% in the 7/7 days group, respectively (+8.3% versus +7.3%, P = 0.971). The proportion of detectable DNA (>40 copies/106 cells) at D0 and W48 was 53.7% and 57.4% in the 4/7 days group and 56.1% and 51.8% in the 7/7 days group, respectively (+3.7% versus -4.3%, P = 0.358). Semen HIV RNA was detectable (≥100 copies/mL) in 2.2% of participants at D0 and 4.5% at W48 in the 4/7 days group versus 6.1% and 9.1% in the 7/7 days group, respectively (+2.3% versus +3.0%, P = 0.743). Emerging resistance at failure was more frequent in the 4/7 days group detected by Sanger sequencing: 3/6 participants versus 1/4 in the 7/7 days group, and similar with the UDS assay: 5/6 versus 4/4, respectively. CONCLUSIONS These findings support the potency of a 4/7 days maintenance strategy on virological suppression at the reservoirs and emergent resistance level, including minority variants.
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Affiliation(s)
- Sidonie Lambert-Niclot
- Sorbonne Université, INSERM, Institut Pierre Louis d'Épidémiologie et de Santé Publique (IPLESP), 184 rue du Faubourg Saint-Antoine, 75571 Cedex 12, Paris, France
- AP-HP Hôpital Saint-Antoine, Laboratoire de Virologie, Paris, France
| | - Basma Abdi
- Sorbonne Université, INSERM, Institut Pierre Louis d'Épidémiologie et de Santé Publique (IPLESP), 184 rue du Faubourg Saint-Antoine, 75571 Cedex 12, Paris, France
- AP-HP Hôpital Pitié-Salpêtrière, Virology Department, Paris, France
| | - Jonathan Bellet
- Sorbonne Université, INSERM, Institut Pierre Louis d'Épidémiologie et de Santé Publique (IPLESP), 184 rue du Faubourg Saint-Antoine, 75571 Cedex 12, Paris, France
| | - Djeneba Fofana
- Sorbonne Université, INSERM, Institut Pierre Louis d'Épidémiologie et de Santé Publique (IPLESP), 184 rue du Faubourg Saint-Antoine, 75571 Cedex 12, Paris, France
- AP-HP Hôpital Saint-Antoine, Laboratoire de Virologie, Paris, France
| | - Pierre De Truchis
- Hôpitaux Universitaires Paris-Ile de France-Ouest, Hôpital Raymond Poincaré APHP, Université Versailles-Saint-Quentin, France, Infectious Diseases Department, Garches, France
| | - Karine Amat
- Institut de Médecine et Epidémiologie Appliquée, Hôpital Bichat, Université Paris 7, Paris, France
| | - Jean-Claude Alvarez
- Département de Pharmacologie-Toxicologie, Hôpital R Poincaré APHP, Inserm U-1173, Université Versailles-Saint-Quentin, Garches, France
| | - Laure Surgers
- Sorbonne Université, INSERM, Institut Pierre Louis d'Épidémiologie et de Santé Publique (IPLESP), 184 rue du Faubourg Saint-Antoine, 75571 Cedex 12, Paris, France
- GHU APHP. Sorbonne Université, Service des Maladies Infectieuses et Tropicales, Hôpital Saint-Antoine, F75012, Paris, France
| | | | - Olivia Zaegell-Faucher
- CHU Sainte-Marguerite, Assistance Publique Hôpitaux de Marseille, Infectious Diseases Department, Marseille, France
| | - Philippe Morlat
- Hôpital Saint André, Internal Medicine and Infectious Diseases Department, CHU, Université de Bordeaux, Bordeaux, France
| | - Romain Palich
- AP-HP Hôpital Pitié-Salpêtrière, Infectious Diseases Department, Paris, France
| | | | - Dominique Costagliola
- Sorbonne Université, INSERM, Institut Pierre Louis d'Épidémiologie et de Santé Publique (IPLESP), 184 rue du Faubourg Saint-Antoine, 75571 Cedex 12, Paris, France
| | - Pierre-Marie Girard
- GHU APHP. Sorbonne Université, Service des Maladies Infectieuses et Tropicales, Hôpital Saint-Antoine, F75012, Paris, France
| | - Roland Landman
- Infectious and Tropical Diseases Department, IAME, UMR 1137, INSERM, Université Paris Diderot, Sorbonne Paris Cité, AP-HP, Hôpital Bichat, AP-HP, Infectious and Tropical Diseases, Paris, France
| | - Lambert Assoumou
- Sorbonne Université, INSERM, Institut Pierre Louis d'Épidémiologie et de Santé Publique (IPLESP), 184 rue du Faubourg Saint-Antoine, 75571 Cedex 12, Paris, France
| | - Laurence Morand-Joubert
- Sorbonne Université, INSERM, Institut Pierre Louis d'Épidémiologie et de Santé Publique (IPLESP), 184 rue du Faubourg Saint-Antoine, 75571 Cedex 12, Paris, France
- AP-HP Hôpital Saint-Antoine, Laboratoire de Virologie, Paris, France
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