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Rodríguez-López ER, López P, Rodríguez Y, Sánchez R, Acevedo VS, Encarnación J, Tirado G, Ortiz-Sánchez C, Mesplède T, Rivera-Amill V. HIV-1 Integrase T218I/S Polymorphisms Do Not Reduce HIV-1 Integrase Inhibitors' Phenotypic Susceptibility. AIDS Res Hum Retroviruses 2024. [PMID: 39086253 DOI: 10.1089/aid.2023.0128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2024] Open
Abstract
The recently Food and Drug Administration (FDA)-approved cabotegravir (CAB) has demonstrated efficacy as an antiretroviral agent for HIV treatment and prevention, becoming an important tool to stop the epidemic in the United States of America (USA). However, the effectiveness of CAB can be compromised by the presence of specific integrase natural polymorphisms, including T97A, L74M, M50I, S119P, and E157Q, particularly when coupled with the primary drug-resistance mutations G140S and Q148H. CAB's recent approval as a pre-exposure prophylaxis (PrEP) may increase the number of individuals taking CAB, which, at the same time, could increase the number of epidemiological implications. In this context, where resistance mutations, natural polymorphisms, and the lack of drug-susceptibility studies prevail, it becomes imperative to comprehensively investigate concerns related to the use of CAB. We used molecular and cell-based assays to assess the impact of T218I and T218S in the context of major resistance mutations G140S/Q148H on infectivity, integration, and resistance to CAB. Our findings revealed that T218I and T218S, either individually or in combination with G140S/Q148H, did not significantly affect infectivity, integration, or resistance to CAB. Notably, these polymorphisms also exhibited neutrality concerning other widely used integrase inhibitors, namely raltegravir, elvitegravir, and dolutegravir. Thus, our study suggests that the T218I and T218S natural polymorphisms are unlikely to undermine the effectiveness of CAB as a treatment and PrEP strategy.
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Affiliation(s)
- Elliott R Rodríguez-López
- RCMI Center for Research Resources, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Pablo López
- RCMI Center for Research Resources, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Yadira Rodríguez
- RCMI Center for Research Resources, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Raphael Sánchez
- RCMI Center for Research Resources, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Van-Sergei Acevedo
- RCMI Center for Research Resources, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Jarline Encarnación
- RCMI Center for Research Resources, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Grissell Tirado
- RCMI Center for Research Resources, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Carmen Ortiz-Sánchez
- RCMI Center for Research Resources, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
| | - Thibault Mesplède
- Viroscience Department, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - Vanessa Rivera-Amill
- RCMI Center for Research Resources, Ponce Research Institute, Ponce Health Sciences University, Ponce, Puerto Rico
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Matsuda EM, da Silva Santos JH, Ahagon CM, López-Lopes GIS, Brígido LFDM. Transmitted Antiretroviral Drug Resistance to Integrase Strand Transfer Inhibitors Class in São Paulo Metropolitan Area, Brazil. AIDS Res Hum Retroviruses 2024. [PMID: 39041595 DOI: 10.1089/aid.2023.0127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/24/2024] Open
Abstract
A newer integrase strand transfer inhibitor (INSTI) cabotegravir was recently approved for both therapy and prophylaxis and can play an essential role in the fight against AIDS. It shares similar resistance profile to dolutegravir, the cornerstone of Brazilian antiretroviral (ARV) treatment, with about 600 thousand people living with HIV in Brazil currently on regimens that contain this INSTI. Health services in the São Paulo metropolitan area are responsible for a large proportion of ARV dispensation in the country. Estimating transmitted drug resistance mutation (TDRM) in the area before cabotegravir introduction may provide a useful baseline information. Partial HIV-1 pol gene was sequenced (Sanger) from 192 newly diagnosed individuals from São Paulo and nearby cities (2020 to March 2023) at integrase, with 85 also at protease/reverse transcriptase regions. Retrotranscribed plasma RNA, amplified with nested PCR, was edited (Recall or Sequencher) and analyzed at Rega and Stanford db. Surveillance drug resistance mutations (SDRM) to INSTI class was detected in three cases (1.6%; 95% CI: 0.5%-5%), two E138K and one R263K, with 7.8% (95% CI: 5%-13%) with resistance mutations (major or accessory). SDRM for nucleoside reverse transcriptase inhibitors, non-nucleoside reverse transcriptase inhibitors, and PI classes were identified in 7 (8.2% CI: 95% 4%-16%) cases. Subtype B predominated (69%), followed by subtype C (16%), now the second most prevalent infection in this area. Among 131 patients treated for over 6 months, 92% were virally suppressed below 200 copies/mL, with low TCD4 counts independently associated to failure. SDRM to INSTI class is rare in the area. Intermediate rates of transmitted resistance to other ARV classes are comparable to previous estimates. Viral suppression rates may depend on TCD4 counts, another negative impact of late diagnosis in care that deserves more attention.
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van Welzen BJ, Van Lelyveld SFL, Ter Beest G, Gisolf JH, Geerlings SE, Prins JM, Van Twillert G, Van Nieuwkoop C, Van der Valk M, Burger D, Wensing AMJ. Virological Failure After Switch to Long-Acting Cabotegravir and Rilpivirine Injectable Therapy: An In-depth Analysis. Clin Infect Dis 2024; 79:189-195. [PMID: 38207125 PMCID: PMC11259215 DOI: 10.1093/cid/ciae016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 12/22/2023] [Accepted: 01/09/2024] [Indexed: 01/13/2024] Open
Abstract
BACKGROUND Long-acting (LA) injectable therapy with cabotegravir (CAB) and rilpivirine (RPV) is currently used as maintenance treatment for human immunodeficiency virus type 1, and has a low risk for virological failure (VF). Although the risk is low, the circumstances and impact of VF in the real-world setting merit further evaluation. METHODS We performed an in-depth clinical, virological, and pharmacokinetic analysis on the reasons behind and the impact of VF during LA CAB/RPV therapy in 5 cases from the Netherlands. Genotypic resistance testing was performed after the occurrence of VF, and drug plasma (trough) concentrations were measured after VF was established and on any other samples to assess on-treatment drug levels. CAB and RPV drug levels that were below the first quartile of the population cutoff (≤Q1) were considered to be low. RESULTS Five cases who were eligible for LA CAB/RPV experienced VF despite a low predicted risk at baseline. Genotypic resistance testing revealed extensive selection of nonnucleoside reverse transcriptase inhibitor-associated mutations in all cases, and integrase strand transfer inhibitor mutations in 4 cases. All cases displayed low drug levels of either CAB, RPV, or both during the treatment course, likely contributing to the occurrence of VF. In 3 cases, we were able to identify the potential mechanisms behind these low drug levels. CONCLUSIONS This is the first in-depth multiple case analysis of VF on LA CAB/RPV therapy in a real-world setting. Our observations stress the need to be aware for (evolving) risk factors and the yield of a comprehensive clinical, virological, and pharmacokinetic approach in case of failure.
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Affiliation(s)
- Berend J van Welzen
- Department of Infectious Diseases, University Medical Center Utrecht, Utrecht, The Netherlands
| | | | - Gerjanne Ter Beest
- Department of Internal Medicine, Rijnstate Hospital, Arnhem, The Netherlands
| | - Jet H Gisolf
- Department of Internal Medicine, Rijnstate Hospital, Arnhem, The Netherlands
| | - Suzanne E Geerlings
- Infectious Diseases, Department of Internal Medicine, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Jan M Prins
- Infectious Diseases, Department of Internal Medicine, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, The Netherlands
| | - Gitte Van Twillert
- Department of Internal Medicine, Noordwest Ziekenhuisgroep, Alkmaar, The Netherlands
| | - Cees Van Nieuwkoop
- Department of Internal Medicine, Haga Teaching Hospital, The Hague, The Netherlands
| | - Marc Van der Valk
- Infectious Diseases, Department of Internal Medicine, Amsterdam University Medical Center, University of Amsterdam, Amsterdam, The Netherlands
- Stichting hiv Monitoring, Amsterdam, The Netherlands
| | - David Burger
- Department of Pharmacy, Institute of Medical Innovation, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Annemarie M J Wensing
- Translational Virology, Department of Medical Microbiology, University Medical Center Utrecht, Utrecht, The Netherlands
- Ezintsha, Department of Health, University of the Witwatersrand, Johannesburg, South Africa
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Mahajan PS, Smith SJ, Li M, Craigie R, Hughes SH, Zhao XZ, Burke TR. N-Substituted Bicyclic Carbamoyl Pyridones: Integrase Strand Transfer Inhibitors that Potently Inhibit Drug-Resistant HIV-1 Integrase Mutants. ACS Infect Dis 2024; 10:917-927. [PMID: 38346249 PMCID: PMC10928719 DOI: 10.1021/acsinfecdis.3c00525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 01/16/2024] [Accepted: 01/23/2024] [Indexed: 03/09/2024]
Abstract
HIV-1 integrase (IN) is an important molecular target for the development of anti-AIDS drugs. A recently FDA-approved second-generation integrase strand transfer inhibitor (INSTI) cabotegravir (CAB, 2021) is being marketed for use in long-duration antiviral formulations. However, missed doses during extended therapy can potentially result in persistent low levels of CAB that could select for resistant mutant forms of IN, leading to virological failure. We report a series of N-substituted bicyclic carbamoyl pyridones (BiCAPs) that are simplified analogs of CAB. Several of these potently inhibit wild-type HIV-1 in single-round infection assays in cultured cells and retain high inhibitory potencies against a panel of viral constructs carrying resistant mutant forms of IN. Our lead compound, 7c, proved to be more potent than CAB against the therapeutically important resistant double mutants E138K/Q148K (>12-fold relative to CAB) and G140S/Q148R (>36-fold relative to CAB). A significant number of the BiCAPs also potently inhibit the drug-resistant IN mutant R263K, which has proven to be problematic for the FDA-approved second-generation INSTIs.
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Affiliation(s)
- Pankaj S Mahajan
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, Maryland 21702, United States
| | - Steven J Smith
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, Maryland 21702, United States
| | - Min Li
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Robert Craigie
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Stephen H Hughes
- HIV Dynamics and Replication Program, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, Maryland 21702, United States
| | - Xue Zhi Zhao
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, Maryland 21702, United States
| | - Terrence R Burke
- Chemical Biology Laboratory, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Frederick, Maryland 21702, United States
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Ripamonti D, Rusconi S, Zazzi M. A cautionary note on entry and exit strategies with long-acting cabotegravir and rilpivirine. AIDS 2024; 38:263-265. [PMID: 38116723 DOI: 10.1097/qad.0000000000003760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Affiliation(s)
| | - Stefano Rusconi
- Infectious Diseases Unit, ASST Ovest Milanese, Legnano General Hospital and DIBIC 'Luigi, Sacco', University of Milan, Milan
| | - Maurizio Zazzi
- Department of Medical Biotechnology, University of Siena, Siena, Italy
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Tao K, Rhee SY, Chu C, Avalos A, Ahluwalia AK, Gupta RK, Jordan MR, Shafer RW. Treatment Emergent Dolutegravir Resistance Mutations in Individuals Naïve to HIV-1 Integrase Inhibitors: A Rapid Scoping Review. Viruses 2023; 15:1932. [PMID: 37766338 PMCID: PMC10536831 DOI: 10.3390/v15091932] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Revised: 09/08/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
Background: Dolutegravir (DTG)-based antiretroviral therapy (ART) rarely leads to virological failure (VF) and drug resistance in integrase strand transfer inhibitor (INSTI)-naïve persons living with HIV (PLWH). As a result, limited data are available on INSTI-associated drug resistance mutations (DRMs) selected by DTG-containing ART regimens. Methods: We reviewed studies published through July 2023 to identify those reporting emergent major INSTI-associated DRMs in INSTI-naïve PLWH receiving DTG and those containing in vitro DTG susceptibility results using a standardized assay. Results: We identified 36 publications reporting 99 PLWH in whom major nonpolymorphic INSTI-associated DRMs developed on a DTG-containing regimen and 21 publications containing 269 in vitro DTG susceptibility results. DTG-selected DRMs clustered into four largely non-overlapping mutational pathways characterized by mutations at four signature positions: R263K, G118R, N155H, and Q148H/R/K. Eighty-two (82.8%) viruses contained just one signature DRM, including R263K (n = 40), G118R (n = 24), N155H (n = 9), and Q148H/R/K (n = 9). Nine (9.1%) contained ≥1 signature DRM, and eight (8.1%) contained just other DRMs. R263K and G118R were negatively associated with one another and with N155H and Q148H/K/R. R263K alone conferred a median 2.0-fold (IQR: 1.8-2.2) reduction in DTG susceptibility. G118R alone conferred a median 18.8-fold (IQR:14.2-23.4) reduction in DTG susceptibility. N155H alone conferred a median 1.4-fold (IQR: 1.2-1.6) reduction in DTG susceptibility. Q148H/R/K alone conferred a median 0.8-fold (IQR: 0.7-1.1) reduction in DTG susceptibility. Considerably higher levels of reduced susceptibility often occurred when signature DRMs occurred with additional INSTI-associated DRMs. Conclusions: Among INSTI-naïve PLWH with VF and treatment emergent INSTI-associated DRMs, most developed one of four signature DRMs, most commonly R263K or G118R. G118R was associated with a much greater reduction in DTG susceptibility than R263K.
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Affiliation(s)
- Kaiming Tao
- Division of Infectious Diseases, Department of Medicine, Stanford University, Stanford, CA 94305, USA; (K.T.)
| | - Soo-Yon Rhee
- Division of Infectious Diseases, Department of Medicine, Stanford University, Stanford, CA 94305, USA; (K.T.)
| | - Carolyn Chu
- Department of Family and Community Medicine, University of California San Francisco, San Francisco, CA 94011, USA
| | - Ava Avalos
- Careen Center for Health, Gaborone, Botswana
| | | | - Ravindra K. Gupta
- Cambridge Institute of Therapeutic Immunology and Infectious Disease (CITIID), Cambridge CB2 0AW, UK
| | - Michael R. Jordan
- Division of Geographic Medicine and Infectious Diseases, Tufts Medical Center, Boston, MA 02111, USA
| | - Robert W. Shafer
- Division of Infectious Diseases, Department of Medicine, Stanford University, Stanford, CA 94305, USA; (K.T.)
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Long-acting cabotegravir/rilpivirine for HIV-1 treatment: real-world evaluation of barriers to implementation. AIDS 2023; 37:689-691. [PMID: 36815522 DOI: 10.1097/qad.0000000000003476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
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Ceña-Diez R, Spetz AL, Sönnerborg A. Synergistic antiviral activity against drug-resistant HIV-1 by naturally occurring dipeptide and A single-stranded oligonucleotide. Drug Resist Updat 2023; 68:100955. [PMID: 36878096 DOI: 10.1016/j.drup.2023.100955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 03/02/2023] [Accepted: 03/02/2023] [Indexed: 03/07/2023]
Abstract
The novel dipeptide WG-am and single-stranded oligonucleotide combination (WG-am:ssON) showed synergistic antiviral activity against HIV-1 integrase-, protease- or reverse transcriptase drug resistant isolates, with over 95% reduction. The highest selectivity indexes were for integrase resistant isolates. WG-am:ssON can be a future option for treatment of HIV drug-resistant strains.
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Affiliation(s)
- Rafael Ceña-Diez
- Division of Infectious Diseases/ANA Futura, Department of Medicine Huddinge, Karolinska Institutet, Alfred Nobels Allé 8, 141 52 Huddinge, Sweden.
| | - Anna-Lena Spetz
- Department of Molecular Biosciences, Wenner-Gren Institute, Stockholm University, 106 91 Stockholm, Sweden
| | - Anders Sönnerborg
- Division of Infectious Diseases/ANA Futura, Department of Medicine Huddinge, Karolinska Institutet, Alfred Nobels Allé 8, 141 52 Huddinge, Sweden; Division of Clinical Microbiology, Department of Laboratory Medicine, Karolinska Institutet, 141 52 Huddinge, Sweden
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Overmars RJ, Krullaars Z, Mesplède T. Investigational drugs for HIV: trends, opportunities and key players. Expert Opin Investig Drugs 2023; 32:127-139. [PMID: 36751107 DOI: 10.1080/13543784.2023.2178415] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
INTRODUCTION Since the first antiretroviral drug was described, the field of HIV treatment and prevention has undergone two drug-based revolutions: the first one, enabled by the virtually concomitant discovery of non-nucleoside reverse transcriptase and protease inhibitors, was the inception of combined antiretroviral therapy. The second followed the creation of integrase strand-transfer inhibitors with improved safety, potency, and resistance profiles. Long-acting antiretroviral drugs, including broadly neutralizing antibodies, now offer the opportunity for a third transformational change in HIV management. AREAS COVERED Our review focused on HIV treatment and prevention with investigational drugs that offer the potential for infrequent dosing, including drugs not yet approved for clinical use. We also discussed approved drugs for which administration modalities or formulations are being optimized. We performed a literature search in published manuscripts, conference communications, and registered clinical trials. EXPERT OPINION While the field focuses on extending dosing intervals, we identify drug tissue penetration as an understudied opportunity to improve HIV care. We repeat that self-administration remains an essential milestone to reach the full potential of long-acting drugs. Treatments and prevention strategies based on broadly neutralizing antibodies require a deeper understanding of their antiretroviral properties.
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Affiliation(s)
- Ronald J Overmars
- Viroscience Department, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Zoë Krullaars
- Viroscience Department, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Thibault Mesplède
- Viroscience Department, Erasmus Medical Center, Rotterdam, The Netherlands
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