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Borjabad B, Inciarte A, Chivite I, Gonzalez-Cordon A, Mosquera M, Hurtado C, Rovira C, Gonzalez T, Sempere A, Torres B, Calvo J, De La Mora L, Martinez-Rebollar M, Laguno M, Foncillas A, Ambrosioni J, Blanch J, Rodriguez A, Solbes E, Llobet R, Berrocal L, Mallolas J, Miro JM, Alcami J, Blanco JL, Sanchez-Palomino S, De Lazzari E, Martinez E. Efficacy and safety of raltegravir plus lamivudine maintenance therapy. J Antimicrob Chemother 2024; 79:255-261. [PMID: 38039097 DOI: 10.1093/jac/dkad364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 11/14/2023] [Indexed: 12/03/2023] Open
Abstract
BACKGROUND Decreasing medication burden with raltegravir plus lamivudine in virologically suppressed persons with HIV (PWH) maintained efficacy and was well tolerated at 24 weeks, but more comprehensive data over longer follow-up are required. METHODS Prospective 48 week extension phase of the raltegravir plus lamivudine arm from a previous 24 week pilot randomized clinical trial in which virologically suppressed PWH were randomized 2:1 to switch to fixed-dose combination 150 mg lamivudine/300 mg raltegravir twice daily or to continue therapy. In this 48 week extension phase, raltegravir was dosed at 1200 mg/day and lamivudine 300 mg/day. Primary outcome was the proportion of PWH with treatment failure at Week 48. Secondary outcomes were changes in ultrasensitive plasma HIV RNA, HIV DNA in CD4 cells, serum IL-6, ultrasensitive C-reactive protein and sCD14, body composition, sleep quality, quality of life and adverse effects. RESULTS Between May 2018 and June 2019, 33 PWH were enrolled. One participant experienced virological failure without resistance mutations and re-achieved sustained virological suppression without therapy discontinuation, and two others discontinued therapy due to adverse effects. Treatment failure was 9% (95% CI 2%-24%) and 3% (95% CI 0%-17%) in the ITT and on-treatment populations. There were significant changes between baseline and Week 48 in serum cytokines but not in other secondary outcomes. CONCLUSIONS Switching to raltegravir and lamivudine in PWH with virological suppression maintains efficacy and is well tolerated. This maintenance regimen might be a cost-effective option for PWH at risk of drug-drug interactions or needing to avoid specific toxicities of certain antiretroviral drugs or their negative impact on comorbidities.
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Affiliation(s)
- Beatriz Borjabad
- Internal Medicine Service, Hospital Moises Broggi, Sant Joan Despí, Spain
| | - Alexy Inciarte
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
| | - Ivan Chivite
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
| | - Ana Gonzalez-Cordon
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Mar Mosquera
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Carmen Hurtado
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
| | - Cristina Rovira
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
| | - Tania Gonzalez
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
| | - Abiu Sempere
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
| | - Berta Torres
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Julia Calvo
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
| | - Lorena De La Mora
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Maria Martinez-Rebollar
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Montserrat Laguno
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Alberto Foncillas
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
| | - Juan Ambrosioni
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Jordi Blanch
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- Internal Medicine Service, Hospital Universitari de Santa Maria, Lleida, Spain
- CIBER de Salud Mental (CIBERSAM), Instituto de Salud Carlos III, Madrid, Spain
| | - Ana Rodriguez
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
| | - Estela Solbes
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
| | - Roger Llobet
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
| | - Leire Berrocal
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
| | - Josep Mallolas
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Jose M Miro
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Jose Alcami
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
- Acquired Immunodeficiency Syndrome (AIDS) Immunopathology Unit, National Center for Microbiology, Institute of Health Carlos III, Majadahonda, Spain
| | - Jose L Blanco
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Sonsoles Sanchez-Palomino
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Elisa De Lazzari
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
| | - Esteban Martinez
- Infectious Diseases Unit, Hospital Clínic, University of Barcelona 08036, Barcelona, Spain
- CIBER de Enfermedades Infecciosas (CIBERINFEC), Instituto de Salud Carlos III, Madrid, Spain
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Tieosapjaroen W, Chow EPF, Fairley CK, Hoy J, Aguirre I, Ong JJ. Weight Change When Initiating, Switching to, and Discontinuing Integrase Strand Transfer Inhibitors in People Living with HIV. AIDS Patient Care STDS 2023; 37:131-137. [PMID: 36809049 DOI: 10.1089/apc.2022.0203] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023] Open
Abstract
Further investigations into the relationship between integrase strand transfer inhibitors (INSTIs) and weight gain are required, especially whether ceasing INSTI results in weight loss. We evaluated weight changes associated with different antiretroviral (ARV) regimens. A retrospective longitudinal cohort study was conducted using data extracted from the electronic clinical database at the Melbourne Sexual Health Centre, Australia, from 2011 to 2021. The association between weight change per time unit and ARV use in people living with HIV (PLWH) and the factors associated with weight changes when using INSTIs were estimated using a generalized estimated equation model. We included 1540 PLWH contributing 7476 consultations and 4548 person-years of data. ARV-naive PLWH initiating INSTIs gained an average of 2.55 kg/year (95% confidence interval 0.56 to 4.54; p = 0.012), while those using protease inhibitors and non-nucleoside reverse transcriptase inhibitors had no significant weight change. When switching off INSTIs, there was no significant weight change (p = 0.055). These weight changes were adjusted for age, gender, time on ARVs, and/or use of tenofovir alafenamide (TAF). Weight gain was the main reason PLWH ceased INSTIs. In addition, risk factors for weight gain in INSTI users were age younger than 60 years, male gender, and concomitant use of TAF. Weight gain was found among PLWH using INSTIs. After INSTI discontinuation, PLWH's weight stopped rising, but no weight loss was observed. Careful weight measurement after initiating INSTIs and early initiation of strategies to avoid weight gain will be important to prevent permanent weight gain and the associated morbidity.
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Affiliation(s)
- Warittha Tieosapjaroen
- Melbourne Sexual Health Centre, Alfred Health, Carlton, Australia.,Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia
| | - Eric P F Chow
- Melbourne Sexual Health Centre, Alfred Health, Carlton, Australia.,Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia.,Centre for Epidemiology and Biostatistics, Melbourne School of Population and Global Health, The University of Melbourne, Melbourne, Australia
| | - Christopher K Fairley
- Melbourne Sexual Health Centre, Alfred Health, Carlton, Australia.,Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia
| | - Jennifer Hoy
- Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia.,Department of Infectious Diseases, Alfred Hospital, Melbourne, Australia
| | - Ivette Aguirre
- Melbourne Sexual Health Centre, Alfred Health, Carlton, Australia
| | - Jason J Ong
- Melbourne Sexual Health Centre, Alfred Health, Carlton, Australia.,Central Clinical School, Faculty of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia.,Faculty of Infectious Diseases, London School of Hygiene and Tropical Medicine, London, United Kingdom
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Hester EK, Greenlee S, Durham SH. Weight Changes With Integrase Strand Transfer Inhibitor Therapy in the Management of HIV Infection: A Systematic Review. Ann Pharmacother 2022; 56:10600280211073321. [PMID: 35130714 DOI: 10.1177/10600280211073321] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To describe weight changes with integrase strand transfer inhibitor (INSTI) therapy. DATA SOURCES A literature search was performed (through December 15, 2021) using the PubMed and CINAHL databases using the search terms: "integrase inhibitors," "integrase strand transfer inhibitors," and "weight." STUDY SELECTION AND DATA EXTRACTION Studies were included that provided relevant information on weight or body mass index (BMI) changes on INSTI therapy. Controlled or observational studies comparing different INSTI therapies or compared INSTI therapy to another class of antiretroviral therapy were included. DATA SYNTHESIS Forty-three articles met criteria for inclusion, and data are presented. Although some trials have observed similar weight gains between INSTI, protease inhibitor, and non-nucleoside inhibitor therapies, the increase appears to be greater with INSTI therapy, particularly during initiation of therapy. Risk factors for weight gain with INSTI therapy include female gender, lower CD4 count, and combined use of tenofovir alafenamide. Within the INSTI class, dolutegravir and bictegravir appear to have the greatest propensity for weight gain. RELEVANCE TO PATIENT CARE AND CLINICAL PRACTICE INSTI-based therapies are the preferred initial management of HIV infection. Discerning the factors contributing to weight changes on INSTI therapy and risks of associated health-related outcomes is important to both the management of weight gain and HIV medical management. CONCLUSIONS Within the INSTI class, dolutegravir and bictegravir may be associated with the greatest risk for weight gain particularly when combined with tenofovir alafenamide. Further research is needed to determine mechanisms for observed weight changes and any contributions to clinically significant metabolic and cardiovascular adverse outcomes associated with INSTI therapy.
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Affiliation(s)
- E Kelly Hester
- Department of Pharmacy Practice, Auburn University Harrison School of Pharmacy, Auburn, AL, USA
| | - Sage Greenlee
- Department of Pharmacy, Houston Methodist Hospital, Houston, TX, USA
| | - Spencer H Durham
- Department of Pharmacy Practice, Auburn University Harrison School of Pharmacy, Auburn, AL, USA
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Calza L, Colangeli V, Borderi M, Testi D, Granozzi B, Bon I, Re MC, Viale P. Simplification to dual therapy containing lamivudine and raltegravir or dolutegravir in HIV-infected patients on virologically suppressive antiretroviral therapy. J Antimicrob Chemother 2021; 75:3327-3333. [PMID: 32728708 DOI: 10.1093/jac/dkaa319] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Accepted: 06/25/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Antiretroviral dual regimens including lamivudine and one boosted PI or dolutegravir are warranted in order to optimize combination ART (cART), prevent long-term toxicity and reduce the cost of treatments. OBJECTIVES We hypothesized that a maintenance dual regimen of lamivudine plus raltegravir would be effective and as well tolerated as the dual maintenance combination of lamivudine plus dolutegravir. METHODS We performed an observational, retrospective study of HIV-infected patients on suppressive ART who switched to a dual regimen containing lamivudine 300 mg once daily plus raltegravir 1200 mg once daily or dolutegravir 50 mg once daily. RESULTS In total, 109 patients (79 men; mean age 46.4 years; mean CD4+ T lymphocyte count 605 cells/mm3) were enrolled. Overall, 50 subjects switched to lamivudine plus raltegravir (Group A) and 59 to lamivudine plus dolutegravir (Group B). After 12 months, 45 patients (90%) in Group A and 52 (88.1%) in Group B had HIV RNA <20 copies/mL. No patients had severe adverse effects in either group, and the percentages of patients with mild adverse effects were comparable, except for a higher incidence of headache and sleeping disturbances in Group B than in Group A (30.5% versus 14%, P < 0.001). A comparable and non-significant weight increase was reported in both groups (+1.91 kg in Group A and +2.28 kg in Group B). CONCLUSIONS In our study, dual therapies containing lamivudine plus raltegravir or dolutegravir in virologically suppressed patients showed high and comparable efficacy, as well as good tolerability.
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Affiliation(s)
- Leonardo Calza
- Clinic of Infectious Diseases, 'Alma Mater Studiorum' University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - Vincenzo Colangeli
- Clinic of Infectious Diseases, 'Alma Mater Studiorum' University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - Marco Borderi
- Clinic of Infectious Diseases, 'Alma Mater Studiorum' University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - Diletta Testi
- Clinic of Infectious Diseases, 'Alma Mater Studiorum' University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - Bianca Granozzi
- Clinic of Infectious Diseases, 'Alma Mater Studiorum' University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - Isabella Bon
- Unit of Microbiology, 'Alma Mater Studiorum' University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - Maria Carla Re
- Unit of Microbiology, 'Alma Mater Studiorum' University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
| | - Pierluigi Viale
- Clinic of Infectious Diseases, 'Alma Mater Studiorum' University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy
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Calza L, Borderi M, Colangeli V, Testi D, Amedeo A, Bon I, Re MC, Viale P. Short Communication: No Significant Changes in Weight and Body Fat Mass in Suppressed HIV-Infected Patients Switched to Dual Combination Lamivudine Plus Dolutegravir or Raltegravir. AIDS Res Hum Retroviruses 2021; 37:204-206. [PMID: 33126811 DOI: 10.1089/aid.2020.0117] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Weight gain associated with integrase inhibitor-based treatment has become a critical issue in the clinical management of HIV infection. We analyzed changes in weight and body fat mass in 54 virologically suppressed patients who switched to lamivudine plus raltegravir or dolutegravir. Overall, after 12 months we reported a not significant increase in weight (median, +1.74 kg; p = .223) and total fat mass (median, +1.13 kg; p = .188), and these changes were comparable between groups. The median change in lumbar spine bone mineral density (BMD) [interquartile range (IQR)] was +0.02 g/cm2 (-0.02, +0.05; p = .786), and the median change in femur neck BMD (IQR) was +0.04 g/cm2 (-0.03, +0.06; p = .598), and changes were comparable between groups. In conclusion, the switch to dolutegravir/lamivudine or raltegravir/lamivudine dual therapy in virologically suppressed patients did not produce significant increases in weight and body fat mass after a 12-month follow-up, in association with not significant changes in BMD.
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Affiliation(s)
- Leonardo Calza
- Unit of Infectious Diseases, Department of Medical and Surgical Sciences, S. Orsola Hospital, “Alma Mater Studiorum” University of Bologna, Bologna, Italy
| | - Marco Borderi
- Unit of Infectious Diseases, Department of Medical and Surgical Sciences, S. Orsola Hospital, “Alma Mater Studiorum” University of Bologna, Bologna, Italy
| | - Vincenzo Colangeli
- Unit of Infectious Diseases, Department of Medical and Surgical Sciences, S. Orsola Hospital, “Alma Mater Studiorum” University of Bologna, Bologna, Italy
| | - Diletta Testi
- Unit of Infectious Diseases, Department of Medical and Surgical Sciences, S. Orsola Hospital, “Alma Mater Studiorum” University of Bologna, Bologna, Italy
| | - Alberto Amedeo
- Unit of Infectious Diseases, Department of Medical and Surgical Sciences, S. Orsola Hospital, “Alma Mater Studiorum” University of Bologna, Bologna, Italy
| | - Isabella Bon
- Unit of Microbiology, S. Orsola Hospital, “Alma Mater Studiorum” University of Bologna, Bologna, Italy
| | - Maria Carla Re
- Unit of Microbiology, S. Orsola Hospital, “Alma Mater Studiorum” University of Bologna, Bologna, Italy
| | - Pierluigi Viale
- Unit of Infectious Diseases, Department of Medical and Surgical Sciences, S. Orsola Hospital, “Alma Mater Studiorum” University of Bologna, Bologna, Italy
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Cadiñanos J, Montejano R, de Miguel Buckley R, Marcelo C, Arribas JR. Risks and benefits of reducing the number of drugs to treat HIV-1 infection. Expert Opin Drug Saf 2021; 20:397-409. [PMID: 33557651 DOI: 10.1080/14740338.2021.1887135] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Introduction: Despite the efficacy and safety of antiretroviral therapy, new treatment options are needed to address the concerns of patients and physicians regarding long-term toxicities, costs, and convenience of lifelong antiretroviral therapy. To achieve this goal, one strategy is to reduce the number of drugs in the antiretroviral regimen.Areas covered: We review the recent evidence on the efficacy and safety of reduced drug regimens and their potential risks and benefits. There is currently strong evidence showing that some two-drug regimens have a comparable efficacy and short-term safety compared to standard three-drug regimens. The fixed-dose combination of dolutegravir/lamivudine is already an alternative for many treatment-naïve and virologically suppressed HIV-1 infected adults supported by large randomized clinical trials. The co-formulation dolutegravir plus rilpivirine is also a switch strategy for maintenance therapy. Long-acting injectable cabotegravir plus rilpivirine has already regulatory approval, and islatravir plus doravirine is an expected option in the near future. Some two-drug regimens have not been as successful.Expert opinion: Long-term safety issues of these two-drug regimens remain to be determined, but with the overwhelming evidence available in virological control and short-term safety, the potential benefits of some of these two-drug regimens appear to outweigh the risks.
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Affiliation(s)
- Julen Cadiñanos
- HIV Unit, Internal Medicine Service, Hospital Universitario La Paz-IdiPAZ, Madrid, Spain
| | - Rocio Montejano
- HIV Unit, Internal Medicine Service, Hospital Universitario La Paz-IdiPAZ, Madrid, Spain
| | - Rosa de Miguel Buckley
- HIV Unit, Internal Medicine Service, Hospital Universitario La Paz-IdiPAZ, Madrid, Spain
| | - Cristina Marcelo
- Internal Medicine Service, Hospital Universitario La Paz-IdiPAZ, Madrid, Spain
| | - Jose R Arribas
- Infectious Diseases Unit, Despacho 3.3. Hospital La Paz. IdiPAZ, Madrid, Spain
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Pérez SE, Chow SP, Kania A, Goldberg R, Badowski ME. Weighing in on the Role of Integrase Strand Transfer Inhibitors (INSTIs) on Weight Gain: Fact or Fiction? Curr Infect Dis Rep 2020. [DOI: 10.1007/s11908-020-00727-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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Switch from tenofovir disoproxil fumarate to raltegravir is not associated with weight gain over 96 weeks. AIDS 2020; 34:789-790. [PMID: 31895147 DOI: 10.1097/qad.0000000000002473] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
: Integrase strand transfer inhibitor-based antiretroviral therapy can cause weight gain. It is unknown if this is a class effect, with limited data regarding raltegravir. In 37 virologically suppressed adults (36 men, mean age 49 years) who switched from tenofovir disoproxil fumarate to raltegravir 400 mg twice daily, mean weight changes from baseline at weeks 24, 48 and 96 were not significant (maximum 0.8 kg at week 24; all P ≥ 0.16). Weight gain may not occur with all integrase strand transfer inhibitors.
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Pierone G, Henegar C, Fusco J, Vannappagari V, Aboud M, Ragone L, Fusco G. Two-drug antiretroviral regimens: an assessment of virologic response and durability among treatment-experienced persons living with HIV in the OPERA ® Observational Database. J Int AIDS Soc 2019; 22:e25418. [PMID: 31802641 PMCID: PMC6893210 DOI: 10.1002/jia2.25418] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 10/22/2019] [Indexed: 11/10/2022] Open
Abstract
INTRODUCTION Two-drug regimens (2-DR) have the potential to be a viable solution to the challenges of treatment complexity, cost, adverse effects and contraindications. We sought to describe the real-world use and effectiveness of 2-DR among persons living with HIV (PLHIV) in the United States. METHODS We analysed data for 10,190 treatment-experienced patients from the OPERA® Observational Database initiating a new 2-DR or three-drug regimen (3-DR) between 1 January 2010 and 30 June 2016. Multivariate Cox Proportional Hazards models were used to estimate the association among 2-DR or 3-DR initiation and virologic suppression (viral load (VL) <50 copies/mL), virologic failure (2 VLs > 200 copies/mL or 1 VL > 200 copies/mL + discontinuation) or regimen discontinuation. RESULTS Patients initiating a 2-DR (n = 1337, 13%) were older, and more likely to have a lower CD4 count, a history of AIDS and comorbid conditions than patients initiating a 3-DR. There was no difference between groups in time to virologic suppression (aHR: 1.00 (95% CI: 0.88, 1.13)) among viraemic patients (baseline VL ≥ 50 copies/mL, n = 4180), or time to virologic failure (aHR: 1.15 (95% CI: 0.90, 1.48)) among virologically stable patients (baseline VL < 50 copies/mL, n = 6010). However, time to discontinuation was shorter following 2-DR than 3-DR initiation (aHR: 1.51 (95% CI: 1.41, 1.61)). CONCLUSIONS In this large cohort of treatment-experienced patients, 2-DR prescriptions were common and more frequent among patients with significant comorbidity. Virologic response was similar, but duration of use was shorter with a 2-DR than a 3-DR, suggesting that 2-DRs may be a virologically effective treatment strategy for treatment-experienced PLHIV with existing comorbidities.
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