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Osuala EC, Naidoo A, Dooley KE, Naidoo K, Perumal R. Broadening access to tenofovir alafenamide for the treatment and prevention of HIV-1 infection. Expert Rev Clin Pharmacol 2023; 16:939-957. [PMID: 37612306 PMCID: PMC10613124 DOI: 10.1080/17512433.2023.2251387] [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: 06/04/2023] [Accepted: 08/21/2023] [Indexed: 08/25/2023]
Abstract
INTRODUCTION Tenofovir alafenamide (TAF), a prodrug of tenofovir, achieves higher intracellular concentrations of tenofovir-diphosphate and 90% lower plasma concentrations of tenofovir compared to tenofovir disoproxil fumarate (TDF). TAF is associated with improved renal and bone safety outcomes. AREAS COVERED We review the efficacy and safety of TAF-containing regimens in adults and pediatrics. We highlight safety data during pregnancy, drug interactions during co-administration with tuberculosis treatment, and critical knowledge gaps to be addressed for the successful implementation of TAF in low- and middle-income countries. We performed a search on MEDLINE PubMed and conference websites for relevant articles published from January 2010 to March 2023. EXPERT OPINION Current evidence demonstrates that TAF has similar efficacy and tolerability, superior bone and renal safety, and higher rates of dyslipidemia and weight gain, compared with TDF. However, there are several knowledge gaps, in specific sub-populations, that require action. Emerging data suggests that TAF is safe during pregnancy, although fuller safety data to support TAF use in pregnancy is needed. Similarly, there is a lack of evidence that TAF can be used in combination with rifamycin-based tuberculosis treatment in PWH and TB. Further studies are needed to fill knowledge gaps and support the wider rollout of TAF.
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Affiliation(s)
- Emmanuella Chinonso Osuala
- Center for the AIDS Program of Research in South Africa (CAPRISA), Nelson R Mandela School of Medicine, University of KwaZulu Natal, Durban, South Africa
- Discipline of Pharmacology, College of Health Sciences, University of KwaZulu-Natal, Durban, South Africa
| | - Anushka Naidoo
- Center for the AIDS Program of Research in South Africa (CAPRISA), Nelson R Mandela School of Medicine, University of KwaZulu Natal, Durban, South Africa
| | - Kelly E Dooley
- Division of Infectious Diseases, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - Kogieleum Naidoo
- Center for the AIDS Program of Research in South Africa (CAPRISA), Nelson R Mandela School of Medicine, University of KwaZulu Natal, Durban, South Africa
- MRC-CAPRISA HIV-TB Pathogenesis and Treatment Research Unit, Doris Duke Medical Research Institute, University of KwaZulu-Natal, Durban, South Africa
| | - Rubeshan Perumal
- Center for the AIDS Program of Research in South Africa (CAPRISA), Nelson R Mandela School of Medicine, University of KwaZulu Natal, Durban, South Africa
- MRC-CAPRISA HIV-TB Pathogenesis and Treatment Research Unit, Doris Duke Medical Research Institute, University of KwaZulu-Natal, Durban, South Africa
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Sekiya R, Muramatsu T, Ichiki A, Chikasawa Y, Bingo M, Yotsumoto M, Hagiwara T, Amano K, Kinai E. Young age is a key determinant of body weight gain after switching from tenofovir disoproxil fumarate to tenofovir alafenamide in Japanese people living with HIV. J Infect Chemother 2023; 29:171-178. [PMID: 37589078 DOI: 10.1016/j.jiac.2022.10.014] [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: 08/30/2022] [Revised: 10/18/2022] [Accepted: 10/22/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Treatment with tenofovir alafenamide fumarate (TAF) is associated with body weight gain. However, little or no information is available on this issue in Asian populations. METHODS This single-center retrospective study included Japanese people living with HIV (PLWH) who satisfied the following criteria; 1) switching from TDF to TAF after HIV-suppression, 2) follow-up for ≥2 years while on TDF and TAF, and 3) no switching of the third antiretroviral agent. Changes in annual body weight and lipid profiles were compared between the TDF and TAF periods. RESULTS Of 328 patients, dolutegravir (DTG) was used in 118 PLWH. Overall, no significant difference in weight gain was observed between TDF and TAF (0.76 vs. 0.9 kg/year, p = 0.331). In TAF-period, younger (<50 years of age) group showed significantly greater weight gain than older group (1.03 vs. 0.12 kg/year, p = 0.037). In DTG group, weight gain was larger in TAF-period (0.74 vs. 1.31 kg/year, p = 0.046), especially in younger subgroup (1.43 kg/year) compared with older one (-0.12 kg/year). Multivariate regression analysis showed that TAF was not associated with weight gain (estimates 0.201, p = 0.170) except for DTG group, whereas young age was associated with weight gain in all subjects (estimates -0.033/1 year older, p < 0.001), DTG, RAL, and EFV groups. CONCLUSION In Japanese PLWH, annual body weight change was comparable in TDF- and TAF-period, while TAF plus DTG correlated with weight gain. Since young age was a key determinant of weight change, careful interpretation is needed for TAF-associated weight gain.
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Affiliation(s)
- Ryoko Sekiya
- Department of Laboratory Medicine, Tokyo Medical University Hospital, Tokyo, Japan; Department of Diabetes, Tokyo Metropolitan Komagome Hospital, Tokyo, Japan
| | - Takashi Muramatsu
- Department of Laboratory Medicine, Tokyo Medical University Hospital, Tokyo, Japan
| | - Akito Ichiki
- Department of Laboratory Medicine, Tokyo Medical University Hospital, Tokyo, Japan
| | - Yushi Chikasawa
- Department of Laboratory Medicine, Tokyo Medical University Hospital, Tokyo, Japan
| | - Masato Bingo
- Department of Laboratory Medicine, Tokyo Medical University Hospital, Tokyo, Japan
| | - Mihoko Yotsumoto
- Department of Laboratory Medicine, Tokyo Medical University Hospital, Tokyo, Japan
| | - Takeshi Hagiwara
- Department of Laboratory Medicine, Tokyo Medical University Hospital, Tokyo, Japan
| | - Kagehiro Amano
- Department of Laboratory Medicine, Tokyo Medical University Hospital, Tokyo, Japan
| | - Ei Kinai
- Department of Laboratory Medicine, Tokyo Medical University Hospital, Tokyo, Japan.
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Zhang Q, Liang J, Yin J, Jiang Y, Yu N, Liao X, Zhao S, Wu L, Fan R. Real-life impact of tenofovir disoproxil fumarate and entecavir therapy on lipid profile, glucose, and uric acid in chronic hepatitis B patients. J Med Virol 2022; 94:5465-5474. [PMID: 35794065 DOI: 10.1002/jmv.27977] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 06/16/2022] [Accepted: 07/05/2022] [Indexed: 12/15/2022]
Abstract
The impact of long-term nucleos(t)ide analogs treatment on host metabolism is a concern. Hence, we conducted this study to compare the effect of entecavir (ETV) and tenofovir disoproxil fumarate (TDF) on metabolic parameters among chronic hepatitis B (CHB) patients. In this real-life retrospective study, 2030 CHB outpatients treated with ETV or TDF at Nanfang Hospital, China, were included. For treatment-naïve patients, pretreatment and semiannual metabolic parameters were collected. For treatment-experienced patients, metabolic parameters were collected at the first visit. Propensity score matching (PSM) was used to balance the effects of potential confounding factors. Among 122 treatment-naïve patients and 1908 treatment-experienced patients, ETV-treated patients were older with a higher percentage of metabolic syndrome. After PSM, the characteristics were comparable between the two groups. For treatment-naïve patients, four lipid parameters, including total cholesterol (TC), low-density lipoprotein (LDL), high-density lipoprotein, and triglyceride levels showed a decreasing trend during the 42-month TDF treatment, while they remained relatively stable or increased during ETV treatment. At Month 30, the levels of TC and LDL among TDF-treated patients were significantly lower than those among ETV-treated patients (TC: 4.7 mmol/L vs. 3.9 mmol/L, p = 0.004; LDL: 3.0 mmol/L vs. 2.4 mmol/L, p = 0.009). For treatment-experienced patients, we also observed lower levels of lipid parameters in patients with different durations of TDF treatment. The levels of glucose and uric acid were similar among ETV- and TDF-treated patients. TDF has a lipid-lowering effect in CHB patients, which provides a basis for the selection of antiviral drugs for aging CHB patients.
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Affiliation(s)
- Qi Zhang
- Department of Infectious Diseases and Hepatology Unit, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jinlin Liang
- Department of Infectious Diseases and Hepatology Unit, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Junhua Yin
- Department of Infectious Diseases and Hepatology Unit, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yiyue Jiang
- Department of Infectious Diseases and Hepatology Unit, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Ning Yu
- Department of Infectious Diseases and Hepatology Unit, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Xingmei Liao
- Department of Infectious Diseases and Hepatology Unit, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Siru Zhao
- Department of Infectious Diseases and Hepatology Unit, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Leyuan Wu
- Department of Infectious Diseases and Hepatology Unit, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Rong Fan
- Department of Infectious Diseases and Hepatology Unit, State Key Laboratory of Organ Failure Research, Guangdong Provincial Key Laboratory of Viral Hepatitis Research, Nanfang Hospital, Southern Medical University, Guangzhou, China
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Diggins CE, Russo SC, Lo J. Metabolic Consequences of Antiretroviral Therapy. Curr HIV/AIDS Rep 2022; 19:141-153. [PMID: 35299263 DOI: 10.1007/s11904-022-00600-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/26/2022] [Indexed: 02/06/2023]
Abstract
PURPOSE OF REVIEW This review reports on published studies describing metabolic changes associated with antiretroviral therapy (ART) to treat HIV disease including a historical perspective of earlier ART agents, but with the main focus on newer ART agents currently in use. RECENT FINDINGS Studies from different countries around the world have shown that integrase inhibitor (INSTI)-based regimens as well as tenofovir alafenamide (TAF) are associated with weight gain, with women and people of black race at especially high risk. Some studies preliminarily suggest worsened metabolic outcomes associated with this weight gain including adverse effects on glucose homeostasis. Antiretroviral therapy can affect weight, adipose tissue, glucose, and lipids. As obesity is prevalent and increasing among people with HIV, awareness of risk factors for weight gain, including the ART medications associated with greater weight gain, are needed in order to inform prevention efforts. Further research is needed to better understand the long-term health consequences of INSTI- and TAF-associated weight increases.
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Affiliation(s)
- Caroline E Diggins
- Metabolism Unit, Division of Endocrinology, Massachusetts General Hospital, LON-207, 55 Fruit Street, Boston, MA, 02114, USA
| | - Samuel C Russo
- Metabolism Unit, Division of Endocrinology, Massachusetts General Hospital, LON-207, 55 Fruit Street, Boston, MA, 02114, USA
| | - Janet Lo
- Metabolism Unit, Division of Endocrinology, Massachusetts General Hospital, LON-207, 55 Fruit Street, Boston, MA, 02114, USA.
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Chang HH. Weight Gain and Metabolic Syndrome in Human Immunodeficiency Virus Patients. Infect Chemother 2022; 54:220-235. [PMID: 35706080 PMCID: PMC9259920 DOI: 10.3947/ic.2022.0061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 05/16/2022] [Indexed: 12/31/2022] Open
Abstract
While human immunodeficiency virus (HIV)-associated wasting has declined with significant advances in antiretroviral therapy (ART), weight gain and metabolic syndrome (MetS) are now becoming a problem for people living with HIV (PLWH) worldwide. The development of a new and more effective ART regimen has increased viral suppression and improved immunologic function recovery, leading to the extension of the lifespan of PLWH. It has recently been reported as one of the significant factors associated with weight gain, obesity, and long-term metabolic consequences in PLWH. This article reviewed the epidemiology of overweight and MetS among PLWH and the known risk factors for weight gain and its major comorbidities, such as dyslipidemia, diabetes mellitus, cardiovascular diseases, neurocognitive disorders, and liver diseases, in PLWH. In addition, reports on the pharmacological and surgical management of overweight and obesity in PLWH has been briefly summarized.
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Affiliation(s)
- Hyun-Ha Chang
- Division of Infectious Diseases, Department of Internal Medicine, School of Medicine, Kyungpook National University, Daegu, Korea
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Wood BR, Huhn GD. Excess Weight Gain With Integrase Inhibitors and Tenofovir Alafenamide: What Is the Mechanism and Does It Matter? Open Forum Infect Dis 2021; 8:ofab542. [PMID: 34877366 PMCID: PMC8643706 DOI: 10.1093/ofid/ofab542] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 10/28/2021] [Indexed: 12/16/2022] Open
Abstract
Numerous studies have detected a greater likelihood of excess weight gain with specific antiretrovirals (ARVs), particularly tenofovir alafenamide and integrase inhibitors, as compared with other agents and classes. The long-term implications and potential reversibility for individuals who have experienced substantial ARV-associated weight accumulation remain poorly understood. Furthermore, the underlying mechanism remains controversial: Is the explanation mitochondrial toxicity and weight suppression from the older agents or direct effects of the newer drugs on appetite, adipocytes, or other unintended targets? This review discusses proposed mechanisms and evidence to date and argues that the question about mechanism is highly clinically relevant because it carries significant implications for ARV management. The existing literature suggests that older ARVs, such as tenofovir disoproxil fumarate and efavirenz, suppress weight gain, but also that integrase inhibitors may stimulate excess weight gain through several plausible biologic pathways. Confirming the mechanisms of ARV-associated excess weight gain should be high priority for future research.
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Affiliation(s)
- Brian R Wood
- Division of Allergy and Infectious Diseases, University of Washington, Seattle, Washington, USA
| | - Gregory D Huhn
- Division of Infectious Diseases, Cook County Health, Chicago, Illinois, USA.,Division of Infectious Disesases, Rush University Medical Center, Chicago, Illinois, USA
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Jeong S, Shin HP, Kim HI. Real-World Single-Center Comparison of the Safety and Efficacy of Entecavir, Tenofovir Disoproxil Fumarate, and Tenofovir Alafenamide in Patients with Chronic Hepatitis B. Intervirology 2021; 65:94-103. [PMID: 34731856 DOI: 10.1159/000519440] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 08/30/2021] [Indexed: 11/19/2022] Open
Abstract
INTRODUCTION Chronic hepatitis B (CHB) is a major cause of chronic liver diseases and tenofovir disoproxil fumarate (TDF), tenofovir alafenamide (TAF), and entecavir (ETV) are recommended as primary treatments. This study aimed to evaluate the efficacy and safety of ETV, TDF, and TAF in a real-world clinical setting. METHODS In this retrospective cohort study, a total of 363 CHB patients who were treated with ETV (n = 163), TDF (n = 154), or TAF (n = 46) from July 2007 to September 2019 were enrolled. RESULTS Median patient age was 51 years and 66.4% of patients were male. Median duration of treatment with ETV, TDF, or TAF was 49.0 months (interquartile range, 27.0-74.0 months). In terms of safety, cholesterol was mildly increased in the ETV and TAF groups and significantly lowered in the TDF group than baseline (p < 0.001). There was no significant difference in liver cirrhosis-related complications among the 3 groups at 48 weeks (p = 0.235). Hepatitis B e antigen seroconversion, complete virological response, and alanine aminotransferase normalization at 48 weeks as measures of treatment efficacy were not significantly different among the 3 groups (p = 0.142, 0.538, and 0.520, respectively). There was also no significant difference in cumulative incidence rate of hepatocellular carcinoma (HCC) between the ETV and TDF groups (p = 0.894). CONCLUSIONS ETV, TDF, and TAF were safe antiviral agents and showed similar antiviral effect for CHB at 48 weeks. Cirrhosis-related complications and annual HCC incidence rates did not differ significantly between the ETV and TDF groups over the 48 week follow-up period.
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Affiliation(s)
- Sara Jeong
- Department of Gastroenterology and Hepatology, Kyung Hee University College of Medicine, Kyung Hee University Hospital at Gangdong, Seoul, Republic of Korea
| | - Hyun Phil Shin
- Department of Gastroenterology and Hepatology, Kyung Hee University College of Medicine, Kyung Hee University Hospital at Gangdong, Seoul, Republic of Korea
| | - Ha Il Kim
- Department of Gastroenterology and Hepatology, Kyung Hee University College of Medicine, Kyung Hee University Hospital at Gangdong, Seoul, Republic of Korea
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Prazuck T, Verdon R, Le Moal G, Ajana F, Bernard L, Sunder S, Roncato-Saberan M, Ponscarme D, Etienne M, Viard JP, Pasdeloup T, Darasteanu I, Pialoux G, de la Blanchardière A, Avettand-Fènoël V, Parienti JJ, Hocqueloux L. Tenofovir disoproxil fumarate and emtricitabine maintenance strategy in virologically controlled adults with low HIV-1 DNA: 48 week results from a randomized, open-label, non-inferiority trial. J Antimicrob Chemother 2021; 76:1564-1572. [PMID: 33724373 DOI: 10.1093/jac/dkab038] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 01/21/2021] [Indexed: 11/12/2022] Open
Abstract
OBJECTIVES Low HIV reservoirs may be associated with viral suppression under a lower number of antiretroviral drugs. We investigated tenofovir disoproxil fumarate/emtricitabine as a maintenance strategy in people living with HIV (PLHIV) with low HIV-DNA. METHODS TRULIGHT (NCT02302547) was a multicentre, open-label, randomized trial comparing a simplification to tenofovir disoproxil fumarate/emtricitabine versus a triple regimen continuation (tenofovir disoproxil fumarate/emtricitabine with a third agent, control arm) in virologically suppressed adults with HIV-DNA <2.7 log10 copies/106 PBMCs and no prior virological failure (VF). The primary endpoint (non-inferiority margin 12%) was the percentage of participants with a plasma viral load (pVL) <50 copies/mL in ITT (Snapshot approach) and PP analyses at Week 48 (W48). RESULTS Of the 326 participants screened, 223 (68%) were randomized to the tenofovir disoproxil fumarate/emtricitabine arm (n = 113) or control arm (n = 110). At W48, the tenofovir disoproxil fumarate/emtricitabine and control arms maintained a pVL < 50 copies/mL in 100/113 (88.5%) and 100/110 (90.9%) participants, respectively (ITT difference 2.4%, 95% CI -5.9 to 10.7; PP difference 3.4%, 95% CI -4.2 to 11.0). Six VFs occurred in the tenofovir disoproxil fumarate/emtricitabine arm (two with emerging mutations M184V and K65R) versus two in the control arm (ITT difference 3.5%, 95% CI -1.9 to 9.4). All VFs were resuppressed after treatment modification. CONCLUSIONS Although non-inferiority was shown, simplification to tenofovir disoproxil fumarate/emtricitabine should not be used for most PLHIV because of a low risk of VF with resistance.
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Affiliation(s)
- Thierry Prazuck
- Service des Maladies Infectieuses et Tropicales, CHR d'Orléans-La Source, Orléans, France
| | - Renaud Verdon
- Service des Maladies Infectieuses, CHU Côte de Nacre, Caen, France
| | - Gwenaël Le Moal
- Service des Maladies Infectieuses, CHU La Milétrie, Poitiers, France
| | - Faïza Ajana
- Service des Maladies Infectieuses, CHU Lille Tourcoing, France
| | - Louis Bernard
- Service des Maladies Infectieuses, CHU Bretonneau, Tours, France
| | - Simon Sunder
- Service des Maladies Infectieuses et Tropicales, CHG de Niort, Niort, France
| | - Mariam Roncato-Saberan
- Service des Maladies Infectieuses, Groupe Hospitalier de La Rochelle-Ré - Aunis, La Rochelle, France
| | - Diane Ponscarme
- Service des Maladies Infectieuses, CHU Saint-Louis, Paris, France
| | - Manuel Etienne
- Service des Maladies Infectieuses, CHU de Rouen, Rouen, France
| | - Jean-Paul Viard
- Centre de Diagnostic et Thérapeutique, Hôtel-Dieu, Paris, France
| | | | | | - Gilles Pialoux
- Service des Maladies Infectieuses, CHU Tenon, Paris, France
| | | | - Véronique Avettand-Fènoël
- Université de Paris, Faculté de Médecine, INSERM, U1016, CNRS, UMR8104, Laboratoire de Microbiologie clinique, unité de virologie, CHU Necker, Paris, France
| | - Jean-Jacques Parienti
- Service des Maladies Infectieuses, CHU Côte de Nacre, Caen, France.,EA 2656 GRAM 2.0, Caen Université, Caen, France
| | - Laurent Hocqueloux
- Service des Maladies Infectieuses et Tropicales, CHR d'Orléans-La Source, Orléans, France
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Sun LQ, Liu JY, He Y, Zhou Y, Xu LM, Zhang LK, Zhao F, Liu XN, Song Y, Cao TZ, Tian YM, Rao M, Wang H. Evolution of blood lipids and risk factors of dyslipidemia among people living with human immunodeficiency virus who had received first-line antiretroviral regimens for 3 years in Shenzhen. Chin Med J (Engl) 2020; 133:2808-2815. [PMID: 33273329 PMCID: PMC10631593 DOI: 10.1097/cm9.0000000000001245] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Lipid abnormalities are prevalent among people living with human immunodeficiency virus (HIV) (PLWH) and contribute to increasing risk of cardiovascular events. This study aims to investigate the incidence of dyslipidemia and its risk factors in PLWH after receiving different first-line free antiretroviral regimens. METHODS PLWH who sought care at the Third People's Hospital of Shenzhen from January 2014 to December 2018 were included, and the baseline characteristics and clinical data during the follow-up were collected, including total cholesterol (TC), triglyceride (TG), low-density lipoprotein cholesterol (LDL-C) and high-density lipoprotein cholesterol (HDL-C). The risk factors of dyslipidemia after antiretroviral therapy were analyzed with the generalized estimating equation model. RESULTS Among the 7623 PLWH included, the mean levels of TC, HDL-C and LDL-C were 4.23 ± 0.85 mmol/L, 1.27 ± 0.29 mmol/L and 2.54 ± 0.65 mmol/L, respectively, and the median TG was 1.17 (IQR: 0.85-1.68) mmol/L. Compared with that in PLWH receiving tenofovir disoproxil fumarate (TDF) + lamivudine (3TC) + ritonavir-boosted lopinavir (LPV/r), zidovudine (AZT) + 3TC + efavirenz (EFV), and AZT + 3TC + LPV/r, the incidence of dyslipidemia was lower in PLWH receiving TDF + 3TC + EFV. In multivariate analysis, we found that the risks of elevations of TG, TC, and LDL-C were higher with TDF + 3TC + LPV/r (TG: odds ratio [OR] = 2.82, 95% confidence interval [CI]: 2.55-3.11, P < 0.001; TC: OR = 1.24, 95% CI: 1.14-1.35, P < 0.001; LDL: OR = 1.06, 95% CI: 1.00-1.12, P = 0.041), AZT + 3TC + EFV (TG: OR = 1.41, 95% CI: 1.28-1.55, P < 0.001; TC: OR = 1.43, 95% CI: 1.31-1.56, P < 0.001; LDL: OR = 1.18, 95% CI: 1.12-1.25, P < 0.001), and AZT + 3TC + LPV/r (TG: OR = 3.08, 95% CI: 2.65-3.59, P < 0.001; TC: OR = 2.40, 95% CI: 1.96-2.94, P < 0.001; LDL: OR = 1.52, 95% CI: 1.37-1.69, P < 0.001) than with TDF + 3TC + EFV, while treatment with TDF + 3TC + LPV/r was less likely to restore HDL-C levels compared with TDF + 3TC + EFV (OR = 0.95, 95% CI: 0.92-0.97, P < 0.001). In addition to antiretroviral regimens, antiretroviral therapy duration, older age, overweight, obesity and other traditional factors were also important risk factors for dyslipidemia. CONCLUSION The incidence of dyslipidemia varies with different antiretroviral regimens, with TDF + 3TC + EFV having lower risk for dyslipidemia than the other first-line free antiretroviral regimens in China.
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Affiliation(s)
- Li-Qin Sun
- Department of Infectious Diseases, The Third People's Hospital of Shenzhen, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen, Guangdong 518100, China
| | - Jia-Ye Liu
- National Clinical Research Center for Infectious Diseases, The Third People's Hospital of Shenzhen, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen, Guangdong 518100, China
| | - Yun He
- Department of Infectious Diseases, The Third People's Hospital of Shenzhen, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen, Guangdong 518100, China
| | - Yang Zhou
- Department of Infectious Diseases, The Third People's Hospital of Shenzhen, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen, Guangdong 518100, China
| | - Liu-Mei Xu
- Department of Infectious Diseases, The Third People's Hospital of Shenzhen, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen, Guangdong 518100, China
| | - Lu-Kun Zhang
- Department of Infectious Diseases, The Third People's Hospital of Shenzhen, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen, Guangdong 518100, China
| | - Fang Zhao
- Department of Infectious Diseases, The Third People's Hospital of Shenzhen, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen, Guangdong 518100, China
| | - Xiao-Ning Liu
- Department of Infectious Diseases, The Third People's Hospital of Shenzhen, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen, Guangdong 518100, China
| | - Ying Song
- Department of Infectious Diseases, The Third People's Hospital of Shenzhen, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen, Guangdong 518100, China
| | - Ting-Zhi Cao
- Department of Infectious Diseases, The Third People's Hospital of Shenzhen, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen, Guangdong 518100, China
| | - Yi-Mei Tian
- Department of Infectious Diseases, The Third People's Hospital of Shenzhen, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen, Guangdong 518100, China
| | - Man Rao
- Department of Infectious Diseases, The Third People's Hospital of Shenzhen, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen, Guangdong 518100, China
| | - Hui Wang
- Department of Infectious Diseases, The Third People's Hospital of Shenzhen, The Second Affiliated Hospital of Southern University of Science and Technology, Shenzhen, Guangdong 518100, China
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10
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Petrakis V, Panagopoulos P, Papachristou S, Papanas N, Terzi I, Trypsianis G, Papazoglou D. Tenofovir Alafenamide Fumarate Therapy for HIV Treatment: Cardiometabolic and Renal Safety. AIDS Res Hum Retroviruses 2020; 36:697-702. [PMID: 32527142 DOI: 10.1089/aid.2019.0280] [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: 11/13/2022] Open
Abstract
Antiretroviral treatment based on tenofovir alafenamide fumarate (TAF) is increasingly recommended, as it maintains the viral suppression and improves renal function and bone density in comparison with tenofovir disoproxil fumarate (TDF). We carried out a retrospective cohort study including experienced patients who switched treatment from TDF to TAF. Serum lipids and glucose, renal function, body mass index (BMI), and cardiovascular risk were evaluated before and 3 and 6 months after the initiation of TAF-based treatment. We identified 85 patients on TAF-based treatment. The majority were men (82.9%), smokers (70%), and older than 40 years. Significant increases in lipids and BMI were noted, but cardiovascular risk remained <7.5%. Renal function remained normal with a notable improvement among patients with renal impairment. These results suggest that TAF has no significant effect on glucose and does not meaningfully increase cardiovascular risk, despite an elevation in serum lipids. It also exhibits renal safety. However, the increase of BMI was significant. Further studies are needed to confirm these findings in larger patient series and over longer follow-up periods.
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Affiliation(s)
- Vasilis Petrakis
- HIV Unit, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupoli, Greece
| | - Periklis Panagopoulos
- HIV Unit, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupoli, Greece
| | - Stella Papachristou
- HIV Unit, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupoli, Greece
| | - Nikolaos Papanas
- HIV Unit, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupoli, Greece
| | - Irene Terzi
- HIV Unit, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupoli, Greece
| | - Grigorios Trypsianis
- Department of Medical Statistics, Democritus University of Thrace, Alexandroupoli, Greece
| | - Dimitrios Papazoglou
- HIV Unit, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupoli, Greece
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Investigating the effect of antiretroviral switch to tenofovir alafenamide on lipid profiles in people living with HIV. AIDS 2020; 34:1161-1170. [PMID: 32310899 DOI: 10.1097/qad.0000000000002541] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
BACKGROUND Whilst reporting improved renal and bone safety profiles, studies have noted changes in lipid profiles among people living with HIV (PLWH) receiving antiretroviral therapy (ART) switching away from tenofovir disoproxil fumarate (TDF) to tenofovir alafenamide (TAF). We aimed to characterize changes in lipids observed after switching to TAF-containing ART in a real-world setting. METHODS A prospective study on PLWH enrolled in the UCD-ID Cohort study who switched to TAF-containing ART. Routine laboratory data [including lipids (total cholesterol (TC), high-density lipoprotein (HDL), low-density lipoprotein (LDL) and triglycerides], ART history and use of lipid-lowering therapy (LLT) were analysed preswitch and postswitch to TAF. Dyslipidaemia was classified according to the National Cholesterol Education Program-Adult Panel III (NCEP-ATP III). Change in lipid parameters and change in the proportion of individuals with dyslipidaemia postswitch was assessed using the paired t-test and the Stuart--Maxwell test, respectively. RESULTS Of 775 PLWH enrolled in the cohort, 238 switched to TAF containing ART, of whom 194 had both preswitch and postswitch lipids measured a median (IQR) 24 (14-41) weeks postswitch to TAF. TC, LDL, HDL, triglycerides and TC : HDL ratio significantly increased postswitch [mean change (SE) mmol/l; +0.37 (0.06), P < 0.001; +0.25 (0.06), P < 0.001; +0.05 (0.02), P = 0.003, +0.13 (0.07), P = 0.02, and +0.16 (0.08), P = 0.013) respectively]. There were significant increases in the proportions of PLWH with more severe dyslipidaemia postswitch across TC and LDL (both P < 0.001). CONCLUSION These data suggest clinically relevant, worsening lipid profiles postswitch to TAF, with a larger proportion of PLWH exceeding recommended lipid thresholds postswitch. How these changes will impact on cardiovascular risk or need for LLT remains to be determined.
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Huhn GD, Shamblaw DJ, Baril JG, Hsue PY, Mills BL, Nguyen-Cleary T, McCallister S, Das M. Atherosclerotic Cardiovascular Disease Risk Profile of Tenofovir Alafenamide Versus Tenofovir Disoproxil Fumarate. Open Forum Infect Dis 2020; 7:ofz472. [PMID: 31950070 PMCID: PMC6954396 DOI: 10.1093/ofid/ofz472] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 11/02/2019] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND In human immunodeficiency virus (HIV) treatment, tenofovir alafenamide (TAF) is associated with greater increases in all fasting cholesterol subgroups compared with tenofovir disoproxil fumarate (TDF). Because lipid abnormalities may contribute to cardiovascular morbidity and mortality, cardiovascular risk assessment is integral to routine HIV care. This post hoc study evaluates the impact of lipid changes on predicted atherosclerotic cardiovascular disease (ASCVD) risk and statin eligibility in treatment-naive adults living with HIV treated with TAF or TDF. METHODS Participants (N = 1744) were randomized (1:1) to initiate TAF or TDF, each coformulated with elvitegravir/cobicistat/emtricitabine (studies GS-US-292-0104 and GS-US-292-0111). Eligibility for statin therapy and estimated 10-year ASCVD risk among adults aged 40-79 years treated with TAF or TDF for 96 weeks (W96) were analyzed based on American College of Cardiology/American Heart Association Pooled Cohort Equations. Categorical shifts in 10-year ASCVD risk from <7.5% to ≥7.5% by W96 on TAF versus TDF were calculated. RESULTS Participants initiating TAF versus TDF in the overall study population showed small but significant increases in median fasting lipid parameters at W96, including total cholesterol (191 vs 177 mg/dL; P < .001), low-density lipoprotein ([LDL] 119 vs 112 mg/dL; P < .001), and high-density lipoprotein ([HDL] 51 vs 48 mg/dL; P < .001), respectively. At baseline, 18% and 23% on TAF versus TDF had a 10-year ASCVD risk score ≥7.5%, with mean risk scores low overall for TAF versus TDF at baseline (4.9% vs 5.4%; P = .35) and W96 (6.1% vs 6.2%; P = .04). Increases in ASCVD risk from baseline to W96 were driven by both increasing age and changes in total cholesterol (TC) and HDL cholesterol. At W96, TC/HDL ratios (median) were 3.7 for both groups (P = .69). There was no difference between shifts in categorical risk for TAF versus TDF (9% vs 5%; P = .19). Eligibility for high-intensity statin therapy were similar for TAF versus TDF groups (19% vs 21%; P = .47). CONCLUSIONS Lipid changes with TAF as part of coformulated regimens do not substantively affect CVD risk profiles compared with TDF.
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Affiliation(s)
- Gregory D Huhn
- The Ruth M Rothstein CORE Center, Chicago, Illinois, USA
| | - David J Shamblaw
- La Playa Medical Group and Clinical Research, San Diego, California, USA
| | | | | | | | | | | | - Moupali Das
- Gilead Sciences, Foster City, California, USA
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Abstract
PURPOSE OF REVIEW We comment on the role of dyslipidaemia in cardiovascular disease (CVD) in HIV-infected patients. We have discussed various risk factors, including traditional CVD risk factors, HIV-related risk factors and antiretroviral therapy (ART)-induced dyslipidaemia. RECENT FINDINGS HIV-infected individuals are prone to lipid and lipoprotein abnormalities as a result of the infection itself and the effect of ART. The older drugs used for the treatment of HIV were associated with an increased risk of these abnormalities. New therapies used to treat HIV are lipid friendly. Calculating CVD risk in the HIV population is complex due to the infection itself and the ART-related factors. The advancement in ART has helped to increase the life expectancy of HIV patients. As a result, a growing number of patients die of non-HIV related complications such as CVD, hepatic and renal disease. Outcome studies with intervention for dyslipidaemia in HIV are underway. SUMMARY The implications of the above findings suggest that all patients with HIV should undergo a CVD risk assessment before starting ART. Appropriate lipid-friendly ART regimen should be initiated along with intervention for associated CVD risk factors (e.g. lipids, hypertension and smoking).
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Gagliardini R, Fabbiani M, Colafigli M, D'Avino A, Mondi A, Borghetti A, Lamonica S, Cauda R, De Luca A, Di Giambenedetto S. Lipid-lowering effect and changes in estimated cardiovascular risk after switching to a tenofovir-containing regimen for the treatment of HIV-infected patients. J Chemother 2016; 29:299-307. [PMID: 28019192 DOI: 10.1080/1120009x.2016.1269040] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Tenofovir could have a direct lipid-lowering effect. The aim of our retrospective study was to investigate changes in cardiovascular risk after switching from a tenofovir-sparing to a tenofovir-containing backbone. Lipid parameters and cardiovascular risk [calculated using 10-years Framingham Risk Score (FRS) and 5-years DAD Risk Score (DRS)] were analysed at baseline and after three months. 273 patients were enrolled. After switching, significant decreases in total cholesterol (TC) (-8.2mg/dl, p < 0.001), LDL (-8.7mg/dl, p < 0.001) and DRS (mean -0.26%, p < 0.001) were observed, while a reduction in FRS was only observed in patients with pre-switch high TC or medium-high (>10%) FRS. Pre-switch factors associated with DRS reduction were higher TC, abacavir, new generation protease inhibitors, while zidovudine predicted an increase of DRS. Our results suggest that the improvement of lipid parameters observed after switching to a tenofovir-containing backbone could lead to a significant reduction in predicted cardiovascular risk, which became more evident in subjects with higher cardiovascular risk.
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Affiliation(s)
- Roberta Gagliardini
- a Institute of Clinical Infectious Diseases, Catholic University of the Sacred Heart , Rome , Italy
| | - Massimiliano Fabbiani
- b Division of Infectious Diseases, San Gerardo Hospital , University of Milano-Bicocca , Monza , Italy
| | - Manuela Colafigli
- c Infectious Dermatology and Allergology Unit, IFO S. Gallicano Institute (IRCCS) , Rome , Italy
| | - Alessandro D'Avino
- a Institute of Clinical Infectious Diseases, Catholic University of the Sacred Heart , Rome , Italy
| | - Annalisa Mondi
- a Institute of Clinical Infectious Diseases, Catholic University of the Sacred Heart , Rome , Italy
| | - Alberto Borghetti
- a Institute of Clinical Infectious Diseases, Catholic University of the Sacred Heart , Rome , Italy
| | - Silvia Lamonica
- a Institute of Clinical Infectious Diseases, Catholic University of the Sacred Heart , Rome , Italy
| | - Roberto Cauda
- a Institute of Clinical Infectious Diseases, Catholic University of the Sacred Heart , Rome , Italy
| | - Andrea De Luca
- a Institute of Clinical Infectious Diseases, Catholic University of the Sacred Heart , Rome , Italy.,d Infectious Diseases Unit, Azienda Ospedaliera Universitaria Senese , Siena , Italy
| | - Simona Di Giambenedetto
- a Institute of Clinical Infectious Diseases, Catholic University of the Sacred Heart , Rome , Italy
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Ewald H, Santini-Oliveira M, Bühler JE, Vuichard D, Schandelmaier S, Stöckle M, Briel M, Bucher HC, Hemkens LG. Comparative effectiveness of tenofovir in HIV-infected treatment-experienced patients: systematic review and meta-analysis. HIV CLINICAL TRIALS 2016; 18:17-27. [PMID: 27951755 DOI: 10.1080/15284336.2016.1261073] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND Antiretroviral therapy (ART) regimens for HIV infection are frequently changed. We conducted a systematic review of randomized trials (RCTs) on the benefits and harms of switching to tenofovir disoproxil fumarate (TDF)-based regimens in ART-experienced patients. METHODS We included RCTs in HIV-infected adults comparing switching to a TDF-containing regimen with maintaining or switching to another regimen. We searched MEDLINE, EMBASE, CENTRAL, LILACS, SCI, and the WHO Global Health Library. We assessed bias with the Cochrane tool and synthesized data using random-effects meta-analyses and Peto's approach. For further analyses, we added data from a previous systematic review in treatment-naïve patients. RESULTS 17 RCTs with 2210 patients were included. All but one study had a high risk of bias. There was no significant association of switching to TDF-based regimens with mortality, fractures, CD4-cell count, body fat, virological failure, LDL-, and HDL-cholesterol. TDF-based regimens decreased total cholesterol (mean difference -12.05 mg/dL; 95% CI -20.76 to -3.34), trigylcerides (-14.33 mg/dL; -23.73 to -4.93), and bone mineral density (BMD; hip: -2.46%; -3.9 to -1.03; lumbar spine -1.52%; -2.69 to -0.34). Effects on estimated glomerular filtration (eGFR) were inconsistent and depended on the measurement. Adding 22 RCTs from 8297 treatment-naïve patients gave consistent results with then significant reductions of LDL (-7.57 mg/dL; -10.37 to -4.78), HDL (-2.38 mg/dL; -3.83 to -0.93), and eGFR (-3.49 ml/min; -5.56 to -1.43). CONCLUSIONS Switching to TDF-based regimens is associated with reductions of BMD and lipid levels and possibly lowered kidney function. The evidence is limited by the high risk of bias.
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Affiliation(s)
- Hannah Ewald
- a Basel Institute for Clinical Epidemiology & Biostatistics , University Hospital Basel , Basel , Switzerland
| | - Marilia Santini-Oliveira
- a Basel Institute for Clinical Epidemiology & Biostatistics , University Hospital Basel , Basel , Switzerland.,b Evandro Chagas National Institute of Infectious Diseases, Oswaldo Cruz Foundation , Rio de Janeiro , Brazil
| | - Julian-Emanuel Bühler
- a Basel Institute for Clinical Epidemiology & Biostatistics , University Hospital Basel , Basel , Switzerland
| | - Danielle Vuichard
- c Division of Infectious Diseases and Hospital Hygiene , University Hospital Basel , Basel , Switzerland.,d Department of Clinical Epidemiology and Biostatistics , McMaster University , Hamilton , Canada
| | - Stefan Schandelmaier
- a Basel Institute for Clinical Epidemiology & Biostatistics , University Hospital Basel , Basel , Switzerland.,d Department of Clinical Epidemiology and Biostatistics , McMaster University , Hamilton , Canada
| | - Marcel Stöckle
- c Division of Infectious Diseases and Hospital Hygiene , University Hospital Basel , Basel , Switzerland
| | - Matthias Briel
- a Basel Institute for Clinical Epidemiology & Biostatistics , University Hospital Basel , Basel , Switzerland.,d Department of Clinical Epidemiology and Biostatistics , McMaster University , Hamilton , Canada.,e Department of Clinical Research , University of Basel , Basel , Switzerland
| | - Heiner C Bucher
- a Basel Institute for Clinical Epidemiology & Biostatistics , University Hospital Basel , Basel , Switzerland
| | - Lars G Hemkens
- a Basel Institute for Clinical Epidemiology & Biostatistics , University Hospital Basel , Basel , Switzerland
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Santos JR, Saumoy M, Curran A, Bravo I, Llibre JM, Navarro J, Estany C, Podzamczer D, Ribera E, Negredo E, Clotet B, Paredes R. The Lipid-Lowering Effect of Tenofovir/Emtricitabine: A Randomized, Crossover, Double-Blind, Placebo-Controlled Trial. Clin Infect Dis 2015; 61:403-8. [DOI: 10.1093/cid/civ296] [Citation(s) in RCA: 82] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2015] [Accepted: 04/04/2015] [Indexed: 11/13/2022] Open
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Virologic and immunologic outcomes of HIV-infected Ugandan children randomized to lopinavir/ritonavir or nonnucleoside reverse transcriptase inhibitor therapy. J Acquir Immune Defic Syndr 2014; 65:535-41. [PMID: 24326597 DOI: 10.1097/qai.0000000000000071] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
BACKGROUND In the Prevention of Malaria and HIV disease in Tororo pediatrics trial, HIV-infected Ugandan children randomized to receive lopinavir/ritonavir (LPV/r)-based antiretroviral therapy (ART) experienced a lower incidence of malaria compared with children receiving nonnucleoside reverse transcriptase inhibitor (NNRTI)-based ART. Here we present the results of the noninferiority analysis of virologic efficacy and comparison of immunologic outcomes. METHODS ART-naive or -experienced (HIV RNA <400 copies/mL) children aged 2 months to 6 years received either LPV/r or NNRTI-based ART. The proportion of children with virologic suppression (HIV RNA <400 copies/mL) at 48 weeks was compared using a prespecified noninferiority margin of -11% in per-protocol analysis. Time to virologic failure by 96 weeks, change in CD4 counts and percentages, and incidence of adverse event rates were also compared. RESULTS Of 185 children enrolled, 91 initiated LPV/r and 92 initiated NNRTI-based ART. At baseline, the median age was 3.1 years (range, 0.4-5.9), and 131 (71%) children were ART-naive. The proportion of children with virologic suppression at 48 weeks was 80% (67/84) in the LPV/r arm vs. 76% (59/78) in the NNRTI arm, a difference of 4% (95% confidence interval: -9% to +17%). Time to virologic failure, CD4 changes, and the incidence of Division of AIDS grade III/IV adverse events were similar between arms. CONCLUSIONS LPV/r-based ART was not associated with worse virologic efficacy, immunologic efficacy, or adverse event rates compared with NNRTI-based ART. Considering these results and the reduction in malaria incidence associated with LPV/r previously reported for this trial, wider use of LPV/r to treat HIV-infected African children in similar malaria-endemic settings could be considered.
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[Consensus Statement by GeSIDA/National AIDS Plan Secretariat on antiretroviral treatment in adults infected by the human immunodeficiency virus (Updated January 2013)]. Enferm Infecc Microbiol Clin 2013; 31:602.e1-602.e98. [PMID: 24161378 DOI: 10.1016/j.eimc.2013.04.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2013] [Accepted: 04/08/2013] [Indexed: 02/08/2023]
Abstract
OBJECTIVE This consensus document is an update of combined antiretroviral therapy (cART) guidelines for HIV-1 infected adult patients. METHODS To formulate these recommendations a panel composed of members of the GeSIDA/National AIDS Plan Secretariat (Grupo de Estudio de Sida and the Secretaría del Plan Nacional sobre el Sida) reviewed the efficacy and safety advances in clinical trials, cohort and pharmacokinetic studies published in medical journals (PubMed and Embase) or presented in medical scientific meetings. The strength of the recommendations and the evidence which support them are based on a modification of the criteria of Infectious Diseases Society of America. RESULTS cART is recommended in patients with symptoms of HIV infection, in pregnant women, in serodiscordant couples with high risk of transmission, in hepatitisB co-infection requiring treatment, and in HIV nephropathy. cART is recommended in asymptomatic patients if CD4 is <500cells/μl. If CD4 are >500cells/μl cART should be considered in the case of chronic hepatitisC, cirrhosis, high cardiovascular risk, plasma viral load >100.000 copies/ml, proportion of CD4 cells <14%, neurocognitive deficits, and in people aged >55years. The objective of cART is to achieve an undetectable viral load. The first cART should include 2 reverse transcriptase inhibitors (RTI) nucleoside analogs and a third drug (a non-analog RTI, a ritonavir boosted protease inhibitor, or an integrase inhibitor). The panel has consensually selected some drug combinations, for the first cART and specific criteria for cART in acute HIV infection, in tuberculosis and other HIV related opportunistic infections, for the women and in pregnancy, in hepatitisB or C co-infection, in HIV-2 infection, and in post-exposure prophylaxis. CONCLUSIONS These new guidelines update previous recommendations related to first cART (when to begin and what drugs should be used), how to monitor, and what to do in case of viral failure or adverse drug reactions. cART specific criteria in comorbid patients and special situations are similarly updated.
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Campo R, DeJesus E, Bredeek UF, Henry K, Khanlou H, Logue K, Brinson C, Benson P, Dau L, Wang H, White K, Flaherty J, Fralich T, Guyer B, Piontkowsky D. SWIFT: prospective 48-week study to evaluate efficacy and safety of switching to emtricitabine/tenofovir from lamivudine/abacavir in virologically suppressed HIV-1 infected patients on a boosted protease inhibitor containing antiretroviral regimen. Clin Infect Dis 2013; 56:1637-45. [PMID: 23362296 PMCID: PMC3641864 DOI: 10.1093/cid/cis1203] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2012] [Accepted: 12/07/2012] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND In the United States, emtricitabine/tenofovir disoproxil fumarate (FTC/TDF) is a preferred nucleoside reverse transcriptase inhibitor (NRTI) backbone with lamivudine/abacavir (3TC/ABC) as a commonly used alternative. For patients infected with human immunodeficiency virus (HIV-1) virologically suppressed on a boosted protease inhibitor (PI) + 3TC/ABC regimen, the merits of switching to FTC/TDF as the NRTI backbone are unknown. METHODS SWIFT was a prospective, randomized, open-label 48-week study to evaluate efficacy and safety of switching to FTC/TDF. Subjects receiving 3TC/ABC + PI + ritonavir (RTV) with HIV-1 RNA < 200 c/mL ≥3 months were randomized to continue 3TC/ABC or switch to FTC/TDF. The primary endpoint was time to loss of virologic response (TLOVR) with noninferiority measured by delta of 12%. Virologic failure (VF) was defined as confirmed rebound or the last HIV-1 RNA measurement on study drug ≥200 c/mL. RESULTS In total, 311 subjects were treated in this study (155 to PI + RTV + FTC/TDF, 156 to PI + RTV + 3TC/ABC). Baseline characteristics were similar between the arms: 85% male, 28% black, median age, 46 years; and median CD4 532 cells/mm(3). By TLOVR through week 48, switching to FTC/TDF was noninferior compared to continued 3TC/ABC (86.4% vs 83.3%, treatment difference 3.0% (95% confidence interval, -5.1% to 11.2%). Fewer subjects on FTC/TDF experienced VF (3 vs 11; P = .034). FTC/TDF showed greater declines in fasting low-density lipoproteins (LDL), total cholesterol (TC), and triglycerides (TG) with significant declines in LDL and TC beginning at week 12 with no TC/HDL ratio change. Switching to FTC/TDF showed improved NCEP thresholds for TC and TG and improved 10-year Framingham TC calculated scores. Decreased estimated glomerular filtration rate [corrected] (eGFR) was observed in both arms with a larger decrease in the FTC/TDF arm. CONCLUSIONS Switching to FTC/TDF from 3TC/ABC maintained virologic suppression, had fewer VFs, improved lipid parameters and Framingham scores but decreased eGFR. CLINICALTRIALS.GOV IDENTIFIER: NCT00724711.
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Affiliation(s)
- R Campo
- Department of Infectious Diseases, University of Miami School of Medicine, Miami, FL 33136, USA.
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Hocqueloux L, Choisy P, Le Moal G, Borsa-Lebas F, Plainchamp D, Legac E, Prazuck T, de la Tribonnière X, Yazdanpanah Y, Parienti JJ. Pharmacologic boosting of atazanavir in maintenance HIV-1 therapy: the COREYA propensity-score adjusted study. PLoS One 2012; 7:e49289. [PMID: 23152890 PMCID: PMC3494679 DOI: 10.1371/journal.pone.0049289] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2012] [Accepted: 10/08/2012] [Indexed: 11/24/2022] Open
Abstract
Background Among HIV-1 infected patients who achieved virologic suppression, the use of atazanavir without pharmacologic boosting is debated. We evaluated the efficacy and tolerance of maintenance therapy with unboosted atazanavir in clinical practice. Methods and Results This multicenter retrospective cohort study evaluated the efficacy of switching HIV-1-infected patients controlled on triple therapy to unboosted (ATV0, n = 98) versus ritonavir-boosted atazanavir (ATV/r, n = 254) +2 nucleos(t)ide reverse transcriptase inhibitors. The primary endpoint was time to virologic failure (VF, >200 copies/mL). ATV groups were compared controlling for potential confounding bias by inverse probability weighted Cox analysis and propensity-score matching. Overall and adjusted VF rates were similar for both strategies. Both strategies improved dyslipidemia and creatininemia, with less jaundice in the ATV0 group. Conclusion In previously well-suppressed patients, within an observational cohort setting, ATV0–based triple-therapy appeared as effective as ATV/r- based triple-therapy to maintain virologic suppression, even if co-administered with TDF, but was better tolerated.
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Affiliation(s)
- Laurent Hocqueloux
- Service des Maladies Infectieuses et Tropicales, Centre Hospitalier Régional, Orléans, France
| | - Philippe Choisy
- Service Universitaire des Maladies Infectieuses et du Voyageur, Hôpital Gustave-Dron, Tourcoing, France
| | - Gwenaël Le Moal
- Service des Maladies Infectieuses, Hôpital de la Milétrie, Poitiers, France
| | | | - David Plainchamp
- Service des Maladies Infectieuses, Hôpital de la Milétrie, Poitiers, France
| | - Eric Legac
- Laboratoire de Biologie, Centre Hospitalier Régional, Orléans, France
| | - Thierry Prazuck
- Service des Maladies Infectieuses et Tropicales, Centre Hospitalier Régional, Orléans, France
| | - Xavier de la Tribonnière
- Service Universitaire des Maladies Infectieuses et du Voyageur, Hôpital Gustave-Dron, Tourcoing, France
| | - Yazdan Yazdanpanah
- Service Universitaire des Maladies Infectieuses et du Voyageur, Hôpital Gustave-Dron, Tourcoing, France
| | - Jean-Jacques Parienti
- Unité Biostatistique et Recherche Clinique, CHU Côte de Nacre, Caen, France
- * E-mail:
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Behrens G, Maserati R, Rieger A, Domingo P, Abel F, Wang H, Pearce G. Switching to tenofovir/emtricitabine from abacavir/lamivudine in HIV-infected adults with raised cholesterol: effect on lipid profiles. Antivir Ther 2012; 17:1011-20. [PMID: 22910324 DOI: 10.3851/imp2305] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/17/2012] [Indexed: 10/28/2022]
Abstract
BACKGROUND The aim of this study was to investigate the effect on fasting lipid parameters of switching to tenofovir disoproxil fumarate (TDF) plus emtricitabine (FTC) from abacavir (ABC) plus lamivudine (3TC; both fixed-dose combinations), while maintaining ritonavir-boosted lopinavir (LPV/r). METHODS This was an open-label randomized two-arm 12-week controlled study in virologically suppressed HIV-infected patients with elevated cholesterol (≥5.2 mmol/l). Patients stable on ABC/3TC plus LPV/r either continued treatment or switched to TDF/FTC plus LPV/r for 12 weeks. Standard efficacy and safety end points (including fasting lipids) were assessed. RESULTS In total, 85 subjects were treated (n=42 ABC/FTC and n=43 TDF/3TC). A statistically significant decrease in total cholesterol was observed in the TDF/FTC group: from median (IQR) 6.22 mmol/l (5.91-6.77) at baseline to 5.75 mmol/l (5.04-6.18) at week 12 (median [IQR] change from baseline -0.73 mmol/l [-1.20- -0.18]; P<0.001). No notable change was observed for the ABC/3TC group. The difference between groups at week 12 was -0.82 mmol/l (P<0.001). For TDF/FTC (but not for ABC/3TC), statistically significant reductions (P<0.05) from baseline were observed in total, low-density lipoprotein, high-density lipoprotein (HDL)- and non-HDL cholesterol (at weeks 4 and 12). Statistically significant decreases were observed in median estimated creatinine clearance (Cockcroft-Gault) from baseline to week 12 for patients who switched to TDF/FTC (-5.47 ml/min) versus the ABC/3TC group (-2.15 ml/min; P=0.016 between groups). Virological suppression was maintained in both groups. No new safety issues were identified. CONCLUSIONS Switching to TDF/FTC from ABC/3TC was associated with rapid improvements in fasting lipid parameters and continued virological control in patients receiving LPV/r as the third component of antiretroviral therapy. The effect of these changes on clinical end points remains unclear and would need to be evaluated in a longer-term study.
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Affiliation(s)
- Georg Behrens
- Hannover Medical School, Department for Clinical Immunology and Rheumatology, Hannover, Germany.
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Santos JR, Moltó J, Llibre JM, Negredo E, Bravo I, Ornelas A, Clotet B, Paredes R. Antiretroviral simplification with darunavir/ritonavir monotherapy in routine clinical practice: safety, effectiveness, and impact on lipid profile. PLoS One 2012; 7:e37442. [PMID: 22666357 PMCID: PMC3362569 DOI: 10.1371/journal.pone.0037442] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2012] [Accepted: 04/19/2012] [Indexed: 01/21/2023] Open
Abstract
Background Simplification of antiretroviral treatment (ART) with darunavir/ritonavir (DRV/r) monotherapy has achieved sustained suppression of plasma viral load (pVL) in clinical trials; however, its effectiveness and safety profile has not been evaluated in routine clinical practice. Methodology/Principal Findings We performed a retrospective cohort analysis of HIV-1-infected patients who initiated DRV/r monotherapy once daily with a pVL <50 copies/mL under ART and at least 1 subsequent follow-up visit in our clinic. The primary study endpoints were the percentage of patients with virological failure (VF, defined as 2 consecutive pVL>50 copies/mL) at week 48, and time to VF. Other causes of treatment discontinuation and changes in lipid profile were evaluated up to week 48. Ninety-two patients were followed for a median (IQR) of 73 (57–92) weeks. The median baseline and nadir CD4+ T-cell counts were 604 (433–837) and 238 (150–376) cells/mm3, respectively. Patients had previously received a median of 5 (3–9) ART lines and maintained a pVL<50 copies/mL for a median of 76 (32–176) weeks before initiating DRV/r monotherapy. Nine (9.8%) patients developed VF at week 48; time to VF was 47.1 (IQR: 36.1–47.8) weeks among patients with VF. Other reasons for changing ART were gastrointestinal disturbances (n = 3), rash (n = 1), and impaired CD4 recovery (n = 2). Median low-density lipoprotein cholesterol levels increased from 116.1 mg/dL at baseline to 137.3 mg/dL at 48 weeks (p = 0.001). Conclusions/Significance Treatment simplification with DRV/r monotherapy seems safe and effective in routine clinical practice. Further research is needed to elucidate the effect of DRV/r monotherapy on cholesterol levels.
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Affiliation(s)
- José R Santos
- Lluita contra la SIDA Foundation, Hospital Universitari Germans Trias i Pujol, Badalona, Barcelona, Spain.
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[Consensus document of Gesida and Spanish Secretariat for the National Plan on AIDS (SPNS) regarding combined antiretroviral treatment in adults infected by the human immunodeficiency virus (January 2012)]. Enferm Infecc Microbiol Clin 2012; 30:e1-89. [PMID: 22633764 DOI: 10.1016/j.eimc.2012.03.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2012] [Accepted: 03/19/2012] [Indexed: 11/20/2022]
Abstract
This consensus document has been prepared by a panel consisting of members of the AIDS Study Group (Gesida) and the Spanish Secretariat for the National Plan on AIDS (SPNS) after reviewing the efficacy and safety results of clinical trials, cohort and pharmacokinetic studies published in medical journals, or presented in medical scientific meetings. Gesida has prepared an objective and structured method to prioritise combined antiretroviral treatment (cART) in naïve patients. Recommendations strength (A, B, C) and the evidence which supports them (I, II, III) are based on a modification of the Infectious Diseases Society of America criteria. The current antiretroviral treatment (ART) of choice for chronic HIV infection is the combination of three drugs. ART is recommended in patients with symptomatic HIV infection, in pregnancy, in serodiscordant couples with high transmission risk, hepatitis B fulfilling treatment criteria, and HIV nephropathy. Guidelines on ART treatment in patients with concurrent diagnosis of HIV infection and an opportunistic type C infection are included. In asymptomatic patients ART is recommended on the basis of CD4 lymphocyte counts, plasma viral load and patient co-morbidities, as follows: 1) therapy should be started in patients with CD4 counts <350 cells/μL; 2) when CD4 counts are between 350 and 500 cells/μL, therapy will be recommended and only delayed if patient is reluctant to take it, the CD4 are stabilised, and the plasma viral load is low; 3) therapy could be deferred when CD4 counts are above 500 cells/μL, but should be considered in cases of cirrhosis, chronic hepatitis C, high cardiovascular risk, plasma viral load >10(5) copies/mL, proportion of CD4 cells <14%, and in people aged >55 years. ART should include 2 reverse transcriptase inhibitors nucleoside analogues and a third drug (non-analogue reverse transcriptase inhibitor, ritonavir boosted protease inhibitor or integrase inhibitor). The panel has consensually selected and given priority to using the Gesida score for some drug combinations, some of them co-formulated. The objective of ART is to achieve an undetectable viral load. Adherence to therapy plays an essential role in maintaining antiviral response. Therapeutic options are limited after ART failures, but an undetectable viral load may be possible nowadays. Adverse events are a fading problem of ART. Guidelines in acute HIV infection, in women, in pregnancy, and to prevent mother-to-child transmission and pre- and post-exposition prophylaxis are commented upon. Management of hepatitis B or C co-infection, other co-morbidities, and the characteristics of ART in HIV-2 infection are included.
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Curran A, Ribera E. From old to new nucleoside reverse transcriptase inhibitors: changes in body fat composition, metabolic parameters and mitochondrial toxicity after the switch from thymidine analogs to tenofovir or abacavir. Expert Opin Drug Saf 2011; 10:389-406. [PMID: 21235431 DOI: 10.1517/14740338.2011.542145] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
INTRODUCTION Thymidine analogs zidovudine (AZT) and stavudine (d4T) have been widely used because of their antiviral activity against HIV, but at the expense of high toxicity, mainly related to mitochondrial damage. Many studies have been performed replacing AZT or d4T with newer nucleoside analogs reverse transcriptase inhibitors (NRTIs) with less toxicity, such as tenofovir (TDF) or abacavir (ABC), maintaining virological efficacy. AREAS COVERED Relevant literature was identified using a PubMed search of articles published up to June 2010. Search terms included: 'thymidine analogs', 'stavudine', 'zidovudine', 'd4T', 'AZT', 'ZDV', 'treatment switch'. Original articles in which d4T or AZT had been replaced by TDF or ABC as switch strategies (with undetectable viral load) were reviewed where information about body fat distribution, mitochondrial functionality and/or plasma lipid parameters were available. Relevant references from these articles were also considered. Only studies performed in adult patients (18 years or older) are included. The readers will gain a better understanding of the toxicity caused by thymidine analogs, the treatment alternatives and the benefits observed after treatment switch to newer NRTIs. EXPERT OPINION Thymidine analogs AZT and d4T yield considerable toxicity and proactive switch to newer NRTIs such as TDF or ABC is necessary in order to avoid or partially reverse such side effects.
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Affiliation(s)
- Adrian Curran
- Infectious Diseases Department, Hospital Universitari Vall d'Hebron, Institut de Recerca, Universitat Autònoma de Barcelona, Passeig Vall d'Hebron 119-129, 08035 Barcelona, Spain.
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Impact of NRTIs on lipid levels among a large HIV-infected cohort initiating antiretroviral therapy in clinical care. AIDS 2011; 25:185-95. [PMID: 21150555 DOI: 10.1097/qad.0b013e328341f925] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
OBJECTIVE to assess the associations between nucleoside reverse transcriptase inhibitors (NRTIs) and change in lipid levels among a large cohort of HIV-infected patients in routine clinical care initiating their first potent antiretroviral regimen. DESIGN longitudinal observational cohort study from the Centers for AIDS Research Network of Integrated Clinical Systems (CNICS) cohort. METHODS we used generalized estimating equations to examine the association between NRTIs and lipids accounting for within-patient correlations between repeated measures and key clinical and demographic characteristics including other antiretroviral medications. RESULTS among 2267 individuals who started their first antiretroviral regimen, tenofovir with emtricitabine or lamivudine was associated with lower levels for total cholesterol, low-density lipoprotein (LDL), triglycerides, non-high-density lipoprotein (HDL), and HDL, compared with other NRTI pairs in adjusted analyses. LDL levels were highest among patients receiving didanosine/lamivudine. Triglyceride levels were highest in stavudine/lamivudine users. HDL levels were highest among patients receiving didanosine/stavudine. Hepatitis C infection and younger age were also associated with lower lipid levels. CONCLUSION we found clinically important heterogeneity within the NRTI class of antiretroviral medications regarding their effect on lipid levels over time. Although the lipid profile of tenofovir with emtricitabine or lamivudine appeared to be less pro-atherogenic in this large longitudinal study of HIV-infected patients in routine clinical care, there was no association with beneficial HDL levels. In general, the change in lipid levels associated with most antiretroviral agents, particularly those NRTI combinations currently in common use, are relatively modest. Additional studies are needed to understand the long-term implications of these findings on cardiovascular disease risk.
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Lake JE, Currier JS. Switching antiretroviral therapy to minimize metabolic complications. ACTA ACUST UNITED AC 2010; 4:693-711. [PMID: 22171239 DOI: 10.2217/hiv.10.47] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Advances in HIV therapy have made living with HIV for decades a reality for many patients. However, antiretroviral therapy has been associated with multiple long-term complications, including dyslipidemia, fat redistribution, insulin resistance and increased cardiovascular risk. As newer agents with improved metabolic profiles have become available, there is growing interest in the safety and efficacy of switching ART as a strategy to reduce long-term complications. This article reviews recently published data on switching ART to minimize the contributions of specific agents to these complications.
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Affiliation(s)
- Jordan E Lake
- University of California Los Angeles, Division of Infectious Diseases, Center for Clinical AIDS Research, & Education, 9911 West Pico, Boulevard, Suite 980, Los Angeles, CA 90035, USA
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Lipid Metabolism and Cardiovascular Risk in HIV-1 Infection and HAART: Present and Future Problems. CHOLESTEROL 2010; 2010:271504. [PMID: 21490912 PMCID: PMC3065849 DOI: 10.1155/2010/271504] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2010] [Revised: 08/15/2010] [Accepted: 09/07/2010] [Indexed: 11/17/2022]
Abstract
Many infections favor or are directly implicated with lipid metabolism perturbations and/or increased risk of coronary heart disease (CHD). HIV itself has been shown to increase lipogenesis in the liver and to alter the lipid profile, while the presence of unsafe habits, addiction, comorbidities, and AIDS-related diseases increases substantially the risk of cardiovascular disease (CVD) in the HIV-infected population. Antiretroviral therapy reduces such stimuli but many drugs have intrinsic toxicity profiles impacting on metabolism or potential direct cardiotoxicity. In a moment when the main guidelines of HIV therapy are predating the point when to start treating, we mean to highlight the contribution of HIV-1 to lipid alteration and inflammation, the impact of antiretroviral therapy, the decisions on what drugs to use to reduce the probability of having a cardiovascular event, the increasing
use of statins and fibrates in HIV-1 infected subjects, and finally the switch strategies, that balance effectiveness and toxicity to move the decision to change HIV drugs. Early treatment might reduce the negative effect of HIV on overall cardiovascular risk but may also evidence the impact of drugs, and the final balance (reduction or increase in CHD and lipid abnormalities) is not known up to date.
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Delaney JA, Scherzer R, Biggs ML, Shliplak MG, Polak JF, Currier JS, Kronmal RA, Wanke C, Bacchetti P, O'leary D, Tien PC, Grunfeld C. Associations of antiretroviral drug use and HIV-specific risk factors with carotid intima-media thickness. AIDS 2010; 24:2201-9. [PMID: 20671544 PMCID: PMC3224487 DOI: 10.1097/qad.0b013e32833d2132] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND Previous research has demonstrated an increase in carotid intima-media thickness (cIMT) in HIV-infected individuals compared to controls. However, the reason for this increased level of subclinical vascular disease is unknown. OBJECTIVE To identify HIV-related risk factors for increased cIMT. METHODS We evaluated the relationship between HIV-related characteristics (including markers of HIV disease severity and use of antiretroviral therapy) and cIMT measurements in the internal/bulb and common carotid regions among 538 HIV-infected participants from the Study of Fat Redistribution and Metabolic Change in HIV Infection (FRAM). We used Bayesian model averaging to estimate the posterior probability of candidate HIV and non-HIV-related risk factors being true predictors of increased cIMT. Variables with a posterior probability of more than 50% were used to develop a selected regression model for each of the anatomic regions. RESULTS For common cIMT, the Bayesian model selection process identified age, African-American race, and systolic and diastolic blood pressure with probability more than 95%, HDL cholesterol with probability 85% and Hispanic ethnicity with probability 51%. Among the HIV-related factors included in the analysis, only tenofovir use was selected (51% probability). In the selected model, duration of tenofovir use was associated with lower common cIMT (-0.0094 mm/year of use; 95% confidence interval: -0.0177 to -0.0010). For internal cIMT, no HIV-related risk factors were above the 50% posterior probability threshold. CONCLUSION We observed an inverse association between duration of tenofovir use and common carotid cIMT. Whether this association is causal or due to confounding by indication needs further investigation.
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Affiliation(s)
| | - Rebecca Scherzer
- University of California
- Department of Veterans Affairs, San Francisco, California
| | - Mary L. Biggs
- Department of Biostatistics, University of Washington, Seattle, Washington
| | - Michael G. Shliplak
- University of California
- Department of Veterans Affairs, San Francisco, California
| | | | | | - Richard A. Kronmal
- Department of Biostatistics, University of Washington, Seattle, Washington
| | | | | | | | - Phyllis C. Tien
- University of California
- Department of Veterans Affairs, San Francisco, California
| | - Carl Grunfeld
- University of California
- Department of Veterans Affairs, San Francisco, California
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