Annals of internal medicine · 2021
Weight and Metabolic Changes After Switching From Tenofovir Disoproxil Fumarate to Tenofovir Alafenamide in People Living With HIV : A Cohort Study.
СтатьяМногоцентровое исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Surial Bernard, Mugglin Catrina, Calmy Alexandra, Cavassini Matthias, Günthard Huldrych F, Stöckle Marcel, Bernasconi Enos, Schmid Patrick, Tarr Philip E, Furrer Hansjakob, Ledergerber Bruno, Wandeler Gilles, Rauch Andri, Swiss HIV Cohort Study
Аннотация
BACKGROUND: Tenofovir-based antiretroviral therapy (ART) has become first-line in all major HIV treatment guidelines. Compared with tenofovir disoproxil fumarate (TDF), tenofovir alafenamide (TAF) has a favorable renal and bone safety profile, but concerns about metabolic complications remain.
OBJECTIVE: To assess weight changes, the development of overweight/obesity, and changes in lipid levels 18 months after replacing TDF with TAF.
DESIGN: Cohort study.
SETTING: 5 university hospitals, affiliated hospitals, and private physicians in Switzerland.
PARTICIPANTS: 4375 adults living with HIV who received TDF-containing ART for 6 months or longer.
MEASUREMENTS: Changes in weight and lipid levels were assessed using mixed-effect models. Differences in proportions of newly overweight/obese participants were calculated using 2-proportions Z tests.
RESULTS: 4375 individuals were included, with follow-up between 1 January 2016 and 31 July 2019. Median age was 50 years (interquartile range, 43 to 56 years), 25.9% were female, and 51.7% had a normal body mass index (BMI); 3484 (79.6%) switched to TAF and 891 (20.4%) continued TDF. After 18 months, switching to TAF was associated with an adjusted mean weight increase of 1.7 kg (95% CI, 1.5 to 2.0 kg), compared with 0.7 kg (CI, 0.4 to 1.0 kg) with the continued use of TDF (between-group difference, 1.1 kg [CI, 0.7 to 1.4 kg]). Among individuals with a normal BMI, 13.8% who switched to TAF became overweight/obese, compared with 8.4% of those continuing TDF (difference, 5.4 percentage points [CI, 2.1 to 8.8 percentage points]). Switching to TAF led to increases in adjusted mean total cholesterol (0.25 mmol/L [9.5 mg/dL]), high-density lipoprotein cholesterol (0.05 mmol/L [1.9 mg/dL]), low-density lipoprotein cholesterol (0.12 mmol/L [4.7 mg/dL]), and triglyceride (0.18 mmol/L [16.1 mg/dL]) levels after 18 months.
LIMITATION: Short follow-up, small subgroup analyses, and potential residual confounding.
CONCLUSION: Replacing TDF with TAF is associated with adverse metabolic changes, including weight increase, development of obesity, and worsening serum lipid levels.
PRIMARY FUNDING SOURCE: Swiss National Science Foundation.
OBJECTIVE: To assess weight changes, the development of overweight/obesity, and changes in lipid levels 18 months after replacing TDF with TAF.
DESIGN: Cohort study.
SETTING: 5 university hospitals, affiliated hospitals, and private physicians in Switzerland.
PARTICIPANTS: 4375 adults living with HIV who received TDF-containing ART for 6 months or longer.
MEASUREMENTS: Changes in weight and lipid levels were assessed using mixed-effect models. Differences in proportions of newly overweight/obese participants were calculated using 2-proportions Z tests.
RESULTS: 4375 individuals were included, with follow-up between 1 January 2016 and 31 July 2019. Median age was 50 years (interquartile range, 43 to 56 years), 25.9% were female, and 51.7% had a normal body mass index (BMI); 3484 (79.6%) switched to TAF and 891 (20.4%) continued TDF. After 18 months, switching to TAF was associated with an adjusted mean weight increase of 1.7 kg (95% CI, 1.5 to 2.0 kg), compared with 0.7 kg (CI, 0.4 to 1.0 kg) with the continued use of TDF (between-group difference, 1.1 kg [CI, 0.7 to 1.4 kg]). Among individuals with a normal BMI, 13.8% who switched to TAF became overweight/obese, compared with 8.4% of those continuing TDF (difference, 5.4 percentage points [CI, 2.1 to 8.8 percentage points]). Switching to TAF led to increases in adjusted mean total cholesterol (0.25 mmol/L [9.5 mg/dL]), high-density lipoprotein cholesterol (0.05 mmol/L [1.9 mg/dL]), low-density lipoprotein cholesterol (0.12 mmol/L [4.7 mg/dL]), and triglyceride (0.18 mmol/L [16.1 mg/dL]) levels after 18 months.
LIMITATION: Short follow-up, small subgroup analyses, and potential residual confounding.
CONCLUSION: Replacing TDF with TAF is associated with adverse metabolic changes, including weight increase, development of obesity, and worsening serum lipid levels.
PRIMARY FUNDING SOURCE: Swiss National Science Foundation.