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No overall change in the rate of weight gain after switching to an integrase-inhibitor in virologically suppressed adults with HIV

Burns, JE; Stirrup, OT; Dunn, D; Runcie-Unger, I; Milinkovic, A; Candfield, S; Lukha, H; ... Pett, SL; + view all (2020) No overall change in the rate of weight gain after switching to an integrase-inhibitor in virologically suppressed adults with HIV. AIDS , 34 (1) pp. 109-114. 10.1097/QAD.0000000000002379. Green open access

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Abstract

OBJECTIVE: Excessive weight gain has been reported with integrase strand transfer inhibitors (INSTIs). We evaluated weight changes in virologically-suppressed adults with HIV who switched from non-INSTI regimens to raltegravir- or dolutegravir-containing antiretroviral therapy. DESIGN: Retrospective single-centre cohort. METHODS: Adults who switched to raltegravir or dolutegravir before or between January-2015 and October-2017 were identified. Virologically-suppressed, treatment-experienced (≥2 years) individuals, ≥6 months on INSTI, with weight measurements ≤2years pre- and post-switch were included. Our analysis used a random effects model with linear slope pre- and post-INSTI with adjustment for age, gender, ethnicity, pre-switch-regimen (protease inhibitor vs. non-protease inhibitor), and raltegravir vs. dolutegravir use. RESULTS: 378 individuals, 81.2% male, 70.1% white ethnicity, median age of 49 years, median of four weight measurements per participant, and median weight and body mass index (BMI) at switch, of 76.6 kg, and 25.3 kg/m respectively were included. Weight increased by an average of 0.63 kg/year (95% CI 0.17-1.09) pre-switch with no overall change in rate of weight gain post-switch [+0.05 kg/year (-0.61-0.71, p = 0.88)]. In our adjusted model, a transition from minimal weight change to weight gain post-switch was isolated to older individuals though this lacked statistical significance [e.g. +1.59 kg/year (-0.26-3.45) if aged 65 years]. Our findings did not differ by gender, ethnicity, pre-switch regimen, or raltegravir vs. dolutegravir. Similar results were seen for BMI and after adjusting for fixed nucleoside/nucleotide reverse transcriptase inhibitor backbone. CONCLUSION: We found no clear evidence of an overall increase in rate of weight gain following switch to INSTI in virologically-suppressed individuals.

Type: Article
Title: No overall change in the rate of weight gain after switching to an integrase-inhibitor in virologically suppressed adults with HIV
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1097/QAD.0000000000002379
Publisher version: https://doi.org/10.1097/QAD.0000000000002379
Language: English
Additional information: Q 2019 The Author(s). Published by Wolters Kluwer Health, Inc. This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial License 4.0 (CCBY-NC), where it is permissible to download, share, remix, transform, and buildup the work provided it is properly cited. The work cannot be used commercially without permission from the journal.
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Division of Psychiatry
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Inst of Clinical Trials and Methodology
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Inst of Clinical Trials and Methodology > MRC Clinical Trials Unit at UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute for Global Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute for Global Health > Infection and Population Health
URI: https://discovery.ucl.ac.uk/id/eprint/10082975
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