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. 2025 Feb 24;80(2):404-416.
doi: 10.1093/cid/ciae406.

Integrase Strand Transfer Inhibitor-Related Changes in Body Mass Index and Risk of Diabetes: A Prospective Study From the RESPOND Cohort Consortium

Affiliations

Integrase Strand Transfer Inhibitor-Related Changes in Body Mass Index and Risk of Diabetes: A Prospective Study From the RESPOND Cohort Consortium

Dhanushi Rupasinghe et al. Clin Infect Dis. .

Abstract

Background: With integrase strand transfer inhibitor (INSTI) use associated with increased body mass index (BMI) and BMI increases associated with higher diabetes mellitus (DM) risk, we explored the relationships between INSTI/non-INSTI regimens, BMI changes, and DM risk.

Methods: RESPOND participants were included if they had CD4, human immunodeficiency virus (HIV) RNA, and ≥2 BMI measurements during follow-up. Those with prior DM were excluded. DM was defined as a random blood glucose ≥11.1 mmol/L, hemoglobin A1c ≥6.5%/48 mmol/mol, use of antidiabetic medication, or site-reported clinical diagnosis. Poisson regression was used to assess the association between natural log (ln) of time-updated BMI and current INSTI/non-INSTI and their interactions on DM risk.

Results: Among 20 865 people with HIV included, most were male (74%) and White (73%). Baseline median age was 45 years (interquartile range [IQR], 37-52), with a median BMI of 24 kg/m2 (IQR, 22-26). There were 785 DM diagnoses with a crude rate of 0.73 (95% confidence interval [CI], .68-.78)/100 person-years of follow-up. ln(BMI) was strongly associated with DM (adjusted incidence rate ratio [aIRR], 16.54 per log increase; 95% CI, 11.33-24.13; P < .001). Current INSTI use was associated with increased DM risk (IRR, 1.58; 95% CI, 1.37-1.82; P < .001) in univariate analyses and only partially attenuated when adjusted for variables including ln(BMI) (aIRR, 1.48; 95% CI, 1.29-1.71; P < .001). There were no interactions between ln(BMI), INSTI, and non-INSTI use and DM (P = .130).

Conclusions: In RESPOND, compared with non-INSTIs, current use of INSTIs was associated with an increased DM risk, which partially attenuated when adjusted for BMI changes and other variables.

Keywords: BMI; INSTI use; diabetes; people with HIV; weight gain.

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Conflict of interest statement

Potential conflicts of interest. V. V., C. C., and L. Y. are employees of ViiV Healthcare, Gilead Sciences, and MSD, respectively. A. R. reports support to his institution for advisory boards and/or travel grants from MSD, Gilead Sciences, Pfizer, and Moderna and an investigator initiated trial grant from Gilead Sciences; all remuneration went to his home institution, not to A. R. personally, and all remuneration was provided outside the submitted work. P. E. T.'s institution reports grants and other fees from Gilead Sciences, Merck, and ViiV, outside the submitted work. All other authors report no potential conflicts. All authors have submitted the ICMJE Form for Disclosure of Potential Conflicts of Interest. Conflicts that the editors consider relevant to the content of the manuscript have been disclosed.

Figures

Figure 1.
Figure 1.
Study population. Abbreviations: ART, antiretroviral therapy; ARV, antiretroviral; BMI, body mass index; cART, combination antiretroviral therapy.
Figure 2.
Figure 2.
A, Predicted risk of diabetes mellitus (DM) by current INSTI use and BMI. The predicted risk per 1000 person-years of DM for BMI among INSTI and non-INSTI users when adjusted for sex, natural log of age, human immunodeficiency virus risk group, ethnicity, CD4 cell counts, blood pressure, current tenofovir disoproxil fumarate/tenofovir alafenamide use. Among INSTI users, 12% were on raltegravir, 60% on dolutegravir, and 28% on other INSTIs (cobicistat-boosted elvitegravir, bictegravir, and cabotegravir). B, Kaplan–Meier plot demonstrating the time to DM event from the start of drug class. Abbreviations: BMI, body mass index; INSTI, integrase strand transfer inhibitor; NNRTI, non-nucleoside reverse transcriptase inhibitor; PI, protease inhibitor.

References

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