• Guan-Jhou Chen, Hsin-Yun Sun, Aristine Cheng, Yu-Chung Chuang, Yu-Shan Huang, Kuan-Yin Lin, Yi-Chia Huang, Wen-Chun Liu, Pei-Ying Wu, Chien-Ching Hung, and Shan-Chwen Chang.
• Department of Internal Medicine, National Taiwan University Hospital Yun-Lin Branch, Yun-Lin County.
• Medicine (Baltimore). 2019 Jun 1; 98 (26): e16235e16235.

AbstractWe aimed to compare the risks of creatine kinase (CK) elevation between patients receiving dolutegravir-based antiretroviral therapy (ART) and those receiving non-integrase strand transfer inhibitor (InSTI)-based ART.HIV-positive patients seeking HIV outpatient care between February 2017 and March 2018 were retrospectively reviewed to collect information on ART, practices of vigorous exercise, and laboratory tests including CK level, plasma HIV RNA load, and concurrent medications. The incidences of CK elevation were estimated among patients receiving dolutegravir-based ART and those receiving non-InSTI-based ART.During the 14-month study period, 1406 patients (mean age 39.4 years and 96.9% being male) were included. The incidence rate of grade 3 or grade 4 CK elevation (>10-fold of the upper limit of normal) was 2.0 per 100 person-years of follow-up (PYFU) and 1.3 per 100 PYFU in the dolutegravir and non-InSTI group, respectively (P = .32). While dolutegravir group had a higher rate of CK elevation of any level than non-InSTI group (22.9 vs 17.4 per 100 PYFU, P = .01), the risk was associated with weight (adjusted odds ratio [aOR], per 10-kg increase, 1.03; 95% CI, 1.02-1.04), duration of exercise (aOR, per 1-hour increase, 1.02; 95% CI 1.01-1.03), but not with dolutegravir-based ART (aOR, 1.00; 95% CI, 0.99-1.06) after adjusting for the testing frequency of serum CK in the multivariate generalized estimating equation model. No patients were hospitalized or switched ART due to CK elevation.Serum CK elevation was associated with weight and duration of exercise among HIV-positive patients receiving ART, but not with dolutegravir-based ART.

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