• AIDS · Mar 2017

    Observational Study

    Significant association between statin-associated myalgia and vitamin D deficiency among treated HIV-infected patients.

    • Leonardo Calza, Eleonora Magistrelli, Vincenzo Colangeli, Marco Borderi, Ilaria Contadini, Isabella Bon, Maria Carla Re, and Pierluigi Viale.
    • aUnit of Infectious Diseases, Department of Medical and Surgical Sciences bUnit of Microbiology, 'Alma Mater Studiorum' University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy.
    • AIDS. 2017 Mar 13; 31 (5): 681-688.

    BackgroundSeveral studies have shown a significant association between vitamin D deficiency and an increased risk of statin-related symptomatic myalgia in the general population, but there are no data among HIV-infected persons.MethodsA retrospective, cohort study was conducted to assess the incidence of symptomatic myalgia and elevation in serum creatine kinase level among HIV-positive adults on combination antiretroviral therapy and treated with atorvastatin or rosuvastatin for at least 12 months between 2011 and 2015 in our outpatient unit.ResultsA total of 545 patients (mean age 53.4 years) were enrolled into the study. Atorvastatin was prescribed in 55.8% of patients and rosuvastatin in 44.2%. After a mean duration of statin therapy of 29 months, an isolated symptomatic myalgia was diagnosed in 42 patients (7.7%) and a myalgia associated with elevated creatine kinase level in 25 (4.6%). The mean concentration of 25-hydroxyvitamin D was significantly lower in patients with myalgia (19.4 ng/ml) and with creatine kinase elevation and myalgia (22.8 ng/ml) than in those without muscle toxicity (32.1 ng/ml; P = 0.017 and 0.024, respectively). In stratified multivariable-adjusted logistic regression models, there was a statistically significant association between vitamin D deficiency and occurrence of symptomatic myalgia (P = 0.009) or creatine kinase elevation and myalgia (P = 0.046). Other factors significantly associated with development of myalgia were duration of statin therapy more than 24 months, history of myalgia, and age older than 60 years.DiscussionIn our observational study, vitamin D deficiency was significantly associated with a statin-induced myalgia among HIV-infected patients on combination antiretroviral therapy, in conformity with data of the general population.

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