Records point to drug-drug interaction

May 8, 2018, Vanderbilt University

Daptomycin is an antibiotic used to treat serious bacterial infections. Statins are drugs prescribed on a long-term basis to prevent or reduce cardiovascular disease by lowering LDL-cholesterol.

In a retrospective study, researchers at Vanderbilt University Medical Center found that VUMC patients who continued taking a while taking daptomycin had 2.6 times greater risk of developing myopathy () and 4.67 times greater risk of a more severe form of called rhabdomyolysis.

"This is the first study to provide strong evidence supporting this association," reported Ryan Dare, MD, MS, and co-authors in the journal Clinical Infectious Diseases. Echoing the maker of daptomycin, the study authors recommend that doctors consider withholding statins during daptomycin therapy.

Among patients on statins seen at VUMC between 2004-2015, the researchers found 128 cases of daptomycin-associated myopathy, including 25 cases of rhabdomyolysis; they matched these patients to myopathy-free controls, adjusting their analyses to account for a range of risk factors.

Explore further: Gene study spots clues to heart risk for statin patients

More information: Ryan K Dare et al. Statin Coadministration Increases the Risk of Daptomycin-Associated Myopathy, Clinical Infectious Diseases (2018). DOI: 10.1093/cid/ciy287

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