Hospitals often delay use of new antibiotics, study finds

Many hospitals wait more than a year to prescribe new antibiotics, which could discourage drugmakers from pursuing further antibiotic development, according to a study published in Diagnostic Microbiology and Infectious Disease.

For the study, researchers from the University of Wisconsin in Madison analyzed 2014-18 data from a clinical administration database. Researchers looked at when 132 hospitals first started using one of six new antimicrobials designated as qualified infectious disease products by the FDA, according to CIDRAP News.

The FDA rolled out the QIDP designation in 2012 to help spur new antibiotic development. Products with this designation receive five extra years of marketing exclusivity.

Researchers found some hospitals used a new antimicrobial within two weeks, while others waited more than four years. The average time before adoption among all hospitals was 398 days.

Researchers noted this delay in clinical use could hinder drugmakers' ability to stay in the antimicrobial market, since they're not seeing a significant return on investment. This challenge could hinder the amount of new antibiotics coming to market, which is crucial to help combat antibiotic resistance.

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