FDA advisory committee votes to recommend first once-daily aminoglycoside antibiotic


Because this was a severely ill patient population, there was a higher rate of adverse events. In fact, nearly all the patients in this study (16/18) experienced one treatment-emergent adverse event; 61.1% experienced severe TEAEs, with 11.1% severe enough to discontinue the study drug use.

Despite the study results, many of the panel members were not comfortable recommending it for approval.

Dr. Green, who supported plazomicin for use in cUTI but rejected it for use in BSIs, shared some of his concerns: “Because of the clear need, I was really tempted to vote yes and I actually came here today, thinking that I was going to vote yes. But this study clearly had a number of limitations that impacted the interpretation of results to support the approval for bloodstream infection,” he said. “The limitation that I could just not overcome was the small numbers [of participants].”

Plazomicin has a Prescription Drug User Fee Act date of June 25 of this year by which time the FDA will decide on its approval. While the FDA does not always follow the recommendations of these committees, they usually accept them and proceed accordingly.


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