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Experts warn Neurocrine's Vykat XR linked to Prader-Willi deaths and harms

Neurocrine Biosciences logoNeurocrine Biosciences
Sig5.40Sen-7.60Env0.00Soc-7.80Gov-3.60

Physicians and experts treating Prader-Willi syndrome notified clinicians that a series of deaths and severe side effects may be associated with Vykat XR, newly approved by the FDA in March 2025. FDA adverse-event monitoring lists seven deaths among patients prescribed the drug and more than 100 reports of serious events, often hospitalizations for swelling, respiratory, and heart complications.

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