Acadia Drug for Rett Syndrome Approved

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FDA has approved an Acadia Pharmaceuticals NDA for Daybue (trofinetide) oral solution for treating Rett syndrome, a rare, genetic neurological and developmental (XXX INSERT XXX)disorder, in adults and children two years of age and older. The disorder affects brain development, according to an FDA release, adding that patients typically experience a progressive loss of motor skills and language.

Approval was based on data from a 12-week placebo-controlled study (Study 1; NCT04181723). “The co-primary efficacy measures were change from baseline in the Rett Syndrome Behavior Questionnaire (RSBQ) total score and the Clinical Global Impression-Improvement (CGI-I) score at week 12,” FDA says. “Patients treated with Daybue demonstrated a statistically significant difference compared to placebo on the co-primary efficacy endpoints, as measured by the change from baseline in the RSBQ total score and the CGI-I score at week 12.”

 

The agency says that the most common adverse reactions included diarrhea (81%) and vomiting (27%).

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