Clinical Hold Lifted on Angelman Syndrome Study

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FDA has removed a clinical hold against a GeneTx Biotherapeutics and Ultragenyx Pharmaceutical clinical trial of GTX-102, an investigational treatment for Angelman syndrome. The companies are now permitted to begin dosing naive patients in a Phase 1/2 study in the U.S. in pediatric patients with Angelman syndrome. GeneTx previously received clearance, under a separate amendment, to begin the study in the United Kingdom and Canada. “The Phase 1/2 open-label, multiple-dose study evaluates the safety, tolerability, and plasma and cerebrospinal fluid concentrations of GTX-102 in pediatric patients with Angelman syndrome with a genetically confirmed diagnosis of full maternal UBE3A gene deletion,” the companies say.

 

Angelman syndrome is a rare, neurogenetic disorder caused by loss-of-function of the maternally inherited allele of the UBE3A gene, according to the companies. Those with the syndrome have developmental delay, balance issues, motor impairment, and debilitating seizures.

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