Anavex Reveals Positive Phase III Data In Rett Syndrome But A Surprise Endpoint

The endpoint used in the AVATAR trial was different than the one investors had expected; management said the change was made to satisfy the US FDA.

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Anavex took a different direction with a Phase III trial • Source: Alamy

Anavex Life Sciences Corp. announced positive Phase III data from a clinical trial testing blarcamesine (Anavex 2-73) in patients with the debilitating neurodevelopmental disorder Rett syndrome, but the endpoint used in the study was different from the one investors had expected – a change that management said was based on guidance from the US Food and Drug Administration.

The late change in the design of the trial raised questions about the data and led to a stock decline following the 1 February announcement. The company's stock closed down...

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