Issues with the design and statistical robustness of results from Amylyx Pharmaceuticals, Inc.’s Phase II trial of AMX0035 raise questions as to whether a single study can serve as substantial evidence of effectiveness for the amyotrophic lateral sclerosis drug’s approval, US Food and Drug Administration reviewers said.
In a briefing document released ahead of a 30 March advisory committee meeting, FDA reviewers cited a host of concerns with the CENTAUR trial, including a modest p-value for a primary endpoint using non-preferred analysis methods that ignore the loss of data due to patient deaths during the study