Tale Of Two ALS Drugs: Similar Study Design, Different Take By US FDA
Amylyx’s AMX0035 and Mitsubishi’s edaravone showed similar treatment effect on ALS versus placebo in a single study, but the FDA found edaravone’s results to be more robust and supported by secondary endpoints.
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Oral or feeding tube administration of the cerebral neuroprotectant should offer flexible dosing options for amyotrophic lateral sclerosis patients, the firm says.
Six of 10 advisory committee members say Phase II CENTAUR trial cannot stand on its own to support approval at this time. However, patients and advocates say thousands will die if they have to wait for the Phase III PHOENIX trial to complete in 2024 before the drug becomes widely available.
US FDA’s Billy Dunn says that if the drug had shown a positive effect on plasma neurofilament heavy chain, it ‘would have provided important contextual and supportive information of an ostensibly beneficial effect on the clinical measure.’