Biogen’s Aducanumab: One Positive Phase III Trial Is Good Enough For Demonstrating Efficacy, US FDA Says
Negative results from the Phase III ENGAGE trial – which may have been influenced by imbalance in ‘rapid progressors’ and differential effects of dosing protocol changes – do not negate persuasiveness of positive results from the EMERGE study, agency says in advisory committee briefing document; statistical reviewers dissent, call for a new trial of the Alzheimer's drug.
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Company is ‘anxious to understand’ how to utilize the agency’s views on importance of biomarkers, exec notes in earnings call. Merck & Co. and Pfizer advance COVID-19 therapeutics into Phase III. Pfizer is awaiting FDA risk-benefit assessment of JAK-1 inhibitors Xeljanz and abrocitinib.
Aduhelm’s ‘Complex’ Circumstances Drove Extensive In-House Advice Process Before Accelerated Approval, Cavazzoni Says
Accelerated approval was considered as option in response to the negative advisory committee vote, but it was not a ‘default,’ CDER officials say. ‘It fit like a glove.’
Public Citizen proposal that FDA staff who provide presubmission advice on a development program not be involved in reviewing the subsequent product application would cause significant public health repercussions and delay drug development, acting commissioner says; Public Citizen had cited ‘close collaboration’ between the FDA and Biogen on aducanumab in calling for the separation.