3,189 Days: Aduhelm Phase IV Timeline Is Long Among Alzheimer’s Drugs And Other Accelerated Approvals
Pink Sheet and Trialtrove analyses show time given Biogen to complete confirmatory trial exceeds duration of most other late-stage trials of anti-amyloid compounds and is almost double the average time allocated for follow-up studies of novel accelerated approvals since 2016; runway could reflect expectations for a longer follow-up period or potential enrollment challenges.
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US FDA Has History Of Pushing Sponsors On Confirmatory Trials … Sometimes
Even before a new law granted FDA authority to require studies be underway before accelerated approval, review divisions have, in some cases, given sponsors years of advance notice on expectations around study timing, according to a Pink Sheet review of NME accelerated approvals.
Accelerated Approval Reforms Give US FDA More Power And Flexibility – With Some Gaps
Pending legislation will give agency ability to require that confirmatory studies be underway at time of approval and expedited withdrawal process could allow FDA to skip a second advisory committee meeting, but Congress holds back on some agency requests for expanded authority.
US FDA’s Non-Cancer Accelerated Approval Drugs Get Their Own Public Databases
Accelerated Approval Program web page links to searchable databases for accelerated approvals of infectious disease products, vaccines, and other nonmalignant indications. New databases, which include products that converted to regular approval or were withdrawn, are modeled after Oncology Center of Excellence’s cancer drug databases that debuted in 2021.