Accelerated Approval Is US FDA Panel’s Preferred Path For Biogen/Ionis’s Tofersen In ALS
Advisory committee unanimously concludes that the reduction in plasma neurofilament light chain concentration is reasonably likely to predict clinical benefit in SOD1-ALS, but majority of panelists say convincing evidence of efficacy to support regular approval has not been demonstrated.
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Cell/Gene Therapies: US FDA Wants ‘Quantitative Correlation' Between Surrogate And Clinical Outcome, Former Reviewer Says
When weighing accelerated approval, the FDA wants to see that ‘X change in the surrogate translates into Y change in the clinically meaningful outcome,’ Parexel’s Steve Winitsky says. CBER Director Peter Marks opines on the types of therapeutic settings where accelerated approval is best suited, and what happens when a confirmatory trial disappoints.
Six is the fewest number of voting experts for a drug or biologic advisory committee dating back to at least 2015, according to the Pink Sheet Performance Tracker. Agency issued two conflict-of-interest waivers for the meeting, one of which was to a site principal investigator on lecanemab and aducanumab studies but who is no longer participating in the Leqembi review.
Biogen/Ionis’ Tofersen Wins Accelerated Approval In ALS Subgroup – A Significant But Narrow Precedent
US FDA designates ongoing ATLAS trial in presymptomatic individuals with SOD1 mutation as confirmatory study. ‘Classic Biogen’ approval is first in ALS under the expedited pathway and could lead to more drugs reaching market on basis of a reduction in plasma neurofilament light chain concentration.