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.

FDA’s decision not to require a Risk Evaluation and Mitigation Strategy for Theratechnologies’ HIV lipodystrophy drug Egrifta (tesamorelin) suggests the agency is becoming more circumspect in how it applies its drug safety powers under the FDA Amendments Act more than two-and-a-half years after they took effect.

Agency recommendation for randomized controlled trials in ultra-rare pediatric disease is unworkable for various reasons, say advocates and sponsors who seek use of the accelerated approval pathway based on changes in heparan sulfate levels.