FDA
The regulatory action marks the second rejection for a spinal muscular atrophy therapy this week after Scholar Rock’s apitegromab was issued a complete response letter on Tuesday, similarly on manufacturing grounds.
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Sarepta and Capricor learned of key regulatory decisions from the media and investors, and Duchenne muscular dystrophy families have turned to the news for answers. Meanwhile, the FDA insists it remains committed to notifying companies of any regulatory action before sharing information with the media or public.
Sarepta Therapeutics’ stock has dropped precipitously as questions swirl around the safety of its gene therapies. Meanwhile, the Duchenne patient community fears losing access to Elevidys while the regulator considers more drastic action.
Earlier this summer the FDA asked Moderna for more efficacy data on its flu vaccine before it could review an mRNA-based combination shot that targets both influenza and COVID-19. Now, the entire vaccine sector is sizing up a new regulatory world, companies’ next steps uncertain.
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The FDA Adverse Event Reporting System, which Commissioner Marty Makary called “clunky,” previously published updates on a quarterly basis.
The drug, for hereditary angioedema, is Ionis’ second wholly owned asset.
Vanda claims that two generics to its sleep disorder drug Hetlioz were approved despite inadequate data and is requesting that FDA Commissioner Marty Makary revisit the decision.
Among the problems cited were cat hair, bacterial contamination and instrument defects.
Stealth BioTherapeutics originally submitted elamipretide for approval in January 2024, only to receive a rejection in May of this year. In addition to accepting the biotech’s resubmission, the FDA has promised to take action on the candidate by Sept. 26.
The delays, first revealed in Regeneron’s Q2 report, were chalked up to manufacturing issues at Novo Nordisk-owned plants.
In late May, a patient died after receiving Rocket Pharmaceuticals’ investigational gene therapy for Danon disease, spurring the hold. After lowering the dose and changing the regimen of immune modulators patients receive, the company has received FDA clearance for the trial to continue.
The FDA recommends that companies use overall survival as a primary endpoint for clinical trials where feasible. The new guidance follows the surprising return of CBER Head Vinay Prasad, who has previously argued for prioritizing OS.
Capricor Therapeutics met with the FDA last week for a type A meeting, during which CEO Linda Marbán aimed to explain to the regulator that it got it wrong. Capricor plans to resubmit the application based on deramiocel’s existing dataset.
The small molecule, vatiquinone, had already flunked a Phase III trial, but the company pushed ahead with an approval bid anyway.