Golodirsen Rebuff: Did Exondys 51 Review Strife Influence US FDA's Decision?

Sarepta cited two safety issues when announcing a complete response letter for its exon 53 skipping DMD drug golodirsen, but the US FDA's decision may be a result of the Exondys 51 approval from 2016, analysts suggest.

Rejected stamp

The US Food and Drug Administration's rejection of Sarepta Therapeutics Inc.' Duchenne muscular dystrophy (DMD) treatment golodirsen came as a shock to many, raising questions about whether the fallout from the Exondys 51 (eteplirsen) review factored into the agency's decision.

More from Complete Response Letters

Elevar/Hengrui’s Second US CRL A Bad Omen For Multiregional Trials In Asia-Dominant Cancers?

 

While CMC glitches linger over a US NDA for Elevar/Hengrui’s novel liver cancer combination following a second complete response letter, the separate issue of underrepresentation of US patients in multiregional trials is looming large after new FDA draft guidance last year.

US FDA Spikes Vanda’s Hetlioz For Insomnia, Lack Of Well-Controlled Trial ‘Fatal’

 
• By 

Acting Commissioner Sara Brenner rejected the company’s request for a hearing, saying the lack of an adequate and well-controlled trial showing tasimelteon's effectiveness in treating sleep-onset insomnia is “fatal to the application.”

Better Luck Next Year: US FDA CRLs May Be Rising, But Are Not The End Of The Story

 

Prospects are promising for many of the 16 novel candidates that received complete response letters in 2024 after half of the 2023 CRL class was approved the following year.

Pugilistic Vanda Collects Another NOOH As US FDA Defends Tradipitant Turndown

 

Vanda’s fight against a complete response letter for its gastroparesis drug results in a notice of opportunity for hearing on a formal FDA proposal to refuse to approve the NDA.

More from Product Reviews

European Regulator Deals Blow For Lilly’s Alzheimer’s Drug Kisunla

 

Eli Lilly’ will request a re-examination after the European Medicines Agency declined to recommend its Alzheimer’s disease drug Kisunla for EU approval.

EMA’s Newly Qualified AI Tool To Boost MASH Market Dynamics

 

The European Medicines Agency’s qualification of the AIM-NASH tool is said to signify a major advancement for clinical trials for metabolic dysfunction-associated steatohepatitis. The market size for MASH treatments is expected to grow substantially in the coming years.

EMA Considers Whether Intrathecal Zolgensma Deserves Fast Tracking

 

Novartis is planning to file EU and US marketing applications for an intrathecal formulation of its spinal muscular atrophy gene therapy, Zolgensma, in H1 2025.