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Let’s Go To The Video: Recordings Of DMD Patients After Elevidys Treatment ‘Compelling’ But Not Substantial Evidence

 
• By Sue Sutter

CBER Director Peter Marks urged the review teams for Sarepta’s gene therapy to consider pre- and post-treatment videos showing improved physical function, but clinical and statistical reviewers cited limitations in the patient videos and said they failed to inform whether micro-dystrophin is a suitable surrogate endpoint for accelerated approval.

Drug Review Profile: Elevidys
Before-and-after treatment videos were not enough to convince the FDA's clinical and statistical reviewers of the gene therapy's efficacy. • Source: Shutterstock

Videos aimed at showing improved function among Duchenne muscular dystrophy patients after receiving Sarepta Therapeutics, Inc.’s gene therapy Elevidys (delandistrogene moxeparvovec-rokl) are compelling but do not provide the substantial evidence needed to support an approval action, a US Food and Drug Administration clinical reviewer said.

Before-and-after videos of clinical trial participants, along with clinical investigator testimony, suggest that SRP-9001 may provide benefit to some patients but “do not address FDA’s broader concerns of how to identify which patients may benefit and which may not, and whether Elevidys micro-dystrophin is a suitable surrogate

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Potency Assay Issues Delayed US FDA Approval Of Mesoblast’s Ryoncil For Years

 
• By Sue Sutter

The company’s failure to show its potency assays measured attributes directly related to the mesenchymal stromal cell product’s therapeutic effect highlights the importance of a robust CMC program for complex cell therapies.

Mesoblast’s Ryoncil: US FDA Changed Its Mind On Need For A Randomized Trial

 
• By Sue Sutter

Agency staff repeatedly said the BLA based on a single-arm study in 55 patients lacked substantial evidence of effectiveness in steroid-refractory acute graft-versus-host disease and a randomized trial was needed, but changed course “based on additional consideration” after a second CRL.

Ryoncil Chronology: Three Review Cycles, Two CRLs, One Dispute Resolution Request

 
• By Sue Sutter

The Pink Sheet’s Drug Review Profile looks at the timeline for the clinical development and US FDA review of Mesoblast’s remestemcel for graft-versus-host disease.

Testosterone, TRAVERSE, And A Label Change 15 Years In The Making

 
• By Bridget Silverman

The Pink Sheet drug review profile investigates the long and rigorous process behind the FDA’s recent relaxation of the cardiovascular safety warning for testosterone products.

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Blenrep’s Revival Gains Steam: EMA Decision Imminent As Japan Approves New Regimen

 
• By Neena Brizmohun

The European Medicines Agency is due to decide whether GSK’s previously approved multiple myeloma drug that was withdrawn from the market in 2022 should be approved again for use in combination with BorDex or PomDex. Meanwhile, Japan today became the second major regulator to approve the Blenrep combinations.

Smoldering Myeloma Endpoint Questions Carry J&J’s Darzalex Faspro To US FDA AdComm

 
• By Bridget Silverman

The US FDA seeks advice on the clinical meaningfulness of the endpoints of J&J’s AQUILA trial in smoldering multiple myeloma, highlighting the pitfalls of being the first candidate for the precancerous condition.

US FDA Adcomm To Consider If Genentech’s Columvi Study Generalizable To US

 
• By Sue Sutter

Patients from Asia saw a differential treatment effect versus non-Asian regions in the Phase III multiregional study, with an adverse survival trend seen in the latter group, the FDA said about the lymphoma drug.