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Emflaza's 505(b)(2) Pathway Review: Rare, But With Precedent

 
• By Bridget Silverman

US FDA has relied on 505(b)(2) pathway to approve a small group of 'orphaned orphan' drugs – products without patent protection being used on an informal 'gray market' of personal importation and compassionate use protocols.

The pricing controversy surrounding Marathon Pharmaceuticals LLC's aborted launch of Emflaza (deflazacort) for Duchenne muscular dystrophy has also drawn critical attention to what Sen. Bernie Sanders and Rep. Elijah Cummings call the "unusual circumstances" of the drug's approval by FDA.

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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.

More from Product Reviews

PharmaMar Seeks EU Fast-Track Status For ‘Practice-Changing’ ES-SCLC Therapy

 
• By Neena Brizmohun

PharmaMar, which wants to use the Jazz Pharmaceuticals-partnered drug, lurbinectedin, in combination with Roche’s Tecentriq for treating extensive-stage small cell lung cancer, is one of two companies that this month sought an accelerated assessment of their planned EU marketing applications.

US FDA Miss On Stealth’s Elamipretide Boosts Signal Of Broader Delays Due To Staff Cuts

 
• By Sue Sutter

Failing to meet the 29 April user fee date for the Barth syndrome treatment, and CDER’s request for a delay in responding to Vanda’s appeal of a tradipitant complete response letter, suggest a slowdown in review work due to layoffs and other recent changes.

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.