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Harvoni Approval Led To Narrowing Of Epclusa's Breakthrough Status

 
• By Sue Sutter

US FDA cited strong efficacy, good safety of Gilead's Harvoni and AbbVie's Viekira Pak in rescinding breakthrough therapy designation for the sofosbuvir/velpatasvir fixed-dose combination in hepatitis C patients with genotype 1 infection.

Gilead Sciences Inc.'s breakthrough therapy designation experience with its hepatitis C treatment Epclusa (sofosbuvir/velpatasvir) reflects the fluidity of the expedited program in a fast-moving therapeutic area.

The original breakthrough designation granted to Epclusa was subsequently narrowed by FDA due to the availability of other safe and...

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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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Ultragenyx Says CRL Discussions ‘Productive’ Despite US FDA Leadership Upheaval

 
• By Jessica Merrill

Ultragenyx said talks with the FDA about a path forward after receiving a CRL for UX111 have been productive despite the recent upheaval at the agency.

Research Advances And Filings Prompt EMA To Revise Alzheimer’s Trial Guideline

 
• By Neena Brizmohun

Following EU approval of the first disease-modifying treatment for Alzheimer’s disease, and with a second expected soon, the European Medicines Agency plans to update its guidance to support the design of state-of-the-art clinical trials for the disease and enhance drug development.

US FDA Requires Opioid Class Labeling Changes Despite Adcomm Advice

 
• By Kate Rawson

Quantitative estimates of the safety risks with opioid pain medication, including the risk of addiction and misuse, must be added to labeling.