US FDA Questions Adequacy Of Mesoblast’s Remestemcel-L Single-Arm Study For Pediatric GVHD

In advisory committee briefing documents, agency also says critical quality attributes of the graft-versus-host disease treatment do not show a relationship with clinical potency and may not ensure control of clinical effectiveness of individual drug product lots.

Stem Cells Therapy Concept stem cell transplant through perfusion
FDA panel to vote on whether data support efficacy of remestemcel-L in pediatric patients with graft-versus-host disease • Source: Shutterstock

The US Food and Drug Administration is questioning whether Mesoblast Limited’s pivotal Phase III single-arm study of Ryoncil (remestemcel-L) is sufficient to grant approval of the cellular therapy for steroid-refractory acute graft-versus-host disease (SR-aGVHD) in pediatric patients.

Read the full article – start your free trial today!

Join thousands of industry professionals who rely on Pink Sheet for daily insights

  • Start your 7-day free trial
  • Explore trusted news, analysis, and insights
  • Access comprehensive global coverage
  • Enjoy instant access – no credit card required

More from US FDA Performance Tracker

AMR-Targeting Drug Secures EMA PRIME Designation

 

Antabio’s next-generation, broad-spectrum antibacterial, MEM-ANT3310, has made it onto the European Medicines Agency’s priority medicines scheme. The company says its product is designed to make a significant impact on the growing problem of antimicrobial resistance.

US FDA’s Review Performance Held Steady Despite Stormy First Quarter

 

Organizational turmoil has not yet affected reviews of novel agent applications, with Q1 2025 approvals coming in low, but the first quarter share of the entire year is variable.

‘Pipeline In A Pill’ Or Pipe Dream? US FDA’s April Goal Dates Test Expansion Strategies

 

Sanofi’s Dupixent, Amgen’s Uplizna, and Bristol’s Opdivo seek new indications, while J&J hopes to start a franchise with nipocalimab and Stealth’s day of reckoning approaches.

US FDA’s March Approval Candidates Take Aim At Established Markets

 

March features nearly 20 user fee goal dates, including a crowd of novel candidates for crowded areas like hemophilia, heart disease and urinary tract infections, as well as the potentially first therapies for a rare eye disease and hyperphagia of Prader-Willi syndrome.

More from Regulatory Trackers

‘Pipeline In A Pill’ Or Pipe Dream? US FDA’s April Goal Dates Test Expansion Strategies

 

Sanofi’s Dupixent, Amgen’s Uplizna, and Bristol’s Opdivo seek new indications, while J&J hopes to start a franchise with nipocalimab and Stealth’s day of reckoning approaches.

Global Pharma Guidance Tracker – February 2025

 

Stay up to date on regulatory guidelines from around the world with the Pink Sheet's Guidance Tracker. The complete Global Pharma Guidance Tracker, with sortable and searchable listings going back to 2014, is available online.

EU CHMP Opinions And MAA Updates

 

This is an update of recommendations from the European Medicines Agency's Committee for Medicinal Products for Human Use on the authorization of new medicines in the EU, and updates on EU marketing authorization changes recommended by the CHMP.