Particle.news

Download on the App Store

FDA Halts Rocket’s RP-A501 Gene Therapy for Danon Disease After Patient’s Death

The hold follows a fatal capillary leak syndrome event prompting scrutiny of a newly introduced immune suppression agent

Image
Image

Overview

  • A participant in the Phase 2 RP-A501 trial died from complications related to capillary leak syndrome.
  • The FDA placed the trial on clinical hold to review safety data.
  • Rocket is undertaking a root cause analysis with emphasis on a newly introduced immune suppression agent in its pre-treatment regimen.
  • Shares plunged over 60% in trading to record lows and are down about 80% year-to-date.
  • The company reported $318.2 million in cash and investments, sufficient to fund operations into 2027.