22 June 2026 - Prime Medicine today announced that the US FDA has granted regenerative medicine advanced therapy designation to PM359, an investigational autologous Prime Edited hematopoietic stem cell therapy for the treatment of p47phox-deficient chronic granulomatous disease.
Regenerative medicine advanced therapy designation was granted based on Phase 1/2 clinical data, including data previously published in The New England Journal of Medicine, and will provide the benefits of intensive FDA guidance and expedited review through the program’s development.