09/02/2026 Krystal Biotech's KB707 received the FDA RMAT Designation for advanced or metastatic NSCLC Krystal Biotech's KB707 received the FDA RMAT Designation for advanced or metastatic NSCLC (Ref) The US FDA granted the Regenerative Medicine Advanced Therapy (RMAT) designation to Krystal Biotec's KB707 (redosable immunotherapy designed to drive sustained, localized expression of interleukin-2 and interleukin-12 in the tumor microenvironment) for the treatment of advanced or