Ensysce Biosciences Secures IRB Approval of Final Phase of PF614-MPAR-102 Clinical Study

~ Advances First-in-Class Opioid with Oral Overdose-Protection ~ SAN DIEGO, CA / ACCESS Newswire / April 16, 2026 / Ensysce Biosciences, Inc. (NASDAQ:ENSC) ("Ensysce" or the "Company"), a clinical-stage pharmaceutical company pioneering next-generation pain and central nervous system therapeutics engineered to minimize abuse and overdose risk, today announced Investigational Review Board (IRB) approval to initiate Part 3 of the PF614-MPAR-102 clinical study, marking the final stage in this study evaluating its novel MPAR® (Multi-Pill Abuse Resistance) overdose-protection technology. PF614-MPAR, which received Breakthrough Therapy designation from the U.S. FDA following the PF614-MPAR-101 study, represents a fundamentally new approach to opioid safety.