Exhibit 99.1 Ensysce Biosciences Reports First Quarter 2025 Financial Results Receives U.S. Patent for Groundbreaking Treatment for Opioid Use Disorder Clinical Trial on Novel Analgesic, PF614-MPAR, Demonstrates Overdose Protection SAN DIEGO, CA / May 13, 2025 / Ensysce Biosciences, Inc. (NASDAQ: ENSC) ("Ensysce" or the "Company"), a clinical-stage pharmaceutical company developing innovative solutions for severe pain relief while reducing the potential for opioid abuse and overdose, today reported financia ...