Overview Induced Pluripotent Stem Cell Derived Exosomes Nasal Drops for the Treatment of Refractory Focal Epilepsy Status: Recruiting Trial end date: 2025-11-13 Target enrollment: Participant gender: Summary Evaluate the safety, tolerability, and preliminary efficacy of GD-iEXo-002 nasal drops in the treatment of focal refractory epilepsy Phase: Early Phase 1 Details Lead Sponsor: Peking Union Medical College HospitalCollaborator: Guidon Pharmaceutics Ltd.