An Evaluation of the Long-Term Safety and Efficacy of TSND-201 for the Treatment of PTSD

This study is evaluating the long-term safety and efficacy of TSND-201 in adults with PTSD. Participants that have completed a double-blind clinical trial with TNSD-201 for PTSD will be invited to participate in this open-label extension trial. Each participant will be able to receive up to three Treatment Courses over the duration of the study (up to 48 weeks). Each Treatment Course includes 4 dosing sessions, spaced one week apart.

NCT Number	NCT07670702
Lead Sponsor	Transcend Therapeutics
Conditions	Post Traumatic Stress Disorder
Enrollment	300 participants
Start Date	2026-06
Primary Completion	2028-12 (estimated)
Study Completion	2029-01 (estimated)
Updated on ClinicalTrials.gov	2026-06-26