RecruitingPhase 1Drug trialPsilocybin and Methylenedioxymethamphetamine (MDMA) for Post-traumatic Stress Disorder (PTSD)The purpose of this study is to assess the safety and effectiveness of co-administered MDMA and psilocybin in military Veterans with a diagnosis of Posttraumatic Stress Disorder (PTSD). To apply or learn more, please view our website: https://hopkinspsychedelic.org/pamvet