Phase 2 PTSD Trial, Recruiting
Who may be able to join
AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI
Who might be able to join this trial:
For the person with PTSD:
- People who have a diagnosis of PTSD that meets the study's criteria.
- People who have a close person in their life (such as a partner, family member, or friend) who is willing and able to take part in the study alongside them.
- People who are at least 18 years old.
- People who live in Ontario within the Greater Toronto Area (GTA).
- People who are in good general physical health.
- People who can speak and read English well.
- People who are willing to have all their visits recorded on audio and video.
- People who are able to swallow pills.
- People who are willing to follow all study rules and attend all required medical and therapy appointments.
- People who are currently in therapy and are willing to allow study therapists to speak directly with their existing therapist.
- People who are willing to stop taking psychiatric medications, herbal supplements, and all other prescription and non-prescription medications for the duration of the study.
- People who agree to stay overnight on two separate occasions following each full-day MDMA-assisted therapy session, and who agree not to drive for at least 24 hours after taking MDMA.
- People who are not pregnant and who agree not to become pregnant during the study (if pregnancy is possible for them).
- People who have a supportive relative, spouse, close friend, or caregiver — who is not taking part in the study — available to act as an emergency contact.
- People who agree to inform the research team within 48 hours of any new medical conditions or procedures.
- People who agree not to join any other clinical trials during the study period.
For the close significant other (the supporting person joining alongside the PTSD participant):
- People who have a close relationship with someone in the study who has PTSD and who is willing and able to participate.
- People who are at least 18 years old.
- People who live in Ontario within the Greater Toronto Area (GTA).
- People who are in good general physical health.
- People who can speak and read English well.
- People who are willing to have all their visits recorded on audio and video.
- People who are able to swallow pills.
- People who are willing to follow all study rules and attend all required medical and therapy appointments.
- People who are currently in therapy and are willing to allow study therapists to speak directly with their existing therapist.
- People who are willing to stop taking psychiatric medications, herbal supplements, and all other prescription and non-prescription medications for the duration of the study.
- People who agree to stay overnight on two separate occasions following each full-day MDMA-assisted therapy session, and who agree not to drive for at least 24 hours after taking MDMA.
- People who are not pregnant and who agree not to become pregnant during the study (if pregnancy is possible for them).
- People who have a supportive relative, spouse, close friend, or caregiver — who is not taking part in the study — available to act as an emergency contact.
- People who agree to inform the research team within 48 hours of any new medical conditions or procedures.
- People who agree not to join any other clinical trials during the study period.
Who may not be able to join:
For the person with PTSD:
- People who are pregnant, or who could become pregnant and are not using birth control.
- People who have a history of, or currently have, a psychotic disorder, bipolar 1 disorder, or dissociative identity disorder.
- People who have a history of a medical condition that could make receiving MDMA unsafe, such as glaucoma, heart attack, stroke, or aneurysm.
- People who have a history of Type 2 diabetes that a doctor considers to be unstable.
- People who have an underactive thyroid (hypothyroidism) and are not currently taking thyroid replacement medication.
- People who have high blood pressure, a history of heart disease, heart failure, an irregular heartbeat, or who require heart medication.
- People who have symptomatic liver disease.
- People who have a history of low sodium levels in the blood (hyponatremia), which can cause confusion, seizures, fatigue, or reduced consciousness.
- People who have a history of dangerous overheating of the body (hyperthermia).
- People who weigh less than 48 kg.
- People who have recently engaged in suicidal behaviour or experienced serious suicidal thoughts (this will be assessed by the study team).
- People who currently require ongoing treatment with psychiatric medication.
- People who currently have an eating disorder involving purging behaviours.
- People who currently have severe depression with psychotic features.
- People who pose a serious risk of harm to others.
- People who have recently received Electroconvulsive Therapy (ECT), a treatment that uses electrical stimulation to the brain.
- People who have recently taken part in ketamine-assisted therapy or used ketamine.
- People who currently have a substance use disorder with physical dependence (not including caffeine or nicotine).
- People who have recently used "Ecstasy" (substances sold as containing MDMA).
- People who are not able to give informed consent to participate.
- People who are not able to meet the attendance, scheduling, and procedural requirements of the trial.
- People who are currently involved in compensation-related legal proceedings where financial benefit could result from ongoing PTSD or other psychiatric symptoms.
For the close significant other:
- People who themselves meet the diagnostic criteria for PTSD.
- People who are pregnant, or who could become pregnant and are not using birth control.
- People who have a history of, or currently have, a psychotic disorder, bipolar 1 disorder, or dissociative identity disorder.
- People who have a history of a medical condition that could make receiving MDMA unsafe, such as glaucoma, heart attack, stroke, or aneurysm.
- People who have a history of Type 2 diabetes that a doctor considers to be unstable.
- People who have an underactive thyroid (hypothyroidism) and are not currently taking thyroid replacement medication.
- People who have high blood pressure, a history of heart disease, heart failure, an irregular heartbeat, or who require heart medication.
- People who have symptomatic liver disease.
- People who have a history of low sodium levels in the blood (hyponatremia), which can cause confusion, seizures, fatigue, or reduced consciousness.
- People who have a history of dangerous overheating of the body (hyperthermia).
- People who weigh less than 48 kg.
- People who have recently engaged in suicidal behaviour or experienced serious suicidal thoughts (this will be assessed by the study team).
- People who currently require ongoing treatment with psychiatric medication.
- People who currently have an eating disorder involving purging behaviours.
- People who currently have severe depression with psychotic features.
- People who pose a serious risk of harm to others.
- People who have recently received Electroconvulsive Therapy (ECT).
- People who have recently taken part in ketamine-assisted therapy or used ketamine.
- People who currently have a substance use disorder with physical dependence (not including caffeine or nicotine).
- People who have recently used "Ecstasy" (substances sold as containing MDMA).
- People who are not able to give informed consent to participate.
- People who are not able to meet the attendance, scheduling, and procedural requirements of the trial.
- People who are currently involved in compensation-related legal proceedings where financial benefit could result from ongoing PTSD or other psychiatric symptoms.
Important: Always verify eligibility with the trial site directly before applying.
Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.
Contact this trial
Principal Investigator: Paul Uy, MD, Remedy Institute
Phone: 4372914747
Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.
GP referral letter
Print a one-page summary to share with your doctor.
Trial details
Where this trial is recruiting
Primary endpoints
Feasibility of Intervention Measure (FIM); Safety of Intervention; Intervention Appropriateness Measures (IAM); Long Term Follow-Up Questionnaire (LTFUQ); Clinician Administered PTSD Scale (CAPS-5)
Can't join this trial?
Data last synced from ClinicalTrials.gov: 9 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.