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:
- People who are United States Military Veterans
- People who have completed at least a high school education or the equivalent (such as a GED)
- People who have a current diagnosis of Post-Traumatic Stress Disorder (PTSD) according to standard diagnostic criteria (DSM-5)
- People whose PTSD symptoms score at or above a certain level on a standard clinical assessment at the start of the trial (confirm with trial site)
- People who are taking SSRI antidepressants, provided the dose has been stable for at least 3 months
- People currently attending talk therapy, provided the type and how often they attend has been stable for at least 2 months before screening and is expected to stay the same throughout the trial
- People who are found to be in generally good physical health based on an interview, medical questionnaire, physical examination, heart tracing (ECG), and routine blood and urine tests
- People who have not used hallucinogenic substances in the past 3 months and have no history of regular or frequent hallucinogen use
Who may not be able to join:
- People who are pregnant, breastfeeding, or are capable of becoming pregnant and are sexually active without using a highly effective form of contraception
- People whose partner is capable of becoming pregnant and who are sexually active without using a highly effective form of contraception
- People with certain heart or blood vessel conditions, such as coronary artery disease, stroke, chest pain (angina), uncontrolled high blood pressure, certain abnormal heart rhythms, a prolonged interval on a heart tracing (ECG), an artificial heart valve, or a mini-stroke (TIA) in the past year
- People whose blood pressure or resting heart rate is above certain levels at screening (confirm with trial site)
- People with epilepsy or a history of seizures
- People with insulin-dependent diabetes, or people taking oral diabetes medication who have experienced symptoms of low blood sugar
- People with a current or past diagnosis of schizophrenia, other psychotic disorders (with some exceptions — confirm with trial site), or Bipolar I or II Disorder
- People who have had a moderate or severe alcohol, tobacco, caffeine, or other substance use disorder in the past six months — note that regular smokers would need to agree to use a nicotine patch on dosing days, as smoking would not be permitted during those sessions
- People who have a parent, sibling, or child with schizophrenia or a related psychotic disorder
- People assessed by a clinician as being at immediate risk of suicide
- People whose psychiatric condition makes it difficult to build a trusting therapeutic relationship, such as those with long-term patterns of unstable relationships, significant stress-related paranoia, or identity disturbances
- People with a history of a medically serious suicide attempt
- People currently taking MAOI antidepressant medications
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
Phone: (832) 271-6615
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
Safety of psilocybin-assisted therapy for PTSD; Safety of psilocybin-assisted therapy for PTSD; Efficacy of psilocybin-assisted therapy for PTSD
Can't join this trial?
Data last synced from ClinicalTrials.gov: 16 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.