NCT02421263

Brief Summary

The current protocol is a pilot study of the effects and possible utility of psilocybin-facilitated experiences for professional religious leaders. We hypothesize that religious professionals, given their interests, training, and life experience, will be able to make nuanced discriminations of their psilocybin experiences, thus contributing to the scientific understanding of mystical-type experience. As we better characterize the phenomenology of psilocybin-induced mystical experiences, we may apply this knowledge to improve potential treatment studies in the future. A primary objective is to investigate changes in psychological functioning, spirituality, health, well-being, prosocial attitudes and behavior in professional religious leaders that may occur after receiving psilocybin under supportive conditions. A secondary objective is to determine whether participants who report having had the strongest mystical-type effects during psilocybin sessions will show the largest positive changes in the Interim Questionnaire.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
12

participants targeted

Target at below P25 for phase_1

Timeline
Completed

Started Apr 2015

Longer than P75 for phase_1

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2015

Completed
14 days until next milestone

First Submitted

Initial submission to the registry

April 15, 2015

Completed
5 days until next milestone

First Posted

Study publicly available on registry

April 20, 2015

Completed
5.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 5, 2020

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 5, 2020

Completed
Last Updated

February 14, 2022

Status Verified

February 1, 2022

Enrollment Period

5.2 years

First QC Date

April 15, 2015

Last Update Submit

February 10, 2022

Conditions

Keywords

PsilocybinPharmacologic ActionsPsychotropic Drugs

Outcome Measures

Primary Outcomes (1)

  • Interim Questionnaire

    This questionnaire asks about experiences and changes in attitudes, mood and behavior that occurred during the past 5 months. The questionnaire includes questions about salient spiritual experiences, changes in spiritual practices, changes in attitudes, moods, social interactions, and other behaviors related to participants' religious/spiritual vocation.

    6-Months after enrollment

Study Arms (2)

Immediate Participation Group

EXPERIMENTAL

Participants will begin psilocybin intervention immediately after study enrollment.

Drug: Psilocybin

Delayed Participation Group

ACTIVE COMPARATOR

Participants will begin the psilocybin intervention 6 months after study enrollment.

Drug: Psilocybin

Interventions

Participants will receive 20 mg/70 kg of psilocybin in the first session and will receive either 20 or 30 mg/70 kg in the second session.

Delayed Participation GroupImmediate Participation Group

Eligibility Criteria

Age25 Years - 76 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • to 76 years old
  • Have given written informed consent
  • College graduation or equivalent and graduate/professional training.
  • Recognized leadership position in a well-established religious organization; professional activities must include significant time interacting with those seeking religious/spiritual guidance or support.
  • During the next two years there is no foreseen likelihood for a major potentially life-altering event for her or himself or a close family member (e.g. retirement or major career change for the volunteer; life-threatening illness of a spouse or child of the volunteer)
  • Agree to consume approximately the same amount of caffeine-containing beverage (e.g., coffee, tea) that he/she consumes on a usual morning, before arriving at the research unit on the mornings of psilocybin session days. If the participant does not routinely consume caffeinated beverages, he/she must agree not to do so on session days.
  • Agree to refrain from using any psychoactive drugs, including alcoholic beverages and nicotine, 24 hours before and after each drug administration. The exception is caffeine. Participants will be required to be either a non-smoker or a non-daily smoker.
  • Agree not to take any PRN medications on the mornings of drug sessions
  • Agree not to take sildenafil (Viagra®), tadalafil, or similar medications within 72 hours of each drug administration.
  • Agree that for one week before each drug session, he/she will refrain from taking any nonprescription medication, nutritional supplement, or herbal supplement except when approved by the study investigators. Exceptions will be evaluated by the study investigators and will include acetaminophen, non-steroidal anti-inflammatory drugs, and common doses of vitamins and minerals.
  • Have no or limited lifetime use of hallucinogens. Preference will be given to enrolling volunteers with no prior use. If we decide to enroll a volunteer with prior use, preference will be given for those who report the fewest exposures or the least enduring effects from such use.

You may not qualify if:

  • Women who are pregnant (as indicated by a positive urine pregnancy test assessed at intake and before each drug session) or nursing; women who are of child-bearing potential and sexually active who are not practicing an effective means of birth control.
  • Cardiovascular conditions: coronary artery disease, stroke, angina, uncontrolled hypertension, a clinically significant ECG abnormality (e.g., symptomatic atrial fibrilation), or TIA in the past year
  • Epilepsy with history of seizures
  • Insulin-dependent diabetes; if taking oral hypoglycemic agent, then no history of hypoglycemia
  • Currently taking psychoactive prescription medication on a regular (e.g., daily) basis
  • Currently taking on a regular (e.g., daily) basis any medications having a primary centrally-acting pharmacological effect on serotonin neurons or medications that are MAO inhibitors. For individuals who have intermittent or PRN use of such medications, psilocybin sessions will not be conducted until at least 5 half-lives of the agent have elapsed after the last dose.
  • More than 20% outside the upper or lower range of ideal body weight according to Metropolitan Life height and weight table
  • Current or past history of meeting DSM-5 criteria for Schizophrenia, Psychotic Disorder (unless substance-induced or due to a medical condition), or Bipolar I or II Disorder
  • Current or past history within the last 5 years of meeting DSM-5 criteria for alcohol or substance use disorder (excluding caffeine and nicotine) or severe major depression
  • Have a first or second-degree relative with Schizophrenia, Psychotic Disorder (unless substance induced or due to a medical condition), or Bipolar I or II Disorder
  • Has a psychiatric condition judged to be incompatible with establishment of rapport or safe exposure to psilocybin
  • History of violent or suicidal behavior
  • Family history of completed suicide

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

NYU Langone Medical Center/Tisch Hospital

New York, New York, 10016, United States

Location

MeSH Terms

Interventions

Psilocybin

Intervention Hierarchy (Ancestors)

Indole AlkaloidsAlkaloidsHeterocyclic CompoundsIndolesHeterocyclic Compounds, 2-RingHeterocyclic Compounds, Fused-RingTryptaminesIndolizidinesIndolizines

Study Officials

  • Anthony Bossis, PhD

    New York University

    STUDY DIRECTOR
  • Stephen Ross, MD

    New York University

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
NONE
Purpose
HEALTH SERVICES RESEARCH
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

April 15, 2015

First Posted

April 20, 2015

Study Start

April 1, 2015

Primary Completion

June 5, 2020

Study Completion

June 5, 2020

Last Updated

February 14, 2022

Record last verified: 2022-02

Locations