Examining how gender affects the immediate effects of THC in healthy individuals

Gender Related Differences in the Acute Effects of Delta-9-Tetrahydrocannabinol in Healthy Humans: Sub-Study I

Phase 1 Interventional Yale University · NCT02811510

This study is testing how a synthetic form of THC affects healthy men and women differently to see if gender plays a role in its effects.

Quick facts

PhasePhase 1
Study typeInterventional
Enrollment40 (estimated)
Ages18 Years to 55 Years
SexAll
SponsorYale University Academic / other
Locations1 site (West Haven, Connecticut)
Trial IDNCT02811510 on ClinicalTrials.gov

What this trial studies

This study aims to investigate the acute effects of Dronabinol, a synthetic form of THC, in healthy men and women. Participants will receive either a placebo or a 10 mg capsule of Dronabinol to assess how gender influences the drug's effects. The research will also explore the underlying mechanisms that may contribute to any observed differences between genders. By focusing on individuals with prior cannabis exposure, the study seeks to provide insights into gender-related responses to cannabinoids.

Who should consider this trial

Good fit: Ideal candidates are healthy individuals with prior cannabis exposure, regardless of gender.

Not a fit: Patients who are cannabis naive or have significant stressors or hormonal treatments may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance understanding of how gender influences cannabinoid effects, leading to more personalized treatment approaches.

How similar studies have performed: While studies on cannabinoids exist, this specific focus on gender differences in acute effects is relatively novel and has not been extensively tested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* At least one lifetime exposure to cannabis
* Good physical and mental health

Exclusion Criteria:

* Cannabis naive individuals
* Major current or recent stressors
* Taking estrogen supplements or oral contraceptive pills (for women)
* Sesame oil allergy

Where this trial is running

West Haven, Connecticut

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Cannabis
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.