Examining how THC affects men and women differently

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

Phase 1 Interventional Yale University · NCT04704271

This study is testing how vaporized THC affects men and women differently to see if their reactions vary based on gender.

Quick facts

PhasePhase 1
Study typeInterventional
Enrollment100 (estimated)
Ages18 Years to 55 Years
SexAll
SponsorYale University Academic / other
Locations1 site (West Haven, Connecticut)
Trial IDNCT04704271 on ClinicalTrials.gov

What this trial studies

This study aims to investigate the acute effects of vaporized THC on healthy individuals, focusing on gender differences in response. It will involve administering THC and a placebo to participants who have prior cannabis exposure, while assessing their physical and mental health. The research seeks to understand the underlying mechanisms that contribute to any observed differences between men and women in their reactions to THC.

Who should consider this trial

Good fit: Ideal candidates are healthy individuals with at least one prior exposure to cannabis.

Not a fit: Patients who are cannabis naïve or experiencing major stressors may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to more personalized cannabis treatments based on gender-specific responses.

How similar studies have performed: While there is ongoing research into the effects of cannabinoids, this specific focus on gender differences is relatively novel.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

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

Exclusion Criteria:

* Cannabis naïve individuals
* Major current or recent stressors

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.