THC study aims to unravel Cannabis's impact on memory

NCT ID NCT02407808

Ongoing Knowledge-focused Sponsor: Yale University Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study at Yale University looks at how THC, the active ingredient in cannabis, affects short-term and long-term memory. Researchers will give 80 adults who have used cannabis before either a low dose of THC or a placebo and then test their memory. The goal is to better understand the effects of cannabinoids on learning and memory.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: THC (the active ingredient in cannabis)
What this could lead to: If successful, this study could help explain how cannabis affects memory, which may guide future research on its risks or potential uses.
What could go wrong: This is a small, early-phase study (Phase 1) focused on healthy volunteers, not a treatment trial. Results may not apply to people with memory disorders or heavy cannabis users.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

cannabis dependence psychotic disorder Psychotic Disorders

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

CANNABIS PSYCHOTIC DISORDERS

Contacts and locations

Locations

VA Connecticut Healthcare System

West Haven, Connecticut, 06516, United States

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