# Understanding Effects of Cannabis Use and Abstinence on Neural Glutamate Homeostasis

> **NCT05664763** · EARLY_PHASE1 · TERMINATED · sponsor: **Yale University** · enrollment: 6 (actual)

## Conditions studied

- Cannabis Use Disorder

## Interventions

- **DRUG:** [18F]FPEB with PET
- **BEHAVIORAL:** Cannabis abstinence

## Key facts

- **NCT ID:** NCT05664763
- **Lead sponsor:** Yale University
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2023-03-01
- **Primary completion:** 2024-07-03
- **Final completion:** 2024-07-03
- **Target enrollment:** 6 (ACTUAL)
- **Why stopped:** Insufficient funding
- **Last updated:** 2025-08-19

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05664763

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05664763, "Understanding Effects of Cannabis Use and Abstinence on Neural Glutamate Homeostasis". Retrieved via AI Analytics 2026-07-26 from https://api.ai-analytics.org/clinical/NCT05664763. Licensed CC0.

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