# Repeated Administration of Cannabis Varying in THC and CBD

> **NCT05563948** · PHASE2 · SUSPENDED · sponsor: **New York State Psychiatric Institute** · enrollment: 100 (estimated)

## Conditions studied

- Cannabis

## Interventions

- **DRUG:** Cannabis

## Key facts

- **NCT ID:** NCT05563948
- **Lead sponsor:** New York State Psychiatric Institute
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** SUSPENDED
- **Start date:** 2026-06-01
- **Primary completion:** 2032-09-30
- **Final completion:** 2034-09-30
- **Target enrollment:** 100 (ESTIMATED)
- **Why stopped:** In response to quality assurance and compliance concerns, OHRP issued an FWA restriction on NYSPI research that included a pause of human research as of June 23, 2023.
- **Last updated:** 2026-04-13


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05563948

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05563948, "Repeated Administration of Cannabis Varying in THC and CBD". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT05563948. Licensed CC0.

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