# Vitamin D and Cocaine Administration

> **NCT04826133** · EARLY_PHASE1 · TERMINATED · sponsor: **Yale University** · enrollment: 4 (actual)

## Conditions studied

- Cocaine Use Disorder

## Interventions

- **DRUG:** Calcitriol
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT04826133
- **Lead sponsor:** Yale University
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** TERMINATED
- **Start date:** 2019-03-27
- **Primary completion:** 2020-01-17
- **Final completion:** 2020-01-17
- **Target enrollment:** 4 (ACTUAL)
- **Why stopped:** Could not obtain additional funding to continue the research.
- **Last updated:** 2023-08-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04826133

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04826133, "Vitamin D and Cocaine Administration". Retrieved via AI Analytics 2026-06-03 from https://api.ai-analytics.org/clinical/NCT04826133. Licensed CC0.

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