# Calcitriol in Preventing Lung Cancer in Smokers and Former Smokers at High Risk of Lung Cancer

> **NCT00690924** · NA · COMPLETED · sponsor: **Roswell Park Cancer Institute** · enrollment: 16 (actual)

## Conditions studied

- Lung Cancer
- Precancerous Condition
- Tobacco Use Disorder

## Interventions

- **DRUG:** calcitriol
- **OTHER:** laboratory biomarker analysis
- **OTHER:** pharmacological study

## Key facts

- **NCT ID:** NCT00690924
- **Lead sponsor:** Roswell Park Cancer Institute
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2008-07-17
- **Primary completion:** 2017-03-07
- **Final completion:** 2018-03-07
- **Target enrollment:** 16 (ACTUAL)
- **Last updated:** 2018-06-04

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00690924

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00690924, "Calcitriol in Preventing Lung Cancer in Smokers and Former Smokers at High Risk of Lung Cancer". Retrieved via AI Analytics 2026-06-05 from https://api.ai-analytics.org/clinical/NCT00690924. Licensed CC0.

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