# Vitamin D Supplementation and TB

> **NCT01992263** · NA · UNKNOWN · sponsor: **Cornell University** · enrollment: 200 (estimated)

## Conditions studied

- Tuberculosis
- Vitamin D
- Immunity

## Interventions

- **DIETARY_SUPPLEMENT:** Vitamin D (600 IU)
- **DIETARY_SUPPLEMENT:** Vitamin D (2000 IU)
- **DIETARY_SUPPLEMENT:** Vitamin D (4000 IU)
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT01992263
- **Lead sponsor:** Cornell University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2021-06
- **Primary completion:** 2022-09
- **Final completion:** 2023-02
- **Target enrollment:** 200 (ESTIMATED)
- **Last updated:** 2020-09-09

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01992263

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01992263, "Vitamin D Supplementation and TB". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT01992263. Licensed CC0.

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