# Vitamin D for Sickle-cell Respiratory Complications

> **NCT01443728** · PHASE2 · COMPLETED · sponsor: **Gary M Brittenham, MD** · enrollment: 70 (actual)

## Conditions studied

- Sickle Cell Disease
- Vitamin D Deficiency
- Acute Chest Syndrome
- Asthma
- Respiratory Infections

## Interventions

- **DRUG:** Experimental: Vitamin D3 100,000 IU
- **DRUG:** Active Comparator: Vitamin D3 12,000 IU

## Key facts

- **NCT ID:** NCT01443728
- **Lead sponsor:** Gary M Brittenham, MD
- **Sponsor class:** OTHER
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2011-12-13
- **Primary completion:** 2013-06-20
- **Final completion:** 2015-02-15
- **Target enrollment:** 70 (ACTUAL)
- **Last updated:** 2024-08-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01443728

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01443728, "Vitamin D for Sickle-cell Respiratory Complications". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT01443728. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*