Vitamin D for Sickle-cell Respiratory Complications
Public ClinicalTrials.gov record NCT01443728. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Study identification
- NCT ID
- NCT01443728
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- Gary M Brittenham, MD
- Other
- Enrollment
- 70 participants
Conditions and interventions
Conditions
Interventions
- Active Comparator: Vitamin D3 12,000 IU Drug
- Experimental: Vitamin D3 100,000 IU Drug
Drug
Eligibility (public fields only)
- Age range
- 3 Years to 20 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 12, 2011
- Primary completion
- Jun 19, 2013
- Completion
- Feb 14, 2015
- Last update posted
- Aug 8, 2024
2011 – 2015
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Columbia University Irving Medical Center | New York | New York | 10032 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT01443728, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Aug 8, 2024 · Synced May 14, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01443728 live on ClinicalTrials.gov.