Study of the Effect of Vitamin D as an Add-on Therapy to Corticosteroids in Asthma
Public ClinicalTrials.gov record NCT01248065. 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.
Official title
Vitamin D Add-on Therapy Enhances Corticosteroid Responsiveness in Asthma
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The purpose of the study is to find out if taking vitamin D in addition to an asthma controller medication helps to prevent worsening of asthma symptoms and asthma attacks.
Study identification
- NCT ID
- NCT01248065
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 408 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years and older
- 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
- Apr 2011 (Type not available)
- Primary completion
- Jan 2014 (Actual)
- Completion
- Jan 2014 (Actual)
- Last update posted
- Aug 13, 2014
2011 – 2014
United States locations
- U.S. sites
- 16
- U.S. states
- 10
- U.S. cities
- 13
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of California - San Francisco | San Francisco | California | 94143 | — |
| National Jewish Health | Denver | Colorado | 80206 | — |
| Emory University | Atlanta | Georgia | 30322 | — |
| Northwestern Memorial Hospital | Chicago | Illinois | 60611 | — |
| Rush University Medical Center/Stroger Hospital | Chicago | Illinois | 60612 | — |
| University of Illinois at Chicago | Chicago | Illinois | 60612 | — |
| University of Chicago | Chicago | Illinois | 60637 | — |
| Brigham and Women's Hospital | Boston | Massachusetts | 02115 | — |
| Washington University | St Louis | Missouri | 63110 | — |
| Duke University School of Medicine | Durham | North Carolina | 27110 | — |
| North Carolina Clinical Research | Raleigh | North Carolina | 27607 | — |
| Wake Forest University Health Sciences | Winston-Salem | North Carolina | 27157 | — |
| Rainbow Babies and Children's Hospital | Cleveland | Ohio | 44106 | — |
| University of Pittsburgh | Pittsburgh | Pennsylvania | 15213 | — |
| University of Wisconsin-Madison | Madison | Wisconsin | 53792 | — |
| Aurora Sinai Medical Center | Milwaukee | Wisconsin | 53233 | — |
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 NCT01248065, 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 13, 2014 · Synced Oct 17, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT01248065 live on ClinicalTrials.gov.