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Completed Phase 3 Interventional

Vitamin D for Enhancing the Immune System in Cystic Fibrosis (DISC Study)

ClinicalTrials.gov ID: NCT01426256

Public ClinicalTrials.gov record NCT01426256. 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.

ClinicalTrials.gov public records Last synced Oct 19, 2026, 7:45 PM EDT

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 for Enhancing the Immune System in Cystic Fibrosis

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The purpose of this study is determine if high-dose vitamin D supplementation improves clinical outcomes related to lung function and immunity in patients with Cystic Fibrosis who are admitted to the hospital with an acute lung infection.

Study identification

NCT ID
NCT01426256
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Emory University
Other
Enrollment
91 participants

Conditions and interventions

Interventions

Dietary Supplement

Eligibility (public fields only)

Age range
16 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
Oct 2011 (Type not available)
Primary completion
Apr 2017 (Actual)
Completion
Jul 2017 (Actual)
Last update posted
Jul 13, 2017

2011 – 2017

United States locations

U.S. sites
5
U.S. states
4
U.S. cities
5
Facility City State ZIP Site status
University of Alabama at Birmingham Birmingham Alabama 35233 —
Emory Hospital Atlanta Georgia 30322 —
University of Iowa Iowa City Iowa 52242 —
University of Cincinnati Cincinnati Ohio 45267 —
Case Western Reserve University Cleveland Ohio 44106 —

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 NCT01426256, 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 Jul 13, 2017 · Synced Oct 19, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT01426256 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →