Vitamin D Homeostasis in Sarcoidosis

Recruiting now · Phase 4 · Has a placebo group

Conditions studied: Sarcoidosis, Vitamin D Insufficiency

In brief

This study evaluates the relationship between vitamin-D status and severity of sarcoidosis, and the effects of vitamin-D repletion in vitamin-D insufficient patients with sarcoidosis. Half the patients with sarcoidosis who are vitamin-D insufficient will receive standard vitamin-D supplementation via standard regimen while the other half will receive a placebo. Sarcoidosis patients who are vitamin-D sufficient will also act as controls.

Key facts

Study ID

NCT03621553

Run by

University of Texas Southwestern Medical Center

People needed

90

Starts

2010-07-01

Expected to finish

2026-12-30

Last updated by the study team

2026-01-02

Who can join

Age: 21 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Stable medical condition defined as no hospitalization or emergency room visit in the previous 3 months
• No evidence of active pulmonary or systemic infection
• No other active inflammatory disease,
• No active malignancy.
• Normal serum ionized calcium level

You may not qualify if…

• Hospitalization or emergency room visit in the previous 3 months
• Evidence of active pulmonary or systemic infection
• Evidence of active other inflammatory disease
• Evidence of active malignancy
• Elevated serum ionized calcium level

Where it is running

• University of Texas Southwestern Medical Center, and Parkland Health and Hospital System — Dallas, Texas, United States (enrolling)

Full record on ClinicalTrials.gov

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