Clinical Trial

Vitamin D Homeostasis in Sarcoidosis

Recruiting Phase 4
View on ClinicalTrials.gov →
Record status
This record was last updated January 2, 2026 (before its estimated February 2026 completion). Its status may not reflect the trial's current state.
Summary
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.
Protocol Amendment History 9 amendments
This ClinicalTrials.gov record has been amended 9 times since 2018-08-07; most recent amendment 2025-12-30.
Status change: Active, Not Recruiting → Recruiting 2024-11-28
Status change: Recruiting → Active, Not Recruiting 2020-05-19
Status change: Not Yet Recruiting → Recruiting 2019-09-24
Trial Details
NCT Number NCT03621553
Lead Sponsor University of Texas Southwestern Medical Center
Conditions Sarcoidosis, Vitamin D Insufficiency
Enrollment 90 participants
Start Date 2010-07-01
Primary Completion 2026-02 (estimated)
Study Completion 2026-12-30 (estimated)
Updated on ClinicalTrials.gov 2026-01-02