Could vitamin d ease sarcoidosis? new trial investigates

NCT ID NCT03621553

Recruiting now Disease control Sponsor: University of Texas Southwestern Medical Center Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether vitamin D supplements can help people with sarcoidosis who have low vitamin D levels. Researchers will give some participants vitamin D2 and others a placebo, then measure changes in lung function and quality of life. The goal is to see if correcting vitamin D deficiency improves sarcoidosis symptoms.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: Vitamin D2 (ergocalciferol)
What this could lead to: If it works, this could show that correcting vitamin D insufficiency improves lung function and quality of life in sarcoidosis patients.
What could go wrong: This is a small, early-phase trial with only 90 participants. The placebo group may also show improvement, and results may not apply to all sarcoidosis patients.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

sarcoidosis vitamin D deficiency

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

SARCOIDOSIS VITAMIN D INSUFFICIENCY

Contacts and locations

Locations

University of Texas Southwestern Medical Center, and Parkland Health and Hospital System
RECRUITING

Dallas, Texas, 75390-9034, United States

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