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Could vitamin d boost immunity in black prostate cancer patients?

NCT ID NCT05045066

Recruiting now Knowledge-focused Sponsor: Mayo Clinic Source: ClinicalTrials.gov ↗

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

Summary

This study is looking at how common low vitamin D levels are among Black men with prostate cancer, and whether vitamin D supplements can improve their immune function. Researchers will measure vitamin D and immune markers in blood samples before and after supplementation. The goal is to understand if correcting vitamin D insufficiency helps the immune system work better.

What this could mean

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

Active substance
Vitamin D3 (cholecalciferol)
What this could lead to
If successful, this study could show that correcting vitamin D insufficiency improves immune function in Black prostate cancer patients, potentially pointing toward a simple way to support their health.
What could go wrong
This is an early-phase study with a small number of participants, so results may not apply broadly. It is designed to gather information, not to test a treatment for cancer itself.

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.

metastatic prostate carcinoma prostate cancer prostate carcinoma

As listed by the trial registrant

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

LOCALIZED PROSTATE CARCINOMA LOCALLY RECURRENT PROSTATE CARCINOMA METASTATIC PROSTATE CARCINOMA STAGE IV PROSTATE CANCER AJCC V8

Contacts and locations

Study contacts

  • Contact

    Email: •••••@•••••

Locations

  • Mayo Clinic in Arizona

    RECRUITING

    Scottsdale, Arizona, 85259, United States

    Contact Email: •••••@•••••

  • Mayo Clinic in Florida

    RECRUITING

    Jacksonville, Florida, 32224-9980, United States

    Contact Email: •••••@•••••

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