Exploring how vitamin D affects immune cell memory

Investigating the Mechanisms of Epigenetic Memory at the Example of the Responsiveness of Human Immune Cells to Vitamin D

PHASE1 · Polish Academy of Sciences · NCT06104111

This study is testing whether taking vitamin D3 can change how immune cells remember things in healthy adults.

Quick facts

PhasePHASE1
Study typeInterventional
Enrollment50 (estimated)
Ages18 Years to 65 Years
SexAll
SponsorPolish Academy of Sciences (other)
Locations1 site (Olsztyn)
Trial IDNCT06104111 on ClinicalTrials.gov

What this trial studies

This study investigates how vitamin D3 supplementation influences the epigenetic programming of immune cells in healthy adults. By following a small group of participants over time, the researchers will measure various molecular and dynamic parameters to understand the mechanistic basis of dietary epigenetic programming. The study aims to uncover how nutritional components like vitamin D3 can create lasting changes in the immune system's response. This approach combines in vivo, in vitro, and in silico methodologies to provide a comprehensive analysis of the effects of vitamin D on the epigenome.

Who should consider this trial

Good fit: Ideal candidates for this study are healthy adults aged 18 to 65 who do not have any significant health issues.

Not a fit: Patients with a history of certain medical conditions, such as kidney stones or severe liver disease, may not benefit from this study.

Why it matters

Potential benefit: If successful, this research could lead to improved dietary recommendations for enhancing immune function and reducing disease risk.

How similar studies have performed: While the specific approach of this study may be novel, previous research has shown that dietary components can influence epigenetic changes in various contexts.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

-Healthy adult (18-65 years)

Exclusion Criteria:

* Smoker
* BMI \> 28 kg/m2
* History of kidney stones, renal failure or dialysis, hypercalcemia, hypo- or hyperparathyroidism, severe liver disease (cirrhosis), or sarcoidosis or other granulomatous diseases, such as active chronic tuberculosis or Wegener's granulomatosis

Where this trial is running

Olsztyn

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Immune System Diseases, Infections, Healthy Lifestyle, Vitamin D, Epigenome, Transcriptome

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.