Effects of Vitamin D on Dialysis Patients

Vitamin D in Dialysis Patients - Diagnostic and Therapeutic Management

Observational Medical University of Gdansk · NCT06571344

This study is testing how taking vitamin D affects bone and mineral health in people on dialysis.

Quick facts

Study typeObservational
Enrollment160 (estimated)
Ages18 Years and up
SexAll
SponsorMedical University of Gdansk Academic / other
Locations1 site (Gdansk)
Trial IDNCT06571344 on ClinicalTrials.gov

What this trial studies

This observational study aims to investigate how cholecalciferol administration impacts laboratory parameters related to Chronic Kidney Disease-Mineral and Bone Disorder in dialysis patients. By analyzing medical records over a period of up to four years, the study will focus on the effects of vitamin D levels on calcium and phosphate metabolism. Participants will be monitored for changes in various biomarkers, including 25(OH)D, calcium, phosphates, and parathyroid hormone levels, to assess the efficacy and safety of vitamin D supplementation.

Who should consider this trial

Good fit: Ideal candidates for this study are dialysis patients with chronic kidney disease stage 5 who have vitamin D deficiency or insufficiency.

Not a fit: Patients who have been on dialysis for less than three months or those with inadequately controlled secondary hyperparathyroidism may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could improve the management of vitamin D deficiency in dialysis patients, potentially enhancing their overall health outcomes.

How similar studies have performed: While there have been studies on vitamin D supplementation in various populations, this specific approach in dialysis patients is less explored, making it a novel investigation.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* CKD stage 5,dialysed patients with vitamin D deficiency or insufficiency (level of 25(OH)D \< 30 ng/mL)

Exclusion Criteria:

* dialysis time of less than 3 months
* inadequately controled secondary hyperparathyroidism (iPTH\>800pg/mL)
* treatment with calcimimetics
* treatment with active forms of vitamin D3,
* parathyroidectomy
* bilateral nephrectomy
* treatment with corticosteroids
* lack of consent to take part in the study.

Where this trial is running

Gdansk

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.
Conditions Vitamin D Deficiency Due to Chronic Kidney Diseasevitamin Dcholecalciferol25-hydroxycholecalciferolparathyroid hormoneFGF23GDF15chronic kidney disease-mineral and bone disorder
Last reviewed 2026-06-13 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.