Vitamin D supplementation to prevent peritonitis in dialysis patients

The Effects of Oral Vitamin D Supplementation on the Prevention of Peritoneal Dialysis-related Peritonitis, a Multicenter Randomized Controlled Trial

Phase 4 Interventional Peking University First Hospital · NCT05860270

This study is testing if taking Vitamin D can help prevent future infections in people on peritoneal dialysis who have recently had peritonitis.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment176 (estimated)
Ages19 Years and up
SexAll
SponsorPeking University First Hospital Academic / other
Locations1 site (Beijing, Beijing Municipality)
Trial IDNCT05860270 on ClinicalTrials.gov

What this trial studies

This multicenter randomized, placebo-controlled trial investigates the effects of oral Vitamin D3 supplementation on patients undergoing peritoneal dialysis who have recently recovered from an episode of peritonitis. A total of 176 eligible participants will be randomly assigned to receive either Cholecalciferol (4000 U daily) or a placebo for a duration of 24 months. The primary goal is to determine if Vitamin D3 can reduce the incidence of subsequent peritoneal dialysis-related peritonitis. Participants will be monitored for various outcomes, including the occurrence of further peritonitis episodes.

Who should consider this trial

Good fit: Ideal candidates are adults over 18 years old who are medically stable, have been on peritoneal dialysis for more than one month, and have low serum Vitamin D levels.

Not a fit: Patients with a history of certain medical conditions, recent infections, or those currently receiving Vitamin D supplementation may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could significantly reduce the risk of recurrent peritonitis in patients on peritoneal dialysis.

How similar studies have performed: While the specific approach of using Vitamin D supplementation in this context is novel, previous studies have suggested potential benefits of Vitamin D in various health conditions.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Medically stable and receiving peritoneal dialysis for \> 1 month
* Older than 18 years old
* Serum 25(OH)D \< 30ng/ml
* Adequate dialysis on evaluation with weekly Kt/V ≥ 1.5, or (revised time: 2023-7-11) without clinical uremic symptoms

Exclusion Criteria:

* Receive Vitamin D2/D3 during the previous 1 month (revised time: 2023-7-11) ;
* History of allergic reaction to Cholecalciferol;
* Current or past malignant disease, active hepatitis or hepatic failure, active autoimmune disease, severe digestive malabsorption or an eating disorder, HIV/AIDS;
* Acute systemic infection, cardiovascular disease, surgery, or trauma in the last month;
* A high probability of receiving a kidney transplant or transferring to hemodialysis or drop-out due to socioeconomic causes within 6 months;
* History of kidney transplant;
* Hemodialysis combined with peritoneal dialysis currently;
* Pregnant or breastfeeding;
* Not suitable enrolled assessed by researchers, including patients who could not regular follow-up

Where this trial is running

Beijing, Beijing Municipality

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 Peritoneal Dialysis-associated PeritonitisVitamin D DeficiencyPeritoneal dialysisPeritonitisCholecalciferol
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.