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Adjunctive Treatment With Vitamin D3 in Patients With Active IBD

NCT04225819 · Status: SUSPENDED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 100

Last updated 2026-04-27

No results posted yet for this study

Summary

Inflammatory bowel disease ((IBD), which includes Crohn's disease (CD) and ulcerative colitis (UC)), is a chronic, immune-mediated disease characterized by recurrent episodes of relapse. The incidence of IBD is increasing worldwide and poses as a burden that reduces quality of life and has a significant impact on health care resources.

The advent of monoclonal antibodies to tumor necrosis factor-α (anti-TNF) has revolutionized treatment of IBD, improving rates of remission and reducing hospitalizations and surgeries. Nevertheless, many patients do not adequately respond to these therapies or lose response over time. Thus, there is an important need for novel immunomodulating agents to improve our ability to achieve remission.

Besides its traditional role in bone homeostasis, several studies have recognized the important role Vitamin D plays in modulating the immune response, cancer, and cardiovascular disease. Specifically, Vitamin D may mediate immunity by modulating autophagy in leukocytes and regulating the gut microbiome. Thus, Vitamin D may play an important role in IBD. Furthermore, evidence suggests that the effect of vitamin D may be mediated through the TNF-α pathway, suggesting a synergy with anti-TNF therapy.

This is a randomized, double blind, placebo-controlled trial to study the effect of Vitamin D3 as an adjunct therapy for patients with active CD, UC, or IBD unspecified who are undergoing anti-TNF induction therapy.

Conditions

Interventions

DIETARY_SUPPLEMENT

Vitamin D3

Softgel capsules containing 5,000 IU cholecalciferol (Vitamin D3), sunflower oil, beef gelatin, glycerin, water

OTHER

Placebo

Sfotgel capsules containing sunflower oil, beef gelatin, glycerin, water

Sponsors & Collaborators

Principal Investigators

  • Ashwin Ananthakrishnan, MD, MPH · Massachusetts General Hospital

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2020-10-01
Primary Completion
2028-04-01
Completion
2029-04-01

Countries

  • United States

Study Locations

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Entities

Diseases
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04225819 on ClinicalTrials.gov