Clinical trialNCT04331639RecruitingObservational

High Dose Interval Vitamin D Supplementation in Patients With Inflammatory Bowel Disease Receiving Biologic Therapy

SponsorBoston Children's HospitalEnrollment50Crohn DiseaseInflammatory Bowel DiseaseUlcerative ColitisVitamin D Deficiency

View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

The investigators will be administering oral high dose interval vitamin D, concurrently when participants are receiving biologic therapy for their inflammatory bowel disease. The investigators will be collecting some additional bloodwork and questionnaires at the time of participants infusions.

clinicaltrials.gov ↗

Investigators

The overall officials registered on this study. Names that resolve to a FindMyKOL profile link to it; the rest are shown as registered.

Rebecca Gordon, MD
Boston Children's Hospital
Principal Investigator
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A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

1 registered facility, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States

Boston Children'S Hospital
Boston, Massachusetts, United States
Recruiting

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study. It may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start: 1 Nov 2020
Primary completion: 1 Sept 2024
Completion: 31 Dec 2025
Last update posted: 3 Mar 2025
Registered enrollment: 50
Registry id: NCT04331639

clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; FindMyKOL does not interpret them.