Clinical trial · Interventional
Vitamin D Supplementation Study
A Feasibility Study of Perioperative Vitamin D Supplementation in Patients Undergoing Colorectal Cancer Resection
NCT05506696CI-TRIAL-00068504completedN/AClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
Patients with colorectal cancer will be recruited to undergo vitamin D supplementation in the peri-operative period. Vitamin D levels (25OHD) will be measured to assess response to supplementation.
Conditions
Conditions (2)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Colorectal Cancer | Malignant Colorectal Neoplasm | CURATED_BROADER | 0.80 |
| Vitamin D Deficiency | — | UNRESOLVED | — |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Fultium | Dietary Supplement | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- EXPERIMENTAL
- label
- Vitamin D supplementation
- description
- 3200IU cholecalciferol (Fultium) peri-operatively
- interventionNames
- Dietary Supplement: Fultium
- type
- NO_INTERVENTION
- label
- Control
- description
- No treatment. Control arm.
Primary outcomes (1)
- measure
- 25OHD level
- timeFrame
- Peri-operative, up to 4 weeks post-operative
- description
- 25OHD level measured by LC/MS
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 18 Years
- Maximum age
- 100 Years
Show eligibility criteria text
Inclusion criteria - * All participants will be aged 16 years or over. * Participants must be resident in the United Kingdom. * Undergoing bowel cancer surgery Exclusion criteria * Patients who may be at increased risk from Vitamin D supplementation including: * Kidney disease * High levels of calcium in the blood * Atherosclerosis * Sarcoidosis * Histoplasmosis * Over-active parathyroid gland (hyperparathyroidism) * Lymphoma * Currently taking thiazide diuretics, digoxin or other cardiac glycosides * Known allergy to nuts (as peanut oil contained within vitamin D preparations) * Female subjects of child bearing age who are not taking effective contraception during the period of the trial
References
Publications (0)
Data not yet available
No reference posted for this study.