# Cholecalciferol(25-[OH]-Vitamin D) in Treating Patients With Colorectal Cancer

> **NCT01403103** · EARLY_PHASE1 · WITHDRAWN · sponsor: **Case Comprehensive Cancer Center**

## Conditions studied

- Mucinous Adenocarcinoma of the Colon
- Mucinous Adenocarcinoma of the Rectum
- Signet Ring Adenocarcinoma of the Colon
- Signet Ring Adenocarcinoma of the Rectum
- Stage I Colon Cancer
- Stage I Rectal Cancer

## Interventions

- **DIETARY_SUPPLEMENT:** cholecalciferol
- **PROCEDURE:** biopsy
- **GENETIC:** protein expression analysis
- **OTHER:** enzyme-linked immunosorbent assay
- **OTHER:** laboratory biomarker analysis
- **GENETIC:** reverse transcriptase-polymerase chain reaction

## Key facts

- **NCT ID:** NCT01403103
- **Lead sponsor:** Case Comprehensive Cancer Center
- **Sponsor class:** OTHER
- **Phase:** EARLY_PHASE1
- **Study type:** INTERVENTIONAL
- **Status:** WITHDRAWN
- **Start date:** 2012-04
- **Primary completion:** 2014-01
- **Final completion:** 2014-01
- **Target enrollment:** 0 (ACTUAL)
- **Why stopped:** Slow Accrual
- **Last updated:** 2014-01-17

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01403103

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01403103, "Cholecalciferol(25-[OH]-Vitamin D) in Treating Patients With Colorectal Cancer". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT01403103. Licensed CC0.

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