Effectiveness of High Dose Vitamin D Supplementation in Stage III Colorectal Cancer
Public ClinicalTrials.gov record NCT02603757. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Prospective Pilot Study to Assess the Effectiveness of Vitamin D Supplementation for Patients Requiring Chemotherapy for Stage III Colorectal Cancer
Study identification
- NCT ID
- NCT02603757
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Legacy Health System
- Other
- Enrollment
- 70 participants
Conditions and interventions
Conditions
Interventions
- cholecalciferol Dietary Supplement
Dietary Supplement
Eligibility (public fields only)
- Age range
- 18 Years to 99 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Feb 29, 2016
- Primary completion
- May 31, 2020
- Completion
- May 31, 2020
- Last update posted
- Sep 30, 2020
2016 – 2020
United States locations
- U.S. sites
- 3
- U.S. states
- 1
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Legacy Mount Hood Medical Center | Gresham | Oregon | 97030 | — |
| Legacy Good Samaritan Medical Center | Portland | Oregon | 97210 | — |
| Legacy Meridian Park Medical Center | Tualatin | Oregon | 97062 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02603757, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Sep 30, 2020 · Synced Jun 25, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02603757 live on ClinicalTrials.gov.