Study of Vitamin D in Untreated Metastatic Colorectal Cancer
Public ClinicalTrials.gov record NCT01516216. 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
Randomized, Double-Blind, Phase II Trial of Vitamin D Supplementation in Patients With Previously Untreated Metastatic Colorectal Cancer
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a prospective, randomized, double-blind phase II trial to evaluate the efficacy and safety of two doses of vitamin D supplementation in combination with standard chemotherapy in participants with previously-untreated metastatic colorectal adenocarcinoma.
Study identification
- NCT ID
- NCT01516216
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 139 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years and older
- 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
- Apr 13, 2012 (Actual)
- Primary completion
- Nov 9, 2019 (Actual)
- Completion
- Nov 9, 2019 (Actual)
- Last update posted
- Apr 26, 2022
2012 – 2019
United States locations
- U.S. sites
- 18
- U.S. states
- 5
- U.S. cities
- 16
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Mountain States Tumor Institute at St. Luke's Regional Medical Center | Boise | Idaho | 83712 | — |
| Mountain States Tumor Institute- Fruitland | Fruitland | Idaho | 83619 | — |
| Mountain States Tumor Institute - Meridian | Meridian | Idaho | 83642 | — |
| Mountain States Tumor Institute- Nampa | Nampa | Idaho | 83686 | — |
| Mountain States Tumor Institute- Twin Falls | Twin Falls | Idaho | 83301 | — |
| The Robert H. Lurie Comprehensive Cancer Center of Northwestern University | Chicago | Illinois | — | — |
| Massachusetts General Hospital | Boston | Massachusetts | 02115 | — |
| Beth Israel Deaconess Medical Center | Boston | Massachusetts | 02215 | — |
| Dana-Farber Cancer Institute | Boston | Massachusetts | 02215 | — |
| Lowell General Hospital | Lowell | Massachusetts | — | — |
| Dana-Farber/Brigham and Women's Cancer Center at Milford Regional Medical Center | Milford | Massachusetts | — | — |
| Newton-Wellesley Hospital | Newton | Massachusetts | — | — |
| Dana-Farber/Brigham and Women's Cancer Center in clinical affiliation with South Shore Hospital | South Weymouth | Massachusetts | — | — |
| New Hampshire Oncology Hematology-P.A. | Concord | New Hampshire | — | — |
| New Hampshire Oncology Hematology-P.A. | Hooksett | New Hampshire | — | — |
| New Hampshire Oncology Hematology-P.A. | Laconia | New Hampshire | — | — |
| Dana-Farber/New Hampshire Oncology-Hematology | Londonderry | New Hampshire | — | — |
| Vanderbilt-Ingram Cancer Center | Nashville | Tennessee | 37232 | — |
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 NCT01516216, 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 Apr 26, 2022 · Synced Oct 20, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT01516216 live on ClinicalTrials.gov.