Cholecalciferol in Improving Survival in Patients With Newly Diagnosed Cancer With Vitamin D Insufficiency
Public ClinicalTrials.gov record NCT01787409. 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
Effect of Vitamin D Replacement on Tumor Response and Survival Parameters for Vitamin D Insufficient Patients With Cancer
Study identification
- NCT ID
- NCT01787409
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Not applicable
- Lead sponsor
- Mayo Clinic
- Other
- Enrollment
- 565 participants
Conditions and interventions
Conditions
- Aggressive Non-Hodgkin Lymphoma
- Anaplastic Large Cell Lymphoma
- Angioimmunoblastic T-Cell Lymphoma
- Chronic Lymphocytic Leukemia
- Diffuse Large B-Cell Lymphoma
- Enteropathy-Associated T-Cell Lymphoma
- Hepatosplenic T-Cell Lymphoma
- Mature T-Cell and NK-Cell Non-Hodgkin Lymphoma
- Mediastinal (Thymic) Large B-Cell Lymphoma
- Nasal Type Extranodal NK/T-Cell Lymphoma
- Peripheral T-Cell Lymphoma, Not Otherwise Specified
- Primary Cutaneous Anaplastic Large Cell Lymphoma
- Refractory Anaplastic Large Cell Lymphoma
- Small Lymphocytic Lymphoma
- Subcutaneous Panniculitis-Like T-Cell Lymphoma
Interventions
- Cholecalciferol Dietary Supplement
- Laboratory Biomarker Analysis Other
Dietary Supplement · Other
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
- Mar 5, 2013
- Primary completion
- Jun 29, 2028
- Completion
- Jun 29, 2028
- Last update posted
- Dec 29, 2025
2013 – 2028
United States locations
- U.S. sites
- 5
- U.S. states
- 5
- U.S. cities
- 5
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Mayo Clinic in Arizona | Scottsdale | Arizona | 85259 | — |
| Emory University/Winship Cancer Institute | Atlanta | Georgia | 30322 | — |
| University of Iowa/Holden Comprehensive Cancer Center | Iowa City | Iowa | 52242 | — |
| Mayo Clinic | Rochester | Minnesota | 55905 | — |
| Washington University School of Medicine | St Louis | Missouri | 63110 | — |
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 NCT01787409, 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 Dec 29, 2025 · Synced May 4, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01787409 live on ClinicalTrials.gov.