Clinical Trials Browser

Cholecalciferol × 1 year × Clear all

NCT01480869 2026-03-12

VITACAL

Phase 3 Completed

Breast Neoplasms

NCT04677816 2026-03-06

Impact of Vitamin D Supplementation on the Rate of Pathologic Complete Response in Vitamin D Deficient Patients

Phase 2 Recruiting

Vitamin D Deficiency, Triple Negative Breast Neoplasms

NCT04094688 2026-03-03

SOLARIS

Phase 3 Active not recruiting

455 enrolled 13 charts

Gastrointestinal

Colorectal Adenocarcinoma

NCT05045066 2026-03-02

Immunological Effects of Vitamin D Replacement Among Black/African American Prostate Cancer Patients

Phase EARLY_PHASE1 Recruiting

Prostatic Neoplasms

NCT05838716 2026-01-15

ViPER

Phase 3 Recruiting

Prostatic Neoplasms

NCT01787409 2025-12-30

Cholecalciferol in Improving Survival in Patients With Newly Diagnosed Cancer With Vitamin D Insufficiency

Phase NA Active not recruiting

DermatologicLymphoidOther hematologic neoplasm

Subcutaneous panniculitis-like T-cell lymphoma, Immunoblastic Lymphadenopathy, Leukemia, Lymphocytic, Chronic, B-Cell, Lymphoma, T-Cell, Lymphoma, Large B-Cell, Diffuse, Lymphoma, Large-Cell, Anaplastic, Lymphoma, Extranodal NK-T-Cell, Lymphoma, Primary Cutaneous Anaplastic Large Cell, Enteropathy-Associated T-Cell Lymphoma

NCT02553447 2025-12-15

Cholecalciferol in Newly Diagnosed Non-Hodgkin Lymphoma or Chronic Lymphocytic Leukemia With Vitamin D Deficiency

Phase NA Completed

LymphoidOther hematologic neoplasm

Lymphoma, Non-Hodgkin, Vitamin D Deficiency, Leukemia, Lymphocytic, Chronic, B-Cell

NCT01351805 2025-12-03

VITAL

Phase NA Completed

25,871 enrolled 15 charts

Arthritis, Rheumatoid, Autoimmune Diseases, Osteoarthritis, Psoriasis

NCT07256769 2025-12-01

Synostea

Osteoporosis Secondary

NCT01169259 2025-11-06

VITAL

Phase 3 Active not recruiting

25,871 enrolled 38 charts

Cardiovascular Diseases, Neoplasms

NCT04067726 2025-10-16

TRIDENT

Phase 2 Active not recruiting

Breast Neoplasms

NCT01419730 2025-06-04

Vitamin D and Physical Activity on Bone Health

Phase 2 Active not recruiting

Bone Metabolism Biomarkers

NCT02172651 2025-04-20

Vitamin D in Patients With Stage I-III Colon Cancer or Resectable Colon Cancer Liver Metastases

Phase EARLY_PHASE1 Recruiting

Gastrointestinal

Colonic Neoplasms

NCT05846880 2025-04-08

VitD3 Supplementation in Patients With Multiple Myeloma

Phase EARLY_PHASE1 Recruiting

Multiple Myeloma, Vitamin D Deficiency