Announcements Trials
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Phase

Phase NA 1Phase 2 1

Status

Recruiting 2Completed 1

Sponsor Class

OTHER 3

Study Type

Interventional 2Observational 1

Sponsor

Cancer Type

Other hematologic neoplasm 1Lymphoid 1Head & Neck 1Breast 1

Conditions

Breast Neoplasms 881Neoplasms 668Prostatic Neoplasms 455Lung Neoplasms 368Colorectal Neoplasms 335Carcinoma, Non-Small-Cell Lung 320Leukemia, Myeloid, Acute 257Pancreatic Neoplasms 224Brain Neoplasms 210Multiple Myeloma 204Neoplasm Metastasis 201Carcinoma, Hepatocellular 184Head and Neck Neoplasms 183Glioblastoma 170Precursor Cell Lymphoblastic Leukemia-Lymphoma 169Melanoma 159Ovarian Neoplasms 158Squamous Cell Carcinoma of Head and Neck 152Recurrence 139Rectal Neoplasms 137Hematologic Neoplasms 130Sarcoma 126Uterine Cervical Neoplasms 124Stomach Neoplasms 118Carcinoma, Renal Cell 118Triple Negative Breast Neoplasms 116Glioma 116Motor Activity 105Urinary Bladder Neoplasms 100Myelodysplastic Syndromes 99

Interventions

Cholecalciferol 2Blood Specimen Collection 1

Date Range

30 days90 days1 yearAll

Options

Has results Has announcements

Clinical Trials

3 trials
RecentStart dateEnrollment
OTHER × Vitamin D Deficiency × 90 days × Clear all
NCT02553447 2026-04-21

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

University of Nebraska

Phase NA Completed
197 enrolled 15 charts
LymphoidOther hematologic neoplasm

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

NCT04677816 2026-04-14

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

Wake Forest University Health Sciences

Phase 2 Recruiting
50 enrolled
Breast

Vitamin D Deficiency, Triple Negative Breast Neoplasms

NCT04615988 2026-03-27

Correlation Vitamin D Level to Endocrine Autoimmune Toxicity Due to Immune Checkpoint Inhibitors

Icahn School of Medicine at Mount Sinai

Recruiting
17 enrolled
Head & Neck

Neoplasms, Thyroid Diseases, Vitamin D Deficiency

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