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 1236Neoplasms 1040Carcinoma, Non-Small-Cell Lung 861Prostatic Neoplasms 692Colorectal Neoplasms 614Lung Neoplasms 578Neoplasm Metastasis 439Multiple Myeloma 425Leukemia, Myeloid, Acute 401Pancreatic Neoplasms 376Ovarian Neoplasms 364Melanoma 320Carcinoma, Hepatocellular 288Recurrence 276Squamous Cell Carcinoma of Head and Neck 275Brain Neoplasms 266Glioblastoma 247Head and Neck Neoplasms 244Stomach Neoplasms 239Carcinoma, Renal Cell 228Precursor Cell Lymphoblastic Leukemia-Lymphoma 227Lymphoma 225Triple Negative Breast Neoplasms 219Hematologic Neoplasms 209Endometrial Neoplasms 209Urinary Bladder Neoplasms 202Lymphoma, Non-Hodgkin 197Uterine Cervical Neoplasms 194Sarcoma 190Glioma 190

Interventions

Cholecalciferol 2Blood Specimen Collection 1

Date Range

30 days90 days1 yearAll

Options

Has results Has announcements

Clinical Trials

3 trials
RecentStart dateEnrollment
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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