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Phase

Phase NA 12Phase 4 6Phase 2 4Phase 3 2Phase EARLY_PHASE1 1Phase 2/3 1Phase 1/2 1

Status

Completed 3Recruiting 1

Sponsor Class

OTHER 4OTHER_GOV 1

Study Type

Interventional 4

Sponsor

Cancer Type

Other hematologic neoplasm 1Other 1Lymphoid 1Genitourinary 1Breast 1

Conditions

Breast Neoplasms 1889Carcinoma, Non-Small-Cell Lung 1350Prostatic Neoplasms 980Colorectal Neoplasms 851Multiple Myeloma 741Leukemia, Myeloid, Acute 725Neoplasms 691Lung Neoplasms 680Neoplasm Metastasis 642Lymphoma 579Carcinoma, Hepatocellular 571Pancreatic Neoplasms 567Stomach Neoplasms 523Leukemia 511Recurrence 493Leukemia, Lymphocytic, Chronic, B-Cell 459Precursor Cell Lymphoblastic Leukemia-Lymphoma 452Melanoma 451Lymphoma, Non-Hodgkin 443Ovarian Neoplasms 426Lymphoma, Large B-Cell, Diffuse 423Squamous Cell Carcinoma of Head and Neck 416Myelodysplastic Syndromes 416Head and Neck Neoplasms 404Brain Neoplasms 403Rectal Neoplasms 397Glioblastoma 375Carcinoma, Renal Cell 350Hodgkin Disease 338Esophageal Neoplasms 337

Interventions

Cholecalciferol 3Vitamin D 1RNA-Seq 1Calcium Citrate 1Calcium Carbonate 1Calcitriol 1Allostasis 1

Date Range

30 days90 days1 yearAll

Options

Has results Has announcements

Clinical Trials

4 trials
RecentStart dateEnrollment
Phase 2 × OTHER × Vitamin D Deficiency × Clear all
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

NCT04621500 2025-07-04

VitD/RNA-seq

Medical University of South Carolina

Phase 2 Completed
60 enrolled 7 charts
Genitourinary

Prostatic Neoplasms, Vitamin D Deficiency, Fractures, Stress

NCT04840238 2024-06-24

30000 IU Per Week Vitamin D Treatment in PCOS Patients

Semmelweis University

Phase 2 Completed
115 enrolled

Polycystic Ovary Syndrome, Vitamin D Deficiency

NCT01317940 2020-07-08

Nutrition and Body Composition in Acute Lymphoblastic Leukemia

Children's Hospital Los Angeles

Phase 2 Completed
76 enrolled 14 charts
LymphoidOtherOther hematologic neoplasm

Leukemia, Obesity, Vitamin D Deficiency, Precursor Cell Lymphoblastic Leukemia-Lymphoma

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