Clinical Trials

Phase 2 Active not recruiting

Vitamin D Deficiency, Triple Negative Breast Neoplasms

NCT04067726 2026-03-31

TRIDENT

210 enrolled

Breast Neoplasms

NCT01480869 2026-03-12

VITACAL

Phase 3 Completed

215 enrolled

Phase 2 Not yet recruiting

Breast Neoplasms

NCT06596122 2024-09-19

Vitamin D Supplementation in Breast Cancer Patients

132 enrolled

Breast Neoplasms, Neuralgia

NCT03986268 2024-02-22

Vitamin D Can Increase Pathological Response of the Breast Cancer Patients Treated With Neoadjuvant Therapy

64 enrolled

Breast Neoplasms, Vitamin D Deficiency

NCT05523609 2023-12-01

Vitamin D and Calcium Supplementation in Breast Cancer

Phase 2/3 Unknown

40 enrolled

Breast Neoplasms

NCT01608451 2022-05-02

Randomized Controlled Trial of Neo-adjuvant Progesterone and Vitamin D3 in Women With Large Operable Breast Cancer and Locally Advanced Breast Cancer

Phase 3 Terminated

800 enrolled

Locally Advanced Breast Cancer and Large Operable Breast Cancer

NCT02186015 2021-05-14

SAFE-D

43 enrolled 17 charts

Phase EARLY_PHASE1 Terminated

Breast Neoplasms

NCT02936999 2020-12-16

Vitamin D Supplementation in Women With DCIS and/or LCIS

8 enrolled 4 charts

Breast Neoplasms

NCT00354302 2020-04-02

Bone Mineral Density in Postmenopausal Women With Primary Breast Cancer Who Are Receiving Treatment on Clinical Trial

Phase 3 Completed

497 enrolled

Breast Neoplasms, Osteoporosis

NCT01472445 2019-04-19

Vitamin D and Breast Cancer: Does Weight Make a Difference?

Phase 2 Terminated

41 enrolled 16 charts

BreastOther

Breast Neoplasms, Obesity

NCT02856503 2019-01-18

Effect of High Dose Vitamin D on Cancer Biomarkers and Breast Cancer Tumors

Phase 1/2 Withdrawn

Breast Neoplasms, Carcinoma, Intraductal, Noninfiltrating

NCT00867217 2018-02-09

VITAL

160 enrolled 7 charts

Breast Neoplasms

NCT01097278 2017-11-24

S0812 High Dose Cholecalciferol in Premenopausal Women at High-Risk for Breast Cancer

208 enrolled

Breast Carcinoma In Situ, Breast Neoplasms, Carcinoma, Intraductal, Noninfiltrating

NCT00976339 2017-09-29

Study of Vitamin D for Premenopausal Women at High Risk for Breast Cancer

Phase 1 Completed

20 enrolled 3 charts

Breast Neoplasms

NCT00859651 2017-09-27

Vitamin D in Postmenopausal Women at High Risk for Breast Cancer

20 enrolled 5 charts

Breast Neoplasms

NCT01425476 2017-08-09

Changes in Breast Cancer Biomarkers Using Synergistic Prostaglandin Inhibitors

Phase 1/2 Completed

45 enrolled

Breast Neoplasms

NCT01769625 2017-08-09

Changes in Biomarkers Using Prostaglandin Inhibitors

Phase 1/2 Completed

31 enrolled

Biomarker Change Linked to Breast Cancer

NCT00416715 2017-07-11

Vitamin D Deficiency, Muscle Pain, Joint Pain, and Joint Stiffness in Postmenopausal Women Receiving Letrozole For Stage I-III Breast Cancer

100 enrolled 6 charts

Breast Neoplasms, Pain, Arthralgia

NCT01747720 2017-05-24

EVIDENSE

405 enrolled

Breast Neoplasms

NCT00022087 2016-07-19

Zoledronate, Calcium, and Vitamin D in Preventing Bone Loss in Women Receiving Adjuvant Chemotherapy for Breast Cancer

Phase 3 Completed

439 enrolled

Breast Neoplasms, Osteoporosis

NCT01166763 2016-07-18

Modulation of Breast Cancer Risk Biomarkers by High Dose Vitamin D

30 enrolled 10 charts

Breast Diseases, Breast Neoplasms, Hyperplasia, Neoplasms, Neoplasms by Site, Pathologic Processes

NCT01948128 2016-02-03

OTT 12-06

83 enrolled

Breast Neoplasms

NCT01809171 2015-10-21

Placebo-controlled Trial With Vitamin D to Prevent Worsening/Relieve Aromatase Inhibitor-induced Musculoskeletal Symptoms in Breast Cancer Patients

Phase 2/3 Terminated

15 enrolled

Breast Neoplasms, Musculoskeletal Diseases

NCT01240213 2013-08-07

ViDA