Ignite Creation Date:
2025-12-24 @ 7:49 PM
Ignite Modification Date:
2026-03-30 @ 1:48 PM
Study NCT ID:
NCT02856503
Status:
WITHDRAWN
Last Update Posted:
2019-01-18
First Post:
2016-08-02
Is NOT Gene Therapy:
True
Has Adverse Events:
False
Brief Title:
Effect of High Dose Vitamin D on Cancer Biomarkers and Breast Cancer Tumors
Sponsor:
Eli Avisar
Organization:
Study Overview
Official Title:
Phase I/II Study Evaluating Safety and Effects of Preoperative High-Dose Vitamin D on the Receptors, Biomarkers and Pathological Characteristics of High Grade DCIS or Invasive Breast Cancer.
Status:
WITHDRAWN
Status Verified Date:
2019-01
Last Known Status:
None
Delayed Posting:
No
If Stopped, Why?:
Lack of Funding
Has Expanded Access:
False
If Expanded Access, NCT#:
N/A
Has Expanded Access, NCT# Status:
N/A
Acronym:
None
Brief Summary:
High-doses of Vitamin D (VD) may be used as targeted therapy against breast cancer. The investigators will assess the effect of high dose VD on the following biomarkers in the breast cancer cells: VDR, estrogen receptor (ER), progesterone receptor (PR), epidermal growth factor receptor 2 (Her2/neu), androgen receptor (AR), as well as epidermal growth factor receptor 1 (EGFR) and Ki-67, as markers of proliferation, and E-cadherin, a marker of invasion and metastasis.
Detailed Description:
This is a phase I/II open-label, non-randomized study. In phase I, a fixed weekly course of oral high-dose Vitamin D (VD) is planned for either 3, 4 or 5 weeks; patients will be sequentially enrolled into 3 groups (A, B or C respectively) in a manner such that no more than two patients may have treatment-limiting toxicities (TLTs).
After the group with the optimal duration of VD therapy to achieve a "favorable response" is determined, phase II will begin enrollment.
Patients must be scheduled to have surgery performed within 2- weeks of the last dose of VD.
After the group with the optimal duration of VD therapy to achieve a "favorable response" is determined, phase II will begin enrollment.
Patients must be scheduled to have surgery performed within 2- weeks of the last dose of VD.
Study Oversight
Has Oversight DMC:
True
Is a FDA Regulated Drug?:
True
Is a FDA Regulated Device?:
False
Is an Unapproved Device?:
None
Is a PPSD?:
None
Is a US Export?:
None
Is an FDA AA801 Violation?: