OncRef

Clinical Trial: NCT03317405

Phase I Trial of Endoxifen Gel Versus Placebo in Women Undergoing Breast Surgery

Status:

ACTIVE NOT RECRUITING

Phase:

Phase 1

Lead Sponsor:National Cancer Institute (NCI)
Information Provided By:National Cancer Institute (NCI)
Last Update Posted:2026-09-02

Study Overview

Brief Summary

This randomized phase I trial studies the side effects and best dose of endoxifen hydrochloride in treating participants who are undergoing breast surgery. Endoxifen hydrochloride may treat or reduce the risk of breast cancer.

Official Title

Phase I Trial of Endoxifen Gel Versus Placebo Gel in Women Undergoing Breast Surgery

Conditions

Breast Carcinoma In Situ, Breast Ductal Carcinoma In Situ, Breast Lobular Carcinoma In Situ, Stage I Breast Cancer AJCC v7, Stage IA Breast Cancer AJCC v7, Stage IB Breast Cancer AJCC v7, Stage II Breast Cancer AJCC v6 and v7, Stage IIA Breast Cancer AJCC v6 and v7, Stage IIB Breast Cancer AJCC v6 and v7, Stage III Breast Cancer AJCC v7, Stage IIIA Breast Cancer AJCC v7, Stage IIIB Breast Cancer AJCC v7, Stage IIIC Breast Cancer AJCC v7

Intervention / Treatment

  • Drug: Endoxifen Hydrochloride
  • Other: Placebo Administration
  • Other: Questionnaire Administration

Other Study ID Numbers

  • NCI-2017-01921
  • NCI-2017-01921
  • N01-CN-2012-00035
  • NCI2017-09-01
  • NWU2017-09-01
  • N01CN00035
  • P30CA060553

Start Date (Actual)

2018-10-31

Primary Completion Date (Actual)

2021-02-22

Study Completion Date (Estimated)

2027-08-12

Enrollment (Actual)

32

Study Type

Interventional

Phase

Phase 1