Phase I Trial of Endoxifen Gel Versus Placebo in Women Undergoing Breast Surgery
Public ClinicalTrials.gov record NCT03317405. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Phase I Trial of Endoxifen Gel Versus Placebo Gel in Women Undergoing Breast Surgery
Study identification
- NCT ID
- NCT03317405
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 1
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Enrollment
- 32 participants
Conditions and interventions
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
Interventions
- Endoxifen Hydrochloride Drug
- Placebo Administration Other
- Questionnaire Administration Other
Drug · Other
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- Female
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 30, 2018
- Primary completion
- Feb 21, 2021
- Completion
- Aug 11, 2026
- Last update posted
- May 3, 2026
2018 – 2026
United States locations
- U.S. sites
- 3
- U.S. states
- 3
- U.S. cities
- 3
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Cedars-Sinai Medical Center | Los Angeles | California | 90048 | — |
| Northwestern University | Chicago | Illinois | 60611 | — |
| Memorial Sloan Kettering Cancer Center | New York | New York | 10065 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03317405, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted May 3, 2026 · Synced May 5, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03317405 live on ClinicalTrials.gov.