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Clinical trialNCT03317405Active, not recruitingPhase 1Interventional

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

SponsorNational Cancer Institute (NCI)Enrollment32Breast Carcinoma In SituBreast Ductal Carcinoma In SituBreast Lobular Carcinoma In SituStage I Breast Cancer AJCC v7Stage IA Breast Cancer AJCC v7Stage IB Breast Cancer AJCC v7+7 more conditions
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

3 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Cedars-Sinai Medical Center

    Los Angeles, California, United States

  • Northwestern University

    Chicago, Illinois, United States

  • Memorial Sloan Kettering Cancer Center

    New York, New York, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
31 Oct 2018
Primary completion
22 Feb 2021
Completion
12 Aug 2026
Last update posted
4 May 2026
Registered enrollment
32
Registry id
NCT03317405

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.