findmyKOL
Clinical trialNCT03774472CompletedPhase 1/PHASE2Interventional

Hydroxychloroquine, Palbociclib, and Letrozole Before Surgery in Treating Patients With Estrogen Receptor Positive, HER2 Negative Breast Cancer

SponsorM.D. Anderson Cancer CenterEnrollment15Anatomic Stage I Breast Cancer AJCC v8Anatomic Stage IA Breast Cancer AJCC v8Anatomic Stage IB Breast Cancer AJCC v8Anatomic Stage II Breast Cancer AJCC v8Anatomic Stage IIA Breast Cancer AJCC v8Anatomic Stage IIB Breast Cancer AJCC v8+15 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

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

United States
  • M D Anderson Cancer Center

    Houston, Texas, 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
20 Aug 2018
Primary completion
17 Apr 2024
Completion
17 Apr 2024
Last update posted
17 Feb 2025
Registered enrollment
15
Registry id
NCT03774472

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.