ABemacicliB or Abemaciclib and HydroxYchloroquine to Target Minimal Residual Disease in Breast Cancer

NCT04523857 · Status: RECRUITING · Phase: PHASE2 · Type: INTERVENTIONAL · Enrollment: 66

Last updated 2026-05-08

No results posted yet for this study

Summary

This is a Phase II randomized, controlled, open label breast cancer clinical trial. 66 patients will be enrolled. The drugs being studied are hydroxychloroquine (Plaquenil) and abemaciclib (also Verzenio). This research study is testing whether using these drugs to target the disseminated tumor cells in bone marrow can reduce their number or eliminate them. Both hydroxychloroquine and abemaciclib are pills that will be taken twice daily. Both are approved by the FDA

Conditions

Interventions

DRUG

Abemaciclib

Oral CDK4/6 inhibitor to target bone marrow disseminated tumor cells (DTCs)

DRUG

Hydroxychloroquine

Oral autophagy inhibitor to target bone marrow disseminated tumor cells (DTCs)

Sponsors & Collaborators

  • Abramson Cancer Center at Penn Medicine

    lead OTHER

Principal Investigators

  • Amy Clark, MD · Abramson Cancer Center at Penn Medicine

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
SEQUENTIAL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2021-11-01
Primary Completion
2027-12-31
Completion
2028-12-31
FDA Drug
Yes

Countries

  • United States

Study Locations

More Related Trials

Entities

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04523857 on ClinicalTrials.gov