Actively Recruiting

Phase 2
All Genders
NCT04567420

DNA-guided Second Line Adjuvant Therapy for High Residual Risk, Estrogen Receptor Positive, HER-2 Negative Breast Cancer (DARE)

Led by Criterium, Inc. · Updated on 2025-10-16

70

Participants Needed

19

Research Sites

411 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

A randomized, Phase II trial of circulating tumor DNA-guided second line Adjuvant therapy for high Residual risk, Estrogen Receptor positive, HER-2 negative breast cancer (DARE)

CONDITIONS

Official Title

DNA-guided Second Line Adjuvant Therapy for High Residual Risk, Estrogen Receptor Positive, HER-2 Negative Breast Cancer (DARE)

Who Can Participate

All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • High risk for recurrence HER-2 negative, estrogen receptor positive invasive breast cancer with ER positivity ≥10% by immunohistochemistry
  • Completed adjuvant endocrine therapy or currently taking aromatase inhibitor or tamoxifen with at least 6 months but no more than 7 years of therapy
  • Prior adjuvant CDK4/6 therapy allowed if last treatment was 12 or more months ago
  • High recurrence risk defined by ≥4 involved ipsilateral axillary lymph nodes or positive supraclavicular, infraclavicular, or internal mammary lymph nodes; or tumor size >5 cm with at least one positive lymph node; or diagnosis of inflammatory breast cancer
  • Formalin fixed paraffin embedded tissue available for ctDNA testing
  • Signed informed consent including willingness to be randomized
Not Eligible

You will not qualify if you...

  • Prior or current treatment with fulvestrant or CDK4/6 inhibitor within the last 12 months
  • Participation in another therapeutic breast cancer trial during this study unless disease progression or withdrawal occurred
  • Current or past invasive cancers other than breast cancer, except adequately treated skin basal or squamous cell carcinoma or other invasive cancers with no recurrence for 5 years and low risk
  • Presence of second HER2 positive or triple negative synchronous breast cancer
  • Known contraindications or intolerance to fulvestrant or palbociclib
  • Severe uncontrolled medical conditions including gastrointestinal diseases affecting drug absorption, history of pneumonitis or lung disease, HIV, active hepatitis B or C
  • Pregnant or breastfeeding females
  • History of bleeding disorders preventing injections
  • Use of strong CYP3A4 inducers or inhibitors that cannot be changed

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 19 locations

1

University of Arizona Cancer Center

Tucson, Arizona, United States, 85724

Actively Recruiting

2

USC/Norris Comprehensive Cancer Center

Los Angeles, California, United States, 90033

Actively Recruiting

3

Cedars-Sinai Medical Center

Los Angeles, California, United States, 90048

Completed

4

University of Colorado Cancer Center

Aurora, Colorado, United States, 80045

Actively Recruiting

5

Intermountain

Golden, Colorado, United States, 80401

Actively Recruiting

6

Yale Cancer Center

New Haven, Connecticut, United States, 06510

Actively Recruiting

7

Winship Cancer Institute of Emory University

Atlanta, Georgia, United States, 30322

Actively Recruiting

8

Louisiana State University Health Sciences Center- New Orleans

New Orleans, Louisiana, United States, 70112

Actively Recruiting

9

Cancer Partners of Nebraska

Lincoln, Nebraska, United States, 68516

Actively Recruiting

10

New Mexico Cancer Care Alliance

Albuquerque, New Mexico, United States, 87131

Actively Recruiting

11

Icahn School of Medicine at Mount Sinai

New York, New York, United States, 10029

Actively Recruiting

12

Stony Brook University Cancer Center

Stony Brook, New York, United States, 11794

Actively Recruiting

13

The Ohio State University Wexner Medical Center James Cancer Hospital

Columbus, Ohio, United States, 43210

Actively Recruiting

14

Stephenson Cancer Center

Oklahoma City, Oklahoma, United States, 73104

Actively Recruiting

15

Oregon Health and Science University

Portland, Oregon, United States, 97239

Actively Recruiting

16

PRiSMs Group

Laredo, Texas, United States, 78041

Actively Recruiting

17

Virginia Cancer Institute

Richmond, Virginia, United States, 23229

Actively Recruiting

18

Swedish Cancer Institute

Seattle, Washington, United States, 98104

Actively Recruiting

19

University of Wisconsin Clinical Science Center

Madison, Wisconsin, United States, 53792

Actively Recruiting

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Research Team

B

Bebi Yassin-Rajkumar, MSc

CONTACT

J

Julee Hartwell

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

RANDOMIZED

Model

PARALLEL

Primary Purpose

TREATMENT

Number of Arms

2

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