MedPath

A Study of Tucatinib Plus Trastuzumab Deruxtecan in HER2+ Breast Cancer

Phase 2
Active, not recruiting
Conditions
HER2 Positive Breast Cancer
Interventions
Registration Number
NCT04539938
Lead Sponsor
Seagen, a wholly owned subsidiary of Pfizer
Brief Summary

This trial studies how well the drug tucatinib works when given with trastuzumab deruxtecan (T-DXd). It will also look at what side effects happen when these drugs are given together. A side effect is anything a drug does besides treating cancer.

Participants in this trial have HER2-positive (HER2+) breast cancer that has either spread to other parts of the body (metastatic) or cannot be removed completely with surgery (unresectable). All participants will get both tucatinib and T-DXd.

Detailed Description

Not available

Recruitment & Eligibility

Status
ACTIVE_NOT_RECRUITING
Sex
All
Target Recruitment
70
Inclusion Criteria

Not provided

Exclusion Criteria

Not provided

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
Single ArmtucatinibTucatinib + trastuzumab deruxtecan
Single Armtrastuzumab deruxtecanTucatinib + trastuzumab deruxtecan
Primary Outcome Measures
NameTimeMethod
Confirmed objective response rate (cORR) per Response Evaluation Criteria in Solid Tumors (RECIST) version 1.1 according to investigator assessmentFrom start of treatment up to approximately 3 years

ORR is defined as the proportion of subjects with confirmed complete response (CR) or partial response (PR) per RECIST v1.1

Secondary Outcome Measures
NameTimeMethod
Incidence of treatment discontinuationsFrom start of treatment up to approximately 3 years
Duration of response (DOR) per RECIST v1.1 according to investigator assessmentFrom start of treatment up to approximately 3 years

DOR is defined as the time from first documentation of objective response to the first documentation of disease progression per RECIST v1.1 or death from any cause, whichever occurs earlier

Progression-free survival (PFS) per RECIST v1.1 according to investigator assessmentFrom start of treatment up to approximately 3 years

PFS is defined as the time from start of study treatment to first documentation of tumor progression or to death due to any cause, whichever comes first

Disease control rate (DCR) per RECIST v1.1 according to investigator assessmentFrom start of treatment up to approximately 3 years

DCR is defined as the proportion of subjects with confirmed CR, PR or stable disease according to RECIST v1.1

Overall survival (OS)From start of treatment up to approximately 5 years

OS is defined as the time from treatment initiation to death due to any cause

Incidence of adverse events (AEs)From start of treatment up to approximately 3 years

An AE is defined as any untoward medical occurrence in a clinical investigational participant administered a medicinal product and which does not necessarily have a causal relationship with this treatment.

Incidence of laboratory abnormalitiesFrom start of treatment up to approximately 3 years
Incidence of dose modificationsFrom start of treatment up to approximately 3 years

Trial Locations

Locations (33)

UCLA Department of Medicine - Hematology & Oncology

🇺🇸

Los Angeles, California, United States

University of Texas Southwestern Medical Center

🇺🇸

Dallas, Texas, United States

Dana Farber Cancer Institute

🇺🇸

Boston, Massachusetts, United States

Seattle Cancer Care Alliance / University of Washington

🇺🇸

Seattle, Washington, United States

MD Anderson Cancer Center / University of Texas

🇺🇸

Houston, Texas, United States

Allina Health Cancer Institute

🇺🇸

Minneapolis, Minnesota, United States

University of California at San Francisco

🇺🇸

San Francisco, California, United States

Tennessee Oncology-Nashville/Sarah Cannon Research Institute

🇺🇸

Nashville, Tennessee, United States

Arizona Oncology Associates, PC - HOPE

🇺🇸

Tucson, Arizona, United States

University of Alabama at Birmingham

🇺🇸

Birmingham, Alabama, United States

Mayo Clinic Rochester

🇺🇸

Rochester, Minnesota, United States

Nebraska Cancer Specialists

🇺🇸

Omaha, Nebraska, United States

City of Hope

🇺🇸

Duarte, California, United States

Lombardi Cancer Center / Georgetown University Medical Center

🇺🇸

Washington, District of Columbia, United States

Florida Cancer Specialists - North Region

🇺🇸

Saint Petersburg, Florida, United States

Winship Cancer Institute / Emory University School of Medicine

🇺🇸

Atlanta, Georgia, United States

Memorial Sloan Kettering Cancer Center

🇺🇸

New York, New York, United States

Hackensack University Medical Center

🇺🇸

Hackensack, New Jersey, United States

Northwest Cancer Specialists, P.C.

🇺🇸

Tigard, Oregon, United States

Texas Oncology - DFW

🇺🇸

Dallas, Texas, United States

Carbone Cancer Center / University of Wisconsin

🇺🇸

Madison, Wisconsin, United States

Oncology and Hematology Assoc of SW VA DBA Blue Ridge Cancer Care

🇺🇸

Salem, Virginia, United States

Chattanooga Oncology and Hematology Associates/Tennessee Oncology-Memorial Plaza

🇺🇸

Chattanooga, Tennessee, United States

Virginia Cancer Specialists, PC

🇺🇸

Fairfax, Virginia, United States

Georgia Cancer Specialists / Northside Hospital Cancer Institute

🇺🇸

Sandy Springs, Georgia, United States

Providence Portland Medical Center

🇺🇸

Portland, Oregon, United States

Magee Womens Hospital of UPMC

🇺🇸

Pittsburgh, Pennsylvania, United States

University of Colorado Hospital / University of Colorado

🇺🇸

Aurora, Colorado, United States

James Graham Brown Cancer Center / University of Louisville

🇺🇸

Louisville, Kentucky, United States

Wake Forest Baptist Medical Center / Wake Forest University

🇺🇸

Winston-Salem, North Carolina, United States

Saint Luke's Cancer Institute LLC

🇺🇸

Kansas City, Missouri, United States

HCA Midwest Health Kansas City

🇺🇸

Kansas City, Missouri, United States

UNC Lineberger Comprehensive Cancer Center / University of North Carolina

🇺🇸

Chapel Hill, North Carolina, United States

© Copyright 2025. All Rights Reserved by MedPath