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Completed Phase 2 Interventional Results available

A Study of Tucatinib vs. Placebo in Combination With Capecitabine & Trastuzumab in Patients With Advanced HER2+ Breast Cancer

ClinicalTrials.gov ID: NCT02614794

Public ClinicalTrials.gov record NCT02614794. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Oct 20, 2026, 7:27 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Phase 2 Randomized, Double-Blinded, Controlled Study of Tucatinib vs Placebo in Combination With Capecitabine and Trastuzumab in Patients With Pretreated Unresectable Locally Advanced or Metastatic HER2+ Breast Carcinoma

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

This study is being done to see if tucatinib works better than placebo to help patients who have a specific type of breast cancer called HER2 positive breast carcinoma. The breast cancer in this study is either metastatic (spread into other parts of the body) or cannot be removed completely with surgery. All patients in the study will get capecitabine and trastuzumab, two drugs that are often used to treat this cancer. There are two parts to this study. The first part of the study is already complete. Patients were randomly assigned to get either tucatinib or placebo (a pill with no medicine). Since this part was "blinded," neither patients nor their doctors knew whether a patient got tucatinib or placebo. The second part of the study is called the Unblinded Phase. In this part of the study, participants and their doctors know which drugs are being given. Participants who used to get or are currently getting placebo may be able to start taking tucatinib instead. Each treatment cycle lasts 21 days. Patients will swallow tucatinib pills two times every day. They will swallow capecitabine pills two times a day during the first two weeks of each cycle. Patients will get trastuzumab injections from the study site staff on the first day of every cycle.

Study identification

NCT ID
NCT02614794
Recruitment status
Completed
Study type
Interventional
Phase
Phase 2
Lead sponsor
Seagen Inc.
Industry
Enrollment
612 participants

Conditions and interventions

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Jan 28, 2016 (Actual)
Primary completion
Sep 4, 2019 (Actual)
Completion
Aug 11, 2022 (Actual)
Last update posted
Aug 14, 2023

2016 – 2022

United States locations

U.S. sites
81
U.S. states
30
U.S. cities
69
Facility City State ZIP Site status
University of Alabama at Birmingham Birmingham Alabama 35249 —
University of South Alabama - Mitchell Cancer Institute Mobile Alabama 36604 —
Cancer Treatment Centers of America - Phoenix Goodyear Arizona 85338 —
Arizona Oncology Associates, PC - HAL Phoenix Arizona 85016 —
City of Hope National Medical Center Duarte California 91010-3000 —
TRIO - Central Regulatory Office Los Angeles California 90095 —
UCLA Medical Center / David Geffen School of Medicine Los Angeles California 90095 —
Torrance Memorial Physician Network - TRIO Redondo Beach California 90277 —
University of California at San Francisco San Francisco California 94134 —
Kaiser Permanente San Marcos Medical Offices San Marcos California 92078 —
Central Coast Medical Oncology Corporation TRIO Santa Maria California 93454 —
Kaiser Permanente Medical Center Northern California Vallejo California 94589 —
University of Colorado Hospital / University of Colorado Aurora Colorado 80045-0510 —
Yale Cancer Center New Haven Connecticut 06520 —
Lombardi Cancer Center / Georgetown University Medical Center Washington D.C. District of Columbia 20007 —
Florida Cancer Specialists - South Region Fort Myers Florida 33901 —
Memorial Regional Hospital TRIO Hollywood Florida 33021 —
Baptist MD Anderson Cancer Center Jacksonville Florida 32207 —
University of Miami Miami Florida 33136 —
Mount Sinai Medical Center / Florida Miami Beach Florida 33140 —
Orlando Health, Inc. TRIO Orlando Florida 32806 —
Florida Cancer Specialists - North Region St. Petersburg Florida 33705 —
H. Lee Moffitt Cancer Center and Research Institute Tampa Florida 33612 —
Florida Cancer Specialists - East West Palm Beach, FL (SCRI) West Palm Beach Florida 33401 —
Winship Cancer Institute / Emory University School of Medicine Atlanta Georgia 30322 —
Northside Hospital Atlanta Georgia 30342 —
Augusta University Augusta Georgia 30912 —
Cancer Treatment Centers of America Newnan Georgia 30265 —
Rush University Medical Center Chicago Illinois 60612 —
University of Chicago Chicago Illinois 60637-1470 —
Illinois Cancer Specialists / Advocate Lutheran General Hospital Niles Illinois 60714 —
Carle Cancer Center Urbana Illinois 61801 —
University of Kansas Cancer Center Westwood Kansas 66205 —
University of Maryland Baltimore Maryland 21201 —
Maryland Oncology Hematology, P.A. Rockville Maryland 20850 —
Dana Farber Cancer Institute Boston Massachusetts 02215 —
Henry Ford Health System Detroit Michigan 48202 —
William Beaumont Hospital Royal Oak Michigan 48073 —
Virginia Piper Cancer Institute Minneapolis Minnesota 55407 —
Saint Luke's Cancer Institute LLC Kansas City Missouri 64113 —
Nebraska Cancer Specialists Omaha Nebraska 68130 —
Dartmouth-Hitchcock Medical Center/ Norris Cotton Cancer Center Lebanon New Hampshire 03756 —
Hackensack University Medical Center Hackensack New Jersey 07601 —
Mount Sinai Beth Israel New York New York 10003 —
New York University (NYU) Cancer Institute New York New York 10016 —
Stony Brook University Cancer Center Stony Brook New York 11794 —
Montefiore Medical Center The Bronx New York 10467 —
UNC Lineberger Comprehensive Cancer Center / University of North Carolina Chapel Hill North Carolina 27599 —
Duke University Medical Center Durham North Carolina 27710 —
Leo W. Jenkins Cancer Services / Brody School of Medicine East Carolina University Greenville North Carolina 27834 —
James Cancer Hospital / Ohio State University Columbus Ohio 43210 —
Providence Portland Medical Center Portland Oregon 97213 —
Oregon Health and Science University Portland Oregon 97239-3098 —
Northwest Cancer Specialists, P.C. Tualatin Oregon 97062 —
University of Pennsylvania / Perelman Center for Advanced Medicine Philadelphia Pennsylvania 19104 —
Cancer Treatment Centers of America / Eastern Regional Medical Center Philadelphia Pennsylvania 19124 —
Roper St. Francis Healthcare Charleston South Carolina 29414 —
Medical University of South Carolina/Hollings Cancer Center Charleston South Carolina 29425 —
Wellmont Cancer Institute Kingsport Tennessee 37660 —
Tennessee Oncology - Nashville Nashville Tennessee 37203 —
Vanderbilt University Medical Center Nashville Tennessee 37204 —
Texas Oncology - Austin Midtown Austin Texas 78705 —
Texas Oncology Methodist Dallas Texas 75203 —
Texas Oncology - Denton South Denton Texas 76210 —
The Center for Cancer and Blood Disorders: Fortworth Fort Worth Texas 76104 —
Texas Oncology - Houston Memorial City Houston Texas 77024 —
MD Anderson Cancer Center / University of Texas Houston Texas 77030-4095 —
Baylor Clinic Houston Texas 77030 —
Joe Arrington Cancer Research and Treatment Center Lubbock Texas 79410 —
Paris Regional Medical Center / US Oncology Paris Texas 75460 —
Texas Oncology - Plano East Plano Texas 75075 —
Texas Oncology - San Antonio Medical Center Northeast San Antonio Texas 78212 —
University of Texas Health Science Center at San Antonio San Antonio Texas 78229 —
US Oncology Central Regulatory The Woodlands Texas 77380 —
Texas Oncology - Deke Slayton Cancer Center Webster Texas 77598 —
University of Utah Salt Lake City Utah 84112 —
Virginia Cancer Specialists, PC Fairfax Virginia 22031 —
Shenandoah Oncology P.C. Winchester Virginia 22601 —
Swedish Cancer Institute Seattle Washington 98104 —
Seattle Cancer Care Alliance / University of Washington Seattle Washington 98109-1023 —
Carbone Cancer Center / University of Wisconsin Madison Wisconsin 53792 —

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 95 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT02614794, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Aug 14, 2023 · Synced Oct 20, 2026

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Open the official record

The complete public registry record, listed eligibility criteria, and available contact information for NCT02614794 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →