RecruitingPhase IIEN original

ATEMPT 2.0: Adjuvant T-DM1 vs TH

⚠️

This is not medical advice. AI-assisted translation — inaccuracies may occur. Always verify the original and consult your oncologist before taking any steps.

About the trial

This research study is studying how well newly diagnosed breast cancer that has tested positive for a protein called HER2 responds using one of two different combination of HER2-directed therapies as a treatment after surgery. The name of the study drugs involved are: * Trastuzumab-emtansine (T-DM1, Kadcyla) * Trastuzumab SC (Herceptin Hylecta) * Paclitaxel

Original English text from ClinicalTrials.gov

Who can (and can't) join

✓ Qualifies

  • Rak piersi na wczesnym etapie (Stadium I) z dodatnim wynikiem na HER2, potwierdzony badaniem histologicznym
  • Brak przerzutów w węzłach chłonnych (N0) lub bardzo małe przerzuty (N1mic) zgodnie z klasyfikacją AJCC
  • HER2-dodatni potwierdzony przez centralną laboratorium (NeoGenomics) zgodnie z wytycznymi ASCO CAP 2018
  • Wykonane badania ER/PR (oznaczenie receptorów hormonalnych)
  • Nowotwory po obu stronach piersi lub wieloogniskowe są dopuszczalne, jeśli spełniają pozostałe kryteria
  • Wiek co najmniej 18 lat, niezależnie od statusu menopauzalnego
  • Stan ogólny pacjenta 0 lub 1 w skali ECOG
  • Upłynęło nie więcej niż 90 dni od ostatniej operacji piersi do planowanego rozpoczęcia leczenia

Simplified criteria — AI translation

Trial details

Minimum age
18 Years
Last updated (source)
April 24, 2026
Sex
No restrictions

Therapies / drugs in trial

Locations (53)

UCSF Helen Diller Family Comprehensive Cancer Center

San Francisco, United States

Smilow Cancer Hospital Care center at Derby

Derby, United States

Smilow Cancer Hospital Care center at Fairfield

Fairfield, United States

Smilow Cancer Hospital Care center at Glastonbury

Glastonbury, United States

Smilow Cancer Hospital Care center at Greenwich

Greenwich, United States

Smilow Cancer Hospital Care center at Guilford

Guilford, United States

Smilow Cancer Hospital Care center at St. Francis

Hartford, United States

Smilow Cancer Hospital Care center at Long Ridge

Long Ridge, United States

Yale Cancer Center at Yale University School of Medicine

New Haven, United States

Smilow Cancer Hospital Care center at North Haven

North Haven, United States

Stamford Hospital

Stamford, United States

Smilow Cancer Hospital Care center at Torrington

Torrington, United States

Smilow Cancer Hospital Care center at Trumbull

Trumbull, United States

Smilow Cancer Hospital Care center at Waterbury

Waterbury, United States

Smilow Cancer Hospital Care center at Waterford

Waterford, United States

Miami Cancer Institute/Baptist Hospital of Miami

Miami, United States

Miami Cancer Institute - Plantation (MCIP)

Plantation, United States

The University of Chicago Medical Center

Chicago, United States

Indiana University Health Joe & Shelly Schwarz Cancer Center

Carmel, United States

IU Health North Hospital

Carmel, United States

Indiana University Melvin and Bren Simon Comprehensive Cancer Center

Indianapolis, United States

Indiana University Sidney and Lois Eskenazi Hospital

Indianapolis, United States

Eastern Maine Medical Center (Northern Light)

Brewer, United States

New England Cancer Specialists

Scarborough, United States

Beth Israel Deaconess Medical Center

Boston, United States

Dana Farber Cancer Institute

Boston, United States

Massachusetts General Hospital

Boston, United States

Dana-Farber at St. Elizabeth's Medical Center

Brighton, United States

Lahey Clinic

Burlington, United States

Mass General North Shore Cancer Center

Danvers, United States

Dana-Farber Brigham Cancer Center - Foxborough

Foxborough, United States

Dana-Farber Cancer Instiute - Merrimack Valley

Methuen, United States

Dana-Farber at Milford

Milford, United States

Newton Wellesley Hospital

Newton, United States

Berkshire Medical Center

Pittsfield, United States

Dana Farber at South Shore Hospital

Weymouth, United States

NH Oncology-Hematology, PA - Payson Center for Cancer Care

Concord, United States

Dana-Farber Cancer Insitute at Londonderry Hospital

Londonderry, United States

Solinsky Center for Cancer Care (NH Oncology-Hematology, PA)

Manchester, United States

New England Cancer Specialists - Portsmouth

Portsmouth, United States

New York University Langone Hospital -Brooklyn

Brooklyn, United States

New York University Langone Hospital - Long Island

Mineola, United States

New York University Langone Health

New York, United States

Northwell University

New York, United States

Duke University Medical Center

Durham, United States

Duke Women's Cancer Care Raleigh

Raleigh, United States

Stefanie Spielman Comprehensive Breast Center

Columbus, United States

University of Pennsylvania, Abramson Cancer Center

Philadelphia, United States

University of Pittsburgh Medical Center Cancer UPMC- Magee Women's Hospital

Pittsburgh, United States

Smilow Cancer Hospital Care center at Westerly

Westerly, United States

Greco-Hainsworth Centers for Research/Tennessee Oncology

Nashville, United States

SCRI Oncology Partners

Nashville, United States

MD Anderson Cancer Center

Houston, United States

Trial contact

Contact information from ClinicalTrials.gov. Contact in English.

Data from ClinicalTrials.gov. AI-assisted translation, last sync: 7/1/2026.