Status:

COMPLETED

A Prospective, Randomized Multicenter, Open-label Comparison of Preoperative Combination of Trastuzumab and Pertuzumab With or Without Concurrent Taxane Chemotherapy Given for Twelve Weeks in Patients With Operable HER2+/HR- Breast Cancer Within the ADAPT Protocol

Lead Sponsor:

West German Study Group

Collaborating Sponsors:

Roche Pharma AG

Conditions:

Breast Cancer

Eligibility:

FEMALE

18+ years

Phase:

PHASE2

Brief Summary

Trial to evaluate efficacy of dual blockade with two anti-HER2 agents with or without chemotherapy backbone within the ADAPT trial.

Eligibility Criteria

Inclusion

  • Female patients, age at diagnosis 18 years and above (consider patients at 70 years and above for ADAPT Elderly)
  • Histologically confirmed unilateral primary invasive carcinoma of the breast
  • Clinical T1 - T4 (except inflammatory breast cancer)
  • All clinical N (cN)
  • No clinical evidence for distant metastasis (M0)
  • Known HR status and HER2 status (local pathology) Tumor block available for central pathology review
  • Performance Status ECOG ≤ 1 or KI ≥ 80%
  • Negative pregnancy test (urine or serum) within 7 days prior to start of induction treatment in premenopausal patients
  • Written informed consent prior to beginning specific protocol procedures, including expected cooperation of the patients for the treatment and follow-up, must be obtained and documented according to the local regulatory requirements
  • The patient must be accessible for treatment and follow-up
  • Additional Inclusion criteria for participation in the HR-/HER2+ sub-protocol:
  • Confirmed ER and PR negative and HER2+ by central pathology
  • Clinical cT1c - T4a-c (participation of patients with tumors \>cT2 is strongly recommended)
  • All clinical N (participation of patients with cN0, if at least cT1c is strongly recommended)
  • Patients must qualify for neoadjuvant treatment
  • LVEF \> 50%; LVEF within normal limits of each institution measured by echocardiography and normal ECG (within 42 days prior to induction treatment)

Exclusion

  • Known hypersensitivity reaction to the compounds or incorporated substances
  • Prior malignancy with a disease-free survival of \< 10 years, except curatively treated basalioma of the skin, pTis of the cervix uteri
  • Non-operable breast cancer including inflammatory breast cancer
  • Previous or concurrent treatment with cytotoxic agents for any reason after consultation with the sponsor
  • Concurrent treatment with other experimental drugs. Participation in another clinical trial with any investigational not marketed drug within 30 days prior to study entry
  • Male breast cancer
  • Concurrent pregnancy; patients of childbearing potential must implement a highly effective (less than 1% failure rate) non-hormonal contraceptive measures during the study treatment
  • Breast feeding woman
  • Sequential breast cancer
  • Reasons indicating risk of poor compliance Patient not able to consent
  • Additional Exclusion Criteria for participation in the HER2+/HR- sub-protocol:
  • Known polyneuropathy ≥ grade 2
  • Severe and relevant co-morbidity that would interact with the application of cytotoxic agents or the participation in the study
  • Inadequate organ function (e.g. hepatic impairment, pulmonary disease, etc.)
  • Uncompensated cardiac function (current unstable ventricular arrhythmia requiring treatment, history of symptomatic CHF NYHA classes II-IV), history of myocardial infarction or unstable angina pectoris within 6 months of enrollment, history of severe hypertension, CAD - coronary artery disease)
  • Severe dyspnea
  • Abnormal blood values:
  • Thrombocytopenia \> CTCAE grade 1
  • Increases in ALT/AST \> CTCAE grade 1
  • Hypokalaemia \> CTCAE grade 1
  • Neutropenia \> CTCAE grade 1
  • Anaemia \> CTCAE grade 1

Key Trial Info

Start Date :

March 1 2014

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

January 15 2025

Estimated Enrollment :

220 Patients enrolled

Trial Details

Trial ID

NCT01817452

Start Date

March 1 2014

End Date

January 15 2025

Last Update

February 26 2025

Active Locations (1)

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Ev. Krankenhaus Bethesda Brustzentrum Niederrhien

Mönchengladbach, Germany, 41061