Titre |
A Phase III, Randomized, Double-Blind, Placebo-Controlled Clinical Trial To Evaluate the Efficacy and Safety Of Atezolizumab or Placebo in Combination With Neoadjuvant Doxorubicin + Cyclophosphamide Followed By Paclitaxel + Trastuzumab + Pertuzumab In Early Her2-Positive Breast Cancer |
Protocole ID |
IMpassion050 |
ClinicalTrials.gov ID |
NCT03726879 |
Type(s) de cancer |
Sein |
Phase |
Phase III |
Type étude |
Traitement |
Médicament |
Atezolizumab avec Doxorubicine + Cyclophosphamide en néo-adjuvant suivi de Paclitaxel + Trastuzumab + Pertuzumab |
Institution |
CHU DE QUEBEC – UNIVERSITE LAVAL
HOPITAL DU SAINT-SACREMENT
1050 Ch Ste-Foy, Québec, QC, G1S 4L8
|
Ville |
Québec |
Investigateur(trice) principal(e) |
Dre Louise Provencher
|
Coordonnateur(trice) |
Fanie Bourgault
418-525-4444 poste 82697
|
Statut |
Fermé |
Critètes d'éligibilité |
- Confirmed diagnosis of HER2-positive breast cancer, and hormonal and PD-L1 status, as documented through central testing of a representative tumor tissue specimen
- Primary breast tumor size of > 2 cm by any radiographic measurement
- Stage at presentation: T2-T4, N1-N3, M0 as determined by AJCC staging system, 8th edition
- Pathologic confirmation of nodal involvement with malignancy must be determined by fine needle aspiration or core-needle biopsy. Surgical excision of lymph nodes is not permitted.
- Patients with multifocal tumors are eligible provided at least one focus is sampled and centrally confirmed as HER2-positive.
- Patients with multicentric tumors are eligible provided all discrete lesions are sampled and centrally confirmed as HER2-positive.
- Eastern Cooperative Oncology Group Performance Status of 0 or 1
- Baseline LVEF >= 55% measured by echocardiogram (ECHO) or multiple-gated acquisition (MUGA) scans
- Adequate hematologic and end-organ function obtained within 14 days prior to initiation of study treatment
- For women of childbearing potential: agreement to remain abstinent or use contraceptive methods, and agreement to refrain from donating eggs
- For men: agreement to remain abstinent or use contraceptive measures, and agreement to refrain from donating sperm
|
Critètes d'exclusion |
- Prior history of invasive breast cancer
- Stage IV (metastatic) breast cancer
- Patients with synchronous bilateral invasive breast cancer
- Prior systemic therapy for treatment of breast cancer
- Previous therapy with anthracyclines or taxanes for any malignancy
- Ulcerating or inflammatory breast cancer
- Undergone incisional and/or excisional biopsy of primary tumor and/or axillary lymph nodes
- Sentinel lymph node procedure or axillary lymph node dissection prior to initiation of neoadjuvant therapy
- History of other malignancy within 5 years prior to screening, with the exception of those patients who have a negligible risk of metastasis or death
- Cardiopulmonary dysfunction
- Dyspnea at rest
- Active or history of autoimmune disease or immune deficiency
- Pregnancy or breastfeeding, or intention of becoming pregnant during study treatment or within 5 months after the final dose of atezolizumab/placebo, 6 months after the final dose of doxorubicin, 12 months after the final dose of cyclophosphamide, 6 months after the final dose of paclitaxel, or 7 months after the final dose of trastuzumab, pertuzumab, or trastuzumab emtansine whichever occurs last
Exclusion Criteria Related to Trastuzumab Emtansine in the Adjuvant Setting:
- Patients who achieved pCR
- Evidence of clinically evident gross residual or recurrent disease following neoadjuvant therapy and surgery
- Unable to complete surgery with curative intent after conclusion of neoadjuvant systemic therapy
- Patient discontinued treatment with trastuzumab because of toxicity during the neoadjuvant phase of the study
- Clinically significant history of liver disease, including cirrhosis, current alcohol abuse, autoimmune hepatic disorders, or sclerosis cholangitis
- Patients with Grade >=2 peripheral neuropathy
- Prior treatment with trastuzumab emtansine
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