Trastuzumab emtansine for residual invasive HER2-positive breast cancer / G. von Minckwitz, C.-S. Huang, M.S. Mano, S. Loibl, E.P. Mamounas, M. Untch, N. Wolmark, P. Rastogi, A. Schneeweiss, A. Redondo, H.H. Fischer, W. Jacot, A.K. Conlin, C. Arce‑Salinas, I.L. Wapnir, C. Jackisch, M.P. DiGiovanna, P.A. Fasching, J.P. Crown, P. Wülfing, Z. Shao, E. Rota Caremoli, H. Wu, L.H. Lam, D. Tesarowski, M. Smitt, H. Douthwaite, S.M. Singel, and C.E. Geyer, Jr., for the KATHERINE Investigators

BACKGROUND: Patients who have residual invasive breast cancer after receiving neoadjuvant chemotherapy plus human epidermal growth factor receptor 2 (HER2)-targeted therapy have a worse prognosis than those who have no residual cancer. Trastuzumab emtansine (T-DM1), an antibody-drug conjugate of trastuzumab and the cytotoxic agent emtansine (DM1), a maytansine derivative and microtubule inhibitor, provides benefit in patients with metastatic breast cancer that was previously treated with chemotherapy plus HER2-targeted therapy. - METHODS: We conducted a phase 3, open-label trial involving patients with HER2-positive early breast cancer who were found to have residual invasive disease in the breast or axilla at surgery after receiving neoadjuvant therapy containing a taxane (with or without anthracycline) and trastuzumab. Patients were randomly assigned to receive adjuvant T-DM1 or trastuzumab for 14 cycles. The primary end point was invasive disease-free survival (defined as freedom from ipsilateral invasive breast tumor recurrence, ipsilateral locoregional invasive breast cancer recurrence, contralateral invasive breast cancer, distant recurrence, or death from any cause). - RESULTS: At the interim analysis, among 1486 randomly assigned patients (743 in the T-DM1 group and 743 in the trastuzumab group), invasive disease or death had occurred in 91 patients in the T-DM1 group (12.2%) and 165 patients in the trastuzumab group (22.2%). The estimated percentage of patients who were free of invasive disease at 3 years was 88.3% in the T-DM1 group and 77.0% in the trastuzumab group. Invasive disease-free survival was significantly higher in the T-DM1 group than in the trastuzumab group (hazard ratio for invasive disease or death, 0.50; 95% confidence interval, 0.39 to 0.64; P<0.001). Distant recurrence as the first invasive-disease event occurred in 10.5% of patients in the T-DM1 group and 15.9% of those in the trastuzumab group. The safety data were consistent with the known safety profile of T-DM1, with more adverse events associated with T-DM1 than with trastuzumab alone. - CONCLUSIONS: Among patients with HER2-positive early breast cancer who had residual invasive disease after completion of neoadjuvant therapy, the risk of recurrence of invasive breast cancer or death was 50% lower with adjuvant T-DM1 than with trastuzumab alone. (Funded by F. Hoffmann-La Roche/Genentech; KATHERINE ClinicalTrials.gov number, NCT01772472 .)..

Medienart:

E-Artikel

Erscheinungsjahr:

2019

Erschienen:

2019

Enthalten in:

Zur Gesamtaufnahme - volume:380

Enthalten in:

The New England journal of medicine - 380(2019), 7, Seite 617-628

Sprache:

Englisch

Beteiligte Personen:

Minckwitz, Gunter von, 1964- [VerfasserIn]
Huang, Chiun-Sheng [VerfasserIn]
Mano, Max S. [VerfasserIn]
Loibl, Sibylle [VerfasserIn]
Mamounas, Eleftherios P. [VerfasserIn]
Untch, Michael [VerfasserIn]
Wolmark, Norman [VerfasserIn]
Rastogi, Priya [VerfasserIn]
Schneeweiss, Andreas, 1961- [VerfasserIn]
Redondo, Andres [VerfasserIn]
Fischer, Hans H. [VerfasserIn]
Jacot, William [VerfasserIn]
Conlin, Alison K. [VerfasserIn]
Arce-Salinas, Claudia [VerfasserIn]
Wapnir, Irene L. [VerfasserIn]
Jackisch, Christian, 1960- [VerfasserIn]
DiGiovanna, Michael P. [VerfasserIn]
Fasching, Peter Andreas, 1975- [VerfasserIn]
Crown, John P. [VerfasserIn]
Wülfing, Pia [VerfasserIn]
Shao, Zhimin [VerfasserIn]
Rota Caremoli, Elena [VerfasserIn]
Wu, Haiyan [VerfasserIn]
Lam, Lisa H. [VerfasserIn]
Tesarowski, David [VerfasserIn]
Smitt, Melanie [VerfasserIn]
Douthwaite, Hannah [VerfasserIn]
Singel, Stina M. [VerfasserIn]
Geyer, Charles E. [VerfasserIn]

Links:

Volltext

Themen:

Adult
Aged
Aged, 80 and over
Antineoplastic Agents, Immunological
Breast Neoplasms
Chemotherapy, Adjuvant
Disease-Free Survival
Female
Humans
Lymphatic Metastasis
Maytansine
Middle Aged
Neoadjuvant Therapy
Neoplasm, Residual
Neoplasm Metastasis
Neoplasm Staging
Peripheral Nervous System Diseases
Radiotherapy
Receptor, ErbB-2
Trastuzumab
Treatment Outcome
Young Adult

Anmerkungen:

This article was published on December 5, 2018

Gesehen am 08.04.2019

Umfang:

12

doi:

10.1056/NEJMoa1814017

funding:

Förderinstitution / Projekttitel:

PPN (Katalog-ID):

1662949774