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Untch, Michael; Fasching, Peter A; Konecny, Gottfried E; Hasmüller, Stephan; Lebeau, Annette; Kreienberg, Rolf; Camara, Oumar; Müller, Volkmar; du Bois, Andreas; Kühn, Thorsten; Stickeler, Elmar; Harbeck, Nadia; Höss, Cornelia; Kahlert, Steffen; Beck, Thomas; Fett, Werner; Mehta, Keyur M; von Minckwitz, Gunter; Loibl, Sibylle
Journal of clinical oncology, 09/2011, Letnik: 29, Številka: 25Journal Article
To evaluate efficacy and safety of epirubicin and cyclophosphamide followed by paclitaxel and trastuzumab as neoadjuvant treatment in patients with human epidermal growth factor receptor 2 (HER2)-overexpressing breast cancer. Patients with centrally confirmed HER2-overexpressing breast cancer (≥ 2 cm or inflammatory) received four 3-week cycles epirubicin and cyclophosphamide (90/600 mg/m(2)) followed by four 3-week cycles paclitaxel (175 mg/m(2)) and trastuzumab (6 mg/kg) before surgery. Trastuzumab was continued after surgery to complete 1 year of treatment. Primary end point was pathologic complete response (pCR) defined as no residual invasive tumor in breast and lymphatic tissue. Thirty-nine percent of 217 enrolled patients achieved a pCR. Breast conservation was possible in 64% of patients. Three-year disease-free survival (DFS) was 88% in patients with pCR compared to 73% in patients without pCR (P = .01). Three-year overall survival (OS) was 96% in patients with pCR compared to 86% in patients without pCR (P = .025). pCR was the only significant prognostic factor for DFS (hazard ratio HR 2.5; 95% CI, 1.2 to 5.1; P = .013) and OS (HR, 4.9; 95% CI, 1.4 to 17.4; P = .012) in multivariable analysis. Cardiac toxicity was reported in eight patients (3.7%) of whom six presented with an asymptomatic left ventricular ejection fraction decrease and two with symptomatic chronic heart failure. Neoadjuvant combination of trastuzumab and chemotherapy resulted in a high pCR rate in HER2-overexpressing primary breast cancer. Patients with a pCR after neoadjuvant anti-HER2 therapy in combination with chemotherapy followed by maintenance trastuzumab have an improved long-term outcome. Patients without a pCR had an increased risk for relapse and death.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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