Background We hypothesized that adding bevacizumab to neoadjuvant chemotherapy (NCT) with nab-P and carboplatin would increase the rates of pCR in BC patients and that early changes in tumor vascularity imaged by dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) would predict pCR. Methods Thirty-three women with clinical stage II or III HER2-negative BC received nab-P 100 mg/m2 and carboplatin area under the curve = 2 on days 1, 8, and 15 in combination with bevacizumab 10 mg/kg on days 1 and 15 administered every 28 days. Results Six patients (18%) achieved pCR, all pCRs occurred in triple-negative BC (TNBC) (pCR = 50% for TNBC). At the end of cycle 2, the changes in relative angiogenic volume were significantly different between responders and nonresponders (P =.001). The major toxicity of this NCT was myelosuppression. Conclusion NCT with weekly nab-P, carboplatin, and biweekly bevacizumab resulted in a pCR rate that was neither superior to the historical data with anthracycline- or taxane-containing NCT nor to carboplatin and taxane combinations in patients with HER2-negative BC. In patients with TNBC, the observed pCR rate was 50%. The early changes in the relative angiogenic volume imaged by DCE-MRI could predict pCR.

Phase II Trial of Neoadjuvant Weekly Nanoparticle Albumin-Bound Paclitaxel, Carboplatin, and Biweekly Bevacizumab Therapy in Women With Clinical Stage II or III HER2-Negative Breast Cancer / Mrózek, E; Layman, R; Ramaswamy, B; Lustberg, M; Vecchione, Andrea; Knopp, Mv; Shapiro, Cl. - In: CLINICAL BREAST CANCER. - ISSN 1526-8209. - STAMPA. - (2014), pp. 228-234. [10.1016/j.clbc.2014.02.005]

Phase II Trial of Neoadjuvant Weekly Nanoparticle Albumin-Bound Paclitaxel, Carboplatin, and Biweekly Bevacizumab Therapy in Women With Clinical Stage II or III HER2-Negative Breast Cancer.

VECCHIONE, ANDREA;
2014

Abstract

Background We hypothesized that adding bevacizumab to neoadjuvant chemotherapy (NCT) with nab-P and carboplatin would increase the rates of pCR in BC patients and that early changes in tumor vascularity imaged by dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) would predict pCR. Methods Thirty-three women with clinical stage II or III HER2-negative BC received nab-P 100 mg/m2 and carboplatin area under the curve = 2 on days 1, 8, and 15 in combination with bevacizumab 10 mg/kg on days 1 and 15 administered every 28 days. Results Six patients (18%) achieved pCR, all pCRs occurred in triple-negative BC (TNBC) (pCR = 50% for TNBC). At the end of cycle 2, the changes in relative angiogenic volume were significantly different between responders and nonresponders (P =.001). The major toxicity of this NCT was myelosuppression. Conclusion NCT with weekly nab-P, carboplatin, and biweekly bevacizumab resulted in a pCR rate that was neither superior to the historical data with anthracycline- or taxane-containing NCT nor to carboplatin and taxane combinations in patients with HER2-negative BC. In patients with TNBC, the observed pCR rate was 50%. The early changes in the relative angiogenic volume imaged by DCE-MRI could predict pCR.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11573/555495
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