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Phase II study of neoadjuvant therapy with nab-paclitaxel and cisplatin followed by surgery in patients with locally advanced esophageal squamous cell carcinoma.

ABSTRACT: BACKGROUND:We carried out a phase II study to evaluate the efficiency and safety of the combination of nanoparticle albumin bound-paclitaxel (nab-paclitaxel) and cisplatin as preoperative chemotherapy for locally advanced esophageal squamous cell carcinoma (ESCC)Results: From Oct 2011 to Dec 2012, 35 patients were enrolled and received neoadjuvant chemotherapy. Thirty patients underwent surgery and achieved a 100% R0 resection. Pathological complete response (pCR) rate was 13.3% and near pCR rate was 6.7%. Down-staging was achieved in 19 patients. With median follow-up of 37.8 months, 16 patients were still alive. One-, 2- and 3- year overall survival (OS) rate was 90.0%, 70.0% and 43.3%, respectively. This treatment resulted in a median disease-free survival (DFS) of 34.7 months and a median OS of 37.8 months. Median DFS and OS of down-staged patients were significantly longer than those of non-downstaged patients. The grade 4 toxicities during neoadjuvant chemotherapy were limited to neutropenia (2.9%) and vomiting (2.9%). METHODS:Patients with locally advanced ESCC (stage IIA to IIIC) and performance status 0-1 were enrolled and received two cycles of nab-paclitaxel (100 mg/m2) on day 1, 8, 22 and 29, and cisplatin (75 mg/m2) on day 1 and 22, followed by resection. Two cycles of adjuvant chemotherapy with the same regimen were given. Postoperative radiotherapy was permitted and decided by radiation therapist. CONCLUSION:Weekly nab-paclitaxel with three-weekly cisplatin seems effective and safe as a neoadjuvant chemotherapy strategy for locally advanced ESCC. Down-staged patients have favorable outcome.ClinicalTrials.gov Identifier: NCT01258192.

SUBMITTER: Fan Y

PROVIDER: S-EPMC5226608 | biostudies-literature | 2016 Aug

REPOSITORIES: biostudies-literature

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Phase II study of neoadjuvant therapy with nab-paclitaxel and cisplatin followed by surgery in patients with locally advanced esophageal squamous cell carcinoma.

Fan Yun Y Jiang Youhua Y Zhou Xinming X Chen Qixun Q Huang Zhiyu Z Xu Yanjun Y Gong Lei L Yu Haifeng H Yang Haiyan H Liu Jinshi J Lei Tao T Zhao Qiang Q Mao Weimin W

Oncotarget 20160801 31

<h4>Background</h4>We carried out a phase II study to evaluate the efficiency and safety of the combination of nanoparticle albumin bound-paclitaxel (nab-paclitaxel) and cisplatin as preoperative chemotherapy for locally advanced esophageal squamous cell carcinoma (ESCC)Results: From Oct 2011 to Dec 2012, 35 patients were enrolled and received neoadjuvant chemotherapy. Thirty patients underwent surgery and achieved a 100% R0 resection. Pathological complete response (pCR) rate was 13.3% and near ...[more]

PMID: 27244882

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Project description:BackgroundEsophageal squamous cell carcinoma (ESCC) is one of the most refractory malignant tumors. Esophageal cancer (EC) is a malignant tumor with a high incidence worldwide, and over 50% of EC cases occur in China. Under the National Comprehensive Cancer Network (NCCN) guidelines, concurrent chemoradiotherapy is the only standard neoadjuvant treatment for locally advanced ESCC. In the first-line treatment of advanced ESCC, the efficacy of immune checkpoint inhibitors (ICIs) combined with systemic chemotherapy is significantly better than that of chemotherapy alone. Paclitaxel and cisplatin (TP), as one of the neoadjuvant chemotherapy regimens for locally advanced ESCC, have been widely used in China in recent years. ICIs combined with TP as neoadjuvant therapy seems promising.MethodsThis is an open-label, single-arm, single-center, phase-II trial. Locally advanced resectable (stage III) ESCC patients who have not undergone previous systemic treatments will be enrolled in this study. All the subjects will intravenously receive 3 cycles of pembrolizumab (200 mg) on day 1, paclitaxel (135 mg/m2) on day 2, and cisplatin (20 mg/m2) on days 2-4, every 3 weeks. After an efficacy evaluation, the subjects will undergo Da Vinci robot-assisted radical resection. If the postoperative pathologic results do not reveal a complete response, pembrolizumab will be administrated for at least 6 cycles as an adjuvant therapy with the same usage as before. The primary endpoints are the major pathological response and safety. The secondary endpoints include the objective response rate (ORR), overall survival (OS), disease-free survival (DFS), the R0 resection rate, and perioperative complications. The exploratory endpoint is to examine the correlation between related biomarkers and tumor responses to this neoadjuvant treatment regimen.DiscussionThis trial is the first enrolled study to evaluate the safety and efficacy of pembrolizumab combined with TP as neoadjuvant therapy for locally advanced ESCC. Currently, under the NCCN guidelines, neoadjuvant chemoradiotherapy (nCRT) is the only recommended treatment for locally advanced ESCC. This phase-II study will provide preliminary evidence of the efficacy of pembrolizumab combined with TP as novel neoadjuvant therapy for patients with locally advanced ESCC.Trial registrationClinicaltrials.gov (Identifier: NCT04389177).

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Phase II study of neoadjuvant therapy with nab-paclitaxel and cisplatin followed by surgery in patients with locally advanced esophageal squamous cell carcinoma.

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Phase II study of neoadjuvant therapy with nab-paclitaxel and cisplatin followed by surgery in patients with locally advanced esophageal squamous cell carcinoma.

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