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Clinical Trial Summary

S-1 is a newly developed novel oral dihydrouracil dehydrogenase inhibiting fluoro-pyrimidine drug consisting of i M tegafur (FT), 0.4 M 5-chloro-2, 4-dihydroxypyrimidine (gimeracil), and 1 M potassium oxonate (oteracil), with efficient antitumor activity and low gastrointestinal toxicity. Several studies have proved the safety and efficacy of single agent S-1 in metastatic breast cancer. This study is designed to further investigate and compare the efficacy and safety of Epirubicin-cyclophosphamide-S-1(ECS) vs. Epirubicin-cyclophosphamide-5-fluorouracil (ECF) as neoadjuvant chemotherapy in patients with local advanced breast cancer.


Clinical Trial Description

n/a


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT01849380
Study type Interventional
Source Shandong University
Contact Gang Z Yu, Dr; PhD
Phone +86 0531-85875048
Email yzg@medmail.com.cn
Status Not yet recruiting
Phase Phase 4
Start date June 2013
Completion date June 2018

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