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Japan : Daiichi Sankyo Announces Discontinuation of Phase 3 Clinical Trial in Japan of Nimotuzumab (DE-766) in Lung Cancer.

Daiichi Sankyo Company, Limited announced today the discontinuation of the phase 3 clinical trial conducted in Japan for nimotuzumab (DE-766) in Lung Cancer.

The phase 3 clinical trial was a multicenter, randomized, double-blind, placebo-controlled study investigating nimotuzumab for first-line therapy in patients with unresectable and locally advanced squamous cell lung cancer. Patients received either nimotuzumab in combination with concurrent chemoradiotherapy or a placebo in combination with concurrent chemoradiotherapy.

The study was discontinued based on the recent recommendation of the Independent Data Monitoring Committee which observed safety issues in certain patients who received a combination of cisplatin, vinorelbine, radiotherapy, and nimotuzumab.

About Unresectable and Locally Advanced Squamous Cell Lung Cancer

In Japan, lung cancer is the first leading cause of cancer death with about 70,000 deaths in 2011. Non-small cell lung cancer (adenocarcinoma, squamous cell carcinoma, and large cell carcinoma) occupies more than 80 percent of lung cancer. Concurrent chemoradiotherapy for a radical cure is currently used as the standard treatment for patients with stage III locally advanced non-small cell lung cancer, in which radical surgery is not possible but radiotherapy is. Of these cases, between 30 and 40 percent are squamous cell carcinoma and EGFR is known to be overexpressed.

About Nimotuzumab and EGFR

Nimotuzumab is an intravenously administered recombinant humanized monoclonal antibody directed against human Epidermal Growth Factor Receptor (EGFR) and is produced by CIMAB S.A. (Cuba). nimotuzumab blocks the binding of Epidermal Growth Factor (EGF) to its receptor interfering with the cell signaling pathway. Nimotuzumab has been approved for head and neck cancer, glioma, and esophageal cancer in several countries and used in 29 completed and 26 on-going trials worldwide without any major safety concern so far. EGFR is known to be overexpressed in a wide variety of human tumors.iv Overexpression of EGFR in tumors correlates with increased metastasis, decreased survival, and a poor prognosis. It is known that EGFR is activated by exposure to radiation.

In 2006, Daiichi Sankyo introduced nimotuzumab from CIMAB S.A. and CIMYM BioSciences Inc. (Canada) and has the rights to develop and commercialize in Japan.

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Article Details
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Publication:Mena Report
Article Type:Clinical report
Geographic Code:9JAPA
Date:Apr 25, 2014
Words:359
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