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Int. J. Mol. Sci. 2013, 14(3), 6067-6073; doi:10.3390/ijms14036067

A Case of Stage III c Ovarian Clear Cell Carcinoma: The Role for Predictive Biomarkers and Targeted Therapies

1
Department of Obstetrics and Gynecology, Shimane University School of Medicine, Izumo, Shimane 6938501, Japan
2
Department of Gynecology, Ohki Memorial Kikuchi Cancer Clinic for Women, Tokorozawa, Saitama 3591133, Japan
*
Author to whom correspondence should be addressed.
Received: 17 February 2013 / Revised: 11 March 2013 / Accepted: 12 March 2013 / Published: 15 March 2013
(This article belongs to the Special Issue Genes and Pathways in the Pathogenesis of Ovarian Cancer)
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Abstract

Ovarian cancer treatment presently does not reflect molecular differences in histologic subtype. Ovarian clear cell carcinoma (OCCC) exhibits several differences in terms of molecular pathogenesis and tumor behavior from the more common, chemosensitive, serous carcinomas, which makes OCCC a candidate for targeted therapies. A 53-year-old Japanese woman was diagnosed with stage IIIc ovarian clear cell adenocarcinoma with marked chemoresistance to conventional regimens. She demonstrated a partial response to a multikinase inhibitor. The tumor was resistant to PI3K/mTOR pathway inhibitors despite harboring a PIK3CA mutation. The present case suggests a role for targeted therapies in the treatment of OCCC and a need for the identification of biomarkers that will predict response to targeted therapies. View Full-Text
Keywords: ovarian clear cell carcinoma; biomarkers; PIK3CA; mTOR inhibitor ovarian clear cell carcinoma; biomarkers; PIK3CA; mTOR inhibitor
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Rahman, M.; Nakayama, K.; Ishibashi, T.; Ishikawa, M.; Rahman, M.T.; Katagiri, H.; Katagiri, A.; Iida, K.; Kikuchi, Y.; Miyazaki, K. A Case of Stage III c Ovarian Clear Cell Carcinoma: The Role for Predictive Biomarkers and Targeted Therapies. Int. J. Mol. Sci. 2013, 14, 6067-6073.

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