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Deprecated: Implicit conversion from float 211.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Onco+Targets+Ther 2016 ; 9 (ä): 1181-8 Nephropedia Template TP
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Profile of farletuzumab and its potential in the treatment of solid tumors #MMPMID27022278
Sato S; Itamochi H
Onco Targets Ther 2016[]; 9 (ä): 1181-8 PMID27022278show ga
Folate receptor (FR) ? expression in normal tissues is restricted to a subpopulation of epithelial cells. In contrast, FR? is overexpressed in epithelial ovarian cancer (EOC) and non-small-cell lung carcinoma. Therefore, FR? is considered a promising therapeutic target for EOC and non-small-cell lung carcinoma. Farletuzumab (MORAb-003) is a humanized monoclonal antibody of immunoglobulin G subtype 1 kappa, targeting human FR?. To date, Phase I/II clinical trials have clearly demonstrated the feasibility and safety of farletuzumab as a treatment option against solid tumors. However, in Phase III clinical trial that was conducted to verify the combined effect of paclitaxel?carboplatin combination therapy and farletuzumab for patients with recurrent EOC, improvement in progression-free survival was not statistically significant. This result might be owing to the fact that the eligibility criteria for these studies did not include FR? expression. The significance of FR? as a predictive/prognostic biomarker remains unclear. In addition, there is currently no established biomarker to predict the response and toxicities among patients receiving farletuzumab therapy. Furthermore, the primary mechanism of action of farletuzumab has not yet been identified. Therefore, further research to identify the mechanism of farletuzumab in tumor suppression is necessary to clarify the full potential of this chemotherapeutic agent.