Morphotek® Inc., a wholly-owned subsidiary of Eisai Inc., announced today top-line results from a Phase III study of its investigational agent farletuzumab (MORAb-003) in combination with carboplatin and a taxane in patients with platinum-sensitive epithelial ovarian cancer in first relapse.
The study found that farletuzumab in combination with carboplatin and a taxane did not meet the study's primary endpoint of progression-free survival (PFS). The post hoc exploratory analysis showed, however, a trend toward improved PFS in some patient subsets and further analysis is ongoing.
The preliminary safety analysis indicated that the most commonly reported adverse events were those known to be associated with the study chemotherapy agents. Additionally, some immune-mediated events were observed with farletuzumab.
After further analysis of these clinical results, the company will determine a new development strategy based on discussion with external experts and relevant health authorities.
In the double-blind, placebo-controlled study, 1,100 patients were enrolled to receive standard-of-care (carboplatin and a taxane [paclitaxel or docetaxel]) chemotherapy and were randomized to three parallel groups to receive one of two different dose levels of farletuzumab or placebo.
"While we are disappointed with these results, we know that ovarian cancer is a difficult disease to treat successfully," says Dr. Nicholas Nicolaides , President and CEO of Morphotek. "Morphotek remains committed to research to understand the potential role of farletuzumab in ovarian and other types of cancer."
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