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Exploiting the therapeutic potential of the PI3K-AKT-mTOR pathway in enriched populations of gynecologic malignancies


Given the prevalence of phosphatase & tensin homolog mutations in histologic specimens harvested from patients with endometrial cancer, significant interest in systemic treatment with PI3K/Akt/mTOR inhibitors has emerged. Several Phase II trials have been completed studying mTOR inhibitors in advanced/recurrent endometrial cancer. The mTOR pathway also appears to be important in some cervical cancers. Finally, because clear cell carcinoma of the ovary and renal cell carcinoma have a shared histology, the potential for activity of mTOR inhibitors in clear cell cancer of the ovary is implicit. This article reviews the results of Phase II clinical trials of PI3K/Akt/mTOR pathway inhibitors in patients with endometrial cancer, and discusses the potential therapeutic landscape of mTOR inhibition in enriched populations in gynecologic cancers.

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