Washington: An international research group has reported that a drug being developed as a treatment for ovarian cancer has shown single agent activity with durable disease control in some patients in a Phase-II clinical trial.Dr Ursula Matulonis from Dana-Farber Cancer Institute in the USA reported the results of the single-agent trial of the drug, called MLN8237, in a poster at the 35th Congress of the European Society for Medical Oncology (ESMO).
"This is why an effective Aurora A Kinase inhibitor is a potential new therapy to be used alone or in combination with other standard agents such as paclitaxel."In addition to ovarian cancer, the Aurora A kinase gene is amplified or overexpressed, or both, in other cancers including colon, breast, pancreatic, and bladder cancers, as well as certain lymphomas, leukemias and myeloma. Unlike other aurora kinase inhibitors currently being studied, MLN8237 selectively targets aurora A Kinase and can be administered orally, Dr Matulonis said. In the current study, American, French, Italian and Polish researchers treated 31 patients whose cancer was resistant or refractory to platinum-based chemotherapy and who had tried at least three other therapies. Twenty-five patients had ovarian cancer, 5 had primary peritoneal cancer, and one had Fallopian tube carcinoma. "The patients enrolled to this study all had progression after platinum-containing regimens which is the mainstay of ovarian cancer treatment," Dr Matulonis said. "Patients with ``platinum resistant`` recurrent ovarian cancer represent a large unmet medical need."The patients received MLN8237 in 21-day cycles: seven days of twice-daily 50mg treatment, followed by a 14-day break. Three patients had a partial response to the treatment, and 5 had stable disease that was sustained for at least four 21-week cycles, the researchers report. "The most important finding from this study was the fact that MLN8237 demonstrates single-agent activity in ovarian cancer with encouraging durable disease control in some patients," Dr Matulonis said. ANI
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