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Immunotherapy: New Hope for Women with Gynecologic Cancers
Immunotherapy, a treatment strategy that has already proven effective in treating melanoma, certain types of lung, head and neck, and gastrointestinal cancers, as well as Hodgkin’s lymphoma, is showing promise in gynecologic cancers. Here is an overview of recent advances.
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Immunotherapy, a treatment strategy that has already proven effective in treating melanoma, certain types of lung, head and neck, and gastrointestinal cancers, as well as Hodgkin’s lymphoma, is showing promise in gynecologic cancers. Here is an overview of recent advances.
Endometrial, cervical, and ovarian (or fallopian tube) cancers—the most common gynecologic cancers—affect an average of 12,000 new women each year in France. While cervical and endometrial cancers can be cured when detected at a localized stage, there is currently no effective treatment for recurrence. Ovarian cancers, which are often diagnosed late, are difficult to cure.
Promising Immunotherapies for Several Gynecologic Cancers
Immunotherapy, which uses the immune system to destroy cancer cells, is a treatment that has been used successfully in the treatment of certain gynecological cancers. Pembrolizumab is one of the most commonly prescribed immunotherapies in France, either alone or in combination with other therapies, for about fifteen different types of cancer, including triple-negative breast cancer. In late March 2022, health authorities approved it for early access, in combination with targeted therapy, for patients with advanced endometrial cancer. This drug was also the focus of several studies presented this year at the American Society of Clinical Oncology (ASCO) Annual Meeting.
Dr. Alexandra Leary, a medical oncologist at Gustave Roussy and director of the gynecologic cancer research laboratory, has been working for several years to identify new, effective immunotherapies for gynecologic cancers. She has shown that combining pembrolizumab with an anti-angiogenic agent (a molecule that inhibits the formation of new blood vessels) yields very encouraging results in women with advanced or recurrent ovarian cancer. This immunotherapy also shows promise when combined with a therapeutic vaccine in metastatic or recurrent ovarian and cervical cancers.
Research is ongoing to identify new combinations. Immunotherapy could soon become the new standard of care for various gynecologic cancers in patients whose treatment options remain limited.