On October 14, 2025 Corcept Therapeutics Incorporated (NASDAQ: CORT), a commercial-stage company engaged in the discovery and development of medications to treat severe endocrinologic, oncologic, metabolic and neurologic disorders by modulating the effects of the hormone cortisol, reported it has submitted a Marketing Authorization Application (MAA) to the European Medicines Agency (EMA) for relacorilant to treat patients with platinum-resistant ovarian cancer.
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Corcept’s MAA submission is based on positive data from its pivotal Phase 3 ROSELLA and Phase 2 trials. In these trials, patients who received relacorilant plus nab-paclitaxel experienced improved progression-free and overall survival compared to patients who received nab-paclitaxel monotherapy, with no need for biomarker selection. Relacorilant was well-tolerated, consistent with its known safety profile. Importantly, the type, frequency and severity of adverse events in the combination arms were comparable to those in the nab-paclitaxel monotherapy arms. Relacorilant conferred its benefit without increasing the safety burden of the patients who received it.
The U.S. Food and Drug Administration (FDA) is reviewing Corcept’s application to market relacorilant in the United States to treat patients with platinum-resistant ovarian cancer. The FDA’s Prescription Drug User Fee Act (PDUFA) target action date is July 11, 2026.
"Our MAA submission brings us a step closer to our goal of delivering relacorilant to patients with platinum-resistant ovarian cancer," said Joseph Belanoff, M.D., Corcept’s Chief Executive Officer. "Better treatment options are urgently needed. Relacorilant has the potential to redefine how platinum-resistant ovarian cancer is treated."
About Relacorilant
Relacorilant, an oral therapy, is a selective glucocorticoid receptor (GR) antagonist that modulates cortisol activity by binding to the GR but not to the body’s other hormone receptors. Corcept is developing relacorilant in ovarian cancer and a variety of other serious disorders, including endogenous hypercortisolism and prostate cancer. Relacorilant is proprietary to Corcept and is protected by composition of matter, method of use and other patents. It has been designated an orphan drug by the FDA and the European Commission (EC) for the treatment of hypercortisolism and by the EC for the treatment of ovarian cancer. The FDA has assigned a Prescription Drug User Fee Act (PDUFA) date of December 30, 2025 for relacorilant as a treatment for patients with hypercortisolism, and a PDUFA date of July 11, 2026 for relacorilant as a treatment for patients with platinum-resistant ovarian cancer.
About Cortisol’s Role in Oncology
Cortisol plays a role in tumor growth through several mechanisms. It helps solid tumors resist chemotherapy by inhibiting cellular apoptosis — the tumor-killing effect chemotherapy is meant to stimulate. In some cancers, cortisol promotes tumor growth by activating oncogenes in the cells to which it binds. Cortisol also suppresses the body’s immune response, which weakens its ability to fight all diseases, including cancer.
About Platinum-Resistant Ovarian Cancer
Ovarian cancer is the fifth most common cause of cancer death in women. Patients whose disease returns less than six months after receiving platinum-containing therapy have "platinum-resistant" disease. There are few treatment options for these women. Median overall survival following recurrence is approximately 12 months with single-agent chemotherapy. Approximately 20,000 women with platinum-resistant disease are candidates to start a new therapy each year in the United States, with at least an equal number in Europe.
(Press release, Corcept Therapeutics, OCT 14, 2025, https://ir.corcept.com/news-releases/news-release-details/corcept-submits-marketing-authorization-application-european [SID1234656635])