Summary
The primary objectives of this study are to evaluate progression-free survival (PFS) by blinded independent central review (BICR) and overall survival (OS) (evaluated independently, as dual primary endpoints) in patients treated with intermittent regimen of Relacorilant in combination with nab-paclitaxel compared with patients treated with nab-paclitaxel monotherapy.
Key Facts
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Inclusion Criteria: * Signed and dated Institutional Review Board/Independent Ethics Committee-approved informed consent form prior to study-specific screening procedures. * Confirmed histologic diagnosis of high-grade (Grade 3) serous, epithelial ovarian, primary peritoneal, or fallopian tube carcinoma. * Patients must have platinum-resistant disease (defined as RECIST v1.1 defined progression \<6 months from completion of a platinum-containing therapy). * Must consent to provide archival tumor-tissue block or slides. Patients may consent to an optional tumor biopsy if archival tumor is unavailable. * Has a life expectancy of ≥3 months. * At least one lesion that meets the definition of measurable disease by RECIST v1.1 * Eastern Cooperative Oncology Group (ECOG) performance status 0 or 1. * Able to comply with protocol requirements. * Able to swallow and retain oral medication and does not have uncontrolled emesis. * Received at least 1 but ≤3 lines of prior systemic anticancer therapy and at least 1 prior line of platinum therapy and prior treatment with bevacizumab is required. * Has adequate organ function meeting the following laboratory-test criteria: Absolute neutrophil count (ANC) ≥1500 cells/mm\^3, Platelet count ≥100,000/mm\^3, Hemoglobin ≥9 g/dL, Aspartate aminotransferase (AST) or alanine aminotransferase (ALT) ≤2.5 × upper limit of normal (ULN), or ≤5 × ULN in context of liver metastases, Total bilirubin ≤1.5 × ULN, and Albumin ≥3 g/dL, and creatinine clearance \>40 mL/min/1.73 m\^2 (measured or estimated). * Negative pregnancy test for patients of childbearing potential; patients of childbearing potential must agree to use highly effective contraceptive method(s); hormonal contraceptives are not allowed. * Coronavirus disease (COVID-19) approved vaccines are accepted concomitant medications when recommended by the Investigator. Exclusion Criteria: * Has clinically relevant toxicity from prior systemic anticancer therapies or radiotherapy that has not resolved to ≤Grade 1 prior to randomization. * Has had any major surgery within 4 weeks prior to randomization. * Has low-grade endometrioid, clear cell, mucinous, or sarcomatous histology, or mixed tumors containing any of these histologies, or low-grade or borderline ovarian tumor. * Has primary platinum-refractory disease, defined as disease that did not respond to or has progressed ≤1 month of the last dose of first-line platinum-containing chemotherapy. * Has not received prior bevacizumab treatment. * Has been treated with the following prior to randomization: chemotherapy, immunotherapy, investigational agent treatments for disease under study within 28 days before first dose of study drug, radiotherapy not completed at least 2 weeks prior to first dose of study drug, hormonal anticancer therapies within 7 days of first dose of study drug, and systemic, inhaled, or prescription strength topical corticosteroids within 21 days of first dose of study drug. * Has received wide-field radiation to more than 25% of marrow-bearing areas. * Has toxicities of prior therapies that have not resolved the National Cancer Institute (NCI) Common Terminology Criteria for Adverse Events (NCI-CTCAE) v5.0, ≤Grade 1. * Requires treatment with chronic or frequently used oral corticosteroids for medical conditions or illnesses. * Has a history of severe hypersensitivity or severe reaction to any of the study drugs. * Is receiving concurrent treatment with mifepristone or other glucocorticoid receptor (GR) modulators. * Has peripheral neuropathy from any cause \>Grade 1. * Pregnant or lactating patients or patients expecting to conceive children within the projected duration of the trial, starting with the screening visit through at least 1 month after the last dose of relacorilant, or 6 months after the last dose of nab-paclitaxel whichever is the longest. * Has clinically significant uncontrolled condition(s) or condition which, in the opinion of the Investigator, may confound the results of the trial or interfere with the patient's safety or participation. * Has current chronic/active infection with human immunodeficiency virus or current chronic/active infection with hepatitis C virus or hepatitis B virus. * Has any untreated or symptomatic central nervous system (CNS) metastases. * Patients with a history of other malignancy within 3 years prior to randomization * Is taking a concomitant medication that is a strong cytochrome P450 (CYP)3A inhibitor or strong CYP3A inducer, or that is a substrate of CYP3A with a narrow therapeutic window. * Concurrent treatment on other investigational treatment studies for the treatment of ovarian, fallopian tube, or primary peritoneal cancer. * Has received a live vaccine within 30 days of prior to the study start date.