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Corvus Pharmaceuticals Announces Presentation of Interim Data from the Phase 1b/2 Clinical Trial of Ciforadenant for Patients with Metastatic Renal Cell Cancer at the European Society for Medical Oncology (ESMO) Congress 2025

Core Insights - The interim data from the Phase 1b/2 clinical trial of ciforadenant in combination with ipilimumab and nivolumab shows feasibility and tolerability as a potential first-line therapy for metastatic renal cell cancer (RCC) [1][4][5] Group 1: Trial Overview - The trial enrolled 50 patients with newly diagnosed or recurrent stage IV clear cell RCC, with 8 in Phase 1b and 42 in Phase 2 [2][3] - Patients received ciforadenant 100 mg orally twice daily, ipilimumab 1 mg/kg every three weeks for twelve weeks, and nivolumab 3 mg/kg every three weeks [2] Group 2: Key Findings - The deep response rate was 34%, which is an improvement compared to historical data for the combination of ipilimumab and nivolumab alone [4] - The overall response rate (ORR) was 46%, including two complete responses and 21 partial responses [4] - The median progression-free survival (PFS) was reported at 11.04 months [4] Group 3: Patient Characteristics - The median age of patients in the trial was 61.5 years, with only 54% having undergone prior nephrectomy, indicating more unfavorable disease characteristics [4] - 82% of patients had a poor or intermediate prognosis according to International Metastatic Renal Cell Carcinoma Database Consortium (IMDC) criteria [4] Group 4: Future Directions - The company plans to continue following the 19 patients who remain on therapy to better understand the potential benefits of this treatment approach [2][5]