Corbus Pharmaceuticals Holdings (CRBP) Earnings Call Presentation

CRB-701 (Nectin-4 Targeting ADC) - Clinical data readouts are expected for CRB-701 in the second half of 2025, with complete dose optimization and RP2D determination expected in Q4 2025[5] - CRB-701 is designed to address unmet needs of PADCEV® by extending ADC half-life to reduce dosing frequency and enabling higher doses due to lower DAR and longer half-life[10] - Phase 1 dose escalation studies are ongoing, with continued expansion at 2 doses and dose optimization planned for HNSCC, cervical, and bladder tumors[17, 18] - In Phase 1 dose escalation studies, ocular toxicity was reduced from 66% in CSPC cohorts to 38% in Corbus cohorts through the use of prophylaxis and baseline selection[32] - Emerging combined safety profile of CRB-701 shows a Grade 3 or higher AE rate of 20% (n=15/75), compared to 58% for PADCEV® (n=179 of 310)[33] - Phase 1 data shows an ORR of 27% and DCR of 77% in Corbus patients (n=26), and an ORR of 28% and DCR of 68% in CSPC patients (n=25)[38] - In mUC patients, CRB-701 showed an ORR of 44% (4 out of 9) and a DCR of 78% (7 out of 9)[48] - In cervical cancer patients, CRB-701 showed an ORR of 43% (3 out of 7) and a DCR of 86% (6 out of 7)[52] - In HNSCC patients, CRB-701 showed an ORR of 4 out of 7 patients and a DCR of 6 out of 7 patients[57] Financials - As of March 31, 2025, the company had $133 million in cash, cash equivalents, and investments, with approximately 122 million common shares outstanding (~140 million fully-diluted shares)[5]