Boehringer Ingelheim and Zai Lab announce Collaboration on DLL3‑targeting T‑Cell Engager and ADC Combination in Small Cell Lung Cancer and Other Neuroendocrine Carcinomas
April 15, 2026 08:00 ET | Source: Boehringer Ingelheim Limited Ingelheim, Germany and Shanghai, China/Cambridge, Mass. – 15 April, 2026– Boehringer Ingelheim and Zai Lab (NASDAQ: ZLAB; HKEX: 9688) today announced a clinical collaboration focused on pioneering a dual DLL3-targeting combination. The Phase Ib/II study will assess the safety, tolerability, and initial clinical activity of combining obrixtamig, Boehringer Ingelheim’s DLL3/CD3 T-cell engager, with zocilurtatug pelitecan (zoci; formerly ZL‑1310), Zai Lab’s DLL3-targeting ADC. The study will enroll patients with poorly differentiated NECs and extensive stage SCLC (ES-SCLC); diseases where patients urgently […]











