维立志博-B(09887)：维利信™于复发性或转移性三阴性乳腺癌IB/II期试验的首例患者用药

Core Viewpoint - The announcement highlights the successful administration of the first patient in a Phase Ib/II clinical trial for the treatment of recurrent or metastatic triple-negative breast cancer (TNBC) using the bispecific antibody, Opalizumab (LBL-024), which targets PD-L1 and 4-1BB [1] Group 1: Clinical Trial and Drug Development - The Phase Ib/II clinical trial is an open-label, multicenter study led by Professor Yin Yongmei from Jiangsu Provincial People's Hospital, aiming to evaluate the efficacy and safety of Opalizumab alone or in combination with albumin-bound paclitaxel for TNBC patients [1] - Opalizumab is the first bispecific antibody targeting both PD-L1 and 4-1BB, showing potential as a leading therapy for advanced pulmonary neuroendocrine carcinoma and demonstrating promising clinical activity in various indications [1][2] - The drug has received several regulatory designations, including Breakthrough Therapy Designation (BTD) from the NMPA in October 2024 and Orphan Drug Designation from the FDA in November 2024 for neuroendocrine carcinoma [2] Group 2: Market Need and Cancer Statistics - Cancer remains a leading cause of morbidity and mortality globally, with breast cancer being the second most common cancer, accounting for approximately 2.3 million new cases annually [3] - In China, the incidence of breast cancer continues to rise, with an estimated 360,000 new cases and 75,000 deaths each year, highlighting the urgent need for effective treatments, particularly for TNBC, which represents 15% to 20% of all breast cancer cases [3] - TNBC is characterized by high malignancy, recurrence rates, and poor prognosis, indicating a significant unmet clinical need for more effective treatment options beyond standard chemotherapy [3]