Prnewswire·2025-06-12 10:30Core Insights - ADC Therapeutics announced promising results from the LOTIS-7 Phase 1b trial, showing a 93.3% overall response rate (ORR) and an 86.7% complete response (CR) rate in patients with relapsed or refractory diffuse large B-cell lymphoma (r/r DLBCL) treated with ZYNLONTA® and glofitamab [1][3][4] Efficacy Data - Among 30 efficacy evaluable patients, 28 achieved an overall response, with 26 achieving complete responses [3] - 25 out of 26 patients who achieved CR remained in CR at the data cut-off [1][3] - Median time to CR was 80 days for the 120 µg/kg dose and 42 days for the 150 µg/kg dose [3] - 12 patients converted from stable disease or partial response to CR over time [3] - Of 6 patients previously treated with CAR-T, 5 achieved CR [3] Safety Profile - The combination treatment was generally well tolerated, with no dose-limiting toxicities (DLTs) reported [3] - Among 41 safety evaluable patients, the most common grade 3 or higher treatment-emergent adverse events (TEAEs) included neutropenia (24.4%), anemia (9.8%), and increased liver enzymes [3] - Cytokine release syndrome (CRS) was observed in 23.8% of patients at the 150 µg/kg dose, all Grade 1, while 55% experienced CRS at the 120 µg/kg dose [3] Study Expansion - The company is expanding enrollment for the LOTIS-7 trial to 100 patients at the 150 µg/kg dose of ZYNLONTA [1][4] - The updated data will be presented at the European Hematology Association 2025 Congress and the 18th International Conference on Malignant Lymphoma [4] About ZYNLONTA - ZYNLONTA is a CD19-directed antibody drug conjugate (ADC) approved for treating adult patients with r/r large B-cell lymphoma after two or more lines of systemic therapy [9][13] - The drug works by binding to CD19-expressing cells and delivering a potent payload that leads to tumor cell death [8]