Core Insights - Immutep Limited announces positive initial efficacy and safety data from the Phase I study of IMP761, a first-in-class LAG-3 agonist antibody targeting autoimmune diseases [1][4][7] - The study shows significant T cell suppression and a favorable safety profile at the highest dosing level of 0.9 mg/kg, with no treatment-related adverse events reported [2][7] - The company plans to continue escalating the dosing levels to 2.5, 7, and 14 mg/kg, with additional data expected in the second half of CY2025 [5][7] Company Overview - Immutep is a late-stage biotechnology company focused on developing immunotherapies for cancer and autoimmune diseases, particularly leveraging the LAG-3 immune checkpoint [3][8] - The company aims to address the root causes of autoimmune diseases by silencing dysregulated memory T cells, potentially offering a more targeted treatment approach with fewer side effects [4][6] Market Potential - The LAG-3 immune checkpoint is identified as a promising target for treating major autoimmune diseases such as rheumatoid arthritis, Type 1 diabetes, and multiple sclerosis, which represent multi-billion dollar markets [3][4] - IMP761 has shown encouraging pre-clinical results, indicating its potential to inhibit T cell proliferation and reduce effector cytokines in conditions like oligoarticular juvenile idiopathic arthritis [6]