What's Happening?
Gallop Oncology, a subsidiary of PureTech Health, is set to present new data from its ongoing Phase 1b trial of LYT-200 at the American Society of Hematology (ASH) Annual Meeting. LYT-200 is a monoclonal antibody targeting galectin-9, being tested for
relapsed/refractory acute myeloid leukemia (AML). The trial evaluates LYT-200 both as a monotherapy and in combination with standard-of-care treatments. Preliminary results show promising clinical activity and a favorable safety profile, with notable complete and partial responses in heavily pretreated patients. The data will be shared on December 6, 2025, in Orlando, Florida.
Why It's Important?
The development of LYT-200 is significant due to the high unmet medical need in treating relapsed/refractory AML, a condition with poor survival rates and limited treatment options. The promising results from the trial suggest that LYT-200 could become a new therapeutic option, potentially improving outcomes for patients who have exhausted other treatments. The drug's ability to achieve complete responses in a diverse range of tumor subtypes highlights its potential efficacy across different genetic profiles, which could lead to broader applications in hematologic malignancies.
What's Next?
Gallop Oncology plans to present further matured data at the ASH meeting, including updated efficacy and survival data. The company intends to engage with regulatory authorities to advance LYT-200 into a Phase 2 trial. The topline efficacy data is expected in the fourth quarter of 2025, with survival data anticipated in the first half of 2026. These developments could pave the way for LYT-200 to become a significant player in the AML treatment landscape, pending successful regulatory approval.
Beyond the Headlines
The advancement of LYT-200 underscores the importance of innovative approaches in oncology, particularly in targeting specific molecular pathways like galectin-9. This strategy not only aims to improve survival rates but also to enhance the quality of life for patients with aggressive cancers. The trial's success could stimulate further research into similar therapeutic approaches, potentially leading to breakthroughs in other difficult-to-treat cancers.












