Reported Saturday, Xilio's Tumor-Activated Anti-CTLA-4 Vilastobart Shows 26% Objective Response Rate With Durable Responses And Low Colitis In MSS CRC Without Liver Metastases
Author: Benzinga Newsdesk | June 02, 2025 04:53am
26% preliminary objective response rate observed in heavily pre-treated patients with metastatic microsatellite stable colorectal cancer (MSS CRC) without liver metastases
Deep and durable responses ongoing for up to 37 weeks through the data cutoff, accompanied by substantial decreases in tumor biomarkers and improvements in clinical symptoms
MSS CRC patient with liver metastasis and previously reported confirmed partial response from Phase 1C (combination dose escalation) remains on treatment after more than 14 months
Combination continued to demonstrate differentiated safety and tolerability profile with low incidence of colitis and other immune-related adverse events