What's Happening?
Recursion Pharmaceuticals has announced promising results from its mid-stage trial for the AI-discovered drug REC-4881, aimed at treating familial adenomatous polyposis (FAP), a rare hereditary colorectal
cancer syndrome. The trial, known as TUPELO, demonstrated a median reduction in total polyp burden by 43% at 12 weeks and 53% at 25 weeks off-drug in patients. This marks a significant milestone for Recursion's AI-driven drug discovery platform, as it provides early clinical proof of concept. The drug was identified through Recursion's AI platform, which screened thousands of compounds to find a suitable treatment for FAP, a condition with no approved pharmacologic therapies.
Why It's Important?
The trial results are significant as they validate Recursion's AI platform in a real-world clinical setting, potentially paving the way for AI-driven drug discovery in rare diseases. FAP patients face a near-100% lifetime risk of colorectal cancer without intervention, and current management involves major surgeries. The success of REC-4881 could lead to the first approved pharmacologic therapy for FAP, offering a less invasive treatment option. This development also strengthens Recursion's position in the biotech industry, showcasing the potential of AI in drug discovery and attracting investor interest.
What's Next?
Recursion plans to engage with the FDA in the first half of 2026 to define a potential pivotal-registration pathway for REC-4881. The company aims to expand the eligible patient population and optimize dosing schedules in future study phases. If successful, REC-4881 could become a first-in-class therapy for FAP, reinforcing the commercial viability of AI-driven drug discovery. The company also faces the challenge of maintaining its competitive edge in the rapidly evolving AI-biotech field, as major pharmaceutical companies are developing their own AI capabilities.











