Jun 17, 2026 7:11 PM
Updated Jun 22, 2026 12:53 PM

REC-4881 is the first clinical validation of Recursion’s AI-enabled drug discovery platform – positive Phase 1b/2 data for AI-identified drug REC-4881 in Familial Adenomatous Polyposis (FAP).

This progressive rare disease – which affects more than 50,000 people in the US and EU5 – often begins in the teens and results in hundreds or thousands of polyps developing in the GI tract which have a 100% likelihood of becoming cancerous if not removed, requiring a lifetime of invasive surveillance and life-altering surgeries. There are currently no FDA-approved treatments. ▪️ Using the Recursion OS platform to analyze cell morphology, Recursion tested thousands of compounds to find drugs that restored FAP-diseased cells to a healthy state. ▪️ This led to REC-4881 — a drug that blocks a biological pathway called MEK1/2 – a new approach for treating FAP that had not been investigated clinically before. ▪️ Recursion then used the full Recursion OS 2.0 platform — including ClinTech real-world evidence – to fully understand disease burden and guide clinical strategy, and expand patient eligibility for the trial. More Videos
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