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FDA Approves Dostarlimab for dMMR/MSI-H Locally Advanced Rectal Cancer
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Fusion42 · 19 October 2026 · Fusion42 review
The FDA has granted accelerated approval to dostarlimab for adult patients with stage II or III mismatch repair–deficient (dMMR) or microsatellite instability-high (MSI-H) locally advanced rectal cancer, based on strong phase 2 trial results demonstrating sustained clinical complete response and overall response rates.
This Wire brief sits within Fusion42's coverage of Biotech, and 5 sources have reported it.
◆ ◆ The Wire takeaway
You can now offer patients with dMMR/MSI-H rectal cancer a new immunotherapy option that may reduce reliance on surgery and radiation. This approval opens a door to personalise treatment and reshape your care approach for this cancer type.
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5 sources · 19 Oct 2026
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