<p>Despite recent advances in therapy, certain subtypes of colorectal cancer, such as those that are microsatellite instability (MSI-high), mismatch repair deficient (dMMR) or tumor mutation burden high (TMB-H), remain a&#xa0;treatment challenge. In recent years, interest in neoadjuvant therapy strategies for localized colorectal cancer has increased—especially treatment with immunotherapies. At ASCO meeting 2024, updated data on 6‑month course of dostarlimab in patients with dMMR locally advanced rectal cancer as well as several trials investigating the use of neoadjuvant immunotherapy monotherapy or immunotherapy combinations in high-risk stage&#xa0;II–III dMMR colon cancer were presented.</p>

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ASCO highlights: neoadjuvant immunotherapy in mismatch repair deficient colorectal cancer

  • Gudrun Piringer

摘要

Despite recent advances in therapy, certain subtypes of colorectal cancer, such as those that are microsatellite instability (MSI-high), mismatch repair deficient (dMMR) or tumor mutation burden high (TMB-H), remain a treatment challenge. In recent years, interest in neoadjuvant therapy strategies for localized colorectal cancer has increased—especially treatment with immunotherapies. At ASCO meeting 2024, updated data on 6‑month course of dostarlimab in patients with dMMR locally advanced rectal cancer as well as several trials investigating the use of neoadjuvant immunotherapy monotherapy or immunotherapy combinations in high-risk stage II–III dMMR colon cancer were presented.