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Molecular Profile | PTEN mutant |
Therapy | Pembrolizumab |
Indication/Tumor Type | gastrointestinal system cancer |
Response Type | decreased response |
Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
---|---|---|---|---|---|---|---|
PTEN mutant | gastrointestinal system cancer | decreased response | Pembrolizumab | Clinical Study - Cohort | Actionable | In a retrospective analysis, patients with MSI high, dMMR gastrointestinal tumors including gastric (n=18), colorectal (n=17), cholangiocarcinoma (n=5), small intestine (n=2), pancreatic (n=2), and duodenal cancer (n=1) harboring PTEN mutations demonstrated a decreased objective response rate (21.4 vs 54.8%), overall survival (15.2 vs 25.7 mo), and progression-free survival (4.3 vs 15.6 mo) compared to PTEN-wild-type patients when treated with Keytruda (pembrolizumab) or Opdivo (nivolumab) (PMID: 33926917). | 33926917 |
PubMed Id | Reference Title | Details |
---|---|---|
(33926917) | A Low Tumor Mutational Burden and PTEN Mutations Are Predictors of a Negative Response to PD-1 Blockade in MSI-H/dMMR Gastrointestinal Tumors. | Full reference... |