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| Molecular Profile | MLH1 negative |
| Therapy | Pembrolizumab |
| Indication/Tumor Type | colorectal cancer |
| Response Type | sensitive |
| Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
|---|---|---|---|---|---|---|---|
| MLH1 negative | colorectal cancer | sensitive | Pembrolizumab | Guideline | Actionable | Keytruda (pembrolizumab) is included in guidelines as first-line therapy for patients with metastatic colorectal cancer with high microsatellite instability (MSI-H) or deficient mismatch repair (dMMR, often defined by the loss of MLH1, PMS2, MSH2, or MSH6 expression by IHC) (PMID: 36307056; ESMO.org). | 36307056 detail... |
| MLH1 negative | colorectal cancer | sensitive | Pembrolizumab | FDA approved | Actionable | In a Phase III (KEYNOTE-177) trial that supported FDA approval, Keytruda (pembrolizumab) treatment as first-line therapy significantly improved median progression-free survival (16.5 vs 8.2 mo, HR=0.60, p=0.0002) compared to chemotherapy in patients with advanced microsatellite instability-high (MSI-H) or mismatch repair deficient (dMMR, often defined by the loss of MLH1, PMS2, MSH2, or MSH6 expression by IHC) colorectal cancer (PMID: 33264544; NCT02563002). | 33264544 detail... |
| MLH1 negative | colorectal cancer | sensitive | Pembrolizumab | Guideline | Actionable | Keytruda (pembrolizumab) is included in the Pan-Asian Guidelines Adaptation (PAGA) as first-line therapy for patients with advanced or metastatic colorectal cancer with high microsatellite instability (MSI-H) or deficient mismatch repair (dMMR, often defined by the loss of MLH1, PMS2, MSH2, or MSH6 expression by IHC) (PMID: 37236086; ESMO.org). | detail... 37236086 |
| PubMed Id | Reference Title | Details |
|---|---|---|
| ESMO Clinical Practice Guidelines | Full reference... | |
| ESMO Clinical Practice Guidelines | Full reference... | |
| Keytruda (pembrolizumab) FDA Drug Label | Full reference... | |
| (33264544) | Pembrolizumab in Microsatellite-Instability-High Advanced Colorectal Cancer. | Full reference... |
| (36307056) | Metastatic colorectal cancer: ESMO Clinical Practice Guideline for diagnosis, treatment and follow-up. | Full reference... |
| (37236086) | Pan-Asian adapted ESMO Clinical Practice Guidelines for the diagnosis, treatment and follow-up of patients with metastatic colorectal cancer. | Full reference... |