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Profile Name MAP2K1 L115P
Gene Variant Detail

MAP2K1 L115P (gain of function)

Relevant Treatment Approaches

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Molecular Profile Indication/Tumor Type Response Type Relevant Treatment Approaches Therapy Name Approval Status Evidence Type Efficacy Evidence References
MAP2K1 K57T colorectal cancer resistant Panitumumab Preclinical Actionable In a preclinical study, a colorectal cancer cell line expressing MAP2K1 K57T was resistant to Vectibix (panitumumab) in culture (PMID: 26644315). 26644315
MAP2K1 K57T colorectal cancer predicted - resistant Cetuximab Case Reports/Case Series Actionable In a clinical case study, a patient with colorectal cancer developed liver metastases harboring MAP2K1 K57T that were insensitive to Erbitux (cetuximab) treatment and the mutation was confirmed to cause resistance in human colorectal cancer cell lines in culture (PMID: 26644315). 26644315
MAP2K1 K57T colorectal cancer sensitive Panitumumab + Trametinib Case Reports/Case Series Actionable In a clinical case study, a combination of Vectibix (panitumumab) and Mekinist (trametinib) caused tumor regression in a patient’s colorectal cancer metastases harboring MAP2K1 K57T after being identified pre-clinically as a combination likely to inhibit MAP2K1 K57T expressing colorectal cancer (PMID: 26644315). 26644315
MAP2K1 K57T colorectal cancer sensitive Cetuximab + Trametinib Preclinical Actionable In a preclinical study, Erbitux (cetuximab) and Mekinist (trametinib) inhibited colorectal cancer cell lines expressing MAP2K1 K57T in culture (PMID: 26644315). 26644315
BRAF V600E MAP2K1 K57T hairy cell leukemia predicted - resistant Vemurafenib Case Reports/Case Series Actionable In a clinical case study, a single patient with hairy cell leukemia harboring BRAF V600E, who relapsed after a 38 week remission in response to Zelboraf (vemurafenib) treatment, was found to have acquired multiple clones with Mek/Erk activating mutations, of which the MAP2K1 K57T clone became dominant (PMID: 30341394). 30341394
BRAF V600E MAP2K1 K57T refractory hairy cell leukemia predicted - sensitive Cobimetinib + Vemurafenib Case Reports/Case Series Actionable In a clinical case study, a single patient with hairy cell leukemia who relapsed after initial response to Zelboraf (vemurafenib) was found to have acquired multiple clones with Mek/Erk activating mutations, of which the MAP2K1 K57T clone became dominant, and demonstrated a sustained response greater than 12 months to combined Zelboraf (vemurafenib) and Cotellic (cobimetinib) treatment (PMID: 30341394). 30341394
MAP2K1 Q56P Advanced Solid Tumor resistant GDC0879 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 Q56P displayed resistance to the Braf inhibitor, GDC-0879, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 Q56P stomach cancer sensitive Selumetinib Preclinical - Cell culture Actionable In a preclinical study, Koselugo (selumetinib) inhibited growth of a gastric cancer cell line that requires MAP2K1 Q56P and inhibited phosphorylation of ERK in these cells (PMID: 22327936). 22327936
MAP2K1 Q56P Advanced Solid Tumor resistant PD98059 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 Q56P displayed resistance to the Mek inhibitor, PD98059, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 Q56P Advanced Solid Tumor sensitive PLX4720 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 Q56P displayed sensitivity to the Braf inhibitor, PLX4720, as demonstrated by reversal of active Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 Q56P lung adenocarcinoma sensitive PD-0325901 Preclinical Actionable In a preclinical study, a lung adenocarcinoma cell line harboring MAP2K1 Q56P demonstrated sensitivity to PD-0325901, resulting in decreased cell viability (PMID: 26582713). 26582713
MAP2K1 Q56P Advanced Solid Tumor sensitive Selumetinib Preclinical - Cell culture Actionable In a preclinical study, Map2k1 Q56P displayed sensitivity to the Mek inhibitor, Selumetinib (AZD6244), as demonstrated by reversal of active Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 Q56P lung adenocarcinoma sensitive Selumetinib Preclinical Actionable In a preclinical study, a lung adenocarcinoma cell line harboring MAP2K1 Q56P demonstrated sensitivity to Selumetinib (AZD6244), resulting in decreased cell viability (PMID: 26582713). 26582713
MAP2K1 Q56P lymphatic system cancer predicted - sensitive Cobimetinib Case Reports/Case Series Actionable In a Phase II trial, treatment with Mekinist (cobimetinib) in patients with histiocytic neoplasms resulted in a PET overall response rate of 89% (16/18), with complete response in 72% (13/18) and partial response in 17% (3/18), and stable disease in 6% (1/18) of patients, including a complete response in a patient with Erdheim-Chester disease harboring MAP2K1 Q56P (PMID: 30867592; NCT01953926). 30867592
MAP2K1 Q56P lymphatic system cancer predicted - sensitive Cobimetinib Case Reports/Case Series Actionable In a clinical case study, a patient with refractory Erdheim-Chester disease harboring a MAP2K1 Q56P mutation had a reduction of lymphatic infiltrates to background within a month of receiving Cotellic (cobimetinib) therapy (PMID: 26566875). 26566875
MAP2K1 Q56P lung adenocarcinoma sensitive Refametinib Preclinical Actionable In a preclinical study, a lung adenocarcinoma cell line harboring MAP2K1 Q56P demonstrated sensitivity to Refametinib (BAY86-9766), resulting in decreased cell viability (PMID: 26582713). 26582713
MAP2K1 Q56P lung adenocarcinoma sensitive Trametinib Preclinical Actionable In a preclinical study, a lung adenocarcinoma cell line harboring MAP2K1 Q56P demonstrated sensitivity to Mekinist (trametinib), resulting in decreased cell viability (PMID: 26582713). 26582713
MAP2K1 Q56P Advanced Solid Tumor resistant Regorafenib Preclinical - Cell culture Actionable In a preclinical study, Map2k1 Q56P displayed resistance to Stivarga (regorafenib; BAY 73-4506), as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 Q56P Advanced Solid Tumor resistant AZD8330 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 Q56P displayed resistance to the Mek inhibitor, AZD8330, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 Q56P stomach cancer sensitive Trametinib Preclinical Actionable In a preclinical study, a gastric cancer cell line harboring MAP2K1 Q56P demonstrated sensitivity to Mekinist (trametinib), resulting in decreased cell viability (PMID: 26582713). 26582713
BRAF V600E MAP2K1 Q56P melanoma resistant Selumetinib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring the MAP2K1 Q56P mutation in the presence of BRAF V600E were resistant to the MEK inhibitor, Koselugo (selumetinib), in cell culture (PMID: 19915144). 19915144
BRAF V600E MAP2K1 Q56P melanoma resistant PLX4720 Preclinical Actionable In a preclinical study, melanoma cells harboring the MAP2K1 Q56P mutation in the presence of BRAF V600E were resistant to the B-RAF inhibitor PLX4720 in culture (PMID: 19915144). 19915144
BRAF V600E MAP2K1 Q56P melanoma sensitive Dabrafenib + Trametinib Preclinical Actionable In a preclinical study, the combination of Talfinlar (dabrafenib) and Mekinist (trametinib) resulted in improved growth inhibition in melanoma cells harboring BRAF V600E and expressing MAP2K1 Q56P in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 Q56P melanoma resistant Dabrafenib Preclinical Actionable In a preclinical study, melanoma cell lines harboring BRAF V600E expressing MAP2K1 Q56P were resistant to Tafinlar (dabrafenib) mediated growth inhibition and retained MEK and ERK signaling in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 Q56P melanoma sensitive PLX4720 + Selumetinib Preclinical Actionable In a preclinical study, combined treatment with selumetinib and PLX4720 strongly suppressed the emergence of resistant MAP2K1 mutations in BRAF V600E cells in culture (PMID: 19915144). 19915144
BRAF V600E MAP2K1 Q56P melanoma resistant Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 Q56P demonstrated resistance to treatment with Zelboraf (vemurafenib) in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 Q56P melanoma decreased response Trametinib Preclinical Actionable In a preclinical study, human melanoma cell lines harboring BRAF V600E expressing MAP2K1 Q56P displayed reduced sensitivity to Mekinist (trametinib) mediated growth inhibition and retained MEK and ERK signaling (PMID: 22389471). 22389471
BRAF V600E MAP2K1 Q56P melanoma sensitive Ulixertinib Preclinical - Cell culture Actionable In a preclinical study, BVD-523 (ulixertinib) inhibited proliferation of melanoma cells harboring BRAF V600E and expressing MAP2K1 Q56P in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 G128V melanoma resistant Dabrafenib Preclinical Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 G128V demonstrated resistance to treatment with Tafinlar (dabrafenib) in culture, resulting in sustained Map2k1/2 and Erk1/2 phosphorylation (PMID: 24265153). 24265153
BRAF V600E MAP2K1 G128V melanoma resistant Trametinib Preclinical Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 G128V demonstrated resistance to treatment with Mekinist (trametinib) in culture, resulting in sustained Map2k1/2 and Erk1/2 phosphorylation (PMID: 24265153). 24265153
BRAF V600E MAP2K1 G128V melanoma sensitive VRT11E Preclinical Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 G128V demonstrated sensitivity to treatment with VRT11E, resulting in decreased cell growth in culture (PMID: 24265153). 24265153
BRAF V600E MAP2K1 G128V melanoma resistant Dabrafenib + Trametinib Preclinical Actionable In a preclinical study, MAP2K1 G128V conferred resistance to the combination of Tafinlar (dabrafenib) and Mekinist (trametinib) in BRAF V600E-mutant melanoma cells in culture (PMID: 24265154). 24265154
MAP2K1 I111S Advanced Solid Tumor resistant GDC0879 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 I111S displayed resistance to the Braf inhibitor, GDC-0879, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 I111S Advanced Solid Tumor resistant AZD8330 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 I111S displayed resistance to the Mek inhibitor, AZD8330, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 I111S Advanced Solid Tumor resistant PD98059 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 I111S displayed resistance to the Mek inhibitor, PD98059, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 I111S Advanced Solid Tumor sensitive PLX4720 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 I111S displayed sensitivity to the Braf inhibitor, PLX4720, as demonstrated by reversal of active Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 I111S Advanced Solid Tumor sensitive Selumetinib Preclinical - Cell culture Actionable In a preclinical study, Map2k1 I111S displayed sensitivity to the Mek inhibitor, Selumetinib (AZD6244), as demonstrated by reversal of active Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 I111S Advanced Solid Tumor resistant Regorafenib Preclinical - Cell culture Actionable In a preclinical study, Map2k1 I111S displayed resistance to Stivarga (regorafenib; BAY 73-4506), as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 V211D Advanced Solid Tumor predicted - resistant Binimetinib Preclinical Actionable In a preclinical study, Mektovi (binimetinib) did not inhibit kinase activity of MAP2K1 V211D in an in vitro assay (PMID: 31227518). 31227518
MAP2K1 V211D Advanced Solid Tumor resistant Regorafenib Preclinical - Cell culture Actionable In a preclinical study, Map2k1 V211D displayed resistance to Stivarga (regorafenib; BAY 73-4506), as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 V211D Advanced Solid Tumor sensitive PLX4720 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 V211D displayed sensitivity to the Braf inhibitor, PLX4720, as demonstrated by reversal of active Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 V211D Advanced Solid Tumor resistant AZD8330 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 V211D displayed resistance to the Mek inhibitor, AZD8330, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 V211D Advanced Solid Tumor resistant PD98059 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 V211D displayed resistance to the Mek inhibitor, PD98059, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 V211D Advanced Solid Tumor predicted - resistant Cobimetinib Preclinical Actionable In a preclinical study, Cotellic (cobimetinib) did not inhibit kinase activity of MAP2K1 V211D in an in vitro assay (PMID: 31227518). 31227518
MAP2K1 V211D Advanced Solid Tumor resistant Selumetinib Preclinical Actionable In a preclinical study, Map2k1 V211D displayed resistance to the Mek inhibitor, Selumetinib (AZD6244), as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 V211D Advanced Solid Tumor resistant GDC0879 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 V211D displayed resistance to the Braf inhibitor, GDC-0879, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
BRAF V600E MAP2K1 V211D melanoma resistant Selumetinib Preclinical Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K V211D demonstrated resistance to growth inhibition by Selumetinib (AZD6244) in cell culture (PMID: 19915144). 19915144
BRAF V600E MAP2K1 V211D melanoma sensitive Ulixertinib Preclinical - Cell culture Actionable In a preclinical study, BVD-523 (Ulixertinib) inhibited proliferation of melanoma cells harboring BRAF V600E and expressing MAP2K1 V211D in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 V211D colorectal cancer resistant Cetuximab + Selumetinib Preclinical - Cell culture Actionable In a preclinical study, colorectal cancer cells harboring BRAF V600E developed sustained activation of Mapk signaling and resistance to Koselugo (selumetinib) and Erbitux (cetuximab) combination treatment in culture, likely due to the acquired secondary resistant mutation of MAP2K1 V211D (PMID: 27312529). 27312529
BRAF V600E MAP2K1 V211D colorectal cancer resistant Dabrafenib + Trametinib Preclinical - Cell culture Actionable In a preclinical study, colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 V211D mutation and subsequent resistance to Erbitux (cetuximab) and Selumetinib (AZD6244) combination treatment were resistant to combination therapy consisting of Tafinlar (dabrafenib) and Mekinist (trametinib) in culture (PMID: 27312529). 27312529
BRAF V600E MAP2K1 V211D colorectal cancer resistant SCH772984 Preclinical - Cell culture Actionable In a preclinical study, colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 V211D mutation and subsequent resistance to Erbitux (cetuximab) and Selumetinib (AZD6244) combination treatment were resistant to SCH772984 in culture (PMID: 27312529). 27312529
BRAF V600E MAP2K1 V211D colorectal cancer resistant Cetuximab + Dabrafenib + Trametinib Preclinical - Cell culture Actionable In a preclinical study, colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 V211D mutation and subsequent resistance to Erbitux (cetuximab) and Selumetinib (AZD6244) combination treatment were resistant to combination therapy consisting of Erbitux (cetuximab), Tafinlar (dabrafenib), and Mekinist (trametinib) in culture (PMID: 27312529). 27312529
BRAF V600E MAP2K1 V211D melanoma resistant Trametinib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 V211D demonstrated resistance to treatment with Mekinist (trametinib) in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 V211D melanoma resistant CI-1040 Preclinical Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K V211D demonstrated resistance to growth inhibition by CI-1040 in cell culture (PMID: 19915144). 19915144
BRAF V600E MAP2K1 V211D melanoma sensitive Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, Zelboraf (vemurafenib) inhibited proliferation of melanoma cells harboring BRAF V600E and expressing MAP2K1 V211D in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 V211D colorectal cancer resistant Cetuximab + Encorafenib Preclinical - Cell culture Actionable In a preclinical study, colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 V211D mutation and subsequent resistance to Erbitux (cetuximab) and Selumetinib (AZD6244) combination treatment were resistant to combination therapy consisting of Erbitux (cetuximab) and Encorafenib (LGX818) in culture (PMID: 27312529). 27312529
BRAF K601E MAP2K1 V211D colon cancer sensitive MAP855 Preclinical - Pdx Actionable In a preclinical study, MAP955 inhibited Rsk and Erk phosphorylation, and resulted in 30% tumor regression in patient-derived xenograft (PDX) models of metastatic colon cancer harboring BRAF K601E and MAP2K1 V211D (PMID: 31227518). 31227518
BRAF K601E MAP2K1 V211D colon cancer predicted - resistant Binimetinib + Panitumumab Case Reports/Case Series Actionable In a clinical case study, a patient with metastatic colon cancer harboring BRAF K601E developed progressive disease after 6 weeks of Mektovi (binimetinib) and Vectibix (panitumumab) combination treatment, MAP2K1 V211D was identified as a co-occuring mutation in the biopsy from the new metastasis site (PMID: 31227518). 31227518
BRAF K601E MAP2K1 V211D colon cancer resistant Binimetinib Preclinical - Pdx Actionable In a preclinical study, Mektovi (binimetinib) did not inhibit Rsk and Erk phosphorylation, and had no effect on tumor growth in patient-derived xenograft (PDX) models of metastatic colon cancer harboring BRAF K601E and MAP2K1 V211D (PMID: 31227518). 31227518
BRAF K601E MAP2K1 V211D colon cancer resistant Binimetinib + Cetuximab Preclinical - Pdx Actionable In a preclinical study, Mektovi (binimetinib) and Erbitux (cetuximab) combination did not inhibit Rsk and Erk phosphorylation, and had no effect on tumor growth in patient-derived xenograft (PDX) models of metastatic colon cancer harboring BRAF K601E and MAP2K1 V211D (PMID: 31227518). 31227518
MAP2K1 L115P Advanced Solid Tumor resistant CI-1040 Preclinical - Cell culture Actionable In a preclinical study, CI-1040 (PD184352) did not inhibit kinase activity of Map2k1 L115P expressed in transformed human kidney cells (PMID: 12370306). 12370306
MAP2K1 L115P melanoma resistant Selumetinib Preclinical - Cell culture Actionable In a preclinical study, Selumetinib (AZD6244) did not inhibit proliferation of melanoma cells expressing Map2k1 L115P (PMID: 19915144). 19915144
MAP2K1 L115P melanoma resistant CI-1040 Preclinical - Cell culture Actionable In a preclinical study, CI-1040 (PD184352) did not inhibit proliferation of melanoma cells expressing Map2k1 L115P (PMID: 19915144). 19915144
BRAF V600E MAP2K1 L115P colorectal cancer sensitive Cetuximab + Dabrafenib Preclinical - Cell culture Actionable In a preclinical study, combination therapy consisting of Erbitux (cetuximab) and Tafinlar (dabrafenib) inhibited survival of colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 L115P mutation and subsequent resistance to Tafinlar (dabrafenib) and Mekinist (trametinib) combination treatment in culture (PMID: 27312529). 27312529
BRAF V600E MAP2K1 L115P colorectal cancer resistant Dabrafenib + Trametinib Preclinical - Cell culture Actionable In a preclinical study, colorectal cancer cells harboring BRAF V600E developed sustained activation of Mapk signaling and resistance to Tafinlar (dabrafenib) and Mekinist (trametinib) combination treatment in culture, likely due to the acquired secondary resistance mutation MAP2K1 L115P (PMID: 27312529). 27312529
BRAF V600E MAP2K1 L115P colorectal cancer sensitive Cetuximab + Dabrafenib + SCH772984 Preclinical - Cell culture Actionable In a preclinical study, combination therapy consisting of Erbitux (cetuximab), Tafinlar (dabrafenib), and SCH772984 inhibited survival of colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 L115P mutation and subsequent resistance to Tafinlar (dabrafenib) and Mekinist (trametinib) combination treatment in culture (PMID: 27312529). 27312529
BRAF V600E MAP2K1 L115P colorectal cancer sensitive SCH772984 Preclinical - Cell culture Actionable In a preclinical study, SCH772984 inhibited survival of colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 L115P mutation and subsequent resistance to Tafinlar (dabrafenib) and Mekinist (trametinib) combination treatment in culture (PMID: 27312529). 27312529
BRAF V600E MAP2K1 L115P colorectal cancer sensitive Cetuximab + Dabrafenib + Trametinib Preclinical - Cell culture Actionable In a preclinical study, combination therapy consisting of Erbitux (cetuximab), Tafinlar (dabrafenib), and Mekinist (trametinib) inhibited survival of colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 L115P mutation and subsequent resistance to Tafinlar (dabrafenib) and Mekinist (trametinib) combination treatment in culture (PMID: 27312529). 27312529
BRAF V600E MAP2K1 L115P colorectal cancer sensitive Dabrafenib + SCH772984 Preclinical - Cell culture Actionable In a preclinical study, combination therapy consisting of Tafinlar (dabrafenib) and SCH772984 inhibited survival of colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 L115P mutation and subsequent resistance to Tafinlar (dabrafenib) and Mekinist (trametinib) combination treatment in culture (PMID: 27312529). 27312529
BRAF V600E MAP2K1 L115P melanoma sensitive DEL-22379 Preclinical - Cell culture Actionable In a preclinical study, DEL-22379 inhibited growth of a melanoma cell line harboring BRAF V600E and expressing MAP2K1 L115P in culture (PMID: 26267534). 26267534
BRAF V600E MAP2K1 L115P colorectal cancer sensitive Cetuximab + SCH772984 Preclinical - Cell culture Actionable In a preclinical study, combination therapy consisting of Erbitux (cetuximab) and SCH772984 inhibited survival of colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 L115P mutation and subsequent resistance to Tafinlar (dabrafenib) and Mekinist (trametinib) combination treatment in culture (PMID: 27312529). 27312529
BRAF V600E MAP2K1 L115P melanoma resistant PD-0325901 Preclinical Actionable In a preclinical study, over expression of MAPK21 L115P in melanoma cells harboring BRAF V600E resulted in insensitivity to growth inhibition by PD-0325901 in cell culture (PMID: 26267534). 26267534
BRAF V600E MAP2K1 L115P colorectal cancer sensitive Cetuximab + Encorafenib Preclinical - Cell culture Actionable In a preclinical study, combination therapy consisting of Erbitux (cetuximab) and Encorafenib (LGX818) inhibited survival of colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 L115P mutation and subsequent resistance to Tafinlar (dabrafenib) and Mekinist (trametinib) combination treatment in culture (PMID: 27312529). 27312529
BRAF V600E MAP2K1 L115P colorectal cancer sensitive Cetuximab + Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, combination therapy consisting of Erbitux (cetuximab) and Zelboraf (vemurafenib) inhibited survival of colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 L115P mutation and subsequent resistance to Tafinlar (dabrafenib) and Mekinist (trametinib) combination treatment in culture (PMID: 27312529). 27312529
BRAF V600E MAP2K1 L115P colorectal cancer sensitive Alpelisib + Cetuximab + Encorafenib Preclinical - Cell culture Actionable In a preclinical study, combination therapy consisting of Erbitux (cetuximab), Encorafenib (LGX818) and Alpelisib (BYL719) inhibited survival of colorectal cancer cells harboring BRAF V600E that acquired a MAP2K1 L115P mutation and subsequent resistance to Tafinlar (dabrafenib) and Mekinist (trametinib) combination treatment in culture (PMID: 27312529). 27312529
BRAF V600E MAP2K1 L115P melanoma resistant Trametinib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 L115P demonstrated resistance to treatment with Mekinist (trametinib) in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 L115P melanoma sensitive Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, Zelboraf (vemurafenib) inhibited proliferation of melanoma cells harboring BRAF V600E and expressing MAP2K1 L115P in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 I99T melanoma resistant Trametinib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 I99T demonstrated resistance to Mekinist (trametinib) treatment in culture (PMID: 31925410). 31925410
BRAF V600E MAP2K1 P162S melanoma sensitive Dabrafenib Preclinical Actionable In a preclinical study, Tafinlar (dabrafenib) inhibited growth of BRAF V600E-mutant melanoma cells expressing MAP2K2 P162S in culture (PMID: 24265154). 24265154
BRAF V600E MAP2K1 P162S melanoma sensitive Trametinib Preclinical Actionable In a preclinical study, Mekinist (trametinib) inhibited growth of BRAF V600E-mutant melanoma cells expressing MAP2K2 P162S in culture (PMID: 24265154). 24265154
BRAF V600E MAP2K1 P162S melanoma sensitive Dabrafenib + Trametinib Preclinical Actionable In a preclinical study, the combination of Mekinist (trametinib) and Tafinlar (dabrafenib) inhibited growth of BRAF V600E-mutant melanoma cells expressing MAP2K2 P162S in culture (PMID: 24265154). 24265154
BRAF V600E MAP2K1 K59del melanoma resistant Dabrafenib Preclinical Actionable In a preclinical study, human melanoma cell lines harboring BRAF V600E and MAP2K1 K59del were resistant to Tafinlar (dabrafenib) mediated growth inhibition in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 K59del melanoma sensitive Dabrafenib + GSK2126458 Preclinical Actionable In a preclinical study, Tafinlar (dabrafenib) in combination with Omipalisib (GSK2126458) resulted in improved growth inhibition of human melanoma cell lines harboring BRAF V600E and MAP2K1 K59del in culture, compared to either agent alone (PMID: 22389471). 22389471
BRAF V600E MAP2K1 K59del melanoma resistant Trametinib Preclinical Actionable In a preclinical study, human melanoma cell lines harboring BRAF V600E and MAP2K1 K59del were resistant to growth inhibition by Mekinist (trametinib) in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 K59del melanoma sensitive GSK2126458 + Trametinib Preclinical Actionable In a preclinical study, Mekinist (trametinib) in combination with Omipalisib (GSK2126458) resulted in improved growth inhibition of human melanoma cell lines harboring BRAF V600E and MAP2K1 K59del in culture, compared to either agent alone (PMID: 22389471). 22389471
BRAF V600E MAP2K1 K59del melanoma resistant Vemurafenib Preclinical Actionable In a preclinical study, human melanoma cell lines harboring BRAF V600E and MAP2K1 K59del were resistant to Zelboraf (vemurafenib) growth inhibition in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 K59del melanoma decreased response GSK2126458 Preclinical Actionable In a preclinical study, human melanoma cell lines harboring BRAF V600E and MAP2K1 K59del had reduced sensitivity to Omipalisib (GSK2126458) in comparison to parental cell lines harboring BRAF V600E in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 K59del melanoma sensitive Dabrafenib + Trametinib Preclinical Actionable In a preclinical study, Talfinlar (dabrafenib) in combination with Mekinist (trametinib) resulted in improved growth inhibition of human melanoma cell lines harboring BRAF V600E harboring MAP2K1 K59del in culture (PMID: 22389471). 22389471
MAP2K1 K57N lymphatic system cancer sensitive Trametinib Case Reports/Case Series Actionable In a clinical case study, a patient with refractory Erdheim-Chester disease harboring a MAP2K1 K57N mutation had a sustained clinical response to Mekinist (trametinib) for over 6 months (PMID: 26566875). 26566875
MAP2K1 K57N colorectal cancer sensitive Cetuximab + Trametinib Preclinical Actionable In a preclinical study, Erbitux (cetuximab) and Mekinist (trametinib) inhibited colorectal cancer cell lines expressing MAP2K1 K57N in culture (PMID: 26644315). 26644315
MAP2K1 K57N Advanced Solid Tumor resistant PD98059 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 K57N displayed resistance to the Mek inhibitor, PD98059, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 K57N Advanced Solid Tumor sensitive PLX4720 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 K57N displayed sensitivity to the Braf inhibitor, PLX4720, as demonstrated by reversal of active Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 K57N colorectal cancer resistant Cetuximab Preclinical Actionable In a preclinical study, colorectal cancer cell lines expressing MAP2K1 K57N were insensitive to Erbitux (cetuximab) in culture (PMID: 26644315). 26644315
MAP2K1 K57N Advanced Solid Tumor resistant GDC0879 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 K57N displayed resistance to the Braf inhibitor, GDC-0879, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 K57N Advanced Solid Tumor sensitive Selumetinib Preclinical - Cell culture Actionable In a preclinical study, Map2k1 K57N displayed sensitivity to the Mek inhibitor, Selumetinib (AZD6244), as demonstrated by reversal of active Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 K57N colorectal cancer resistant Panitumumab Preclinical Actionable In a preclinical study, colorectal cancer cell lines expressing MAP2K1 K57N were insensitive to Vectibix (panitumumab) in culture (PMID: 26644315). 26644315
MAP2K1 K57N colorectal cancer sensitive Panitumumab + Trametinib Preclinical Actionable In a preclinical study, Vectibix (panitumumab) and Mekinist (trametinib) inhibited colorectal cancer cell lines expressing MAP2K1 K57N in culture (PMID: 26644315). 26644315
MAP2K1 K57N Advanced Solid Tumor resistant AZD8330 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 K57N displayed resistance to the Mek inhibitor, AZD8330, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 K57N lung adenocarcinoma sensitive Selumetinib Preclinical - Cell culture Actionable In a preclinical study, Koselugo (selumetinib) inhibited phosphorylation of ERK in cells expressing MAP2K1 K57N and inhibited MAP2K1 K57N-dependent growth in cell culture (PMID: 18632602). 18632602
MAP2K1 K57N Advanced Solid Tumor resistant Regorafenib Preclinical - Cell culture Actionable In a preclinical study, Map2k1 K57N displayed resistance to Stivarga (regorafenib; BAY 73-4506), as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
ALK rearrange MAP2K1 K57N lung non-small cell carcinoma sensitive Ceritinib + Selumetinib Preclinical - Patient cell culture Actionable In a preclinical study, NSCLC patient derived cells harboring an ALK rearrangement demonstrated resistance to Zykadia (ceritinib) due to the acquired mutation MAP2K1 K57N, however, sensitivity was restored to Zykadia (ceritinib) with the addition of Koselugo (selumetinib), resulting in decreased cell survival in culture and reduced tumor volume in xenograft models (PMID: 25394791). 25394791
BRAF V600E MAP2K1 P387S NRAS A146T melanoma resistant Dabrafenib Preclinical Actionable In a preclinical study, human melanoma cell lines harboring BRAF V600E, NRAS A146T and MAP2K1 P387S were resistant to Tafinlar (dabrafenib) mediated growth inhibition in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS A146T melanoma decreased response GSK2126458 Preclinical Actionable In a preclinical study, melanoma cell lines harboring BRAF V600E, NRAS A146T and MAP2K1 P387S had reduced sensitivity to Omipalisib (GSK2126458) in comparison to parental cell lines harboring BRAF V600E in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS A146T melanoma decreased response Trametinib Preclinical Actionable In a preclinical study, melanoma cell lines harboring BRAF V600E, NRAS A146T and MAP2K1 P387S were >20-fold less sensitive to growth inhibition by Mekinist (trametinib) than parental cell lines harboring BRAF V600E and also had reduced sensitivity in comparison to cell lines harboring BRAF V600E and NRAS A146T in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS A146T melanoma no benefit Dabrafenib + GSK2126458 Preclinical Actionable In a preclinical study, Talfinlar (dabrafenib) in combination with Omipalisib (GSK2126458) did not improve the response to human melanoma cell lines harboring BRAF V600E, NRAS A146T and MAP2K1 P387S in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS A146T melanoma resistant Vemurafenib Preclinical Actionable In a preclinical study, melanoma cell lines harboring BRAF V600E, NRAS A146T and MAP2K1 P387S were resistant to Zelboraf (vemurafenib) growth inhibition in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS A146T melanoma sensitive GSK2126458 + Trametinib Preclinical Actionable In a preclinical study, Mekinist (trametinib) in combination with Omipalisib (GSK2126458) resulted in improved growth inhibition in melanoma cell lines harboring BRAF V600E, NRAS A146T and MAP2K1 P387S in culture, compared to either agent alone (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS Q61K melanoma resistant Vemurafenib Preclinical Actionable In a preclinical study, human melanoma cell lines harboring BRAF V600E, NRAS Q61K and MAP2K1 P387S were resistant to growth inhibition by Zelboraf (vemurafenib) in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS Q61K melanoma sensitive GSK2126458 + Trametinib Preclinical Actionable In a preclinical study, Mekinist (trametinib) in combination with Omipalisib (GSK2126458) resulted in improved growth inhibition of human melanoma cell lines harboring BRAF V600E, NRAS Q61K, and MAP2K1 P387S in culture, compared to either agent alone (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS Q61K melanoma resistant Dabrafenib Preclinical Actionable In a preclinical study, human melanoma cell lines harboring BRAF V600E, NRAS Q61K and MAP2K1 P387S were resistant to Tafinlar (dabrafenib) mediated growth inhibition in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS Q61K melanoma decreased response Trametinib Preclinical Actionable In a preclinical study, human melanoma cell lines harboring BRAF V600E, NRAS Q61K and MAP2K1 P387S were >20-fold less sensitive to growth inhibition by Mekinist (trametinib) than parental cell lines harboring BRAF V600E in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS Q61K melanoma decreased response GSK2126458 Preclinical Actionable In a preclinical study, human melanoma cell lines harboring BRAF V600E, NRAS Q61K and MAP2K1 P387S had reduced sensitivity to Omipalisib (GSK2126458) in comparison to parental cell lines harboring BRAF V600E in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS Q61K melanoma conflicting Dabrafenib + GSK2126458 Preclinical Actionable In a preclinical study, the response of human melanoma cell lines harboring BRAF V600E, NRAS Q61K, and MAP2K1 P387S to Tafinlar (dabrafenib) in combination with Omipalisib (GSK2126458) was conflicting as one cell line with this mutation profile responded to the combination and another cell line with the mutation profile did not (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS Q61K NRAS A146T melanoma resistant Trametinib Preclinical Actionable In a preclinical study, melanoma cell lines harboring BRAF V600E, NRAS Q61K, NRAS A146T and MAP2K1 P387S were resistant to growth inhibition by Mekinist (trametinib) in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS Q61K NRAS A146T melanoma resistant Dabrafenib Preclinical Actionable In a preclinical study, melanoma cell lines harboring BRAF V600E, NRAS Q61K, NRAS A146T and MAP2K1 P387S were resistant Tafinlar (dabrafenib) mediated growth inhibition in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS Q61K NRAS A146T melanoma resistant Vemurafenib Preclinical Actionable In a preclinical study, melanoma cell lines harboring BRAF V600E, NRAS Q61K, A146T and MAP2K1 P387S were resistant to Zelboraf (vemurafenib) growth inhibition in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS Q61K NRAS A146T melanoma decreased response GSK2126458 Preclinical Actionable In a preclinical study, melanoma cell lines harboring BRAF V600E, NRAS Q61K, NRAS A146T and MAP2K1 P387S had reduced sensitivity to Omipalisib (GSK2126458) in comparison to parental cell lines harboring BRAF V600E in culture (PMID: 22389471). 22389471
BRAF V600E MAP2K1 P387S NRAS Q61K NRAS A146T melanoma sensitive GSK2126458 + Trametinib Preclinical Actionable In a preclinical study, Mekinist (trametinib) in combination with Omipalisib (GSK2126458) resulted in improved growth inhibition in melanoma cell lines harboring BRAF V600E, NRAS Q61K, NRAS A146T and MAP2K1 P387S in culture, compared to either agent alone (PMID: 22389471). 22389471
BRAF V600E MAP2K1 I99G melanoma resistant Trametinib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 I99G demonstrated resistance to Mekinist (trametinib) treatment in culture (PMID: 31925410). 31925410
MAP2K1 V60E melanoma resistant Trametinib Preclinical Actionable In a preclinical study, a melanoma cell line expressing MAP2K1 V60E demonstrated resistance to Mekinist (trametinib) in culture (PMID: 24265153). 24265153
MAP2K1 V60E melanoma resistant Dabrafenib Preclinical Actionable In a preclinical study, a melanoma cell line expressing MAP2K1 V60E demonstrated resistance to Tafinlar (dabrafenib) in culture (PMID: 24265153). 24265153
BRAF V600E MAP2K1 V60E melanoma resistant Dabrafenib Preclinical Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 V60E demonstrated resistance to treatment with Tafinlar (dabrafenib) in culture, resulting in sustained Map2k1/2 and Erk1/2 phosphorylation (PMID: 24265153). 24265153
BRAF V600E MAP2K1 V60E melanoma sensitive VRT11E Preclinical Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 V60E demonstrated sensitivity to treatment with VRT11E, resulting in decreased cell growth in culture (PMID: 24265153). 24265153
BRAF V600X MAP2K1 V60E NRAS T58I NRAS Q61R melanoma predicted - resistant Vemurafenib Clinical Study - Cohort Actionable In a clinical study, a melanoma patient harboring a BRAF V600 mutation developed resistance-associated mutations, MAP2K1 V60E, NRAS T58I, and NRAS Q61R, after 18 weeks of treatment with Zelboraf (vemurafenib) (PMID: 24265153). 24265153
MAP2K1 P124Q lymphatic system cancer predicted - sensitive Cobimetinib Case Reports/Case Series Actionable In a Phase II trial, treatment with Cotellic (cobimetinib) in patients with histiocytic neoplasms resulted in a PET overall response rate of 89% (16/18), with complete response in 72% (13/18) and partial response in 17% (3/18), and resulted in stable disease in 6% (1/18) of patients, including a complete response in a patient with Erdheim-Chester disease harboring MAP2K1 P124Q (PMID: 30867592; NCT01953926). 30867592
BRAF V600K MAP2K1 P124Q melanoma sensitive Trametinib Preclinical - Cell culture Actionable In a preclinical study, Mekinist (trametinib) inhibited ERK signaling and reduced growth of a melanoma cell line harboring BRAF V600K and MAP2K1 P124Q in culture (PMID: 25370473). 25370473
BRAF V600K MAP2K1 P124Q melanoma decreased response Dabrafenib Preclinical - Cell culture Actionable In a preclinical study, a melanoma cell line harboring BRAF V600K and MAP2K1 P124Q demonstrated decreased sensitivity to Tafinlar (dabrafenib) in culture (PMID: 25370473). 25370473
BRAF V600K MAP2K1 P124Q melanoma sensitive VX-11e Preclinical - Cell culture Actionable In a preclinical study, VX-11e inhibited ERK signaling and reduced growth of a melanoma cell line harboring BRAF V600K and MAP2K1 P124Q in culture (PMID: 25370473). 25370473
BRAF V600E MAP2K1 P124Q melanoma decreased response Dabrafenib Preclinical - Cell culture Actionable In a preclinical study, a melanoma cell line harboring BRAF V600E and expressing MAP2K1 P124Q demonstrated decreased sensitivity to Tafinlar (dabrafenib) in cell culture (PMID: 25370473). 25370473
MAP2K1 P124L melanoma resistant Selumetinib Preclinical Actionable In a preclinical study, transformed human melanoma cells expressing MAP2K1 P124L demonstrated resistance to the MEK inhibitor, Selumetinib (AZD6244) (PMID: 19915144). 19915144
MAP2K1 P124L lymphatic system cancer predicted - sensitive Cobimetinib Case Reports/Case Series Actionable In a Phase II trial, treatment with Cotellic (cobimetinib) in patients with histiocytic neoplasms resulted in a PET overall response rate of 89% (16/18), with complete response in 72% (13/18) and partial response in 17% (3/18), and resulted in stable disease in 6% (1/18) of patients, including a complete response in a patient with mixed histiocytosis harboring MAP2K1 P124L (PMID: 30867592; NCT01953926). 30867592
BRAF V600K MAP2K1 P124L melanoma sensitive Trametinib Preclinical - Cell culture Actionable In a preclinical study, Mekinist (trametinib) inhibited ERK signaling and reduced growth of a melanoma cell line harboring BRAF V600K and MAP2K1 P124L in culture (PMID: 25370473). 25370473
BRAF V600K MAP2K1 P124L melanoma predicted - resistant Dabrafenib + Trametinib Case Reports/Case Series Actionable In a clinical case study, Tafinlar (dabrafenib) and Mekinist (trametinib) combination treatment resulted in disease progression within one month in a metastatic melanoma patient harboring BRAF V600K and MAP2K1 P124L (PMID: 31980996). 31980996
BRAF V600K MAP2K1 P124L melanoma sensitive VX-11e Preclinical Actionable In a preclinical study, VX-11e inhibited ERK signaling and reduced growth of a melanoma cell line harboring BRAF V600K and MAP2K1 P124L in culture (PMID: 25370473). 25370473
BRAF V600K MAP2K1 P124L melanoma decreased response Dabrafenib Preclinical - Cell culture Actionable In a preclinical study, a melanoma cell line harboring BRAF V600K and MAP2K1 P124L demonstrated decreased sensitivity to Tafinlar (dabrafenib) in culture (PMID: 25370473). 25370473
BRAF V600E MAP2K1 P124L melanoma decreased response Trametinib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 P124L demonstrated a decreased response to treatment with Mekinist (trametinib) in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 P124L melanoma decreased response Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 P124L demonstrated a decreased response to treatment with Zelboraf (vemurafenib) in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 I99M melanoma sensitive Trametinib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 I99M demonstrated sensitivity to Mekinist (trametinib) treatment similar to cells expressing wild-type MAPK21 in culture (PMID: 31925410). 31925410
MAP2K1 F53S Advanced Solid Tumor sensitive CI-1040 Preclinical - Cell culture Actionable In a preclinical study, CI-1040 (PD184352) inhibited kinase activity of Map2k1 F53S expressed in transformed human kidney cells (PMID: 12370306). 12370306
MAP2K1 I103N melanoma resistant Selumetinib Preclinical - Cell culture Actionable In a preclinical study, Selumetinib (AZD6244) did not inhibit proliferation of melanoma cells expressing Map2k1 I103N (PMID: 19915144). 19915144
MAP2K1 I103N melanoma resistant CI-1040 Preclinical - Cell culture Actionable In a preclinical study, CI-1040 (PD184352) did not inhibit proliferation of melanoma cells expressing Map2k1 I103N (PMID: 19915144). 19915144
MAP2K1 I103N Advanced Solid Tumor decreased response CI-1040 Preclinical - Cell culture Actionable In a preclinical study, CI-1040 (PD184352) partially inhibited kinase activity of Map2k1 I103N expressed in transformed human kidney cells (PMID: 12370306). 12370306
BRAF V600E MAP2K1 I103N melanoma sensitive DEL-22379 Preclinical - Cell culture Actionable In a preclinical study, DEL-22379 inhibited growth of a melanoma cell line harboring BRAF V600E and expressing MAP2K1 I103N in culture (PMID: 26267534). 26267534
BRAF V600E MAP2K1 I103N melanoma resistant PD-0325901 Preclinical Actionable In a preclinical study, over expression of MAPK21 I103N in melanoma cells harboring BRAF V600E resulted in insensitivity to growth inhibition by PD-0325901 in cell culture (PMID: 26267534). 26267534
BRAF V600E MAP2K1 E203K melanoma sensitive Ulixertinib Preclinical - Cell culture Actionable In a preclinical study, BVD-523 (ulixertinib) inhibited proliferation of melanoma cells harboring BRAF V600E and expressing MAP2K1 E203K in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 E203K melanoma resistant Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 E203K demonstrated resistance to treatment with Zelboraf (vemurafenib) in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 E203K melanoma resistant Trametinib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 E203K demonstrated resistance to treatment with Mekinist (trametinib) in culture (PMID: 28655712). 28655712
MAP2K1 Q56_V60del ovarian serous carcinoma predicted - sensitive Selumetinib Case Reports/Case Series Actionable In a Phase II trial, Koselugo (selumetinib) treatment resulted in a complete response that lasted over 5 years with continuous treatment in a patient with serous ovarian cancer harboring MAP2K1 Q56_V60del (PMID: 26324360). 26324360
BRAF V600E MAP2K1 P124S melanoma resistant Trametinib Preclinical Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 P124S demonstrated resistance to treatment with Mekinist (trametinib) in culture (PMID: 24265153). 24265153
BRAF V600E MAP2K1 P124S melanoma decreased response Selumetinib Preclinical Actionable In a preclinical study, melanoma cells harboring BRAF V600E and MAP2K1 P124S demonstrated decreased sensitivity to Selumetinib (AZD6244) compared to cells harboring BRAF V600E alone in culture (PMID: 22197931). 22197931
BRAF V600E MAP2K1 P124S melanoma resistant Dabrafenib Preclinical Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 P124S demonstrated resistance to treatment with Tafinlar (dabrafenib) in culture (PMID: 24265153). 24265153
BRAF V600E MAP2K1 P124S melanoma sensitive VRT11E Preclinical Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 P124S demonstrated sensitivity to treatment with VRT11E, resulting in decreased cell growth in culture (PMID: 24265153). 24265153
ETV6 - NTRK3 MAP2K1 P124S pancreatic cancer predicted - resistant LOXO-195 Case Reports/Case Series Actionable In a clinical case study, a secondary resistance mutation, MAP2K1 P124S, was identified via cell-free DNA testing after a patient with pancreatic cancer harboring ETV6-NTRK3 progressed on LOXO-195 treatment (PMID: 31406350). 31406350
MAP2K1 E41_L54del lung cancer sensitive Trametinib Preclinical - Cell culture Actionable In a preclinical study, Mekinist (trametinib) inhibited growth of transformed human lung cells expressing MAP2K1 E41_L54del in culture (PMID: 32122926). 32122926
MAP2K1 E41_L54del lung cancer sensitive Cobimetinib Preclinical - Cell culture Actionable In a preclinical study, Cotellic (cobimetinib) inhibited growth of transformed human lung cells expressing MAP2K1 E41_L54del in culture (PMID: 32122926). 32122926
MAP2K1 E41_L54del Advanced Solid Tumor sensitive Selumetinib Preclinical - Cell culture Actionable In a preclinical study, Koselugo (selumetinib) inhibited growth of transformed cells expressing MAP2K1 E41_L54del in culture (PMID: 32122926). 32122926
MAP2K1 E41_L54del lung cancer sensitive Selumetinib Preclinical - Cell culture Actionable In a preclinical study, Koselugo (selumetinib) inhibited growth of transformed human lung cells expressing MAP2K1 E41_L54del in culture (PMID: 32122926). 32122926
MAP2K1 E41_L54del Advanced Solid Tumor sensitive Cobimetinib Preclinical - Cell culture Actionable In a preclinical study, Cotellic (cobimetinib) inhibited growth of transformed cells expressing MAP2K1 E41_L54del in culture (PMID: 32122926). 32122926
MAP2K1 E41_L54del Advanced Solid Tumor sensitive Trametinib Preclinical - Cell culture Actionable In a preclinical study, Mekinist (trametinib) inhibited growth of transformed cells expressing MAP2K1 E41_L54del in culture (PMID: 32122926). 32122926
MAP2K1 E41_L54del lung cancer no benefit LY3009120 Preclinical - Cell culture Actionable In a preclinical study, transformed human lung cells expressing MAP2K1 E41_L54del were not sensitive to LY3009120 in culture (PMID: 32122926). 32122926
MAP2K1 E41_L54del Advanced Solid Tumor no benefit LY3009120 Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing MAP2K1 E41_L54del were not sensitive to LY3009120 in culture (PMID: 32122926). 32122926
MAP2K1 F129L Advanced Solid Tumor resistant PD98059 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 F129L displayed resistance to the Mek inhibitor, PD98059, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 F129L Advanced Solid Tumor sensitive PLX4720 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 F129L displayed sensitivity to the Braf inhibitor, PLX4720, as demonstrated by reversal of active Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 F129L Advanced Solid Tumor resistant GDC0879 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 F129L displayed resistance to the Braf inhibitor, GDC-0879, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 F129L Advanced Solid Tumor sensitive Selumetinib Preclinical - Cell culture Actionable In a preclinical study, Map2k1 F129L displayed sensitivity to the Mek inhibitor, Selumetinib (AZD6244), as demonstrated by reversal of active Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 F129L Advanced Solid Tumor resistant Regorafenib Preclinical - Cell culture Actionable In a preclinical study, Map2k1 F129L displayed resistance to Stivarga (regorafenib; BAY 73-4506), as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 F129L Advanced Solid Tumor resistant AZD8330 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 F129L displayed resistance to the Mek inhibitor, AZD8330, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 F129L colorectal cancer sensitive RO4927350 Preclinical - Cell line xenograft Actionable In a preclinical study, a colorectal cancer cell line harboring MAP2K1 F129L demonstrated sensitivity to treatment with RO4927350 in culture and in cell line xenograft models, demonstrating inhibition of tumor growth (PMID: 21705440). 21705440
MAP2K1 C121S Advanced Solid Tumor resistant AZD8330 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 C121S displayed resistance to the Mek inhibitor, AZD8330, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 C121S Advanced Solid Tumor resistant GDC0879 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 C121S displayed resistance to the Braf inhibitor, GDC-0879, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 C121S Advanced Solid Tumor resistant PD98059 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 C121S displayed resistance to the Mek inhibitor, PD98059, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 C121S colorectal cancer resistant Cetuximab Preclinical - Cell culture Actionable In a preclinical study, expression of MAP2K1 C121S conferred resistance to Erbitux (cetuximab) in colorectal cancer cells in culture (PMID: 28179366). 28179366
MAP2K1 C121S Advanced Solid Tumor sensitive Selumetinib Preclinical - Cell culture Actionable In a preclinical study, Map2k1 C121S displayed sensitivity to the Mek inhibitor, Selumetinib (AZD6244), as demonstrated by reversal of active Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 C121S colorectal cancer sensitive Cetuximab + Trametinib Preclinical - Cell culture Actionable In a preclinical study, the combination of Erbitux (cetuximab) and Mekinist (trametinib) decreased viability of colorectal cancer cells harboring MAP2K1 C121S in culture (PMID: 28179366). 28179366
MAP2K1 C121S Advanced Solid Tumor resistant Regorafenib Preclinical - Cell culture Actionable In a preclinical study, Map2k1 C121S displayed resistance to Stivarga (regorafenib; BAY 73-4506), as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 C121S Advanced Solid Tumor sensitive PLX4720 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 C121S displayed sensitivity to the Braf inhibitor, PLX4720, as demonstrated by reversal of active Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
BRAF V600E MAP2K1 C121S melanoma sensitive E6201 Preclinical Actionable In a preclinical study, E6201 inhibited Mapk pathway activation and proliferation of melanoma cell line harboring BRAF V600E mutation and overexpressing MAP2K1 C121S in culture (PMID: 24448821). 24448821
BRAF V600E MAP2K1 C121S melanoma resistant PLX4720 Preclinical Actionable In a preclinical study, expression of MAP2K1 C121S conferred resistance to PLX4720 in melanoma cells harboring BRAF V600E in culture (PMID: 21383288). 21383288
BRAF V600E MAP2K1 C121S melanoma decreased response Selumetinib Preclinical Actionable In a preclinical study, melanoma cell lines harboring BRAF V600E mutation and overexpressing MAP2K1 C121S were less sensitive than those overexpressing wild-type MAP2K1 to Selumetinib (AZD6244)-induced inhibition of Mapk pathway activation and cell proliferation in culture (PMID: 24448821). 24448821
BRAF V600E MAP2K1 C121S melanoma sensitive VRT11E Preclinical Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 C121S demonstrated sensitivity to treatment with VRT11E, resulting in decreased cell growth in culture (PMID: 24265153). 24265153
BRAF V600E MAP2K1 C121S melanoma resistant Dabrafenib + Trametinib Preclinical Actionable In a preclinical study, MAP2K1 C121S conferred resistance to the combination of Tafinlar (dabrafenib) and Mekinist (trametinib) in BRAF V600E-mutant melanoma cells in culture (PMID: 24265154). 24265154
BRAF V600E MAP2K1 C121S melanoma resistant Trametinib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 C121S demonstrated resistance to treatment with Mekinist (trametinib) in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 C121S melanoma resistant Vemurafenib Case Reports/Case Series Actionable In a clinical case study, a patient harboring BRAF V600E demonstrated an initial response to treatment with Zelboraf (vemurafenib), but progressed following emergence of a MAP2K1 C121S mutation (PMID: 21383288). 21383288
BRAF V600E MAP2K1 C121S melanoma resistant Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, expression of MAP2K1 C121S conferred resistance to Zelboraf (vemurafenib) in melanoma cell lines harboring BRAF V600, resulting in decreased sensitivity to Zelboraf (vemurafenib)-induced inhibition of MAPK pathway activation and cell proliferation in culture (PMID: 24448821). 24448821
MAP2K1 K57E melanoma resistant Dabrafenib Preclinical Actionable In a preclinical study, MAP2K1 (MEK1) K57E mutations restored extracellular signal-regulated kinase (ERK) activation in the presence of Tafinlar (dabrafenib) in cultured melanoma cell lines (PMID: 24463458). 24463458
BRAF V600E MAP2K1 K57E melanoma resistant Dabrafenib Preclinical - Cell culture Actionable In a preclinical study, expression of MAP2K1 K57E in a melanoma cell line harboring BRAF V600E conferred resistance to Tafinlar (dabrafenib) in culture (PMID: 25370473). 25370473
BRAF V600E MAP2K1 H119P melanoma resistant Selumetinib Preclinical Actionable In a preclinical study, melanoma cells harboring BRAF V600E treated with Selumetinib (AZD6244) in culture demonstrated resistance, which was a result of the resistance mutation, MAP2K1 H119P (PMID: 19915144). 19915144
BRAF V600E MAP2K1 I111N melanoma resistant Trametinib Preclinical - Cell culture Actionable In a preclinical study, melanoma cells harboring BRAF V600E and expressing MAP2K1 I111N demonstrated resistance to treatment with Mekinist (trametinib) in culture (PMID: 28655712). 28655712
BRAF V600E MAP2K1 I111N melanoma sensitive Vemurafenib Preclinical - Cell culture Actionable In a preclinical study, Zelboraf (vemurafenib) inhibited proliferation of melanoma cells harboring BRAF V600E and expressing MAP2K1 I111N in culture (PMID: 28655712). 28655712
MAP2K1 L115A Advanced Solid Tumor decreased response CI-1040 Preclinical - Cell culture Actionable In a preclinical study, CI-1040 (PD184352) partially inhibited kinase activity of Map2k1 L115A expressed in transformed human kidney cells (PMID: 12370306). 12370306
MAP2K1 F53L Advanced Solid Tumor sensitive Selumetinib Preclinical - Cell culture Actionable In a preclinical study, Map2k1 F53L displayed sensitivity to the Mek inhibitor, Selumetinib (AZD6244), as demonstrated by reversal of active Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 F53L Advanced Solid Tumor resistant GDC0879 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 F53L displayed resistance to the Braf inhibitor, GDC-0879, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 F53L histiocytic and dendritic cell cancer predicted - sensitive Trametinib Case Reports/Case Series Actionable In a clinical case study, Mekinist (trametinib) treatment resulted in resolution of symptoms within 3 days and a durable complete response for over 2 years in a patient with histiocytic sarcoma harboring MAP2K1 F53L (PMID: 29768143). 29768143
MAP2K1 F53L Advanced Solid Tumor resistant AZD8330 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 F53L displayed resistance to the Mek inhibitor, AZD8330, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 F53L colorectal cancer resistant Cetuximab Preclinical - Cell culture Actionable In a preclinical study, expression of MAP2K1 F53L conferred resistance to Erbitux (cetuximab) in colorectal cancer cells in culture (PMID: 28179366). 28179366
MAP2K1 F53L Advanced Solid Tumor sensitive PLX4720 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 F53L displayed sensitivity to the Braf inhibitor, PLX4720, as demonstrated by reversal of active Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 F53L Advanced Solid Tumor resistant PD98059 Preclinical - Cell culture Actionable In a preclinical study, Map2k1 F53L displayed resistance to the Mek inhibitor, PD98059, as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 F53L colorectal cancer sensitive Trametinib Preclinical Actionable In a preclinical study, a colorectal cancer cell line harboring MAP2K1 F53L demonstrated sensitivity to Mekinist (trametinib) in culture, resulting in decreased cell viability (PMID: 26582713). 26582713
MAP2K1 F53L Advanced Solid Tumor resistant Regorafenib Preclinical - Cell culture Actionable In a preclinical study, Map2k1 F53L displayed resistance to Stivarga (regorafenib; BAY 73-4506), as demonstrated by constitutive activation of Map2k1 in transformed human kidney cells (PMID: 29753091). 29753091
MAP2K1 F53L colorectal cancer sensitive Cetuximab + Trametinib Preclinical - Cell culture Actionable In a preclinical study, the combination of Erbitux (cetuximab) and Mekinist (trametinib) decreased viability of colorectal cancer cells harboring MAP2K1 F53L in culture (PMID: 28179366). 28179366
MAP2K1 P105_I107del lymphatic system cancer predicted - sensitive Cobimetinib Case Reports/Case Series Actionable In a Phase II trial, treatment with Cotellic (cobimetinib) in patients with histiocytic neoplasms resulted in a PET overall response rate of 89% (16/18), with complete response in 72% (13/18) and partial response in 17% (3/18), and resulted in stable disease in 6% (1/18) of patients, including a complete response in a patient with Erdheim-Chester disease harboring MAP2K1 P105_I107del (PMID: 30867592; NCT01953926). 30867592
Clinical Trial Phase Therapies Title Recruitment Status