Gene Variant Detail

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Gene ALK
Variant T1151M
Impact List missense
Protein Effect unknown
Gene Variant Descriptions ALK T1151M lies within the protein kinase domain and inhibitor binding region of the Alk protein (UniProt.org). T1151M has been demonstrated to occur as a secondary drug resistance mutation in the context of ALK fusions (PMID: 28676215, PMID: 27009859), but has not been biochemically characterized and therefore, its effect on Alk protein function is unknown (PubMed, Oct 2020).
Associated Drug Resistance Y

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Transcript NM_004304.4
gDNA chr2:g.29222407G>A
cDNA c.3452C>T
Protein p.T1151M
Source Database RefSeq
Genome Build GRCh38/hg38
Transcript gDNA cDNA Protein Source Database Genome Build
NM_004304 chr2:g.29222407G>A c.3452C>T p.T1151M RefSeq GRCh38/hg38
NM_004304.4 chr2:g.29222407G>A c.3452C>T p.T1151M RefSeq GRCh38/hg38

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Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
EML4 - ALK ALK T1151M Advanced Solid Tumor sensitive Crizotinib Preclinical - Cell culture Actionable In a preclinical study, Xalkori (crizotinib) inhibited the growth of transformed cells expressing EML4-ALK with ALK T1151M in culture (PMID: 27009859). 27009859
EML4 - ALK ALK T1151M Advanced Solid Tumor resistant ASP3026 Preclinical - Cell culture Actionable In a preclinical study, transformed cell lines harboring EML4-ALK with ALK T1151M were resistant to ASP3026 in culture (PMID: 27009859). 27009859
EML4 - ALK ALK T1151M Advanced Solid Tumor resistant Ceritinib Preclinical - Cell culture Actionable In a preclinical study, transformed cell lines harboring EML4-ALK with ALK T1151M were resistant to Zykadia (ceritinib) in culture (PMID: 27009859). 27009859
EML4 - ALK ALK T1151M Advanced Solid Tumor sensitive Brigatinib Preclinical - Cell culture Actionable In a preclinical study, Alunbrig (brigatinib) inhibited the growth of transformed cells expressing EML4-ALK with ALK T1151M in culture (PMID: 27009859). 27009859
EML4 - ALK ALK T1151M Advanced Solid Tumor sensitive Alectinib Preclinical - Cell culture Actionable In a preclinical study, Alecensa (alectinib) inhibited the growth of transformed cells expressing EML4-ALK with ALK T1151M in culture (PMID: 27009859). 27009859
EML4 - ALK ALK T1151M Advanced Solid Tumor sensitive AZD3463 Preclinical - Cell culture Actionable In a preclinical study, AZD3463 inhibited the growth of transformed cells expressing EML4-ALK with ALK T1151M in culture (PMID: 27009859). 27009859
NPM1 - ALK ALK T1151M anaplastic large cell lymphoma resistant Ceritinib Preclinical - Cell culture Actionable In a preclinical study, human anaplastic large cell lymphoma cell lines harboring NPM1-ALK with ALK T1151M were resistant to Zykadia (ceritinib) in culture (PMID: 27009859). 27009859
NPM1 - ALK ALK T1151M Advanced Solid Tumor resistant ASP3026 Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing NPM1-ALK with ALK T1151M were resistant to ASP3026 mediated growth inhibition in culture (PMID: 27009859). 27009859
NPM1 - ALK ALK T1151M Advanced Solid Tumor resistant Crizotinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing NPM1-ALK with ALK T1151M were resistant to Xalkori (crizotinib) mediated growth inhibition in culture (PMID: 27009859). 27009859
NPM1 - ALK ALK T1151M Advanced Solid Tumor resistant Alectinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing NPM1-ALK with ALK T1151M were resistant to Alecensa (alectinib) mediated growth inhibition in culture (PMID: 27009859). 27009859
NPM1 - ALK ALK T1151M Advanced Solid Tumor resistant AZD3463 Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing NPM1-ALK with ALK T1151M were resistant to AZD3463 mediated growth inhibition in culture (PMID: 27009859). 27009859
NPM1 - ALK ALK T1151M Advanced Solid Tumor resistant Ceritinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing NPM1-ALK with ALK T1151M were resistant to Zykadia (ceritinib) mediated growth inhibition in culture (PMID: 27009859). 27009859
NPM1 - ALK ALK T1151M Advanced Solid Tumor resistant Brigatinib Preclinical - Cell culture Actionable In a preclinical study, transformed cells expressing NPM1-ALK with ALK T1151M were resistant to Alunbrig (brigatinib)-mediated growth inhibition in culture (PMID: 27009859). 27009859
ALK rearrange ALK T1151M ALK G1202R lung non-small cell carcinoma predicted - resistant Lorlatinib Case Reports/Case Series Actionable In a clinical case study, a patient with ALK-rearranged non-small cell lung cancer progressed on treatment with Lorbrena (lorlatinib) and subsequent testing of the tumor biopsy revealed ALK G1202R and ALK F1174L whereas testing of single isolated circulating tumor cells (CTC) revealed ALK G1202R and ALK F1174C in one CTC sample and ALK G1202R and ALK T1151M in the second CTC sample (PMID: 31439588). 31439588
EML4 - ALK ALK T1151M ALK C1156Y ALK F1174L ALK G1202R ALK S1206F ALK G1269A lung adenocarcinoma predicted - resistant Lorlatinib Case Reports/Case Series Actionable In a clinical case study, Lorbrena (lorlatinib) treatment resulted in disease progression after 3.7 months therapy in a patient with lung adenocarcinoma harboring EML4-ALK and ALK G1202R, at disease progression, ALK F1174L in cis wth ALK G1202R was identified in biopsies, and ALK C1156Y, G1269A, S1206F, and T1151M were identified in ctDNA (PMID: 31585938). 31585938
Molecular Profile Indication/Tumor Type Response Type Therapy Name Approval Status Evidence Type Efficacy Evidence References
ALK mutant lung non-small cell carcinoma no benefit Crizotinib + Onalespib Phase II Actionable In a Phase II trial, Onalespib (AT13387) and Xalkori (crizotinib) combination treatment did not significantly improve median progression free survival (269 vs 266 days) or objective response rate (55.4%, 38/68 vs 45.3%, 31/68) compared to Xalkori (crizotinib) single treatment in patients with non-small cell lung carcinoma harboring either an ALK mutation or ALK rearrangement (J Clin Oncol 34, 2016 (suppl; abstr 9059); NCT01712217). detail...
ALK mutant lung non-small cell carcinoma no benefit Belizatinib Phase I Actionable In a Phase I trial, treatment with Belizatinib (TSR-011) in ALK inhibitor-naive non-small cell lung cancer patients (n=14) harboring either an ALK mutation, ALK amplification, or an ALK rearrangement resulted in a partial response in 6 patients and stable disease in 8 patients, however, it was determined that the drug resulted in limited efficacy and development of the drug was discontinued (PMID: 31217479; NCT02048488). 31217479