Reference Detail

Ref Type

Journal Article

PMID

(26939704)

Authors

Ardini E, Menichincheri M, Banfi P, Bosotti R, De Ponti C, Pulci R, Ballinari D, Ciomei M, Texido G, Degrassi A, Avanzi N, Amboldi N, Saccardo MB, Casero D, Orsini P, Bandiera T, Mologni L, Anderson D, Wei G, Harris J, Vernier JM, Li G, Felder E, Donati D, Isacchi A, Pesenti E, Magnaghi P, Galvani A

Title

Entrectinib, a Pan-TRK, ROS1, and ALK Inhibitor with Activity in Multiple Molecularly Defined Cancer Indications.

Journal	Vol	Issue	Date	Pages	Journal Short Title
Molecular cancer therapeutics	15	4	2016 Apr	628-39	Mol Cancer Ther

URL

Abstract Text

Activated ALK and ROS1 tyrosine kinases, resulting from chromosomal rearrangements, occur in a subset of non-small cell lung cancers (NSCLC) as well as other tumor types and their oncogenic relevance as actionable targets has been demonstrated by the efficacy of selective kinase inhibitors such as crizotinib, ceritinib, and alectinib. More recently, low-frequency rearrangements of TRK kinases have been described in NSCLC, colorectal carcinoma, glioblastoma, and Spitzoid melanoma. Entrectinib, whose discovery and preclinical characterization are reported herein, is a novel, potent inhibitor of ALK, ROS1, and, importantly, of TRK family kinases, which shows promise for therapy of tumors bearing oncogenic forms of these proteins. Proliferation profiling against over 200 human tumor cell lines revealed that entrectinib is exquisitely potent in vitro against lines that are dependent on the drug's pharmacologic targets. Oral administration of entrectinib to tumor-bearing mice induced regression in relevant human xenograft tumors, including the TRKA-dependent colorectal carcinoma KM12, ROS1-driven tumors, and several ALK-dependent models of different tissue origins, including a model of brain-localized lung cancer metastasis. Entrectinib is currently showing great promise in phase I/II clinical trials, including the first documented objective responses to a TRK inhibitor in colorectal carcinoma and in NSCLC. The drug is, thus, potentially suited to the therapy of several molecularly defined cancer settings, especially that of TRK-dependent tumors, for which no approved drugs are currently available. Mol Cancer Ther; 15(4); 628-39. ©2016 AACR.

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Molecular Profile	Treatment Approach
EML4 - ALK ALK L1196M	Entrectinib
EML4 - ALK ALK C1156Y	Ensartinib

Gene Name	Source	Synonyms	Protein Domains	Gene Description	Gene Role

Therapy Name	Drugs	Efficacy Evidence	Clinical Trials

Drug Name	Trade Name	Synonyms	Drug Classes	Drug Description

Gene	Variant	Impact	Protein Effect	Variant Description	Associated with drug Resistance

Molecular Profile	Indication/Tumor Type	Response Type	Therapy Name	Approval Status	Evidence Type	Efficacy Evidence	References
EML4 - ALK ALK G1202R	Advanced Solid Tumor	resistant	Entrectinib	Preclinical - Cell culture	Actionable	In a preclinical study, transformed cells expressing EML4-ALK with ALK G1202R were resistant to Rozlytrek (entrectinib) in culture (PMID: 26939704).	26939704
EML4 - ALK ALK L1196M	Advanced Solid Tumor	conflicting	Entrectinib	Preclinical - Cell culture	Actionable	In a preclinical study, transformed cells expressing EML4-ALK with ALK L1196M were sensitive to Rozlytrek (entrectinib), resulting in anti-proliferative activity in culture (PMID: 26939704).	26939704
EML4 - ALK ALK C1156Y	Advanced Solid Tumor	sensitive	Entrectinib	Preclinical - Cell culture	Actionable	In a preclinical study, transformed cells expressing EML4-ALK with ALK C1156Y were sensitive to Rozlytrek (entrectinib), resulting in anti-proliferative activity (PMID: 26939704).	26939704
EML4 - ALK	lung non-small cell carcinoma	sensitive	Entrectinib	Preclinical - Cell line xenograft	Actionable	In a preclinical study, non-small cell lung carcinoma cells harboring EML4-ALK were sensitive to Rozlytrek (entrectinib), resulting in inhibition of cell proliferation and complete tumor regression in cell line xenograft models (PMID: 26939704).	26939704
EML4 - ALK ALK G1269A	Advanced Solid Tumor	predicted - resistant	Entrectinib	Preclinical - Cell culture	Actionable	In a preclinical study, transformed cells expressing EML4-ALK with ALK G1269A demonstrated a decreased response when treated with Rozlytrek (entrectinib) compared to cells expressing wild-type EML4-ALK (PMID: 26939704).	26939704