Reference Detail

Ref Type

Journal Article

PMID

(29079636)

Authors

Ross JS, Ali SM, Fasan O, Block J, Pal S, Elvin JA, Schrock AB, Suh J, Nozad S, Kim S, Jeong Lee H, Sheehan CE, Jones DM, Vergilio JA, Ramkissoon S, Severson E, Daniel S, Fabrizio D, Frampton G, Miller VA, Stephens PJ, Gay LM

Title

ALK Fusions in a Wide Variety of Tumor Types Respond to Anti-ALK Targeted Therapy.

Journal	Vol	Issue	Date	Pages	Journal Short Title
The oncologist	22	12	2017 Dec	1444-1450	Oncologist

URL

Abstract Text

Genomic fusions of the anaplastic lymphoma kinase gene (ALK) are a well-established therapy target in non-small cell lung cancer (NSCLC). From a survey of 114,200 clinical cases, we determined the prevalence of ALK rearrangements (rALK) in non-NSCLC tumors and report their responsiveness to therapies targeting ALK.Comprehensive genomic profiling of 114,200 relapsed and metastatic malignancies, including both solid tumors and hematolymphoid cancers, was performed using a hybrid-capture, adaptor ligation-based next-generation sequencing assay.Of 114,200 clinical samples, 21,522 (18.8%) were NSCLC and 92,678 (81.2%) were other tumor types. Of the 876 (0.8%) cases with ALK fusions (fALK) or rALK, 675 (77.1%) were NSCLC and 201 (22.9%) were other tumor types. ALK fusions were significantly more frequent in NSCLC (3.1%) than non-NSCLC (0.2%; p < .0001). Patients with non-NSCLC tumors harboring fALK were significantly younger (p < .0001) and more often female (p < .0001) than patients with fALK-positive NSCLC. EML4 was more often the fusion partner in NSCLC (83.5%) versus non-NSCLC tumors (30.9%; p < .0001).ALK rearrangements can be identified in a wide variety of epithelial and mesenchymal malignancies beyond NSCLC. Anti-ALK therapies can be effective in non-NSCLC tumors driven by fALK, and further study of therapies targeting ALK in clinical trials involving a wider variety of cancer types appears warranted.Rearrangements involving the ALK gene have been detected in dozens of cancer types using next-generation sequencing. Patients whose tumors harbor ALK rearrangements or fusions respond to treatment with crizotinib and alectinib, including tumors not normally associated with ALK mutations, such as non-Langerhans cell histiocytosis or renal cell carcinoma. Comprehensive genomic profiling using next-generation sequencing can detect targetable ALK fusions irrespective of tumor type or fusions partner.

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Molecular Profile	Treatment Approach

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	renal cell carcinoma	predicted - sensitive	Alectinib	Case Reports/Case Series	Actionable	In a clinical case study, Alecensa (alectinib) treatment resulted in a significant response in the brain and lung metastases in a patient with renal cell carcinoma harboring EML4-ALK (PMID: 29079636).	29079636