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Dama E, Tillhon M, Bertalot G, de Santis F, Troglio F, Pessina S, Passaro A, Pece S, de Marinis F, Dell'Orto P, Viale G, Spaggiari L, Di Fiore PP, Bianchi F, Barberis M, Vecchi M. Sensitive and affordable diagnostic assay for the quantitative detection of anaplastic lymphoma kinase (ALK) alterations in patients with non-small cell lung cancer. Oncotarget 2018; 7:37160-37176. [PMID: 27206799 PMCID: PMC5095066 DOI: 10.18632/oncotarget.9471] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2016] [Accepted: 04/25/2016] [Indexed: 11/25/2022] Open
Abstract
Accurate detection of altered anaplastic lymphoma kinase (ALK) expression is critical for the selection of lung cancer patients eligible for ALK-targeted therapies. To overcome intrinsic limitations and discrepancies of currently available companion diagnostics for ALK, we developed a simple, affordable and objective PCR-based predictive model for the quantitative measurement of any ALK fusion as well as wild-type ALK upregulation. This method, optimized for low-quantity/-quality RNA from FFPE samples, combines cDNA pre-amplification with ad hoc generated calibration curves. All the models we derived yielded concordant predictions when applied to a cohort of 51 lung tumors, and correctly identified all 17 ALK FISH-positive and 33 of the 34 ALK FISH-negative samples. The one discrepant case was confirmed as positive by IHC, thus raising the accuracy of our test to 100%. Importantly, our method was accurate when using low amounts of input RNA (10 ng), also in FFPE samples with limited tumor cellularity (5-10%) and in FFPE cytology specimens. Thus, our test is an easily implementable diagnostic tool for the rapid, efficacious and cost-effective screening of ALK status in patients with lung cancer.
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Affiliation(s)
- Elisa Dama
- Molecular Medicine Program, European Institute of Oncology, Milan, Italy.,Division of Epidemiology and Biostatistics, European Institute of Oncology, Milan, Italy
| | - Micol Tillhon
- Molecular Medicine Program, European Institute of Oncology, Milan, Italy
| | - Giovanni Bertalot
- Molecular Medicine Program, European Institute of Oncology, Milan, Italy
| | - Francesca de Santis
- Molecular Medicine Program, European Institute of Oncology, Milan, Italy.,Present address: Advanced Cell Diagnostics, Segrate, Milan, Italy
| | - Flavia Troglio
- Molecular Medicine Program, European Institute of Oncology, Milan, Italy.,Present address: Division of Immunology, Transplantantion and Infectious Disease, Leukocyte Biology Unit, San Raffaele Scientific Institute, Milan, Italy
| | - Simona Pessina
- Department of Pathology, European Institute of Oncology, Milan, Italy
| | - Antonio Passaro
- Division of Thoracic Oncology, European Institute of Oncology, Milan, Italy
| | - Salvatore Pece
- Molecular Medicine Program, European Institute of Oncology, Milan, Italy.,DIPO, Department of Hemato-Oncology and Oncology, University of Milan, Milan, Italy
| | - Filippo de Marinis
- Division of Thoracic Oncology, European Institute of Oncology, Milan, Italy
| | | | - Giuseppe Viale
- Department of Pathology, European Institute of Oncology, Milan, Italy.,DIPO, Department of Hemato-Oncology and Oncology, University of Milan, Milan, Italy
| | - Lorenzo Spaggiari
- DIPO, Department of Hemato-Oncology and Oncology, University of Milan, Milan, Italy.,Division of Thoracic Surgery, European Institute of Oncology, Milan, Italy
| | - Pier Paolo Di Fiore
- Molecular Medicine Program, European Institute of Oncology, Milan, Italy.,DIPO, Department of Hemato-Oncology and Oncology, University of Milan, Milan, Italy.,IFOM, The FIRC Institute of Molecular Oncology, Milan, Italy
| | - Fabrizio Bianchi
- Molecular Medicine Program, European Institute of Oncology, Milan, Italy.,Present address: Institute for Stem-cell Biology, Regenerative Medicine and Innovative Therapies (ISBReMIT), IRCCS Casa Sollievo della Sofferenza, Foggia, Italy
| | - Massimo Barberis
- Department of Pathology, European Institute of Oncology, Milan, Italy
| | - Manuela Vecchi
- Molecular Medicine Program, European Institute of Oncology, Milan, Italy.,IFOM, The FIRC Institute of Molecular Oncology, Milan, Italy
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Cheng YC, Walsh K, Williams L, Wallace WA, Harrison DJ, Oniscu A. ALK immunohistochemistry is highly sensitive and specific for the detection of ALK translocated lung adenocarcinomas: lessons from an audit of lung cancer molecular testing. J R Coll Physicians Edinb 2018; 48:20-24. [DOI: 10.4997/jrcpe.2018.104] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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ALK fusion variants detection by targeted RNA-next generation sequencing and clinical responses to crizotinib in ALK-positive non-small cell lung cancer. Lung Cancer 2017; 116:15-24. [PMID: 29413046 DOI: 10.1016/j.lungcan.2017.12.004] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Revised: 12/05/2017] [Accepted: 12/06/2017] [Indexed: 11/22/2022]
Abstract
OBJECTIVES The aim of the present study was firstly to assess in a clinical setting the yields of an amplicon-based parallel RNA sequencing (RNA-seq) assay for ALK fusion transcript variants detection in comparison with immunohistochemistry (IHC) and fluorescent in-situ hybridization (FISH) in a selected population of ALK-positive and ALK-negative non-small cell lung cancer (NSCLC) cases, and secondly to evaluate the impact of the ALK variant on crizotinib efficacy. MATERIALS AND METHODS The cohort used for the assessment of the RNA-seq assay comprised 53 samples initially diagnosed as being ALK-positive based on the results obtained by IHC and/or FISH, and 23 ALK-negative samples. A distinction was made between 'truly' IHC/FISH positive or 'truly' IHC/FISH negative samples, and those for which the IHC and/or FISH were equivocal (IHC) or borderline-positive (FISH). RESULTS On the overall population, RNA-seq sensitivity (Se) and specificity (Spe) were of 80% and 100%, respectively when IHC and FISH were combined. For the 31 'truly positive' samples, Se and Spe of 100% were reached. An ALK status could be assigned by RNA-seq in 10/10 of the equivocal and/or borderline-positive IHC/FISH cases, 2/7 IHC/FISH discordant cases. When crizotinib efficacy was evaluated according to the type of ALK variant, better clinical outcomes were observed in crizotinib-treated patients with EML4-ALK v1/v2/others variants compared to v3a/b variants. CONCLUSION RNA-seq detects ALK rearrangements with a high sensitivity and specificity using only 10 ng of RNA. It appears to be a promising rescue technique for non-clear-cut IHC/FISH cases and also offers a unique opportunity to identify ALK fusion variants and evaluate their predictive value for ALK inhibitors efficacy.
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54
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Wagle PB, Jambhekar NA, Kumar R, Prabhash K, Pramesh CS, Desai SB, Noronha V, Karimundackal G, Shah A, Joshi A, Laskar SG, Jiwnani S, Pai T, Agarwal JP. A comparative analysis of immunohistochemistry and fluorescent in situ hybridization assay to detect anaplastic lymphoma kinase status in lung adenocarcinoma cases: A search for a testing algorithm. Indian J Cancer 2017; 54:148-154. [PMID: 29199679 DOI: 10.4103/ijc.ijc_202_17] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
INTRODUCTION Testing for echinoderm microtubule-associated protein-like 4 (EML4) anaplastic lymphoma kinase (ALK) translocation by fluorescence in situ hybridization (FISH) is well established whereas the Food and Drug Administration (FDA) ALK immunohistochemical (IHC) test is relatively new. AIMS AND OBJECTIVE The aim of this study is to compare FDA-approved ALK IHC test (D5F3 clone) with the standard ALK FISH test. MATERIALS AND METHODS A validation and a test arm with 100 and 200 cases of Formalin-Fixed, Paraffin-embedded blocks of lung adenocarcinoma, respectively, comprised the material. All cases had ALK IHC test on automated Ventana Benchmark XT IHC slide stainer using anti-ALK D5F3 rabbit monoclonal primary antibody; when positive tumor cells (any percentage) showed strong granular cytoplasmic staining. For the FISH test, Vysis ALK Dual Color Break Apart Rearrangement Probe (Abbott Molecular Inc.,) was used to detect ALK gene 2p23 rearrangements; when positive the red and green signals were split two signal diameter apart and/or isolated 3'red signal were detected in more than 15% tumor cells. The ALK FISH results were available in all 100 validation cases and 64-test arm cases which formed the basis of this analysis. RESULTS The ALK IHC test was positive in 16% cases; four discordant cases were ALK IHC positive but ALK FISH negative, but no case was ALK IHC negative and ALK FISH positive. There was 100% sensitivity, 90.5% specificity, and 93.75% accuracy. CONCLUSION A negative ALK IHC result obviates the need for a FISH test barring those with a strong clinical profile, and a positive ALK IHC result is sufficient basis for the initiation of treatment.
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Affiliation(s)
- P B Wagle
- Department of Pathology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - N A Jambhekar
- Department of Pathology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - R Kumar
- Department of Pathology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - K Prabhash
- Department of Medical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - C S Pramesh
- Department of Surgical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - S B Desai
- Department of Pathology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - V Noronha
- Department of Medical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - G Karimundackal
- Department of Surgical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - A Shah
- Department of Pathology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - A Joshi
- Department of Medical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - S G Laskar
- Department of Radiation Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - S Jiwnani
- Department of Surgical Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - T Pai
- Department of Pathology, Tata Memorial Hospital, Mumbai, Maharashtra, India
| | - J P Agarwal
- Department of Radiation Oncology, Tata Memorial Hospital, Mumbai, Maharashtra, India
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Qin A, Gadgeel S. The Current Landscape of Anaplastic Lymphoma Kinase (ALK) in Non-Small Cell Lung Cancer: Emerging Treatment Paradigms and Future Directions. Target Oncol 2017; 12:709-718. [PMID: 28856564 PMCID: PMC6000827 DOI: 10.1007/s11523-017-0526-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Tumorigenic rearrangements in anaplastic lymphoma kinase (ALK) account for 3-7% of all non-small cell lung cancers (NSCLC). Treatment with targeted tyrosine kinase inhibitors (TKIs) has shown impressive clinical responses. Crizotinib was the first agent approved for front-line therapy of ALK-rearranged NSCLC after it demonstrated superiority to chemotherapy in response rate, duration of response, and progression-free survival. However, eventually all patients progress on crizotinib therapy, with the central nervous system (CNS) being the most common site, which served as the impetus for the development of more potent next-generation ALK inhibitors. Currently, ceritinib, alectinib, and brigatinib are all approved for second-line therapy after progression on or intolerance to crizotinib. Investigations into whether the initiation of a second-generation ALK inhibitor as first-line therapy is the superior treatment paradigm has resulted in the approval of ceritinib as initial therapy. Alectinib has also shown impressive results as front-line therapy, as recently reported in two large randomized studies that compared it to crizotinib. There is a significant need to better understand the drivers of and mechanisms underlying resistance to ALK inhibitors. While specific mutations have been identified, there is currently only limited evidence that the identification of specific mutations should impact selection of the next ALK inhibitor. The best treatment option for patients who become TKI refractory is also unclear, though there is some evidence to suggests that these patients are not responsive to checkpoint inhibitors and may respond better to chemotherapy. Combination therapy with other classes of agents may help to overcome resistance mechanisms and should be investigated further.
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Affiliation(s)
- Angel Qin
- Department of Internal Medicine, Division of Hematology and Oncology, University of Michigan, 1500 E. Medical Center Drive, Ann Arbor, MI, 48109, USA.
| | - Shirish Gadgeel
- Department of Internal Medicine, Division of Hematology and Oncology, University of Michigan, 1500 E. Medical Center Drive, Ann Arbor, MI, 48109, USA
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56
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Niu X, Chuang JC, Berry GJ, Wakelee HA. Anaplastic Lymphoma Kinase Testing: IHC vs. FISH vs. NGS. Curr Treat Options Oncol 2017; 18:71. [PMID: 29143897 DOI: 10.1007/s11864-017-0513-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OPINION STATEMENT Personalized targeted therapy has emerged as a promising strategy in lung cancer treatment, with current attention focused on elucidation and detection of oncogenic drivers responsible for tumor initiation and maintenance and development of drug resistance. In lung cancer, several oncogenic drivers have been reported, triggering the application of tyrosine kinase inhibitors (TKIs) to target these dysfunctional genes. The anaplastic lymphoma kinase (ALK) rearrangement is responsible for about 4-7% of all non-small cell lung cancers (NSCLCs) and perhaps as high as a third in specific patient populations such as younger, male, non-smokers with advanced stage, epidermal growth factor receptor (EGFR) and Kirsten rat sarcoma viral oncogene (KRAS) wild type, and signet ring cell adenocarcinoma with abundant intracytoplasmic mucin. The selection of patients based on their ALK status is vital on account of the high response rates with the ALK-targeted agents in this subset of patients. Standardization and validation of ALK rearrangement detection methods is essential for accurate and reproducible results. There are currently three detection methods widely available in clinical practice, including fluorescent in situ hybridization (FISH), immunohistochemistry (IHC), and polymerase chain reaction (PCR)-based next generation sequencing (NGS) technology. However, the choice of diagnostic methodology for ALK rearrangement detection in clinical practice remains a matter of debate. With accumulating data enumerating the advantages and disadvantages of each of the three methods, combining more than one testing method for ALK fusion detection may be beneficial for patients. In this review, we will discuss the current methods used in ALK rearrangement detection with emphasis on their key advantages and disadvantages.
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Affiliation(s)
- Xiaomin Niu
- Department of Shanghai Lung Cancer Center, Shanghai Chest Hospital, Shanghai Jiao Tong University, 241 Huaihai West Road, Shanghai, 200030, People's Republic of China.,Department of Medicine, Division of Oncology, Stanford University School of Medicine, CC-2233, 875 Blake Wilbur Drive, Palo Alto, CA, 94305, USA
| | - Jody C Chuang
- Department of Medicine, Divisions of Hematology and Oncology, Stanford University School of Medicine, CC-2233, 875 Blake Wilbur Drive, Palo Alto, CA, 94305, USA
| | - Gerald J Berry
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA.,Laboratory of Surgical Pathology, Stanford University Medical Center, Room H2110, 300 Pasteur Dr, Stanford, CA, 94305, USA
| | - Heather A Wakelee
- Department of Medicine, Division of Oncology, Stanford University School of Medicine, CC-2233, 875 Blake Wilbur Drive, Palo Alto, CA, 94305, USA.
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Comment on: "Non-Small-Cell Lung Cancer (NSCLC) Harboring ALK Translocations: Clinical Characteristics and Management in a Real-Life Setting: a French Retrospective Analysis (GFPC 02-14 Study)". Target Oncol 2017; 12:839-840. [PMID: 29080944 DOI: 10.1007/s11523-017-0533-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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58
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Vendrell JA, Taviaux S, Béganton B, Godreuil S, Audran P, Grand D, Clermont E, Serre I, Szablewski V, Coopman P, Mazières J, Costes V, Pujol JL, Brousset P, Rouquette I, Solassol J. Detection of known and novel ALK fusion transcripts in lung cancer patients using next-generation sequencing approaches. Sci Rep 2017; 7:12510. [PMID: 28970558 PMCID: PMC5624911 DOI: 10.1038/s41598-017-12679-8] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Accepted: 09/04/2017] [Indexed: 12/25/2022] Open
Abstract
Rearrangements of the anaplastic lymphoma kinase (ALK) gene in non-small cell lung cancer (NSCLC) represent a novel molecular target in a small subset of tumors. Although ALK rearrangements are usually assessed by immunohistochemistry (IHC) and fluorescence in situ hybridization (FISH), molecular approaches have recently emerged as relevant alternatives in routine laboratories. Here, we evaluated the use of two different amplicon-based next-generation sequencing (NGS) methods (AmpliSeq and Archer®FusionPlex®) to detect ALK rearrangements, and compared these with IHC and FISH. A total of 1128 NSCLC specimens were screened using conventional analyses, and a subset of 37 (15 ALK-positive, and 22 ALK-negative) samples were selected for NGS assays. Although AmpliSeq correctly detected 25/37 (67.6%) samples, 1/37 (2.7%) and 11/37 (29.7%) specimens were discordant and uncertain, respectively, requiring further validation. In contrast, Archer®FusionPlex® accurately classified all samples and allowed the correct identification of one rare DCTN1-ALK fusion, one novel CLIP1-ALK fusion, and one novel GCC2-ALK transcript. Of particular interest, two out of three patients harboring these singular rearrangements were treated with and sensitive to crizotinib. These data show that Archer®FusionPlex® may provide an effective and accurate alternative to FISH testing for the detection of known and novel ALK rearrangements in clinical diagnostic settings.
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Affiliation(s)
- Julie A Vendrell
- CHU Montpellier, Arnaud de Villeneuve Hospital, Department of Pathology, Montpellier, Université de Montpellier, Montpellier, France
| | - Sylvie Taviaux
- CHU Montpellier, Arnaud de Villeneuve Hospital, Department of Pathology, Montpellier, Université de Montpellier, Montpellier, France
| | - Benoît Béganton
- Institut de Recherche en Cancérologie de Montpellier (IRCM), INSERM U1194, Université de Montpellier, Institut du Cancer de Montpellier (ICM), Montpellier, France
| | - Sylvain Godreuil
- CHU Montpellier, Arnaud de Villeneuve Hospital, Department of Bacteriology, Université de Montpellier, Montpellier, France
| | - Patricia Audran
- Institut du Cancer de Montpellier (ICM), Department of Biopathology, Montpellier, France
| | - David Grand
- Department of Pathology, Institut Universitaire du Cancer Toulouse Oncopole, CHU de Toulouse, Toulouse, France
| | - Estelle Clermont
- Department of Pathology, Institut Universitaire du Cancer Toulouse Oncopole, CHU de Toulouse, Toulouse, France
| | - Isabelle Serre
- CHU Montpellier, Arnaud de Villeneuve Hospital, Department of Pathology, Montpellier, Université de Montpellier, Montpellier, France
| | - Vanessa Szablewski
- CHU Montpellier, Arnaud de Villeneuve Hospital, Department of Pathology, Montpellier, Université de Montpellier, Montpellier, France
| | - Peter Coopman
- Institut de Recherche en Cancérologie de Montpellier (IRCM), INSERM U1194, Université de Montpellier, Institut du Cancer de Montpellier (ICM), Montpellier, France
| | - Julien Mazières
- Thoracic Oncology Department, Larrey Hospital, University Hospital of Toulouse, Toulouse, France
| | - Valérie Costes
- CHU Montpellier, Arnaud de Villeneuve Hospital, Department of Pathology, Montpellier, Université de Montpellier, Montpellier, France
| | - Jean-Louis Pujol
- CHU Montpellier, Arnaud de Villeneuve Hospital, Department of Thoracic Oncology, Université de Montpellier, Montpellier, France
| | - Pierre Brousset
- Department of Pathology, Institut Universitaire du Cancer Toulouse Oncopole, CHU de Toulouse, Toulouse, France.,Laboratoire d'excellence Labex TOUCAN, Toulouse, France
| | - Isabelle Rouquette
- Department of Pathology, Institut Universitaire du Cancer Toulouse Oncopole, CHU de Toulouse, Toulouse, France
| | - Jérôme Solassol
- CHU Montpellier, Arnaud de Villeneuve Hospital, Department of Pathology, Montpellier, Université de Montpellier, Montpellier, France. .,Institut de Recherche en Cancérologie de Montpellier (IRCM), INSERM U1194, Université de Montpellier, Institut du Cancer de Montpellier (ICM), Montpellier, France.
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Mino-Kenudson M. Immunohistochemistry for predictive biomarkers in non-small cell lung cancer. Transl Lung Cancer Res 2017; 6:570-587. [PMID: 29114473 PMCID: PMC5653529 DOI: 10.21037/tlcr.2017.07.06] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Accepted: 07/18/2017] [Indexed: 12/26/2022]
Abstract
In the era of targeted therapy, predictive biomarker testing has become increasingly important for non-small cell lung cancer. Of multiple predictive biomarker testing methods, immunohistochemistry (IHC) is widely available and technically less challenging, can provide clinically meaningful results with a rapid turn-around-time and is more cost efficient than molecular platforms. In fact, several IHC assays for predictive biomarkers have already been implemented in routine pathology practice. In this review, we will discuss: (I) the details of anaplastic lymphoma kinase (ALK) and proto-oncogene tyrosine-protein kinase ROS (ROS1) IHC assays including the performance of multiple antibody clones, pros and cons of IHC platforms and various scoring systems to design an optimal algorithm for predictive biomarker testing; (II) issues associated with programmed death-ligand 1 (PD-L1) IHC assays; (III) appropriate pre-analytical tissue handling and selection of optimal tissue samples for predictive biomarker IHC.
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Affiliation(s)
- Mari Mino-Kenudson
- Department of Pathology, Massachusetts General Hospital & Harvard Medical School, Boston, MA, USA
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Su D, Zhang D, Chen K, Lu J, Wu J, Cao X, Ying L, Jin Q, Ye Y, Xie Z, Xiong L, Mao W, Li F. High performance of targeted next generation sequencing on variance detection in clinical tumor specimens in comparison with current conventional methods. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2017; 36:121. [PMID: 28882180 PMCID: PMC5590190 DOI: 10.1186/s13046-017-0591-4] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 08/30/2017] [Indexed: 12/03/2022]
Abstract
Background Next generation sequencing (NGS) is being increasingly applied for assisting cancer molecular diagnosis. However, it is still needed to validate NGS accuracy on detection of DNA alternations based on a large number of clinical samples, especially for DNA rearrangements and copy number variations (CNVs). This study is to set up basic parameters of targeted NGS for clinical diagnosis and to understand advantage of targeted NGS in comparison with the conventional methods of molecular diagnosis. Methods Genomic DNA from 1000 Genomes Project and DNA from cancer cell lines have been used to establish the basic parameters for targeted NGS. The following confirmation was conducted by clinical samples. The multiple variants tested by amplification-refractory mutation system (ARMS), fluorescence in situ hybridization (FISH) and immunohistochemistry (IHC) were evaluated by targeted NGS to determine the sensitivity. Furthermore, the multiple variants detected by targeted NGS were confirmed by current conventional methods to elucidate the specificity. Results At sequencing depth of 500×, the maximal sensitivities on detecting single nucletic variances (SNVs) and small insertions/deletions (Indels) can reach 99% and 98.7% respectively, and in 20% of cancer cells, CNV detection can reach to the maximal level. The following confirmation of the sensitivity and specificity was conducted by a large cohort of clinical samples. For SNV and indel detection in clinical samples, targeted NGS can identify all hotspot mutations with 100% sensitivity and specificity. On ALK fusion detection, about 86% IHC-identified cases could be identified by targeted NGS and all ALK fusion detected by targeted NGS were confirmed by IHC. For HER2-amplification, 14 HER2-amplification cases identified by target NGS were all confirmed by FISH and about 93.3% of Her-2 IHC (3+) cases were identified by targeted NGS. Finally, the targeted NGS platform developed here has accurately detected EGFR hotspot mutations in 215 NSCLC patients. Conclusions DNA from cancer cell lines is better than standard DNA as a reference to establish basic parameters for targeted NGS. Comparison of the conventional methods using a large cohort of patient samples confirmed the high preformance of targeted NGS on detecting DNA alterations. Electronic supplementary material The online version of this article (10.1186/s13046-017-0591-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Dan Su
- Pathology Department, Zhejiang Cancer Hospital, Hangzhou, 310022, China. .,Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology of Zhejiang Province, Hangzhou, 310022, China.
| | - Dadong Zhang
- The Research and Development Center of Precision Medicine, 3D Medicine Inc., Shanghai, 201114, China.,Changhai Hospital, The Second Military Medical University, Shanghai, 200433, China
| | - Kaiyan Chen
- Pathology Department, Zhejiang Cancer Hospital, Hangzhou, 310022, China.,Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology of Zhejiang Province, Hangzhou, 310022, China
| | - Jing Lu
- The Research and Development Center of Precision Medicine, 3D Medicine Inc., Shanghai, 201114, China
| | - Junzhou Wu
- Pathology Department, Zhejiang Cancer Hospital, Hangzhou, 310022, China.,Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology of Zhejiang Province, Hangzhou, 310022, China
| | - Xinkai Cao
- The Research and Development Center of Precision Medicine, 3D Medicine Inc., Shanghai, 201114, China
| | - Lisha Ying
- Pathology Department, Zhejiang Cancer Hospital, Hangzhou, 310022, China.,Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology of Zhejiang Province, Hangzhou, 310022, China
| | - Qihuang Jin
- The Research and Development Center of Precision Medicine, 3D Medicine Inc., Shanghai, 201114, China.,Changhai Hospital, The Second Military Medical University, Shanghai, 200433, China
| | - Yizhou Ye
- The Research and Development Center of Precision Medicine, 3D Medicine Inc., Shanghai, 201114, China
| | - Zhenghua Xie
- The Research and Development Center of Precision Medicine, 3D Medicine Inc., Shanghai, 201114, China
| | - Lei Xiong
- The Research and Development Center of Precision Medicine, 3D Medicine Inc., Shanghai, 201114, China
| | - Weimin Mao
- Pathology Department, Zhejiang Cancer Hospital, Hangzhou, 310022, China. .,Key Laboratory of Diagnosis and Treatment Technology on Thoracic Oncology of Zhejiang Province, Hangzhou, 310022, China.
| | - Fugen Li
- The Research and Development Center of Precision Medicine, 3D Medicine Inc., Shanghai, 201114, China.
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ALK in Non-Small Cell Lung Cancer (NSCLC) Pathobiology, Epidemiology, Detection from Tumor Tissue and Algorithm Diagnosis in a Daily Practice. Cancers (Basel) 2017; 9:cancers9080107. [PMID: 28805682 PMCID: PMC5575610 DOI: 10.3390/cancers9080107] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 08/08/2017] [Accepted: 08/10/2017] [Indexed: 12/25/2022] Open
Abstract
Patients with advanced-stage non-small cell lung carcinoma (NSCLC) harboring an ALK rearrangement, detected from a tissue sample, can benefit from targeted ALK inhibitor treatment. Several increasingly effective ALK inhibitors are now available for treatment of patients. However, despite an initial favorable response to treatment, in most cases relapse or progression occurs due to resistance mechanisms mainly caused by mutations in the tyrosine kinase domain of ALK. The detection of an ALK rearrangement is pivotal and can be done using different methods, which have variable sensitivity and specificity depending, in particular, on the quality and quantity of the patient’s sample. This review will first highlight briefly some information regarding the pathobiology of an ALK rearrangement and the epidemiology of patients harboring this genomic alteration. The different methods used to detect an ALK rearrangement as well as their advantages and disadvantages will then be examined and algorithms proposed for detection in daily routine practice.
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Li Y, Su S, Cai G, Lin Q, Zhou Y, Ouyang J, Chen B, Ye J, Wu X, Chen C. Responses to crizotinib and chemotherapy in patients with lung adenocarcinoma harboring a concomitant EGFR mutation and ALK gene rearrangement: A case report and review of the literature. Mol Clin Oncol 2017; 7:173-182. [PMID: 28781781 PMCID: PMC5532680 DOI: 10.3892/mco.2017.1306] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 04/04/2017] [Indexed: 11/06/2022] Open
Abstract
Previous studies have indicated that, in lung cancers, the gene rearrangement of ALK is mutually exclusive with mutations in the epidermal growth factor receptor (EGFR) gene. However, the coexistence of EML4-ALK fusions and EGFR mutations (double positive) has been occasionally reported, with frequencies ranging from 0-8%. Currently, no consensus standard therapy exists for tumors with double positive mutations. In the present case report, the case is described of a 53-year-old woman with stage IV lung adenocarcinoma, harboring a concomitant EGFR mutation and ALK gene rearrangement, who was refractory to gefitinib administration but demonstrated a good response to crizotinib and pemetrexed chemotherapy. A review of the literature revealed a total of 65 cases, including our case, harboring double positive mutations, and of these cases, 39 (60.0%) patients had received an EGFR tyrosine kinase inhibitor (EHGR-TKI), and 15 (23%) patients had received crizotinib treatment, the majority of whom had crizotinib selected for them as a second-line or third-line therapy. The disease control rate (DCR) of EGFR-TKI was 72.2%, with the progression-free survival (PFS) being 11.9 months, whereas the DCR of crizotinib was 93.3%, with the PFS being 10 months.
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Affiliation(s)
- Yuping Li
- Department of Pulmonary Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325015, P.R. China
| | - Shanshan Su
- Department of Pulmonary Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325015, P.R. China
| | - Guoping Cai
- Department of Pathology, Yale University School of Medicine, New Haven, CT 06520, USA
| | - Quan Lin
- Department of Pulmonary Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325015, P.R. China
| | - Ying Zhou
- Department of Pulmonary Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325015, P.R. China
| | - Jinsheng Ouyang
- Department of Pulmonary Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325015, P.R. China
| | - Bicheng Chen
- Surgical Laboratory Center, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325015, P.R. China
| | - Junru Ye
- Department of Pulmonary Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325015, P.R. China
| | - Xiuling Wu
- Department of Pathology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325015, P.R. China
| | - Chengshui Chen
- Department of Pulmonary Medicine, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325015, P.R. China
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Abstract
PURPOSE OF REVIEW The concept of mutually exclusive oncogenic driver alterations has prevailed over the past decade, but recent reports have stressed the possible occurrence of dual-positive non-small-cell lung cancer (NSCLC) and even triple-positive disease for these oncogenes. This entity presents novel prognostic and therapeutic challenges. The present review highlights the available data in an effort to clarify the clinical and pathological significance of coexisting mutations as well as the subsequent therapeutic consequences. RECENT FINDINGS Patients with a known driver oncogene can be successfully treated with the appropriate tyrosine kinase inhibitor, which will provide them with significant responses and lesser toxicities compared with cytotoxic therapy. Unfortunately, most patients will eventually progress. Although some resistance mechanisms have been identified, others remain to be determined but the emergence of secondary oncogenes could be part of the answer. SUMMARY Approximately 20-25% of NSCLC harbor treatable driver mutations/rearrangements; epidermal growth factor receptor mutation, anaplastic lymphoma kinase and ROS-1 gene rearrangements are the main alterations for which a Food and Drug Administration-approved tyrosine kinase inhibitor can be used.Because of recent technological advances, high sensitivity assays with a broad range of genomic targets have become more easily accessible in clinical practice, which has led to an increased detection of coexisting driver alterations in patients with advanced NSCLC. The prognostic/predictive and therapeutic implications of this novel entity are still unsettled for the time being. Randomized trials specifically designed to address this subset of patients will soon be necessary to help determine the optimal therapeutic agent to administer.
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64
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Schallenberg S, Merkelbach-Bruse S, Buettner R. Lung cancer as a paradigm for precision oncology in solid tumours. Virchows Arch 2017; 471:221-233. [PMID: 28730537 DOI: 10.1007/s00428-017-2183-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2016] [Revised: 04/19/2017] [Accepted: 06/25/2017] [Indexed: 02/06/2023]
Abstract
Non-small cell lung cancer (NSCLC) is the leading cause of cancer-related death in the western world. However, the combination of molecular genotyping and subsequent systematic treatment of decoded target structures is a prime example of precision oncology in solid tumours. In this review, current targets of approved therapeutics and potential targets in clinical and preclinical trials are outlined. Furthermore, immune checkpoint inhibitors, as promising new therapeutic options, which have already been applied successfully in cases of lung cancer, are introduced. A major issue of targeted treatment of lung tumours is the persistent development of resistance. The underlying mechanisms and established and potentially applicable alternative therapeutic approaches are described. In this process of precision oncology, immunohistochemistry, fluorescence in situ hybridization, and parallel sequencing are crucial diagnostic tools.
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Affiliation(s)
- Simon Schallenberg
- Institute of Pathology, University Hospital and Center for Integrated Oncology Cologne, Kerpener Straße 62, 50937, Cologne, Germany
| | - Sabine Merkelbach-Bruse
- Institute of Pathology, University Hospital and Center for Integrated Oncology Cologne, Kerpener Straße 62, 50937, Cologne, Germany.
| | - Reinhard Buettner
- Institute of Pathology, University Hospital and Center for Integrated Oncology Cologne, Kerpener Straße 62, 50937, Cologne, Germany
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65
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Thunnissen E, Allen TC, Adam J, Aisner DL, Beasley MB, Borczuk AC, Cagle PT, Capelozzi VL, Cooper W, Hariri LP, Kern I, Lantuejoul S, Miller R, Mino-Kenudson M, Radonic T, Raparia K, Rekhtman N, Roy-Chowdhuri S, Russell P, Schneider F, Sholl LM, Tsao MS, Vivero M, Yatabe Y. Immunohistochemistry of Pulmonary Biomarkers: A Perspective From Members of the Pulmonary Pathology Society. Arch Pathol Lab Med 2017; 142:408-419. [PMID: 28686497 DOI: 10.5858/arpa.2017-0106-sa] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The use of immunohistochemistry for the determination of pulmonary carcinoma biomarkers is a well-established and powerful technique. Immunohistochemisty is readily available in pathology laboratories, is relatively easy to perform and assess, can provide clinically meaningful results very quickly, and is relatively inexpensive. Pulmonary predictive biomarkers provide results essential for timely and accurate therapeutic decision making; for patients with metastatic non-small cell lung cancer, predictive immunohistochemistry includes ALK and programmed death ligand-1 (PD-L1) (ROS1, EGFR in Europe) testing. Handling along proper methodologic lines is needed to ensure patients receive the most accurate and representative test outcomes.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Yasushi Yatabe
- From the Department of Pathology, VU University Medical Center, Amsterdam, the Netherlands (Drs Thunnissen and Radonic); the Department of Pathology, The University of Texas Medical Branch, Galveston (Dr Allen); the Department of Pathology, Gustave Roussy, Villejuif, France (Dr Adam); the Department of Pathology, University of Colorado, Aurora (Dr Aisner); the Department of Pathology, Mount Sinai Medical Center, New York, New York (Dr Beasley); the Department of Pathology, Weill Cornell University Medical Center, New York, New York (Dr Borczuk); the Department of Pathology & Genomic Medicine, Houston Methodist Hospital, Houston, Texas (Drs Cagle and Miller); the Department of Pathology, University of São Paulo, São Paulo, Brazil (Dr Capelozzi); the Department of Pathology, Royal Prince Alfred Hospital, Sydney, Australia (Dr Cooper); the Department of Pathology, Massachusetts General Hospital, Boston (Drs Hariri and Mino-Kenudson); the Department of Pathology, University Clinic Golnik, Golnik, Slovenia (Dr Kern); the Department of Pathology, INSERM U578, CHU A Michallon, Centre Léon Bérard, Lyon, Université Joseph Fourier INSERM U 823, Institut A. Bonniot, Grenoble, France (Dr Lantuejoul); the Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois (Dr Raparia); the Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York (Dr Rekhtman); the Department of Pathology, The University Of Texas MD Anderson Cancer Center, Houston (Dr Roy-Chowdhuri); the Department of Pathology, St. Vincent's Pathology, Fitzroy, Australia (Ms Russell); the Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania (Dr Schneider); the Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts (Drs Sholl and Vivero); the Department of Pathology, University of Toronto, University Health Network, Toronto, Ontario, Canada (Dr Tsao); and the Department of Pathology and Molecular Diagnostics, Aichi Cancer Center, Nagoya, Japan (Dr Yatabe)
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Bubendorf L, Lantuejoul S, de Langen AJ, Thunnissen E. Nonsmall cell lung carcinoma: diagnostic difficulties in small biopsies and cytological specimens. Eur Respir Rev 2017; 26:26/144/170007. [DOI: 10.1183/16000617.0007-2017] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 03/15/2017] [Indexed: 12/31/2022] Open
Abstract
The pathological and molecular classification of lung cancer has become substantially more complex over the past decade. For diagnostic purposes on small samples, additional stains are frequently required to distinguish between squamous cell carcinoma and adenocarcinoma. Subsequently, for advanced nonsquamous cell nonsmall cell lung carcinoma (NSCLC) patients, predictive analyses on epidermal growth factor receptor, anaplastic lymphoma kinase and ROS1 are required. In NSCLCs negative for these biomarkers, programmed death ligand-1 immunohistochemistry is performed. Small samples (biopsy and cytology) require “tissue” management, which is best achieved by the interaction of all physicians involved.
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67
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Coexistence of EGFR, KRAS, BRAF, and PIK3CA Mutations and ALK Rearrangement in a Comprehensive Cohort of 326 Consecutive Spanish Nonsquamous NSCLC Patients. Clin Lung Cancer 2017; 18:e395-e402. [PMID: 28550959 DOI: 10.1016/j.cllc.2017.04.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 04/03/2017] [Accepted: 04/18/2017] [Indexed: 12/20/2022]
Abstract
INTRODUCTION Molecular screening is crucial for the care of nonsquamous non-small-cell lung cancer (NSCLC) patients. The coexistence of mutations could have important consequences regarding treatment. We described the mutational patterns and coexistence among patients and their outcomes after targeted treatment. MATERIALS AND METHODS Data from consecutive patients with newly diagnosed nonsquamous NSCLC were prospectively collected. Next-generation sequencing analysis of mutational hotspots in the EGFR, KRAS, PIK3CA, and BRAF genes and analysis of anaplastic lymphoma kinase (ALK) rearrangement were performed. RESULTS A total of 326 patients with nonsquamous NSCLC were identified. Of the 326 patients, 240 (73.6%) had EGFR, 141 (43.3%) KRAS, 137 (42.0%) BRAF, 130 (39.9%) PIK3CA mutation and 148 (45.4%) ALK rearrangement determined. Of the 240 with EGFR determination, 24.1% harbored EGFR mutations. Of these, 16.3% were activating mutations (43.6%, exon 19 deletion; 46.1%, exon 21; and 10.3%, exon 18) and 7.9% were nonsensitizing EGFR mutations. Furthermore, 39.0% had KRAS mutations, 2.9% BRAF mutations, 10.0% PIK3CA mutations, and 8.8% ALK rearrangements. Of the 154 stage IV patients with ≥ 1 mutations, analysis showed 19 coexisting cases (12.3%). Of 8 patients receiving targeted treatment, 6 had no response. Both responders to targeted treatment had coexistent PIK3CA mutations. CONCLUSION Driver mutations can coexist in nonsquamous NSCLC. In our cohort, 12.3% of cases with stage IV disease had multiple mutations. Targeted treatment might not be as effective in patients with coexisting mutations; however, coexistence with PIK3CA might not preclude a response.
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68
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Lo Russo G, Imbimbo M, Corrao G, Proto C, Signorelli D, Vitali M, Ganzinelli M, Botta L, Zilembo N, de Braud F, Garassino MC. Concomitant EML4-ALK rearrangement and EGFR mutation in non-small cell lung cancer patients: a literature review of 100 cases. Oncotarget 2017; 8:59889-59900. [PMID: 28938691 PMCID: PMC5601787 DOI: 10.18632/oncotarget.17431] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 03/23/2017] [Indexed: 01/27/2023] Open
Abstract
The discovery of EGFR mutations and EML4-ALK gene rearrangements has radically changed the therapeutic scenario for patients with advanced non-small cell lung cancer. ALK and EGFR tyrosine-kinase inhibitors showed better activity and efficacy than standard chemotherapy in the first and second line treatment settings, leading to a clear advantage in overall survival of advanced non-small cell lung cancer patients harboring these genetic alterations. Historically the coexistence of EGFR mutations and EML4-ALK rearrangements in the same tumor has been described as virtually impossible. Nevertheless many recent observations seem to show that it is not true in all cases. In this review we will discuss the available literature data regarding this rare group of patients in order to give some suggestions useful for their clinical management. Furthermore we report here two cases of concomitant presence of both alterations that will help us in the development of discussion.
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Affiliation(s)
- Giuseppe Lo Russo
- Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
| | - Martina Imbimbo
- Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
| | - Giulia Corrao
- Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
| | - Claudia Proto
- Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
| | - Diego Signorelli
- Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
| | - Milena Vitali
- Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
| | - Monica Ganzinelli
- Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
| | - Laura Botta
- Department of Preventive and Predictive Medicine, Evaluative Epidemiology Unit, Fondazione IRCCS Istituto Nazionale Tumori, Milano, Italy
| | - Nicoletta Zilembo
- Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
| | - Filippo de Braud
- Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
| | - Marina Chiara Garassino
- Department of Medical Oncology, Fondazione IRCCS Istituto Nazionale dei Tumori, Milano, Italy
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69
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Arfaoui AT, Blel A, Aloui R, Fatnassi G, Ammar JB, Znaidi N, Zidi Y, Boudaya MS, Aouina H, Rammeh Rommani S. ALK protein expression in pulmonary adenocarcinoma of Tunisian patients. J Immunoassay Immunochem 2017; 38:411-419. [PMID: 28421869 DOI: 10.1080/15321819.2017.1319860] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
BACKGROUND It is now necessary to determine ALK status in order to use targeted therapy. AIM herein, we assess immunohistochemical profile of ALK protein in a series of Tunisian patients with pulmonary adenocarcinoma. MATERIALS AND METHODS ALK protein expression was studied applying the D5F3 antibody with a fully automated Ventana CDx technique on a series of 19 patients. RESULTS Positive ALK expression was found in one case (5.2%) corresponding to a papillary adenocarcinoma which showed a strong granular and homogenous cytoplasmic staining. The patient was a 30-years-old woman. CONCLUSION The frequency of positive ALK expression based on immunohistochemistry in our series was similar to that reported in the world literature.
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Affiliation(s)
- Amira Toumi Arfaoui
- a Department of Pathology, Charles Nicolle Hospital , University of Tunis El Manar , Tunis , Tunisia
| | - Ahlem Blel
- a Department of Pathology, Charles Nicolle Hospital , University of Tunis El Manar , Tunis , Tunisia
| | - Raoudha Aloui
- a Department of Pathology, Charles Nicolle Hospital , University of Tunis El Manar , Tunis , Tunisia
| | - Ghaya Fatnassi
- a Department of Pathology, Charles Nicolle Hospital , University of Tunis El Manar , Tunis , Tunisia
| | - Jihane Ben Ammar
- b Department of Pneumology, Charles Nicolle Hospital , University of Tunis El Manar , Tunis , Tunisia
| | - Nadia Znaidi
- a Department of Pathology, Charles Nicolle Hospital , University of Tunis El Manar , Tunis , Tunisia
| | - Yosra Zidi
- a Department of Pathology, Charles Nicolle Hospital , University of Tunis El Manar , Tunis , Tunisia
| | - Mohammed Sadok Boudaya
- c Department of Surgery, Charles Nicolle Hospital , University of Tunis El Manar , Tunis , Tunisia
| | - Hichem Aouina
- b Department of Pneumology, Charles Nicolle Hospital , University of Tunis El Manar , Tunis , Tunisia
| | - Soumaya Rammeh Rommani
- a Department of Pathology, Charles Nicolle Hospital , University of Tunis El Manar , Tunis , Tunisia
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70
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Clinical Outcome of ALK -Positive Non–Small Cell Lung Cancer (NSCLC) Patients with De Novo EGFR or KRAS Co-Mutations Receiving Tyrosine Kinase Inhibitors (TKIs). J Thorac Oncol 2017; 12:681-688. [DOI: 10.1016/j.jtho.2016.12.003] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Revised: 12/01/2016] [Accepted: 12/07/2016] [Indexed: 11/21/2022]
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71
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Huang JL, Zeng J, Wang F, Huang QT, Lu JB, Li XM, Chen WQ, Zhu CM, Jin JT, Lin SX. Responses to Crizotinib therapy in five patients with non-small-cell lung cancer who tested FISH negative and Ventana immunohistochemistry positive for ALK fusions. Per Med 2017; 14:99-107. [PMID: 29754556 DOI: 10.2217/pme-2016-0080] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
AIM Although immunohistochemistry (IHC) and reverse transcription-PCR can detect ALK rearrangements, the ALK break-apart FISH assay is currently considered the standard method. MATERIALS & METHODS Five patients with advanced non-small-cell lung cancer, who had an ALK-negative FISH result that was later confirmed as positive by the Ventana IHC assay, were studied. Four had previously received chemotherapy or radiotherapy. All five were subsequently treated with Crizoitinib 250 mg twice daily. RESULTS & CONCLUSION Four patients had a partial response to Crizotinib and one had stable disease. IHC is an efficient technique for diagnosing ALK rearrangements in patients with non-small-cell lung cancer, and may serve as an alternative to FISH in clinical practice.
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Affiliation(s)
- Jin-Lin Huang
- Department of Pathology, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Jing Zeng
- Department of Pathology, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Fang Wang
- Department of Molecular Diagnostics, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Qi-Tao Huang
- Department of Pathology, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Jia-Bin Lu
- Department of Pathology, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Xiao-Mei Li
- Department of Pathology, Shenzhen Baoan Maternal & Child Health Hospital, Shenzhen, China
| | - Wei-Qiang Chen
- Department of Imaging, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Chong-Mei Zhu
- Department of Pathology, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Jie-Tian Jin
- Department of Pathology, Sun Yat-Sen University Cancer Center, Guangzhou, China
| | - Su-Xia Lin
- Department of Pathology, Sun Yat-Sen University Cancer Center, Guangzhou, China
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72
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van der Wekken A, Pelgrim R, 't Hart N, Werner N, Mastik M, Hendriks L, van der Heijden E, Looijen-Salamon M, de Langen A, Staal-van den Brekel J, Riemersma S, van den Borne B, Speel E, Dingemans AM, Hiltermann T, van den Berg A, Timens W, Schuuring E, Groen H. Dichotomous ALK-IHC Is a Better Predictor for ALK Inhibition Outcome than Traditional ALK-FISH in Advanced Non–Small Cell Lung Cancer. Clin Cancer Res 2017; 23:4251-4258. [DOI: 10.1158/1078-0432.ccr-16-1631] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 09/05/2016] [Accepted: 02/01/2017] [Indexed: 11/16/2022]
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Skov BG, Clementsen P, Larsen KR, Sørensen JB, Mellemgaard A. The prevalence of ALK rearrangement in pulmonary adenocarcinomas in an unselected Caucasian population from a defined catchment area: impact of smoking. Histopathology 2017; 70:889-895. [DOI: 10.1111/his.13148] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 12/01/2016] [Accepted: 12/06/2016] [Indexed: 11/27/2022]
Affiliation(s)
- Birgit G Skov
- Department of Pathology; Copenhagen University Hospital; Rigshospitalet; Copenhagen Denmark
| | - Paul Clementsen
- Copenhagen Academy for Medical Education and Simulation (CAMES); Rigshospitalet and the Capital Region of Denmark; Copenhagen Denmark
| | - Klaus R Larsen
- Department of Respiratory Medicine; Bispebjerg University Hospital; Copenhagen Denmark
| | - Jens B Sørensen
- Department of Oncology; Copenhagen University Hospital; Rigshospitalet; Copenhagen Denmark
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Abstract
The molecular characterization of lung cancer has changed the classification and treatment of these tumors, becoming an essential component of pathologic diagnosis and oncologic therapy decisions. Through the recognition of novel biomarkers, such as epidermal growth factor receptor mutations and anaplastic lymphoma kinase translocations, it is possible to identify subsets of patients who benefit from targeted molecular therapies. The success of targeted anticancer therapies and new immunotherapy approaches has created a new paradigm of personalized therapy and has led to accelerated development of new drugs for lung cancer treatment. This article focuses on clinically relevant cancer biomarkers as targets for therapy and potential new targets for drug development.
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Affiliation(s)
- Pamela Villalobos
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, 2130 Holcombe Boulevard, Unit 2951, Houston, TX 77030, USA
| | - Ignacio I Wistuba
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, 2130 Holcombe Boulevard, Unit 2951, Houston, TX 77030, USA.
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75
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von Laffert M, Schirmacher P, Warth A, Weichert W, Büttner R, Huber RM, Wolf J, Griesinger F, Dietel M, Grohé C. [Statement of the German Society for Pathology and the working group thoracic oncology of the working group oncology/German Cancer Society on ALK testing in NSCLC: Immunohistochemistry and/or FISH?]. DER PATHOLOGE 2017; 37:187-91. [PMID: 26984297 DOI: 10.1007/s00292-016-0152-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Affiliation(s)
- M von Laffert
- Institut für Pathologie, Charité Universitätsmedizin, Campus Mitte, Charitéplatz 1, 10117, Berlin, Deutschland
| | - P Schirmacher
- Institut für Pathologie, Universitätsklinikum Heidelberg, Heidelberg, Deutschland
| | - A Warth
- Institut für Pathologie, Universitätsklinikum Heidelberg, Heidelberg, Deutschland
| | - W Weichert
- Institut für Allgemeine Pathologie und Pathologische Anatomie, Technische Universität München, München, Deutschland
| | - R Büttner
- Institut für Pathologie, Uniklinik Köln, Köln, Deutschland
| | - R M Huber
- Sektion Pneumologie Innenstadt und Thorakale Onkologie, Klinikum der Universität München und Lungentumorzentrum München, München, Deutschland
| | - J Wolf
- Klinik I für Innere Medizin, Uniklinik Köln, Köln, Deutschland
| | - F Griesinger
- Klinik für Hämatologie und Onkologie, Universitätsklinik Innere Medizin-Onkologie, Pius-Hospital Oldenburg, Oldenburg, Deutschland
| | - M Dietel
- Institut für Pathologie, Charité Universitätsmedizin, Campus Mitte, Charitéplatz 1, 10117, Berlin, Deutschland.
| | - C Grohé
- Klinik für Pneumologie, Evangelische Lungenklinik Berlin, Berlin, Deutschland
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76
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von Laffert M, Schirmacher P, Warth A, Weichert W, Büttner R, Huber R, Wolf J, Griesinger F, Dietel M, Grohé C. ALK-Testing in non-small cell lung cancer (NSCLC): Immunohistochemistry (IHC) and/or fluorescence in-situ Hybridisation (FISH)? Lung Cancer 2017; 103:1-5. [DOI: 10.1016/j.lungcan.2016.11.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 11/10/2016] [Indexed: 10/20/2022]
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77
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Kammerer-Jacquet SF, Thierry S, Cabillic F, Lannes M, Burtin F, Henno S, Dugay F, Bouzillé G, Rioux-Leclercq N, Belaud-Rotureau MA, Stock N. Differential diagnosis of atypical lipomatous tumor/well-differentiated liposarcoma and dedifferentiated liposarcoma: utility of p16 in combination with MDM2 and CDK4 immunohistochemistry. Hum Pathol 2017; 59:34-40. [DOI: 10.1016/j.humpath.2016.08.009] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2016] [Revised: 08/03/2016] [Accepted: 08/17/2016] [Indexed: 01/01/2023]
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78
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Prabhash K, Zanwar S, Noronha V, Joshi A, Patil V, Kaushal R, Chougule A, Janu A, Mahajan A, Kapoor A. Efficacy of crizotinib in ALK mutant non-small cell lung cancers that are positive by IHC but negative by FISH compared to FISH positive cases. Indian J Cancer 2017; 54:678-680. [PMID: 30082557 DOI: 10.4103/ijc.ijc_532_16] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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ALK Immunohistochemistry for ALK Gene Rearrangement Screening in Non-Small Cell Lung Cancer: A Systematic Review and Meta-Analysis. Int J Biol Markers 2016; 31:e413-e421. [DOI: 10.5301/jbm.5000218] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/27/2016] [Indexed: 11/20/2022]
Abstract
Introduction The aim of this study was to investigate the diagnostic accuracy of anaplastic lymphoma kinase (ALK) immunohistochemistry (IHC) for ALK gene rearrangement in non-small cell lung cancer (NSCLC) through systematic review, meta-analysis and diagnostic test accuracy review. Methods The current study included 11,806 NSCLC cases in 42 eligible studies. We performed concordance analyses between ALK IHC and fluorescence in situ hybridization (FISH). The diagnostic accuracy of ALK IHC was analyzed based on ALK IHC criteria and antibodies. Results The overall ALK IHC results were positive in 13.2%. The overall concordance rate between ALK IHC and FISH was 0.950 (95% confidence interval [CI], 0.927-0.966). In the ALK IHC-positive and negative groups, the concordance rates were 0.805 (95% CI 0.733-0.861) and 0.985 (95% CI 0.978-0.990), respectively. The ALK FISH-positive rates were 0.009 (95% CI 0.004-0.023), 0.378 (95% CI 0.217-0.572), 0.628 (95% CI 0.420-0.796) and 0.900 (95% CI 0.840-0.939) in the ALK IHC 0, 1+, 2+ and 3+ groups, respectively. In diagnostic test accuracy review for ALK IHC, the pooled sensitivity and specificity were 0.92 (95% CI 0.89-0.94) and 0.91 (95% CI 0.90-0.91), respectively. The diagnostic odds ratio and the area under the curve on the summary receiver operating characteristic curve were 266.56 (95% CI 110.83-641.14) and 0.983, respectively. Conclusions Our results suggested that ALK IHC equivocal (score 1+ and 2+) cases should not be considered as IHC-negative in screening for ALK gene rearrangement. Additional detailed criteria for ALK IHC equivocal cases are necessary to determine how to best apply this approach in daily practice.
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Isla D, Majem M, Viñolas N, Artal A, Blasco A, Felip E, Garrido P, Remón J, Baquedano M, Borrás JM, Die Trill M, García-Campelo R, Juan O, León C, Lianes P, López-Ríos F, Molins L, Planchuelo MÁ, Cobo M, Paz-Ares L, Trigo JM, de Castro J. A consensus statement on the gender perspective in lung cancer. Clin Transl Oncol 2016; 19:527-535. [PMID: 27885542 DOI: 10.1007/s12094-016-1578-x] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 11/12/2016] [Indexed: 10/20/2022]
Abstract
Lung cancer is the most common cancer globally and has the highest mortality. Although this disease is not associated with a particular gender, its incidence is rising among women, who are diagnosed at an increasingly younger age compared with men. One of the main reasons for this rise is women taking up smoking. However, many non-smoking women also develop this disease. Other risk factors implicated in the differential development of lung cancer in women are genetic predisposition, tumour histology and molecular profile. Proportionally more women than men with lung cancer have a mutation in the EGFR gene. This consensus statement reviews the available evidence about the epidemiological, biological, diagnostic, therapeutic, social and psychological aspects of lung cancer in women.
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Affiliation(s)
- D Isla
- Medical Oncology Department, Lozano Blesa Clinical University Hospital, Avda. San Juan Bosco 15, 50009, Zaragoza, Spain.
| | - M Majem
- Medical Oncology Department, Sant Pau University Hospital, Barcelona, Spain
| | - N Viñolas
- Medical Oncology Department, Clinic Hospital, Barcelona, Spain
| | - A Artal
- Medical Oncology Department, Miguel Servet University Hospital, Zaragoza, Spain
| | - A Blasco
- Medical Oncology Department, Valencia General University Hospital, Valencia, Spain
| | - E Felip
- Medical Oncology Department, Vall d'Hebron University Hospital, Barcelona, Spain
| | - P Garrido
- Medical Oncology Department, Ramón y Cajal University Hospital, Madrid, Spain
| | - J Remón
- Medical Oncology Department, Mataró University Hospital, Mataró, Barcelona, Spain
| | - M Baquedano
- Medical Oncology Department, Lozano Blesa Clinical University Hospital, Avda. San Juan Bosco 15, 50009, Zaragoza, Spain
| | - J M Borrás
- Scientific Coordinator of Cancer Strategy of the Spanish National Health System, University of Barcelona, Barcelona, Spain
| | - M Die Trill
- Atrium, Psyco-Oncology and Clinical Psychology, Madrid, Spain
| | - R García-Campelo
- Medical Oncology Department, A Coruña University Hospital, A Coruña, Spain
| | - O Juan
- Medical Oncology Department, La Fé University Hospital, Valencia, Spain
| | - C León
- Psyco-Oncology Unit, Terrassa Hospital and Parc Taulí University Hospital, Sabadell, Spain
| | - P Lianes
- Medical Oncology Department, Mataró University Hospital, Mataró, Barcelona, Spain
| | - F López-Ríos
- Targeted Therapies Laboratory, Department of Pathology, HM Sanchinarro University Hospital, Madrid, Spain
| | - L Molins
- Thoracic Surgery Department, Clinic Hospital, Barcelona, Spain
| | - M Á Planchuelo
- Humanization of Healthcare Department, Consejería de Sanidad, Madrid, Spain
| | - M Cobo
- Medical Oncology Department, Virgen de la Victoria University Hospital, Málaga, Spain
| | - L Paz-Ares
- Medical Oncology Department, 12 de Octubre University Hospital, Madrid, Spain
| | - J M Trigo
- Medical Oncology Department, Virgen de la Victoria University Hospital, Málaga, Spain
| | - J de Castro
- Medical Oncology Department, La Paz University Hospital, Madrid, Spain
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Volckmar AL, Endris V, Bozorgmehr F, Lier C, Porcel C, Kirchner M, Leichsenring J, Penzel R, Thomas M, Schirmacher P, Warth A, Stenzinger A. Next-generation sequencing facilitates detection of the classic E13-A20 EML4-ALK fusion in an ALK-FISH/IHC inconclusive biopsy of a stage IV lung cancer patient: a case report. Diagn Pathol 2016; 11:133. [PMID: 27863497 PMCID: PMC5116222 DOI: 10.1186/s13000-016-0581-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 11/08/2016] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Inhibition of the oncogenic fusion-gene EML4-ALK is a current first-line approach for patients with stage IV non-small cell lung cancer. While FISH was established as the gold standard for identifying these patients, there is accumulating evidence that other methods of detection, i.e., immunohistochemistry and next-generation sequencing (NGS), exist that may be equally successful. However, the concordance of these methods is under investigation. CASE PRESENTATION Adding to the current literature, we here report a 56 year old female never-smoker with stage IV lung adenocarcinoma whose biopsy was IHC and FISH inconclusive but positive in NGS. Retroactive profiling of the resection specimen corroborated fusion reads obtained by NGS, FISH-positivity and showed weak ALK-positivity by IHC. Consequently, we diagnosed the case as ALK-positive rendering the patient eligible to crizotinib treatment. CONCLUSIONS With IHC on biopsy material only, this case would have been overlooked withholding effective therapy.
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Affiliation(s)
- Anna-Lena Volckmar
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120 Heidelberg, Germany
| | - Volker Endris
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120 Heidelberg, Germany
| | - Farastuk Bozorgmehr
- Thoracic Oncology, Thoraxklinik, University of Heidelberg, and Translational Lung Research Center Heidelberg, 69120 Heidelberg, Germany
- German Center for Lung Research (DZL), Heidelberg, Germany
| | - Clemens Lier
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120 Heidelberg, Germany
| | - Carlota Porcel
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120 Heidelberg, Germany
| | - Martina Kirchner
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120 Heidelberg, Germany
| | - Jonas Leichsenring
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120 Heidelberg, Germany
| | - Roland Penzel
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120 Heidelberg, Germany
| | - Michael Thomas
- Thoracic Oncology, Thoraxklinik, University of Heidelberg, and Translational Lung Research Center Heidelberg, 69120 Heidelberg, Germany
- German Center for Lung Research (DZL), Heidelberg, Germany
| | - Peter Schirmacher
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120 Heidelberg, Germany
- German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Arne Warth
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120 Heidelberg, Germany
- Thoracic Oncology, Thoraxklinik, University of Heidelberg, and Translational Lung Research Center Heidelberg, 69120 Heidelberg, Germany
| | - Albrecht Stenzinger
- Institute of Pathology, University Hospital Heidelberg, Im Neuenheimer Feld 224, 69120 Heidelberg, Germany
- German Cancer Consortium (DKTK), Heidelberg, Germany
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Demidova I, Grinevich V, Avdalian A, Imyanitov E, Gikalo M, Savelov N, Novikova I, Samuilenkova O, Tiurin V, Ulianova E, Tsimafeyeu I, Tjulandin S. Detection of ALK rearrangements in 4002 Russian patients: The utility of different diagnostic approaches. Lung Cancer 2016; 103:17-23. [PMID: 28024691 DOI: 10.1016/j.lungcan.2016.11.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Revised: 09/28/2016] [Accepted: 11/02/2016] [Indexed: 10/20/2022]
Abstract
BACKGROUND Clinical guidelines highly recommended the detection of potentially targetable genetic aberrations such as anaplastic lymphoma kinase (ALK) rearrangements in patients with non-small cell lung cancer (NSCLC). Few methods, such as the ALK break apart FISH assay and IHC for ALK protein, are approved for routine diagnostics. However, some challenges exist in selecting the most reliable, robust and cost-effective algorithm, especially for large-scale screening of NSCLC patients. MATERIALS AND METHODS A total of 4002 FFPE samples from Russian patients with NSCLC were tested for ALK rearrangement using two algorithms: FISH testing only (2334 samples) and IHC screening supported by FISH in positive or equivocal cases (1546 samples). Cross validation of the methods was performed blindly in 122 specimens. All discrepant IHC/FISH cases were examined for unbalanced 5'/3'-end ALK expression and variant-specific RT PCR. RESULTS The sensitivity and specificity of IHC compared to FISH was 100% and 99%, respectively, therefore initial IHC screening was strongly supported. The prevalence of ALK rearrangements was estimated to be 7.8% and 6.6% for the FISH and IHC/FISH groups, respectively, with significant correlations for female gender, non-smoking status and age below 60. The use of FISH after IHC screening revealed 10 additional positive cases among equivocal samples (13.4%). Seven IHC/FISH cases (0.5% of the total group) characterized as discordant were reevaluated, and four were reclassified as truly discrepant. The PCR-based investigation revealed chimeric transcripts in IHC-/FISH+ and IHC+/FISH borderline samples, while no transcript was found in two IHC+/FISH- cases. CONCLUSION These results reveal the utility of the two-step testing algorithm for the evaluation of potentially complicated cases with preanalytic defects, providing additional information for IHC equivocal cases without a significant increase in cost. The evaluation of discrepant cases appears to be necessary to better understand ALK biology and should be included in the routine testing algorithm.
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Affiliation(s)
- Irina Demidova
- Moscow Oncology Hospital 62, Istra PIC, 27, 143423 Moscow, Russian Federation; Department of Molecular Biology, Moscow Oncology Hospital 62, Istra PIC, 27, 143423, Moscow, Russian Federation.
| | - Viacheslav Grinevich
- Moscow Oncology Hospital 62, Istra PIC, 27, 143423 Moscow, Russian Federation; Department of Pathology, Moscow Oncology Hospital 62, Istra PIC, 27, 143423, Moscow, Russian Federation
| | - Ashot Avdalian
- Altai Regional Oncology Hospital, Nikitin st., 77, 656056, Barnaul, Russian Federation
| | - Evgeny Imyanitov
- N.N. Petrov Research Institute of Oncology, 68 Leningradskaya Street, Pesochny, 197758, St Petersburg, Russian Federation
| | - Marina Gikalo
- Moscow Oncology Hospital 62, Istra PIC, 27, 143423 Moscow, Russian Federation
| | - Nikita Savelov
- Moscow Oncology Hospital 62, Istra PIC, 27, 143423 Moscow, Russian Federation
| | - Inna Novikova
- Rostov Research Oncology Institute, 14th Line St., 344037, Rostov on Don, Russian Federation
| | - Olga Samuilenkova
- Altai Regional Oncology Hospital, Nikitin st., 77, 656056, Barnaul, Russian Federation
| | - Vladislav Tiurin
- N.N. Petrov Research Institute of Oncology, 68 Leningradskaya Street, Pesochny, 197758, St Petersburg, Russian Federation
| | - Elena Ulianova
- Rostov Research Oncology Institute, 14th Line St., 344037, Rostov on Don, Russian Federation
| | - Ilya Tsimafeyeu
- N.N. Blokhin Russian Cancer Research Center, Kashirskoye Shosse 24, 115478 Moscow, Russian Federation
| | - Sergey Tjulandin
- N.N. Blokhin Russian Cancer Research Center, Kashirskoye Shosse 24, 115478 Moscow, Russian Federation
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Caccese M, Ferrara R, Pilotto S, Carbognin L, Grizzi G, Caliò A, Brunelli M, Cuppone F, Petraglia S, Scarpa A, Tortora G, Bria E. Current and developing therapies for the treatment of non-small cell lung cancer with ALK abnormalities: update and perspectives for clinical practice. Expert Opin Pharmacother 2016; 17:2253-2266. [DOI: 10.1080/14656566.2016.1242578] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
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Abstract
The advent of precision medicine in non-small cell lung cancer has remarkably altered the direction of research and improved clinical outcomes. The identification of molecular subsets with differential response to targeted therapies began with the identification of epidermal growth factor receptor mutated tumors in subsets of non-small cell lung cancer (NSCLC). Emboldened by unprecedented response rates to kinase inhibitors seen in that subset, the oncologic community searched for other molecular subsets featuring oncogene addiction. An early result of this search was the discovery of NSCLC driven by activating rearrangements of the anaplastic lymphoma kinase (ALK) gene. In an astoundingly brief period following the recognition of ALK-positive NSCLC, details of the biology, clinicopathologic features, development of targeted inhibitors, mechanisms of therapeutic resistance, and new generations of treatment were elucidated. This review summarizes the current understanding of the pathologic features, diagnostic approach, treatment options, resistance mechanisms, and future research areas for ALK-positive NSCLC.
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85
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Kao HL, Yeh YC, Lin CH, Hsu WF, Hsieh WY, Ho HL, Chou TY. Diagnostic algorithm for detection of targetable driver mutations in lung adenocarcinomas: Comprehensive analyses of 205 cases with immunohistochemistry, real-time PCR and fluorescence in situ hybridization methods. Lung Cancer 2016; 101:40-47. [PMID: 27794407 DOI: 10.1016/j.lungcan.2016.09.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Revised: 09/06/2016] [Accepted: 09/07/2016] [Indexed: 01/11/2023]
Abstract
OBJECTIVES Analysis of the targetable driver mutations is now recommended in all patients with advanced lung adenocarcinoma. Molecular-based methods are usually adopted, however, along with the implementation of highly sensitive and/or mutation-specific antibodies, immunohistochemistry (IHC) has been considered an alternative method for identifying driver mutations in lung adenocarcinomas. MATERIALS AND METHODS A total of 205 lung adenocarcinomas were examined for EGFR mutations and ALK and ROS1 rearrangements using real-time PCR, fluorescence in situ hybridization (FISH) and IHC in parallel. The performance of different commercially available IHC antibody clones toward targetable driver mutations was evaluated. The association between these driver mutations and clinicopathological characteristics was also analyzed. RESULTS In 205 cases we studied, 58.5% were found to harbor EGFR mutations, 6.3% ALK rearrangements and 1.0% ROS1 rearrangements. Compared to molecular-based methods, IHC of EGFR mutations showed an excellent specificity but the sensitivity is suboptimal, while IHC of ALK and ROS1 rearrangements demonstrated high sensitivity and specificity. No significant difference regarding the performance of different antibody clones toward these driver mutations was observed, except that clone SP125 showed a higher sensitivity than 43B2 in the detection of p.L858R of EGFR. CONCLUSION In circumstances such as poor quality of nucleic acids or low content of tumor cells, IHC of EGFR mutation-specific antibodies could be used as an alternative method. Patients negative for EGFR mutations are subjected to further analysis on ALK and ROS1 rearrangements using IHC methods. Herein, we proposed a lung adenocarcinoma testing algorithm for the application of IHC in therapeutic diagnosis.
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Affiliation(s)
- Hua-Lin Kao
- Division of Molecular Pathology, Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan; Institute of Clinical Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan; Department of Pathology and Laboratory Medicine, Cathay General Hospital, Taipei, Taiwan
| | - Yi-Chen Yeh
- Division of Molecular Pathology, Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan; Institute of Clinical Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Chin-Hsuan Lin
- Division of Molecular Pathology, Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan; Department of Pathology, Taichung Cheng-Ching Hospital, Taichung, Taiwan
| | - Wei-Fang Hsu
- Division of Molecular Pathology, Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Wen-Yu Hsieh
- Division of Molecular Pathology, Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan
| | - Hsiang-Ling Ho
- Division of Molecular Pathology, Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan.
| | - Teh-Ying Chou
- Division of Molecular Pathology, Department of Pathology and Laboratory Medicine, Taipei Veterans General Hospital, Taipei, Taiwan; Institute of Clinical Medicine, School of Medicine, National Yang-Ming University, Taipei, Taiwan.
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86
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Shi R, Varella-Garcia M, Li M, Ludkovski O, Danesh A, Ng C, Pham NA, Pugh T, Shepherd FA, Tsao MS. An Anaplastic Lymphoma Kinase Immunohistochemistry-Negative but Fluorescence In Situ Hybridization-Positive Lung Adenocarcinoma Is Resistant to Crizotinib. J Thorac Oncol 2016; 11:2248-2252. [PMID: 27613526 DOI: 10.1016/j.jtho.2016.08.139] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2016] [Revised: 08/20/2016] [Accepted: 08/22/2016] [Indexed: 11/17/2022]
Abstract
INTRODUCTION Oncogenic fusion of anaplastic lymphoma kinase (ALK) with echinoderm microtubule associated protein like 4 protein or other partner genes occurs in 3% to 6% of lung adenocarcinomas. Although fluorescence in situ hybridization (FISH) is the accepted standard for detecting anaplastic lymphoma receptor tyrosine kinase gene (ALK) gene rearrangement that gives rise to new fusion genes, not all ALK FISH-positive patients respond to ALK inhibitor therapies. We report here an ALK FISH-positive patient-derived xenograft (PDX) that was nonresponsive to crizotinib therapy. METHODS The PDX patient human lung cancer (PHLC402) was established in NOD/SCID mice from a patient with resected pT4N1M0 lung adenocarcinoma. ALK gene status was investigated using the standard FISH break-apart assay, reverse-transcriptase quantitative polymerase chain reaction, RNA sequencing and immunohistochemical assay using the 5A4 antibody. PHLC402 was treated with crizotinib (50 mg/kg) by daily oral gavage. RESULTS ALK FISH assay was positive in both the primary patient tumor and PDX, which were negative for ALK protein expression by immunohistochemical analysis. ALK fusion product was not detected by RNA sequencing and reverse-transcriptase quantitative polymerase chain reaction comparing the 5' and 3' ALK transcript levels. Crizotinib treatment of PHLC402 grown in mice resulted in no tumor response. CONCLUSION ALK protein expression may be necessary for ALK FISH-positive lung cancer to be responsive to ALK inhibitor therapy.
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Affiliation(s)
- Ruoshi Shi
- University Health Network, Ontario Cancer Institute/Princess Margaret Cancer Centre, Toronto, Ontario, Canada; Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
| | | | - Ming Li
- University Health Network, Ontario Cancer Institute/Princess Margaret Cancer Centre, Toronto, Ontario, Canada
| | - Olga Ludkovski
- University Health Network, Ontario Cancer Institute/Princess Margaret Cancer Centre, Toronto, Ontario, Canada
| | - Arnavaz Danesh
- University Health Network, Ontario Cancer Institute/Princess Margaret Cancer Centre, Toronto, Ontario, Canada
| | - Christine Ng
- University Health Network, Ontario Cancer Institute/Princess Margaret Cancer Centre, Toronto, Ontario, Canada
| | - Nhu-An Pham
- University Health Network, Ontario Cancer Institute/Princess Margaret Cancer Centre, Toronto, Ontario, Canada
| | - Trevor Pugh
- University Health Network, Ontario Cancer Institute/Princess Margaret Cancer Centre, Toronto, Ontario, Canada; Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
| | - Frances A Shepherd
- University Health Network, Ontario Cancer Institute/Princess Margaret Cancer Centre, Toronto, Ontario, Canada; Department of Medicine, University of Toronto, Toronto, Ontario, Canada
| | - Ming-Sound Tsao
- University Health Network, Ontario Cancer Institute/Princess Margaret Cancer Centre, Toronto, Ontario, Canada; Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada; Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, Ontario, Canada.
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Heydt C, Kostenko A, Merkelbach-Bruse S, Wolf J, Büttner R. ALK evaluation in the world of multiplex testing: Network Genomic Medicine (NGM): the Cologne model for implementing personalised oncology. Ann Oncol 2016; 27 Suppl 3:iii25-iii34. [DOI: 10.1093/annonc/mdw303] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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Kerr K, López-Ríos F. Precision medicine in NSCLC and pathology: how does ALK fit in the pathway? Ann Oncol 2016; 27 Suppl 3:iii16-iii24. [DOI: 10.1093/annonc/mdw302] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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89
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ALK+ lung adenocarcinoma in never smokers and long-term ex-smokers: prevalence and detection by immunohistochemistry and fluorescence in situ hybridization. Virchows Arch 2016; 469:533-540. [DOI: 10.1007/s00428-016-2005-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2016] [Revised: 06/14/2016] [Accepted: 08/11/2016] [Indexed: 12/20/2022]
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90
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Mattsson JSM, Brunnström H, Jabs V, Edlund K, Jirström K, Mindus S, la Fleur L, Pontén F, Karlsson MG, Karlsson C, Koyi H, Brandén E, Botling J, Helenius G, Micke P, Svensson MA. Inconsistent results in the analysis of ALK rearrangements in non-small cell lung cancer. BMC Cancer 2016; 16:603. [PMID: 27495736 PMCID: PMC4974795 DOI: 10.1186/s12885-016-2646-x] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2016] [Accepted: 07/28/2016] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND Identification of targetable EML4-ALK fusion proteins has revolutionized the treatment of a minor subgroup of non-small cell lung cancer (NSCLC) patients. Although fluorescence in situ hybridization (FISH) is regarded as the gold standard for detection of ALK rearrangements, ALK immunohistochemistry (IHC) is often used as screening tool in clinical practice. In order to unbiasedly analyze the diagnostic impact of such a screening strategy, we compared ALK IHC with ALK FISH in three large representative Swedish NSCLC cohorts incorporating clinical parameters and gene expression data. METHODS ALK rearrangements were detected using FISH on tissue microarrays (TMAs), including tissue from 851 NSCLC patients. In parallel, ALK protein expression was detected using IHC, applying the antibody clone D5F3 with two different protocols (the FDA approved Ventana CDx assay and our in house Dako IHC protocol). Gene expression microarray data (Affymetrix) was available for 194 patients. RESULTS ALK rearrangements were detected in 1.7 % in the complete cohort and 2.0 % in the non-squamous cell carcinoma subgroup. ALK protein expression was observed in 1.8 and 1.4 % when applying the Ventana assay or the in house Dako protocol, respectively. The specificity and accuracy of IHC was high (> 98 %), while the sensitivity was between 69 % (Ventana) and 62 % (in house Dako protocol). Furthermore, only 67 % of the ALK IHC positive cases were positive with both IHC assays. Gene expression analysis revealed that 6/194 (3 %) tumors showed high ALK gene expression (≥ 6 AU) and of them only three were positive by either FISH or IHC. CONCLUSION The overall frequency of ALK rearrangements based on FISH was lower than previously reported. The sensitivity of both IHC assays was low, and the concordance between the FISH and the IHC assays poor, questioning current strategies to screen with IHC prior to FISH or completely replace FISH by IHC.
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Affiliation(s)
- Johanna S M Mattsson
- Department of Immunology, Genetics and Pathology, Uppsala University, 751 85, Uppsala, Sweden.
| | - Hans Brunnström
- Department of Clinical Sciences Lund, Division of Oncology and Pathology, Lund University, Lund, Sweden.,Department of Pathology, Regional Laboratories Region Skåne, SE-221 85, Lund, Sweden
| | - Verena Jabs
- Department of Statistics, TU Dortmund University, Dortmund, Germany
| | - Karolina Edlund
- Leibniz Research Centre for Working Environment and Human Factors (IfADo) at Dortmund TU, Dortmund, Germany
| | - Karin Jirström
- Department of Clinical Sciences Lund, Division of Oncology and Pathology, Lund University, Lund, Sweden
| | - Stephanie Mindus
- Department of Medical Sciences, Respiratory, Allergy and Sleep Research, Uppsala University, Uppsala, Sweden
| | - Linnéa la Fleur
- Department of Immunology, Genetics and Pathology, Uppsala University, 751 85, Uppsala, Sweden
| | - Fredrik Pontén
- Department of Immunology, Genetics and Pathology, Uppsala University, 751 85, Uppsala, Sweden
| | - Mats G Karlsson
- Department of Research and Education, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | | | - Hirsh Koyi
- Department of Respiratory Medicine, Gävle hospital, Gävle; Centre for Research and Development, Uppsala University/County Council of Gävleborg, Gävle, Sweden
| | - Eva Brandén
- Department of Respiratory Medicine, Gävle hospital, Gävle; Centre for Research and Development, Uppsala University/County Council of Gävleborg, Gävle, Sweden
| | - Johan Botling
- Department of Immunology, Genetics and Pathology, Uppsala University, 751 85, Uppsala, Sweden
| | - Gisela Helenius
- Department of Laboratory Medicine, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
| | - Patrick Micke
- Department of Immunology, Genetics and Pathology, Uppsala University, 751 85, Uppsala, Sweden
| | - Maria A Svensson
- Clinical Research Center, Faculty of Medicine and Health, Örebro University, Örebro, Sweden
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Uguen A, Andrieu-Key S, Vergne F, Descourt R, Quéré G, Quintin-Roué I, Key S, Guéguen P, Talagas M, De Braekeleer M, Marcorelles P. ALK ambiguous-positive non-small cell lung cancers are tumors challenged by diagnostic and therapeutic issues. Oncol Rep 2016; 36:1427-34. [PMID: 27460205 DOI: 10.3892/or.2016.4962] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Accepted: 04/19/2016] [Indexed: 11/06/2022] Open
Abstract
Searching for ALK rearrangements using the approved fluorescent in situ hybridization (FISH) test and complementary immunohistochemistry (IHC) has become the rule to treat patients with advanced non‑small cell lung cancer (NSCLC) with anti‑ALK targeted therapy. The concordance between the two techniques is reported to be strong but imperfect. We report our experience with cases of ALK‑rearranged lung adenocarcinomas pointing out particularly ambiguous cases. FISH and IHC data on ALK but also c‑MET IHC as well as EGFR and KRAS mutation screening are considered, together with response to crizotinib treatment. We classified the 55 FISH ALK‑rearranged tumors into two groups according to the FISH and IHC results: a concordant FISH+IHC+ group (31 tumors) and an ambiguous group (24 tumors). These tumors were considered as 'ambiguous' ALK‑positive due to negative (21 tumors) or non‑contributive (3 tumors) IHC. In addition, the percentage of FISH-positive nuclei was between 15 and 20% in 17 tumors belonging to one or the other group (now called borderline tumors). We discuss the accuracy of the different tests with intent to determine whether ambiguous and borderline tumors are real positive ALK‑rearranged tumors. To conclude, ambiguous ALK‑positive lung cancers are challenging tumors with diagnosis and therapeutic issues that can justify parallel FISH, IHC and molecular screening strategy.
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Affiliation(s)
| | - Sophie Andrieu-Key
- Department of Pathology, Brest University Hospital, F‑29609 Brest, France
| | | | | | - Gilles Quéré
- Department of Oncology, CHRU Brest, F‑29220 Brest, France
| | | | - Stéphane Key
- Department of Oncology, CHRU Brest, F‑29220 Brest, France
| | | | - Matthieu Talagas
- Department of Pathology, Brest University Hospital, F‑29609 Brest, France
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Bruno R, Giordano M, Giannini R, Alì G, Puppo G, Ribechini A, Chella A, Fontanini G. Aberrant expression of anaplastic lymphoma kinase in lung adenocarcinoma: Analysis of circulating free tumor RNA using one-step reverse transcription-polymerase chain reaction. Mol Med Rep 2016; 14:2238-42. [PMID: 27430882 DOI: 10.3892/mmr.2016.5479] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Accepted: 06/02/2016] [Indexed: 11/06/2022] Open
Abstract
Lung adenocarcinoma patients harboring anaplastic lymphoma kinase (ALK) gene rearrangements respond well to approved ALK inhibitors. However, to date, limited evidence is available regarding whether using circulating free tumor mRNA to identify aberrant ALK expression is possible, and its feasibility remains to be clearly addressed. The present study evaluated ALK expression by a one-step reverse transcription‑polymerase chain reaction (PCR) assay on the circulating free tumor mRNA from 12 lung adenocarcinoma patients. Additionally, the present study tested for ALK rearrangements by fluorescence in situ hybridization (FISH) and immunohistochemistry. A molecular genetic characterization was performed on tumor tissues and plasma samples. Aberrant ALK expression was detected in 2/12 patients using mRNA purified from plasma specimens and the results agreed with the FISH and immunohistochemistry findings of solid biopsy samples. The detection of aberrant ALK expression on circulating free tumor RNA may be feasible using a one‑step real‑time PCR assay and may be particularly helpful when a solid biopsy sample is not available.
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Affiliation(s)
- Rossella Bruno
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University of Pisa, I‑56126 Pisa, Italy
| | - Mirella Giordano
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University of Pisa, I‑56126 Pisa, Italy
| | - Riccardo Giannini
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University of Pisa, I‑56126 Pisa, Italy
| | - Greta Alì
- Unit of Pathological Anatomy, University Hospital of Pisa, I‑56100 Pisa, Italy
| | - Gianfranco Puppo
- Unit of Pneumology, University Hospital of Pisa, I‑56100 Pisa, Italy
| | - Alessandro Ribechini
- Endoscopic Section of Pneumology, University Hospital of Pisa, I‑56100 Pisa, Italy
| | - Antonio Chella
- Unit of Pneumology, University Hospital of Pisa, I‑56100 Pisa, Italy
| | - Gabriella Fontanini
- Department of Surgical, Medical, Molecular Pathology and Critical Area, University of Pisa, I‑56126 Pisa, Italy
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Facchinetti F, Tiseo M, Di Maio M, Graziano P, Bria E, Rossi G, Novello S. Tackling ALK in non-small cell lung cancer: the role of novel inhibitors. Transl Lung Cancer Res 2016; 5:301-21. [PMID: 27413712 DOI: 10.21037/tlcr.2016.06.10] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Crizotinib is an oral inhibitor of anaplastic lymphoma kinase (ALK) with remarkable clinical activity in patients suffering from ALK-rearranged non-small cell lung cancer (NSCLC), accounting to its superiority compared to chemotherapy. Unfortunately, virtually all ALK-rearranged tumors acquire resistance to crizotinib, frequently within one year since the treatment initiation. To date, therapeutic strategies to overcome crizotinib resistance have focused on the use of more potent and structurally different compounds. Second-generation ALK inhibitors such as ceritinib (LDK378), alectinib (CH5424802/RO5424802) and brigatinib (AP26113) have shown relevant clinical activity, consequently fostering their rapid clinical development and their approval by health agencies. The third-generation inhibitor lorlatinib (PF-06463922), selectively active against ALK and ROS1, harbors impressive biological potency; its efficacy in reversing resistance to crizotinib and to other ALK inhibitors is being proven by early clinical trials. The NTRK1-3 and ROS1 inhibitor entrectinib (RXDX-101) has been reported to act against NSCLC harboring ALK fusion proteins too. Despite the quick development of these novel agents, several issues remain to be discussed in the treatment of patients suffering from ALK-rearranged NSCLC. This position paper will discuss the development, the current evidence and approvals, as long as the future perspectives of new ALK inhibitors beyond crizotinib. Clinical behaviors of ALK-rearranged NSCLC vary significantly among patients and differential molecular events responsible of crizotinib resistance account for the most important quote of this heterogeneity. The precious availability of a wide range of active anti-ALK compounds should be approached in a critical and careful perspective, in order to develop treatment strategies tailored on the disease evolution of every single patient.
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Affiliation(s)
- Francesco Facchinetti
- 1 INSERM U981, Gustave Roussy Cancer Campus, Université Paris-Sud, Villejuif, France ; 2 Medical Oncology Unit, University Hospital of Parma, Parma, Italy ; 3 Department of Oncology, AOU San Luigi (Orbassano), University of Turin, Italy ; 4 Medical Oncology, AO Ordine Mauriziano, Turin, Italy ; 5 Division of Pathology, IRCCS "Casa Sollievo della Sofferenza", San Giovanni Rotondo, Foggia, Italy ; 6 Medical Oncology, Azienda Ospedaliera Universitaria Integrata, University of Verona, Verona, Italy ; 7 Operative Unit of Pathology, Azienda USL Valle d'Aosta, Aosta, Italy
| | - Marcello Tiseo
- 1 INSERM U981, Gustave Roussy Cancer Campus, Université Paris-Sud, Villejuif, France ; 2 Medical Oncology Unit, University Hospital of Parma, Parma, Italy ; 3 Department of Oncology, AOU San Luigi (Orbassano), University of Turin, Italy ; 4 Medical Oncology, AO Ordine Mauriziano, Turin, Italy ; 5 Division of Pathology, IRCCS "Casa Sollievo della Sofferenza", San Giovanni Rotondo, Foggia, Italy ; 6 Medical Oncology, Azienda Ospedaliera Universitaria Integrata, University of Verona, Verona, Italy ; 7 Operative Unit of Pathology, Azienda USL Valle d'Aosta, Aosta, Italy
| | - Massimo Di Maio
- 1 INSERM U981, Gustave Roussy Cancer Campus, Université Paris-Sud, Villejuif, France ; 2 Medical Oncology Unit, University Hospital of Parma, Parma, Italy ; 3 Department of Oncology, AOU San Luigi (Orbassano), University of Turin, Italy ; 4 Medical Oncology, AO Ordine Mauriziano, Turin, Italy ; 5 Division of Pathology, IRCCS "Casa Sollievo della Sofferenza", San Giovanni Rotondo, Foggia, Italy ; 6 Medical Oncology, Azienda Ospedaliera Universitaria Integrata, University of Verona, Verona, Italy ; 7 Operative Unit of Pathology, Azienda USL Valle d'Aosta, Aosta, Italy
| | - Paolo Graziano
- 1 INSERM U981, Gustave Roussy Cancer Campus, Université Paris-Sud, Villejuif, France ; 2 Medical Oncology Unit, University Hospital of Parma, Parma, Italy ; 3 Department of Oncology, AOU San Luigi (Orbassano), University of Turin, Italy ; 4 Medical Oncology, AO Ordine Mauriziano, Turin, Italy ; 5 Division of Pathology, IRCCS "Casa Sollievo della Sofferenza", San Giovanni Rotondo, Foggia, Italy ; 6 Medical Oncology, Azienda Ospedaliera Universitaria Integrata, University of Verona, Verona, Italy ; 7 Operative Unit of Pathology, Azienda USL Valle d'Aosta, Aosta, Italy
| | - Emilio Bria
- 1 INSERM U981, Gustave Roussy Cancer Campus, Université Paris-Sud, Villejuif, France ; 2 Medical Oncology Unit, University Hospital of Parma, Parma, Italy ; 3 Department of Oncology, AOU San Luigi (Orbassano), University of Turin, Italy ; 4 Medical Oncology, AO Ordine Mauriziano, Turin, Italy ; 5 Division of Pathology, IRCCS "Casa Sollievo della Sofferenza", San Giovanni Rotondo, Foggia, Italy ; 6 Medical Oncology, Azienda Ospedaliera Universitaria Integrata, University of Verona, Verona, Italy ; 7 Operative Unit of Pathology, Azienda USL Valle d'Aosta, Aosta, Italy
| | - Giulio Rossi
- 1 INSERM U981, Gustave Roussy Cancer Campus, Université Paris-Sud, Villejuif, France ; 2 Medical Oncology Unit, University Hospital of Parma, Parma, Italy ; 3 Department of Oncology, AOU San Luigi (Orbassano), University of Turin, Italy ; 4 Medical Oncology, AO Ordine Mauriziano, Turin, Italy ; 5 Division of Pathology, IRCCS "Casa Sollievo della Sofferenza", San Giovanni Rotondo, Foggia, Italy ; 6 Medical Oncology, Azienda Ospedaliera Universitaria Integrata, University of Verona, Verona, Italy ; 7 Operative Unit of Pathology, Azienda USL Valle d'Aosta, Aosta, Italy
| | - Silvia Novello
- 1 INSERM U981, Gustave Roussy Cancer Campus, Université Paris-Sud, Villejuif, France ; 2 Medical Oncology Unit, University Hospital of Parma, Parma, Italy ; 3 Department of Oncology, AOU San Luigi (Orbassano), University of Turin, Italy ; 4 Medical Oncology, AO Ordine Mauriziano, Turin, Italy ; 5 Division of Pathology, IRCCS "Casa Sollievo della Sofferenza", San Giovanni Rotondo, Foggia, Italy ; 6 Medical Oncology, Azienda Ospedaliera Universitaria Integrata, University of Verona, Verona, Italy ; 7 Operative Unit of Pathology, Azienda USL Valle d'Aosta, Aosta, Italy
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Sánchez-Ares M, Cameselle-Teijeiro JM, Vázquez-Estévez S, Lázaro-Quintela M, Vázquez-Boquete Á, Afonso-Afonso FJ, Casal-Rubio J, González-Piñeiro AL, Rico-Rodríguez Y, Fírvida-Pérez JL, Ruíz-Bañobre J, Couso E, Santomé L, Pérez-Becerra R, García-Campelo R, Amenedo M, Azpitarte-Raposeiras C, Antúnez J, Abdulkader I. Fluorescence in situ hybridization analysis of the ALK gene in 2,045 non-small cell lung cancer patients from North-Western Spain (Galicia). Oncol Lett 2016; 12:1403-1407. [PMID: 27446444 PMCID: PMC4950728 DOI: 10.3892/ol.2016.4788] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2016] [Accepted: 05/10/2016] [Indexed: 12/17/2022] Open
Abstract
Identification of anaplastic lymphoma receptor tyrosine kinase (ALK) gene rearrangements is a standard diagnostic test in patients with advanced non-small cell lung cancer (NSCLC). The current study describes the experience of ALK rearrangement detection of a referral center in the public health care system of Galicia in North-Western Spain. The fluorescence in situ hybridization (FISH) patterns of the ALK gene and the clinical and pathological features of these patients are reported. This study is also of interest for comparative purposes due to the relative geographical isolation of the area, which could have contributed to particular genetic features. A total of 2,045 tissue samples from NSCLC patients were collected between October 2010 and July 2015 and tested for ALK rearrangements by FISH. Examination of 1,686 paraffin-embedded tissue specimens and 395 cytological samples (306 cell block preparations and 53 cytological smears) was conducted, and any associations between the FISH results and clinicopathological features were assessed. The rate of successful evaluation was marginally higher in tissue samples than in cytological samples (92.9% vs. 84.1%); this difference was not significant. ALK rearrangements were identified in 82 patients(4%): 65 (79.3%) in tissue specimens, 15 (18.3%) in cell block samples and 2 (2.4%) in cytological smears. This genetic translocation appeared to be associated with a non-smoking history, younger age, female gender, stage IV and adenocarcinoma histological type. The findings demonstrate that ALK evaluation by FISH is feasible in tissue and cytological samples. The clinical and pathological features of the ALK-positive series of patients are similar to those previously reported in the literature.
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Affiliation(s)
- María Sánchez-Ares
- Department of Anatomic Pathology, Clinical University Hospital, Galician Healthcare Service (SERGAS), 15706 Santiago de Compostela, Spain
| | - José M Cameselle-Teijeiro
- Department of Anatomic Pathology, Clinical University Hospital, Galician Healthcare Service (SERGAS), 15706 Santiago de Compostela, Spain; Department of Anatomic Pathology, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Sergio Vázquez-Estévez
- Department of Medical Oncology, Lucus Augusti University Hospital, SERGAS, 27003 Lugo, Spain
| | | | - Ángel Vázquez-Boquete
- Department of Anatomic Pathology, Clinical University Hospital, Galician Healthcare Service (SERGAS), 15706 Santiago de Compostela, Spain
| | - Francisco J Afonso-Afonso
- Department of Medical Oncology, University Hospital Complex Arquitecto Marcide-Novoa Santos, SERGAS, 15405 Ferrol, Spain
| | - Joaquín Casal-Rubio
- Department of Medical Oncology, University Hospital Complex, SERGAS, 36312 Vigo, Spain
| | - Ana L González-Piñeiro
- Department of Anatomic Pathology, University Hospital Complex, SERGAS, 36312 Vigo, Spain
| | - Yolanda Rico-Rodríguez
- Department of Anatomic Pathology, Clinical University Hospital, Galician Healthcare Service (SERGAS), 15706 Santiago de Compostela, Spain
| | - José L Fírvida-Pérez
- Department of Medical Oncology, Clinical University Hospital, SERGAS, 32005 Ourense, Spain
| | - Juan Ruíz-Bañobre
- Department of Medical Oncology, Clinical University Hospital, SERGAS, 15706 Santiago de Compostela, Spain
| | - Elena Couso
- Department of Anatomic Pathology, Clinical University Hospital, Galician Healthcare Service (SERGAS), 15706 Santiago de Compostela, Spain
| | - Lucía Santomé
- Department of Medical Oncology, Povisa Hospital, 36211 Vigo, Spain
| | - Raquel Pérez-Becerra
- Department of Anatomic Pathology, Clinical University Hospital, Galician Healthcare Service (SERGAS), 15706 Santiago de Compostela, Spain
| | - Rosario García-Campelo
- Department of Medical Oncology, Clinical University Hospital, SERGAS, 15006 A Coruña, Spain
| | - Margarita Amenedo
- Department of Medical Oncology, Centro Oncológico de Galicia, 15009 A Coruña, Spain
| | | | - José Antúnez
- Department of Anatomic Pathology, Clinical University Hospital, Galician Healthcare Service (SERGAS), 15706 Santiago de Compostela, Spain; Department of Anatomic Pathology, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Ihab Abdulkader
- Department of Anatomic Pathology, Clinical University Hospital, Galician Healthcare Service (SERGAS), 15706 Santiago de Compostela, Spain
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95
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For staining of ALK protein, the novel D5F3 antibody demonstrates superior overall performance in terms of intensity and extent of staining in comparison to the currently used ALK1 antibody. Virchows Arch 2016; 469:345-50. [DOI: 10.1007/s00428-016-1969-y] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 05/09/2016] [Accepted: 05/31/2016] [Indexed: 12/31/2022]
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Rosoux A, Pauwels P, Duplaquet F, D'Haene N, Weynand B, Delos M, Menon R, Heukamp LC, Thunnissen E, Ocak S. Effectiveness of crizotinib in a patient with ALK IHC-positive/FISH-negative metastatic lung adenocarcinoma. Lung Cancer 2016; 98:118-121. [PMID: 27393517 DOI: 10.1016/j.lungcan.2016.06.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Revised: 05/30/2016] [Accepted: 06/01/2016] [Indexed: 11/30/2022]
Abstract
We report a case of crizotinib effectiveness in a heavily pretreated patient with a metastatic NSCLC initially considered IHC-positive and FISH-negative for ALK rearrangement. After repeated analyses of tumor samples, borderline ALK FISH-positivity (18.5% positive cells) was demonstrated.
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Affiliation(s)
- A Rosoux
- Division of Pulmonology, Université catholique de Louvain (UCL), CHU UCL Namur, Yvoir, Belgium
| | - P Pauwels
- Center for Oncologic Research (CORE), Antwerp University, Antwerp, Belgium
| | - F Duplaquet
- Division of Pulmonology, Université catholique de Louvain (UCL), CHU UCL Namur, Yvoir, Belgium
| | - N D'Haene
- Department of Pathology, Université Libre de Bruxelles (ULB), Hôpital Erasme, Brussels, Belgium
| | - B Weynand
- Department of pathology, UZ Leuven, Leuven, Belgium
| | - M Delos
- Department of Pathology, UCL, CHU UCL Namur, Yvoir, Belgium
| | - R Menon
- Neo New Oncology GmbH, Cologne, Germany
| | | | - E Thunnissen
- Department of Pathology, VU University, Amsterdam, Netherlands
| | - S Ocak
- Division of Pulmonology, Université catholique de Louvain (UCL), CHU UCL Namur, Yvoir, Belgium.
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Antibody 1A4 with routine immunohistochemistry demonstrates high sensitivity for ALK rearrangement screening of Chinese lung adenocarcinoma patients: A single-center large-scale study. Lung Cancer 2016; 95:39-43. [DOI: 10.1016/j.lungcan.2016.02.014] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2015] [Revised: 02/18/2016] [Accepted: 02/25/2016] [Indexed: 12/14/2022]
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98
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Heterogeneity of anaplastic lymphoma kinase gene rearrangement in non-small-cell lung carcinomas: a comparative study between small biopsy and excision samples. J Thorac Oncol 2016; 10:800-805. [PMID: 25898958 DOI: 10.1097/jto.0000000000000507] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
INTRODUCTION The standard diagnostic method for echinoderm microtubule-associated protein-like 4-anaplastic lymphoma receptor tyrosine kinase translocation is fluorescence in situ hybridization (FISH). Recently, immunohistochemistry (IHC) has been reported as a potential method in screening for anaplastic lymphoma kinase (ALK)-positive non-small-cell lung carcinomas (NSCLC), whereas several authors have reported a discordance between FISH and IHC results. We investigated the heterogeneity of ALK gene rearrangement in excision specimens by FISH and also examined whether the FISH score of ALK gene rearrangement corresponded in excision and biopsy samples from the same patient. METHODS Twenty ALK IHC-positive patients including six patients treated with crizotinib therapy were evaluated for the presence of ALK FISH. For evaluation of heterogeneity of ALK gene rearrangement in excision specimens, we defined six to 10 observation areas in each case, and the number of ALK FISH positive observation areas (≥15% rearrangement detected) was investigated. ALK FISH score in small biopsy samples was classified as positive (≥15% rearrangement detected), equivocal (5-14% rearrangement detected), or negative (<4% rearrangement detected). RESULTS Of a total of 64 tumor observation areas from nine excision specimens, 50 areas were positive for ALK gene rearrangement (81.8%). In the comparison of excision and small biopsy samples, all excision specimens were ALK FISH-positive (100%; 6 of 6), whereas only three of the small biopsy samples in these patients were positive (50%; 3 of 6), two were equivocal (33%; 2 of 6), and one was negative (17%; 1 of 6). The two equivocal patients received crizotinib and showed a response. CONCLUSION ALK gene rearrangement heterogeneity was observed in NSCLC specimens by FISH. Our findings suggested that IHC-positive/FISH-equivocal cases should not be considered true "false-negatives" when a small biopsy sample was used for ALK analysis.
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99
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Mengoli MC, Barbieri F, Bertolini F, Tiseo M, Rossi G. K-RAS mutations indicating primary resistance to crizotinib in ALK -rearranged adenocarcinomas of the lung: Report of two cases and review of the literature. Lung Cancer 2016; 93:55-8. [DOI: 10.1016/j.lungcan.2016.01.002] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Revised: 12/28/2015] [Accepted: 01/04/2016] [Indexed: 12/20/2022]
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100
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Marchetti A, Di Lorito A, Pace MV, Iezzi M, Felicioni L, D'Antuono T, Filice G, Guetti L, Mucilli F, Buttitta F. ALK Protein Analysis by IHC Staining after Recent Regulatory Changes: A Comparison of Two Widely Used Approaches, Revision of the Literature, and a New Testing Algorithm. J Thorac Oncol 2016; 11:487-95. [PMID: 26916631 DOI: 10.1016/j.jtho.2015.12.111] [Citation(s) in RCA: 105] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2015] [Revised: 12/09/2015] [Accepted: 12/10/2015] [Indexed: 11/30/2022]
Abstract
INTRODUCTION Recent regulatory changes have allowed the diagnostic use of immunohistochemical (IHC) analysis for the identification of patients with non-small cell lung cancer who are eligible for treatment with anaplastic lymphoma receptor tyrosine kinase (ALK) inhibitors. The U.S. Food and Drug Administration has approved the VENTANA ALK (D5F3) CDx Assay (Ventana Medical Systems, Tucson, AZ) as companion diagnostics, and the Italian Medicines Agency has recognized IHC analysis as a diagnostic test indicating an algorithm for patient selection. METHODS On the basis of the new regulations, we compared two commonly used IHC assays on 1031 lung adenocarcinomas: the VENTANA ALK (D5F3) CDx Assay with the OptiView Amplification Kit (Ventana Medical Systems) and a standard IHC test with the clone 5A4 (Novocastra, Leica Biosystems, Newcastle Upon Tyne, United Kingdom) along with their interpretative algorithms. Fluorescence in situ hybridization (FISH) was performed in all cases. Next-generation sequencing was performed in FISH/IHC analysis-discordant samples. RESULTS FISH gave positive results in 33 (3.2%) cases. When FISH was used as a reference, the VENTANA ALK (D5F3) CDx assay had a sensitivity of 90.9% ± 2.6%, a specificity of 99.8% ± 0.6%, and positive and negative predictive values of 93.8% ± 2.1% and 99.7% ± 0.6%, respectively. The clone 5A4-based IHC test showed a sensitivity of 90.9% ± 2.6%, a specificity of 98.3% ± 1.3%, and positive and negative predictive values of 63.8% ± 4.2% and 99.7% ± 0.6%, respectively. Five cases with IHC analysis/FISH-discordant results in our series were analyzed together with those previously reported in the literature. Overall, data from 35 patients indicate a response rate to ALK inhibitors in 100% of FISH-negative/IHC analysis-positive cases (seven of seven) and 46% of FISH-positive/IHC analysis-negative cases (13 of 28), respectively. CONCLUSIONS Our results confirm the difficulty in managing an IHC test without amplification in the absence of confirmatory FISH analysis, as well as the possibility of performing a direct diagnosis in approximately 90% of patients by the VENTANA ALK (D5F3) CDx Assay. On the basis of the recent regulatory changes, the data that have emerged from the literature, and the results of the present study, a new algorithm for ALK assessment in non-small cell lung cancer has been devised.
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Affiliation(s)
- Antonio Marchetti
- Center of Predictive Molecular Medicine, Center for Excellence on Ageing and Translational Medicine, University of Chieti-Pescara, Chieti, Italy
| | - Alessia Di Lorito
- Center of Predictive Molecular Medicine, Center for Excellence on Ageing and Translational Medicine, University of Chieti-Pescara, Chieti, Italy
| | - Maria Vittoria Pace
- Center of Predictive Molecular Medicine, Center for Excellence on Ageing and Translational Medicine, University of Chieti-Pescara, Chieti, Italy
| | - Manuela Iezzi
- Center of Predictive Molecular Medicine, Center for Excellence on Ageing and Translational Medicine, University of Chieti-Pescara, Chieti, Italy
| | - Lara Felicioni
- Oncological and Cardiovascular Molecular Medicine Unit, Center for Excellence on Ageing and Translational Medicine, University of Chieti-Pescara, Chieti, Italy
| | - Tommaso D'Antuono
- Center of Predictive Molecular Medicine, Center for Excellence on Ageing and Translational Medicine, University of Chieti-Pescara, Chieti, Italy
| | - Giampaolo Filice
- Center of Predictive Molecular Medicine, Center for Excellence on Ageing and Translational Medicine, University of Chieti-Pescara, Chieti, Italy
| | - Luigi Guetti
- Department of Surgery, University of Chieti, Chieti, Italy
| | - Felice Mucilli
- Department of Surgery, University of Chieti, Chieti, Italy
| | - Fiamma Buttitta
- Oncological and Cardiovascular Molecular Medicine Unit, Center for Excellence on Ageing and Translational Medicine, University of Chieti-Pescara, Chieti, Italy.
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