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Jiang X, Qu A, Xu X, Kuang H, Liu L, Xu C. Ultrasensitive detection of imatinib in human serum using a gold-based paper sensor. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1234:124001. [PMID: 38281369 DOI: 10.1016/j.jchromb.2024.124001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/30/2023] [Accepted: 01/04/2024] [Indexed: 01/30/2024]
Abstract
Imatinib is the tyrosine kinase inhibitor of choice for the treatment of chronic myeloid leukemia and gastrointestinal stromal tumors. However, imatinib has drawbacks such as drug resistance and significant differences in pharmacokinetics within patients. Therefore, a colloidal gold-based immunochromatographic assay (CG-IA) was developed for measuring and monitoring imatinib in human serum. An imatinib derivative containing carboxyl groups was used for the synthesis of the immunogen, and 4-(4-methyl-1-piperazinylmethyl) benzoic acid was selected as the hapten for the heterologous coating antigen. Next, a highly sensitive and specific monoclonal antibody (mAb), 2F7 was screened for the construction of a CG-IA, with an IC50 value of 0.091 ng/mL. For the qualification of imatinib in human serum, the visual limit of detection (vLOD) and cut-off values of the CG-IA were 2 and 20 ng/mL, respectively. For quantitative detection, the calculated LOD value of the CG-IA was 0.068 ng/mL, with a linearity range of 1.004 and 23.087 ng/mL. The recovery rate of spiked serum samples was between 88.24 % and 104.75 %. In addition, the concentration of imatinib in the serum samples from 10 patients was detected by CG-IA and revealed a good correlation with those from LC-MS/MS. These results indicated that the developed gold-based paper sensor could become an effective tool for the rapid monitoring of imatinib in human serum samples.
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Affiliation(s)
- Xiaoqian Jiang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Aihua Qu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Xinxin Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Liqiang Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
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Serrano C, Álvarez R, Carrasco JA, Marquina G, Martínez-García J, Martínez-Marín V, Sala MÁ, Sebio A, Sevilla I, Martín-Broto J. SEOM-GEIS clinical guideline for gastrointestinal stromal tumors (2022). Clin Transl Oncol 2023; 25:2707-2717. [PMID: 37129716 PMCID: PMC10425520 DOI: 10.1007/s12094-023-03177-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 03/24/2023] [Indexed: 05/03/2023]
Abstract
Gastrointestinal stromal tumor (GIST) is the most common malignant neoplasm of mesenchymal origin, and a paradigmatic model for a successful rational development of targeted therapies in cancer. The introduction of tyrosine kinase inhibitors with activity against KIT/PDGFRA in both localized and advanced stages has remarkably improved the survival in a disease formerly deemed resistant to all systemic therapies. These guidelines are elaborated by the conjoint effort of the Spanish Society of Medical Oncology (SEOM) and the Spanish Sarcoma Research Group (GEIS) and provide a multidisciplinary and updated consensus for the diagnosis and treatment of GIST patients. We strongly encourage that the managing of these patients should be performed within multidisciplinary teams in reference centers.
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Affiliation(s)
- César Serrano
- Sarcoma Translational Research Group, Vall d’Hebron Institute of Oncology (VHIO), Hospital Universitario Vall d’Hebron, Vall d’Hebron Barcelona Hospital Campus, C/Natzaret, 115-117, 08035 Barcelona, Spain
| | - Rosa Álvarez
- Hospital General Universitario Gregorio Marañón, Madrid, Spain
| | - Juan Antonio Carrasco
- Hospital Álvaro Cunqueiro–Complejo Hospitalario Universitario de Vigo, Pontevedra, Spain
| | | | | | | | | | - Ana Sebio
- Hospital de la Santa Creu I Sant Pau, Barcelona, Spain
| | - Isabel Sevilla
- Hospitales Universitarios Regional y Virgen de la Victoria, Málaga, Spain
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Hu K, Zhang H, Shu M, Wang X. Efficacy of post-first-line agents for advanced gastrointestinal stromal tumors following imatinib failure: A network meta-analysis. Cancer Med 2023. [PMID: 37084005 DOI: 10.1002/cam4.5912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 03/13/2023] [Accepted: 03/26/2023] [Indexed: 04/22/2023] Open
Abstract
BACKGROUND Imatinib is the standard first-line treatment for advanced gastrointestinal stromal tumors (GISTs); however, most patients eventually develop imatinib resistance, leading to considerable clinical challenges. Few direct comparisons have been made between different post-first-line therapies on clinical efficacy in advanced GIST following imatinib failure. METHODS Databases including PubMed, Embase, Scopus, Google Scholars, and Cochrane Library from inception to February 2023 were retrieved for randomized controlled trials evaluating the clinical efficacy of different post-first-line agents for advanced GIST following imatinib failure. Network and conventional meta-analysis were carried out using Stata/MP 16.0. RESULTS Ripretinib showed significant improvement in progression-free survival (PFS) rates from the 2nd to the 12th month compared to placebo, while there was virtually no evidence that the rest active agents had a significant benefit at the 12th month. Masitinib, ripretinib, sunitinib, regorafenib, and pimitespib exhibited significantly longer median PFS than placebo, and pairwise comparisons indicated there were no significant differences among masitinib, ripretinib, and sunitinib. These post-first-line agents decreased the risk of disease progression or death by 65% (HR = 0.35, 95% CI: 0.26-0.47) compared to placebo. Ripretinib and sunitinib came into effect earlier and exhibited more consistent overall survival (OS) rate improvements than masitinib and pimitespib, while pairwise comparisons revealed no significant differences in these four active agents concerning the improvement in OS rate. These post-first-line agents decreased the risk of death by 39% (HR = 0.61, 95% CI: 0.44-0.83) over placebo for advanced GIST following imatinib failure. CONCLUSION The active agents in our analysis as post-first-line therapies are able to provide superior clinical efficacy, with improved PFS rate and OS rate at certain time points, as well as absolute values of PFS and OS for advanced GIST. Ripretinib might be the optimal recommendation as a post-first-line treatment for advanced GIST following imatinib failure.
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Affiliation(s)
- Kehan Hu
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, China
- Centre for Inflammatory Bowel Disease, Institution of Inflammation and Immunity, West China Hospital, Sichuan University, Chengdu, China
- Lab of Inflammatory Bowel Disease, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
| | - Hu Zhang
- Department of Gastroenterology, West China Hospital, Sichuan University, Chengdu, China
- Centre for Inflammatory Bowel Disease, Institution of Inflammation and Immunity, West China Hospital, Sichuan University, Chengdu, China
- Lab of Inflammatory Bowel Disease, Frontiers Science Center for Disease-Related Molecular Network, West China Hospital, Sichuan University, Chengdu, China
| | - Mingrong Shu
- Department of Infection Control, West China Hospital, Sichuan University, Chengdu, China
| | - Xingyue Wang
- Department of Graduate Medical Education, West China School of Medicine, Sichuan University, Chengdu, China
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Zhou L, Wang H, Liu H, Huang Z, Wang Z, Zhou X, Mu X. The synergistic therapeutic effect of imatinib and protein kinase CK2 Inhibition correlates with PI3K-AKT activation in gastrointestinal stromal tumors. Clin Res Hepatol Gastroenterol 2022; 46:101886. [PMID: 35183792 DOI: 10.1016/j.clinre.2022.101886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2021] [Revised: 12/28/2021] [Accepted: 02/01/2022] [Indexed: 02/04/2023]
Abstract
BACKGROUND Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract. Casein kinase 2 (CK2) has been reported to be involved in several cellular processes in multiple cancers. However, the role of CK2 in GIST remains unclear. AIM We aimed to investigate the combinatorial treatment of imatinib (IM) and CK2 inhibition on the progression of GISTs. METHODS GIST biopsies and adjacent normal tissues were collected from patients. GIST882 and GIST48 cell lines were subjected to investigate the effect of IM and CK2 inhibition in GIST cells. CCK-8 assay, Caspase-3 activity assay, western blotting, and flow cytometry analysis were employed in the present investigation. RESULTS Our results showed that CK2 was highly expressed in GIST biopsies, and inhibition of CK2 resulted in decrease in cell viability and increase in apoptosis of GIST cells. Moreover, the combination treatment with CX-4945 (CX) and IM resulted in a more significant decrease in cell viability and increase in cell apoptosis compared with mono-treatment. Mechanistically, the combination treatment influenced the activation of the PI3K/AKT pathway. The activation of the PI3K/AKT pathway reversed the synergistic impacts of the combined treatment on cell viability and apoptosis. CONCLUSION Our results demonstrated that inhibition of CK2 combined with IM exhibited a synergistic anti-cancer effect on GIST cells through inactivation of the PI3K/AKT pathway.
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Affiliation(s)
- Linsen Zhou
- Department of General Surgery, The First Affiliated Hospital of Soochow University, No. 899 Pinghai Road, Suzhou, Jiangsu 215006, China; Department of General Surgery, Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School and The First people's Hospital of Yancheng, No. 166 Yulongxi Road, Yancheng, Jiangsu 224001, China
| | - Hao Wang
- Department of General Surgery, Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School and The First people's Hospital of Yancheng, No. 166 Yulongxi Road, Yancheng, Jiangsu 224001, China
| | - Haofeng Liu
- Department of General Surgery, Tumor Hospital Affiliated to Nantong University and Nantong Tumor Hospital, Nantong, Jiangsu 226361, China
| | - Zhijun Huang
- Department of General Surgery, Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School and The First people's Hospital of Yancheng, No. 166 Yulongxi Road, Yancheng, Jiangsu 224001, China
| | - Zhiqiang Wang
- Department of General Surgery, Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School and The First people's Hospital of Yancheng, No. 166 Yulongxi Road, Yancheng, Jiangsu 224001, China
| | - Xiaojun Zhou
- Department of General Surgery, The First Affiliated Hospital of Soochow University, No. 899 Pinghai Road, Suzhou, Jiangsu 215006, China.
| | - Xiangming Mu
- Department of General Surgery, Yancheng First Hospital, Affiliated Hospital of Nanjing University Medical School and The First people's Hospital of Yancheng, No. 166 Yulongxi Road, Yancheng, Jiangsu 224001, China.
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van de Wal D, Elie M, Le Cesne A, Fumagalli E, den Hollander D, Jones RL, Marquina G, Steeghs N, van der Graaf WTA, Husson O. Health-Related Quality of Life and Side Effects in Gastrointestinal Stromal Tumor (GIST) Patients Treated with Tyrosine Kinase Inhibitors: A Systematic Review of the Literature. Cancers (Basel) 2022; 14:cancers14071832. [PMID: 35406604 PMCID: PMC8997462 DOI: 10.3390/cancers14071832] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 03/30/2022] [Accepted: 04/01/2022] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND The introduction of tyrosine kinase inhibitors (TKIs) has revolutionized the treatment of gastrointestinal stromal tumors (GISTs), resulting in a substantial gain in median overall survival. Subsequently, health-related quality of life (HRQoL) has become more relevant. Here, we systematically review the available literature on HRQoL issues and side effects of different TKIs registered for the treatment of GIST. METHODS A search through five databases was performed. Full reports in English describing HRQoL outcomes and/or side effects in GIST patients on TKI therapy were included. RESULTS A total of 104 papers were included; 13 studies addressed HRQoL, and 96 studies investigated adverse events. HRQoL in patients treated with imatinib, regorafenib, and ripretinib remained stable, whereas most sunitinib-treated patients reported a decrease in HRQoL. Severe fatigue and fear of recurrence or progression were specifically assessed as HRQoL issues and had a negative impact on overall HRQoL as well as psychological and physical well-being. The majority of studies focused on physician-reported side effects. Nearly all GIST patients treated with a TKI experienced at least one adverse event, mostly mild to moderate. CONCLUSIONS Despite the fact that almost all patients treated with a TKI experienced side effects, this did not seem to affect overall HRQoL during TKI therapy. In daily practice, it are the side effects that hamper a patient's HRQoL resulting in treatment adjustments, suggesting that the reported side effects were underestimated by physicians, or the measures used to assess HRQoL do not capture all relevant issues that determine a GIST patient's HRQoL.
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Affiliation(s)
- Deborah van de Wal
- Department of Medical Oncology, The Netherlands Cancer Institute-Antoni van Leeuwenhoek, 1066 CX Amsterdam, The Netherlands; (D.v.d.W.); (N.S.); (W.T.A.v.d.G.)
| | - Mai Elie
- Department of Medical Oncology, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands; (M.E.); (D.d.H.)
| | - Axel Le Cesne
- Department of Medical Oncology, Gustave Roussy, 94805 Villejuif, France;
| | - Elena Fumagalli
- Department of Medical Oncology, IRCCS Foundation National Cancer Institute, 20133 Milan, Italy;
| | - Dide den Hollander
- Department of Medical Oncology, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands; (M.E.); (D.d.H.)
| | - Robin L. Jones
- Department of Clinical Oncology, The Royal Marsden Hospital and Institute of Cancer Research, London SM2 5 NG, UK;
| | - Gloria Marquina
- Department of Medical Oncology, Hospital Clinico San Carlos, 28040 Madrid, Spain;
| | - Neeltje Steeghs
- Department of Medical Oncology, The Netherlands Cancer Institute-Antoni van Leeuwenhoek, 1066 CX Amsterdam, The Netherlands; (D.v.d.W.); (N.S.); (W.T.A.v.d.G.)
- Department of Clinical Pharmacology, The Netherlands Cancer Institute-Antoni van Leeuwenhoek, 1066 CX Amsterdam, The Netherlands
| | - Winette T. A. van der Graaf
- Department of Medical Oncology, The Netherlands Cancer Institute-Antoni van Leeuwenhoek, 1066 CX Amsterdam, The Netherlands; (D.v.d.W.); (N.S.); (W.T.A.v.d.G.)
- Department of Medical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
| | - Olga Husson
- Department of Medical Oncology, The Netherlands Cancer Institute-Antoni van Leeuwenhoek, 1066 CX Amsterdam, The Netherlands; (D.v.d.W.); (N.S.); (W.T.A.v.d.G.)
- Department of Psychosocial Research and Epidemiology, The Netherlands Cancer Institute, 1066 CX Amsterdam, The Netherlands
- Department of Surgical Oncology, Erasmus MC Cancer Institute, Erasmus University Medical Center, 3015 GD Rotterdam, The Netherlands
- Division of Clinical Studies, Institute of Cancer Research, London SM2 5NG, UK
- Correspondence: ; Tel.: +31-614-549-755
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Pilco-Janeta DF, García-Valverde A, Gomez-Peregrina D, Serrano C. Emerging drugs for the treatment of gastrointestinal stromal tumors. Expert Opin Emerg Drugs 2021; 26:53-62. [PMID: 33645383 DOI: 10.1080/14728214.2021.1896704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Oncogenic activation of KIT or PDGFRA receptor tyrosine kinases is the crucial event in gastrointestinal stromal tumor (GIST) biology. Seminal works during the past two decades have underscored, first, the continuous relevance of KIT/PDGFRA oncogenic signaling after progression to targeted inhibition; second, the heterogeneity of KIT/PDGFRA acquired mutations, that cannot be efficiently suppressed by any given tyrosine kinase inhibitor (TKI); and third, the presence of specific mutants highly resistant to all approved therapies. AREAS COVERED This review discusses treatment options in advanced/metastatic GIST, including a detailed dissection of ripretinib and avapritinib, the two novel small molecule inhibitors approved by the Food and Drug Administration in 2020. EXPERT OPINION The three only therapeutic options since 2012 for metastatic GIST patients were imatinib, sunitinib, and regorafenib. Although imatinib was highly effective in treatment-naïve GIST, the benefit of second- and third-line sunitinib and regorafenib was modest, thus emphasizing the medical need for new treatment options. Ripretinib, a switch control inhibitor with broad anti-KIT/PDGFRA activity, has been approved as ≥4th line in GIST after progression to all standard therapies. Avapritinib, a type I TKI highly specific against the multi-resistant PDGFRA D842V mutation, is approved in this specific subset of GIST patients.
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Affiliation(s)
- Daniel F Pilco-Janeta
- Sarcoma Translational Research Laboratory, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Hospital Campus, Barcelona, Spain
| | - Alfonso García-Valverde
- Sarcoma Translational Research Laboratory, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Hospital Campus, Barcelona, Spain
| | - David Gomez-Peregrina
- Sarcoma Translational Research Laboratory, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Hospital Campus, Barcelona, Spain
| | - César Serrano
- Sarcoma Translational Research Laboratory, Vall d'Hebron Institute of Oncology (VHIO), Vall d'Hebron Hospital Campus, Barcelona, Spain.,Department of Medical Oncology, Vall d'Hebron University Hospital, Barcelona, Spain
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Serrano C, Vivancos A, López-Pousa A, Matito J, Mancuso FM, Valverde C, Quiroga S, Landolfi S, Castro S, Dopazo C, Sebio A, Virgili AC, Menso MM, Martín-Broto J, Sansó M, García-Valverde A, Rosell J, Fletcher JA, George S, Carles J, Arribas J. Clinical value of next generation sequencing of plasma cell-free DNA in gastrointestinal stromal tumors. BMC Cancer 2020; 20:99. [PMID: 32024476 PMCID: PMC7003348 DOI: 10.1186/s12885-020-6597-x] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Accepted: 01/31/2020] [Indexed: 02/08/2023] Open
Abstract
Background Gastrointestinal stromal tumor (GIST) initiation and evolution is commonly framed by KIT/PDGFRA oncogenic activation, and in later stages by the polyclonal expansion of resistant subpopulations harboring KIT secondary mutations after the onset of imatinib resistance. Thus, circulating tumor (ct)DNA determination is expected to be an informative non-invasive dynamic biomarker in GIST patients. Methods We performed amplicon-based next-generation sequencing (NGS) across 60 clinically relevant genes in 37 plasma samples from 18 GIST patients collected prospectively. ctDNA alterations were compared with NGS of matched tumor tissue samples (obtained either simultaneously or at the time of diagnosis) and cross-validated with droplet digital PCR (ddPCR). Results We were able to identify cfDNA mutations in five out of 18 patients had detectable in at least one timepoint. Overall, NGS sensitivity for detection of cell-free (cf)DNA mutations in plasma was 28.6%, showing high concordance with ddPCR confirmation. We found that GIST had relatively low ctDNA shedding, and mutations were at low allele frequencies. ctDNA was detected only in GIST patients with advanced disease after imatinib failure, predicting tumor dynamics in serial monitoring. KIT secondary mutations were the only mechanism of resistance found across 10 imatinib-resistant GIST patients progressing to sunitinib or regorafenib. Conclusions ctDNA evaluation with amplicon-based NGS detects KIT primary and secondary mutations in metastatic GIST patients, particularly after imatinib progression. GIST exhibits low ctDNA shedding, but ctDNA monitoring, when positive, reflects tumor dynamics.
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Affiliation(s)
- César Serrano
- Medical Oncology Department, Vall d'Hebron University Hospital, P. Vall d'Hebron 119, 08035, Barcelona, Spain. .,Preclinical Research Program, Vall d'Hebron Institute of Oncology, Barcelona, Spain.
| | - Ana Vivancos
- Cancer Genomics Group,
- Vall d'Hebron Institute of Oncology, Natzaret 115, 08035, Barcelona, Spain.
| | | | - Judit Matito
- Cancer Genomics Group,
- Vall d'Hebron Institute of Oncology, Natzaret 115, 08035, Barcelona, Spain
| | - Francesco M Mancuso
- Cancer Genomics Group,
- Vall d'Hebron Institute of Oncology, Natzaret 115, 08035, Barcelona, Spain
| | - Claudia Valverde
- Medical Oncology Department, Vall d'Hebron University Hospital, P. Vall d'Hebron 119, 08035, Barcelona, Spain
| | - Sergi Quiroga
- Radiology Department, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Stefania Landolfi
- Pathology Department, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Sandra Castro
- Surgical Oncology Division, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Cristina Dopazo
- Surgical Oncology Division, Vall d'Hebron University Hospital, Barcelona, Spain
| | - Ana Sebio
- Medical Oncology, Sant Pau University Hospital, Barcelona, Spain
| | - Anna C Virgili
- Medical Oncology, Sant Pau University Hospital, Barcelona, Spain
| | - María M Menso
- Radiology Department, Sant Pau University Hospital, Barcelona, Spain
| | | | - Miriam Sansó
- Cancer Genomics Group,
- Vall d'Hebron Institute of Oncology, Natzaret 115, 08035, Barcelona, Spain
| | | | - Jordi Rosell
- Preclinical Research Program, Vall d'Hebron Institute of Oncology, Barcelona, Spain
| | - Jonathan A Fletcher
- Pathology Department, Brigham and Women's Hospital/Harvard Medical School, Boston, USA
| | - Suzanne George
- Center for Sarcoma and Bone Oncology, Dana-Farber Cancer Institute, Boston, USA
| | - Joan Carles
- Medical Oncology Department, Vall d'Hebron University Hospital, P. Vall d'Hebron 119, 08035, Barcelona, Spain
| | - Joaquín Arribas
- Preclinical Research Program, Vall d'Hebron Institute of Oncology, Barcelona, Spain.,Institució Catalana de Recerca i Estudis Avançats (ICREA), Barcelona, Spain
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