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Brenner C, Sanders C, Vokuhl C. [Receptor tyrosine kinase- fusions in paediatric spindle cell tumors]. PATHOLOGIE (HEIDELBERG, GERMANY) 2023; 44:357-365. [PMID: 37819532 DOI: 10.1007/s00292-023-01228-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/17/2023] [Indexed: 10/13/2023]
Abstract
Pediatric spindle cell tumors are rare and often difficult to diagnose due to a similar morphology and a non-specific immunohistochemical profile. Genetic characterization of these lesions has been constantly improving, which has led to the identification of new subgroups that were partly included in the WHO classification. Receptor tyrosine kinase fusions play a special role in these tumors and their verification has diagnostic relevance and can be an option for target-oriented therapies. In the case of pediatric spindle cell tumors, genetic fusions form especially with NTRK1‑3, ALK, RET, and ROS1. Overall, pediatric tumors with receptor tyrosine kinase fusions are predominantly low-grade tumors, which are often subdivided into the group of intermediate-malign tumors.
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Affiliation(s)
- Christiane Brenner
- Sektion Kinderpathologie, Institut für Pathologie, Universitätsklinikum Bonn, Venusberg-Campus 1, 53127, Bonn, Deutschland.
| | - Christine Sanders
- Institut für Pathologie, Universitätsklinikum Bonn, Bonn, Deutschland
| | - Christian Vokuhl
- Sektion Kinderpathologie, Institut für Pathologie, Universitätsklinikum Bonn, Venusberg-Campus 1, 53127, Bonn, Deutschland
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2
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Steen EA, Basilaia M, Kim W, Getz T, Gustafson JL, Zage PE. Targeting the RET tyrosine kinase in neuroblastoma: A review and application of a novel selective drug design strategy. Biochem Pharmacol 2023; 216:115751. [PMID: 37595672 PMCID: PMC10911250 DOI: 10.1016/j.bcp.2023.115751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/13/2023] [Accepted: 08/15/2023] [Indexed: 08/20/2023]
Abstract
The RET (REarranged during Transfection) gene, which encodes for a transmembrane receptor tyrosine kinase, is an established oncogene associated with the etiology and progression of multiple types of cancer. Oncogenic RET mutations and rearrangements resulting in gene fusions have been identified in many adult cancers, including medullary and papillary thyroid cancers, lung adenocarcinomas, colon and breast cancers, and many others. While genetic RET aberrations are much less common in pediatric solid tumors, increased RET expression has been shown to be associated with poor prognosis in children with solid tumors such as neuroblastoma, prompting an interest in RET inhibition as a form of therapy for these children. A number of kinase inhibitors currently in use for patients with cancer have RET inhibitory activity, but these inhibitors also display activity against other kinases, resulting in unwanted side effects and limiting their safety and efficacy. Recent efforts have been focused on developing more specific RET inhibitors, but due to high levels of conservation between kinase binding pockets, specificity remains a drug design challenge. Here, we review the background of RET as a potential therapeutic target in neuroblastoma tumors and the results of recent preclinical studies and clinical trials evaluating the safety and efficacy of RET inhibition in adults and children. We also present a novel approach to drug discovery leveraging the chemical phenomenon of atropisomerism to develop specific RET inhibitors and present preliminary data demonstrating the efficacy of a novel RET inhibitor against neuroblastoma tumor cells.
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Affiliation(s)
- Erica A Steen
- Department of Pediatrics, Division of Hematology-Oncology, University of California San Diego, La Jolla, CA
| | - Mariam Basilaia
- Department of Chemistry and Biochemistry, San Diego State University, San Diego, CA; Department of Chemistry and Biochemistry, University of California San Diego, La Jolla, CA
| | - William Kim
- Department of Medicine, University of California San Diego, La Jolla, CA
| | - Taelor Getz
- Department of Pediatrics, Division of Hematology-Oncology, University of California San Diego, La Jolla, CA
| | - Jeffrey L Gustafson
- Department of Chemistry and Biochemistry, San Diego State University, San Diego, CA
| | - Peter E Zage
- Department of Pediatrics, Division of Hematology-Oncology, University of California San Diego, La Jolla, CA; Peckham Center for Cancer and Blood Disorders, Rady Children's Hospital, San Diego, CA.
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3
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Vodicska B, Déri J, Tihanyi D, Várkondi E, Kispéter E, Dóczi R, Lakatos D, Dirner A, Vidermann M, Filotás P, Szalkai-Dénes R, Szegedi I, Bartyik K, Gábor KM, Simon R, Hauser P, Péter G, Kiss C, Garami M, Peták I. Real-world performance analysis of a novel computational method in the precision oncology of pediatric tumors. World J Pediatr 2023; 19:992-1008. [PMID: 36914906 PMCID: PMC10497647 DOI: 10.1007/s12519-023-00700-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 01/31/2023] [Indexed: 03/16/2023]
Abstract
BACKGROUND The utility of routine extensive molecular profiling of pediatric tumors is a matter of debate due to the high number of genetic alterations of unknown significance or low evidence and the lack of standardized and personalized decision support methods. Digital drug assignment (DDA) is a novel computational method to prioritize treatment options by aggregating numerous evidence-based associations between multiple drivers, targets, and targeted agents. DDA has been validated to improve personalized treatment decisions based on the outcome data of adult patients treated in the SHIVA01 clinical trial. The aim of this study was to evaluate the utility of DDA in pediatric oncology. METHODS Between 2017 and 2020, 103 high-risk pediatric cancer patients (< 21 years) were involved in our precision oncology program, and samples from 100 patients were eligible for further analysis. Tissue or blood samples were analyzed by whole-exome (WES) or targeted panel sequencing and other molecular diagnostic modalities and processed by a software system using the DDA algorithm for therapeutic decision support. Finally, a molecular tumor board (MTB) evaluated the results to provide therapy recommendations. RESULTS Of the 100 cases with comprehensive molecular diagnostic data, 88 yielded WES and 12 panel sequencing results. DDA identified matching off-label targeted treatment options (actionability) in 72/100 cases (72%), while 57/100 (57%) showed potential drug resistance. Actionability reached 88% (29/33) by 2020 due to the continuous updates of the evidence database. MTB approved the clinical use of a DDA-top-listed treatment in 56 of 72 actionable cases (78%). The approved therapies had significantly higher aggregated evidence levels (AELs) than dismissed therapies. Filtering of WES results for targeted panels missed important mutations affecting therapy selection. CONCLUSIONS DDA is a promising approach to overcome challenges associated with the interpretation of extensive molecular profiling in the routine care of high-risk pediatric cancers. Knowledgebase updates enable automatic interpretation of a continuously expanding gene set, a "virtual" panel, filtered out from genome-wide analysis to always maximize the performance of precision treatment planning.
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Affiliation(s)
- Barbara Vodicska
- Oncompass Medicine Hungary Kft, Retek Str. 34, Budapest, 1024, Hungary
| | - Júlia Déri
- Oncompass Medicine Hungary Kft, Retek Str. 34, Budapest, 1024, Hungary
| | - Dóra Tihanyi
- Oncompass Medicine Hungary Kft, Retek Str. 34, Budapest, 1024, Hungary
| | - Edit Várkondi
- Oncompass Medicine Hungary Kft, Retek Str. 34, Budapest, 1024, Hungary
| | - Enikő Kispéter
- Oncompass Medicine Hungary Kft, Retek Str. 34, Budapest, 1024, Hungary
| | - Róbert Dóczi
- Oncompass Medicine Hungary Kft, Retek Str. 34, Budapest, 1024, Hungary
| | - Dóra Lakatos
- Oncompass Medicine Hungary Kft, Retek Str. 34, Budapest, 1024, Hungary
| | - Anna Dirner
- Oncompass Medicine Hungary Kft, Retek Str. 34, Budapest, 1024, Hungary
| | - Mátyás Vidermann
- Oncompass Medicine Hungary Kft, Retek Str. 34, Budapest, 1024, Hungary
| | - Péter Filotás
- Oncompass Medicine Hungary Kft, Retek Str. 34, Budapest, 1024, Hungary
| | | | - István Szegedi
- Division of Pediatric Hematology-Oncology, Department of Pediatrics, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Katalin Bartyik
- Department of Pediatrics, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary
| | - Krisztina Míta Gábor
- Department of Pediatrics, Albert Szent-Györgyi Medical School, University of Szeged, Szeged, Hungary
| | - Réka Simon
- Onco-Hematology Department, Velkey László Paediatric Health Centre, Miskolc, Hungary
| | - Péter Hauser
- Department of Paediatrics, Semmelweis University, Budapest, Hungary
| | - György Péter
- Onco-Hematology Department, Heim Pál Children's Hospital, Budapest, Hungary
| | - Csongor Kiss
- Division of Pediatric Hematology-Oncology, Department of Pediatrics, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Miklós Garami
- Department of Paediatrics, Semmelweis University, Budapest, Hungary
| | - István Peták
- Oncompass Medicine Hungary Kft, Retek Str. 34, Budapest, 1024, Hungary.
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, Budapest, Hungary.
- Department of Pharmaceutical Sciences, University of Illinois at Chicago, Chicago, USA.
- Genomate Health, Cambridge, MA, USA.
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Loh AHP, Thura M, Gupta A, Tan SH, Kuan KKY, Ang KH, Merchant K, Chang KTE, Yon HY, Chen Y, Cheng MHW, Mahadev A, Ng MCH, Seng MSF, Iyer P, Chia PL, Soh SY, Zeng Q. Exploiting frequent and specific expression of PRL3 in pediatric solid tumors for first-in-child use of PRL3-zumab humanized antibody. Mol Ther Oncolytics 2023; 30:153-166. [PMID: 37674627 PMCID: PMC10477756 DOI: 10.1016/j.omto.2023.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Accepted: 08/15/2023] [Indexed: 09/08/2023] Open
Abstract
Phosphatase of regenerating liver 3 (PRL3) is a specific tumor antigen overexpressed in a broad range of adult cancer types. However, its physiological expression in pediatric embryonal and mesenchymal tumors and its association with clinical outcomes in children is unknown. We sought to profile the expression of PRL3 in pediatric tumors in relation to survival outcomes, expression of angiogenesis markers, and G-protein-coupled receptor (GPCR)-mitogen-activated protein kinase (MAPK) signaling targets. PRL3-zumab, a first-in-class humanized antibody, was administered in a dose escalation schedule in a first-in-child clinical trial to study toxicity, pharmacokinetics, and clinical outcomes. Among 64 pediatric tumors, PRL3 was most frequently expressed in neuroblastoma (100%), rhabdomyosarcoma and non-rhabdomyosarcoma soft tissue sarcomas (71%), and renal sarcomas (60%) but absent in paired normal tissues. PRL3 was expressed in 75% of relapsed tumors and associated with shorter median event-free survival. Microarray profiling of PRL3-positive tumors showed elevation of angiogenin, TIMP1 and TIMP2, and GPCR-MAPK signaling proteins that commonly interacted with PRL3. The first use of PRL3-zumab in a pediatric patient saw no adverse events. A 28.6% reduction in maximum target lesion diameter was achieved when PRL3-zumab was administered concurrently with hypofractionated radiation. These findings support wider exploration of PRL3 expression in embryonal and mesenchymal tumors and further clinical application of PRL3-zumab in pediatric patients.
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Affiliation(s)
- Amos Hong Pheng Loh
- VIVA-KKH Paediatric Brain and Solid Tumour Programme, Children’s Blood and Cancer Centre, KK Women’s and Children’s Hospital Singapore 229899, Singapore
- Duke-NUS School of Medicine, Singapore 169857, Singapore
- Department of Paediatric Surgery, KK Women’s and Children’s Hospital, Singapore 229899, Singapore
| | - Min Thura
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology, and Research (A∗STAR), Singapore 138673, Singapore
| | - Abhishek Gupta
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology, and Research (A∗STAR), Singapore 138673, Singapore
| | - Sheng Hui Tan
- VIVA-KKH Paediatric Brain and Solid Tumour Programme, Children’s Blood and Cancer Centre, KK Women’s and Children’s Hospital Singapore 229899, Singapore
| | - Kelvin Kam Yew Kuan
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology, and Research (A∗STAR), Singapore 138673, Singapore
| | - Koon Hwee Ang
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology, and Research (A∗STAR), Singapore 138673, Singapore
| | - Khurshid Merchant
- VIVA-KKH Paediatric Brain and Solid Tumour Programme, Children’s Blood and Cancer Centre, KK Women’s and Children’s Hospital Singapore 229899, Singapore
- Duke-NUS School of Medicine, Singapore 169857, Singapore
- Department of Pathology and Laboratory Medicine, KK Women’s and Children’s Hospital, Singapore 229899, Singapore
| | - Kenneth Tou En Chang
- VIVA-KKH Paediatric Brain and Solid Tumour Programme, Children’s Blood and Cancer Centre, KK Women’s and Children’s Hospital Singapore 229899, Singapore
- Duke-NUS School of Medicine, Singapore 169857, Singapore
- Department of Pathology and Laboratory Medicine, KK Women’s and Children’s Hospital, Singapore 229899, Singapore
| | - Hui Yi Yon
- Department of Pathology and Laboratory Medicine, KK Women’s and Children’s Hospital, Singapore 229899, Singapore
| | - Yong Chen
- Duke-NUS School of Medicine, Singapore 169857, Singapore
- Department of Paediatric Surgery, KK Women’s and Children’s Hospital, Singapore 229899, Singapore
| | - Mathew Hern Wang Cheng
- Department of Orthopaedic Surgery, KK Women’s and Children’s Hospital, Singapore 229899, Singapore
| | - Arjandas Mahadev
- Duke-NUS School of Medicine, Singapore 169857, Singapore
- Department of Orthopaedic Surgery, KK Women’s and Children’s Hospital, Singapore 229899, Singapore
| | - Matthew Chau Hsien Ng
- Duke-NUS School of Medicine, Singapore 169857, Singapore
- Department of GI Oncology, National Cancer Centre Singapore, Singapore 229899, Singapore
| | - Michaela Su-Fern Seng
- VIVA-KKH Paediatric Brain and Solid Tumour Programme, Children’s Blood and Cancer Centre, KK Women’s and Children’s Hospital Singapore 229899, Singapore
- Duke-NUS School of Medicine, Singapore 169857, Singapore
- Department of Paediatric Subspecialties Haematology/Oncology Service, KK Women’s and Children’s Hospital, Singapore 229899, Singapore
| | - Prasad Iyer
- VIVA-KKH Paediatric Brain and Solid Tumour Programme, Children’s Blood and Cancer Centre, KK Women’s and Children’s Hospital Singapore 229899, Singapore
- Duke-NUS School of Medicine, Singapore 169857, Singapore
- Department of Paediatric Subspecialties Haematology/Oncology Service, KK Women’s and Children’s Hospital, Singapore 229899, Singapore
| | - Pei Ling Chia
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology, and Research (A∗STAR), Singapore 138673, Singapore
| | - Shui Yen Soh
- VIVA-KKH Paediatric Brain and Solid Tumour Programme, Children’s Blood and Cancer Centre, KK Women’s and Children’s Hospital Singapore 229899, Singapore
- Duke-NUS School of Medicine, Singapore 169857, Singapore
- Department of Paediatric Subspecialties Haematology/Oncology Service, KK Women’s and Children’s Hospital, Singapore 229899, Singapore
| | - Qi Zeng
- Institute of Molecular and Cell Biology (IMCB), Agency for Science, Technology, and Research (A∗STAR), Singapore 138673, Singapore
- Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119260, Singapore
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Cheng Y, Huang D, Zhou J, Zhou C, Sun Y, Wu L, Guo Y, Jingxin S, Zhang W, Lu S. Intracranial Activity of Selpercatinib in Chinese Patients With Advanced RET Fusion-Positive Non-Small-Cell Lung Cancer in the Phase II LIBRETTO-321 Trial. JCO Precis Oncol 2023; 7:e2200708. [PMID: 37315261 PMCID: PMC10309543 DOI: 10.1200/po.22.00708] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/16/2023] [Accepted: 04/25/2023] [Indexed: 06/16/2023] Open
Abstract
PURPOSE Selpercatinib, a highly selective, potent RET inhibitor with CNS activity, demonstrated sustained antitumor responses and intracranial activity in patients with RET-altered advanced non-small-cell lung cancer (NSCLC) in the global LIBRETTO-001 and Chinese LIBRETTO-321 trials. We report a prospective case series based on updated data from patients with brain metastases at baseline in LIBRETTO-321. MATERIALS AND METHODS We included patients with advanced NSCLC and brain metastasis with a centrally confirmed KIF5B/CCDC6/NCOA4-RET fusion. Patients with previously treated or untreated CNS metastases were included if asymptomatic or neurologically stable. Patients received oral selpercatinib 160 mg, twice daily, until progression. Objective systemic and intracranial response was independently assessed per RECIST v1.1. The data cutoff (DCO) was March 31, 2022. RESULTS In total, 8/26 (31%) patients were included: 1/8 (13%) had previous brain surgery but no previous systemic therapy and 3/8 (38%) had received brain radiotherapy. Best overall systemic response was partial response (PR) in 6/8 patients (75%) and stable disease (SD) in 2/8 (25%). Among patients with measurable baseline CNS lesions, 4/5 (80%) achieved a confirmed intracranial response (3/5 PRs and 1/5 complete response [CR]). The best overall intracranial response was CR in 3/8 (38%), PR in 3/8 (38%), and SD in 1/8 (13%) and nonprogressive disease/non-CR in 1/8 (13%); 2/8 patients (25%) had CNS-only disease progression. The duration of treatment was 2.8-24.0 months, and 5/8 patients (63%) had treatment ongoing at DCO. Of 8 patients, 5 (63%) had grade ≥3 treatment-related adverse events (TRAEs) requiring dose modification. There were no treatment discontinuations because of TRAEs. CONCLUSION Selpercatinib demonstrated clinically meaningful and durable intracranial activity in Chinese patients with brain metastases from RET-altered NSCLC, consistent with the global LIBRETTO-001 trial.
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Affiliation(s)
- Ying Cheng
- Department of Thoracic Oncology, Jilin Cancer Hospital, Changchun, China
| | - Dingzhi Huang
- Department of Thoracic Oncology, Tianjin Medical University Cancer Institute and Hospital, Tianjin, China
| | - Jianying Zhou
- Department of Respiratory Diseases, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, China
| | - Chengzhi Zhou
- Respiratory Medicine Department, State Key Laboratory of Respiratory Disease, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yuping Sun
- Department of Oncology, Jinan Central Hospital Affiliated to Shandong University, Jinan, China
| | - Lin Wu
- Hunan Cancer Hospital/The Affiliated Cancer Hospital of Xiangya School of Medicine, Central South University, Hunan, China
| | - Ye Guo
- Department of Medical Oncology, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, China
| | - Shao Jingxin
- Department of Oncology, Eli Lilly and Company, Shanghai, China
| | - Wanli Zhang
- Department of Oncology, Eli Lilly and Company, Shanghai, China
| | - Shun Lu
- Department of Medical Oncology, Shanghai Chest Hospital, School of Medicine, Shanghai JiaoTong University, Shanghai, China
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Michal M, Ud Din N, Švajdler M, Klubíčková N, Ptáková N, Hájková V, Michal M, Agaimy A. TFG::MET-rearranged soft tissue tumor: A rare infantile neoplasm with a distinct low-grade triphasic morphology. Genes Chromosomes Cancer 2023; 62:290-296. [PMID: 36464850 DOI: 10.1002/gcc.23111] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 11/24/2022] [Accepted: 11/26/2022] [Indexed: 12/08/2022] Open
Abstract
This article presents 2 cases of TFG::MET-rearranged mesenchymal tumor, an extremely rare molecular subset among an emerging group of mesenchymal neoplasms with kinase gene (NTRK, BRAF, RET and others) alterations. Both tumors were congenital, occurred in female patients and presented as huge masses on the trunk and thigh, measuring 18 and 20 cm in the largest dimension. Both cases showed identical areas with a distinctive triphasic morphology resembling fibrous hamartoma of infancy (FHI), consisting of haphazardly arranged ovoid to spindled cells traversed by variably cellular and hyalinized fascicles admixed with (most likely non-neoplastic) adipose tissue. In other areas, a high-grade infantile fibrosarcoma/malignant peripheral nerve sheath tumor-like (IFS/MPNST-like) morphology was present in both cases. While the first case co-expressed CD34 and S100 protein, the other case did not. When combined with the three previously reported MET-rearranged cases (of which two harbored TFG::MET fusion), 3/5 and 3/4 of MET-rearranged and TFG::MET fusion-associated tumors, respectively exhibited similar triphasic FHI-like low-grade morphology. This points toward the existence of a relatively distinct morphological subset among kinase-fusion-associated tumors which seems to be strongly associated with MET fusions. It seems some of these low-grade cases may transform into a high-grade variant with IFS/MPNST-like morphology as has been observed in other tumors with kinase gene fusions. While most cases seem to follow an indolent clinical course, the recognition of these tumors is clinically relevant as MET tyrosine kinase inhibitors might represent an effective treatment option for clinically aggressive or unresectable cases.
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Affiliation(s)
- Michael Michal
- Department of Pathology, Charles University, Faculty of Medicine in Plzen, Plzen, Czech Republic.,Bioptical Laboratory, Ltd., Plzen, Czech Republic
| | - Nasir Ud Din
- Section of Histopathology, Department of Pathology and Laboratory Medicine, Aga Khan University Hospital, Karachi, Pakistan
| | - Marián Švajdler
- Department of Pathology, Charles University, Faculty of Medicine in Plzen, Plzen, Czech Republic.,Bioptical Laboratory, Ltd., Plzen, Czech Republic
| | - Natálie Klubíčková
- Department of Pathology, Charles University, Faculty of Medicine in Plzen, Plzen, Czech Republic.,Bioptical Laboratory, Ltd., Plzen, Czech Republic
| | | | | | - Michal Michal
- Department of Pathology, Charles University, Faculty of Medicine in Plzen, Plzen, Czech Republic.,Bioptical Laboratory, Ltd., Plzen, Czech Republic
| | - Abbas Agaimy
- Institute of Pathology, Friedrich-Alexander University Erlangen-Nürnberg, University Hospital, Erlangen, Germany
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7
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Zhao M, Yin X, He H, Xia Q, Ru G. Recurrent RET fusions in fibrosarcoma-like neoplasms in adult viscera: expanding the clinicopathological and genetic spectrum. Histopathology 2023; 82:633-645. [PMID: 36443894 DOI: 10.1111/his.14847] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 11/23/2022] [Accepted: 11/24/2022] [Indexed: 11/30/2022]
Abstract
AIMS RET-fused mesenchymal neoplasms mostly affect the soft tissue of paediatric patients. Given their responsiveness to selective RET inhibitors, it remains critical to identify those extraordinary cases occurring in the visceral organs of adults. In this study, we report three RET-rearranged spindle-cell tumours occurring in the visceral organs of adults. METHODS AND RESULTS Clinicopathological features were assessed and partner agnostic targeted next-generation sequencing on clinically validated platforms were performed. The patients were 18, 53, and 55 years old and included one male and two females. The tumours were located in the kidney (case 1), small intestine (case 2), and ureter (case 3), with maximum diameters of 14, 5, and 1 cm, respectively. Histologically, all tumours displayed a morphological spectrum typical of fibrosarcoma, including moderately to highly cellular, nonpleomorphic, ovoid to spindle-shaped cells arranged in long fascicles or haphazardly within collagenised to myxohyaline stroma. Foci of irregular alveolar oedema-like structures and areas with microcystic and reticular arrangements were identified in the renal tumour. Staghorn-type vessels and foci of band-like stromal hyalinisation were observed in the small intestine tumour. Cases 1 and 2 were high-grade and pursed a highly aggressive clinical course, while case 3 was of intermediate grade with no tumour recurrence or metastasis 14 years after surgery. All three tumours expressed CD34, which was coexpressed with S100 protein in cases 2 and 3. Molecular genetic testing revealed PRKAR1A::RET, KIF5B::RET, and SPECC1L::RET in-frame gene fusions. CONCLUSION Our study expands the clinicopathological and genetic spectrum of mesenchymal neoplasms associated with RET fusions.
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Affiliation(s)
- Ming Zhao
- Cancer Center, Department of Pathology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China
| | - Xiaona Yin
- Department of Pathology, Hangzhou Women's Hospital, Hangzhou, China
| | - Huiying He
- Department of Pathology, School of Basic Medical Sciences, Third Hospital, Peking University Health Science Center, Beijing, China
| | - Qiuyuan Xia
- Department of Pathology, Affiliated Jinling Hospital, Medical School of Nanjing University, Nanjing, China
| | - Guoqing Ru
- Cancer Center, Department of Pathology, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China
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8
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Candido MF, Medeiros M, Veronez LC, Bastos D, Oliveira KL, Pezuk JA, Valera ET, Brassesco MS. Drugging Hijacked Kinase Pathways in Pediatric Oncology: Opportunities and Current Scenario. Pharmaceutics 2023; 15:pharmaceutics15020664. [PMID: 36839989 PMCID: PMC9966033 DOI: 10.3390/pharmaceutics15020664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 02/18/2023] Open
Abstract
Childhood cancer is considered rare, corresponding to ~3% of all malignant neoplasms in the human population. The World Health Organization (WHO) reports a universal occurrence of more than 15 cases per 100,000 inhabitants around the globe, and despite improvements in diagnosis, treatment and supportive care, one child dies of cancer every 3 min. Consequently, more efficient, selective and affordable therapeutics are still needed in order to improve outcomes and avoid long-term sequelae. Alterations in kinases' functionality is a trademark of cancer and the concept of exploiting them as drug targets has burgeoned in academia and in the pharmaceutical industry of the 21st century. Consequently, an increasing plethora of inhibitors has emerged. In the present study, the expression patterns of a selected group of kinases (including tyrosine receptors, members of the PI3K/AKT/mTOR and MAPK pathways, coordinators of cell cycle progression, and chromosome segregation) and their correlation with clinical outcomes in pediatric solid tumors were accessed through the R2: Genomics Analysis and Visualization Platform and by a thorough search of published literature. To further illustrate the importance of kinase dysregulation in the pathophysiology of pediatric cancer, we analyzed the vulnerability of different cancer cell lines against their inhibition through the Cancer Dependency Map portal, and performed a search for kinase-targeted compounds with approval and clinical applicability through the CanSAR knowledgebase. Finally, we provide a detailed literature review of a considerable set of small molecules that mitigate kinase activity under experimental testing and clinical trials for the treatment of pediatric tumors, while discuss critical challenges that must be overcome before translation into clinical options, including the absence of compounds designed specifically for childhood tumors which often show differential mutational burdens, intrinsic and acquired resistance, lack of selectivity and adverse effects on a growing organism.
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Affiliation(s)
- Marina Ferreira Candido
- Department of Cell Biology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Mariana Medeiros
- Regional Blood Center, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - Luciana Chain Veronez
- Department of Pediatrics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - David Bastos
- Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-901, SP, Brazil
| | - Karla Laissa Oliveira
- Department of Biology, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto, University of São Paulo, Ribeirão Preto 14040-901, SP, Brazil
| | - Julia Alejandra Pezuk
- Departament of Biotechnology and Innovation, Anhanguera University of São Paulo, UNIAN/SP, São Paulo 04119-001, SP, Brazil
| | - Elvis Terci Valera
- Department of Pediatrics, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto 14049-900, SP, Brazil
| | - María Sol Brassesco
- Departament of Biotechnology and Innovation, Anhanguera University of São Paulo, UNIAN/SP, São Paulo 04119-001, SP, Brazil
- Correspondence: ; Tel.: +55-16-3315-9144; Fax: +55-16-3315-4886
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Gou Q, Gan X, Li L, Gou Q, Zhang T. Precious Gene: The Application of RET-Altered Inhibitors. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27248839. [PMID: 36557971 PMCID: PMC9784389 DOI: 10.3390/molecules27248839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 12/03/2022] [Accepted: 12/09/2022] [Indexed: 12/14/2022]
Abstract
The well-known proto-oncogene rearrangement during transfection (RET), also known as ret proto-oncogene Homo sapiens (human), is a rare gene that is involved in the physiological development of some organ systems and can activate various cancers, such as non-small cell lung cancer, thyroid cancer, and papillary thyroid cancer. In the past few years, cancers with RET alterations have been treated with multikinase inhibitors (MKIs). However, because of off-target effects, these MKIs have developed drug resistance and some unacceptable adverse effects. Therefore, these MKIs are limited in their clinical application. Thus, the novel highly potent and RET-specific inhibitors selpercatinib and pralsetinib have been accelerated for approval by the Food and Drug Administration (FDA), and clinical trials of TPX-0046 and zetletinib are underway. It is well tolerated and a potential therapeutic for RET-altered cancers. Thus, we will focus on current state-of-the-art therapeutics with these novel RET inhibitors and show their efficacy and safety in therapy.
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Affiliation(s)
- Qitao Gou
- Department of Oncology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong, Chongqing 400016, China
| | - Xiaochuan Gan
- Department of Oncology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong, Chongqing 400016, China
| | - Longhao Li
- Department of Oncology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong, Chongqing 400016, China
| | - Qiheng Gou
- Department of Radiotherapy, Cancer Center, West China Hospital, Sichuan University, Chengdu 610041, China
- Correspondence: (Q.G.); (T.Z.)
| | - Tao Zhang
- Department of Oncology, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Road, Yuzhong, Chongqing 400016, China
- Correspondence: (Q.G.); (T.Z.)
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10
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Kucharczyk T, Krawczyk P, Kowalski DM, Płużański A, Kubiatowski T, Kalinka E. RET Proto-Oncogene-Not Such an Obvious Starting Point in Cancer Therapy. Cancers (Basel) 2022; 14:5298. [PMID: 36358717 PMCID: PMC9657474 DOI: 10.3390/cancers14215298] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Revised: 10/13/2022] [Accepted: 10/14/2022] [Indexed: 11/26/2023] Open
Abstract
Mutations and fusions of RET (rearranged during transfection) gene are detected in a few common types of tumors including thyroid or non-small cells lung cancers. Multiple kinase inhibitors (MKIs) do not show spectacular effectiveness in patients with RET-altered tumors. Hence, recently, two novel RET-specific inhibitors were registered in the US and in Europe. Selpercatinib and pralsetinib showed high efficacy in clinical trials, with fewer adverse effects, in comparison to previously used MKIs. However, the effectiveness of these new drugs may be reduced by the emergence of resistance mutations in RET gene and activation of different activating signaling pathways. This review presents the function of the normal RET receptor, types of molecular disturbances of the RET gene in patients with various cancers, methods of detecting these abnormalities, and the effectiveness of modern anticancer therapies (ranging from immunotherapies, through MKIs, to RET-specific inhibitors).
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Affiliation(s)
- Tomasz Kucharczyk
- Chair and Department of Pneumonology, Oncology and Allergology, Medical University of Lublin, 20-059 Lublin, Poland
| | - Paweł Krawczyk
- Chair and Department of Pneumonology, Oncology and Allergology, Medical University of Lublin, 20-059 Lublin, Poland
| | - Dariusz M. Kowalski
- Department of Lung and Thoracic Tumours, Maria Skłodowskiej-Curie National Research Institute, 02-718 Warsaw, Poland
| | - Adam Płużański
- Department of Lung and Thoracic Tumours, Maria Skłodowskiej-Curie National Research Institute, 02-718 Warsaw, Poland
| | - Tomasz Kubiatowski
- Oncology and Immunology Clinic, Warmian-Masurian Cancer Center of the Ministry of the Interior and Administration’s Hospital, 10-228 Olsztyn, Poland
| | - Ewa Kalinka
- Department of Oncology, Polish Mother’s Memorial Hospital-Research Institute, 90-302 Lodz, Poland
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11
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Tabata J, Nakaoku T, Araki M, Yoshino R, Kohsaka S, Otsuka A, Ikegami M, Ui A, Kanno SI, Miyoshi K, Matsumoto S, Sagae Y, Yasui A, Sekijima M, Mano H, Okuno Y, Okamoto A, Kohno T. Novel Calcium-Binding Ablating Mutations Induce Constitutive RET Activity and Drive Tumorigenesis. Cancer Res 2022; 82:3751-3762. [PMID: 36166639 PMCID: PMC9574375 DOI: 10.1158/0008-5472.can-22-0834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2022] [Revised: 07/13/2022] [Accepted: 08/11/2022] [Indexed: 01/07/2023]
Abstract
Distinguishing oncogenic mutations from variants of unknown significance (VUS) is critical for precision cancer medicine. Here, computational modeling of 71,756 RET variants for positive selection together with functional assays of 110 representative variants identified a three-dimensional cluster of VUSs carried by multiple human cancers that cause amino acid substitutions in the calmodulin-like motif (CaLM) of RET. Molecular dynamics simulations indicated that CaLM mutations decrease interactions between Ca2+ and its surrounding residues and induce conformational distortion of the RET cysteine-rich domain containing the CaLM. RET-CaLM mutations caused ligand-independent constitutive activation of RET kinase by homodimerization mediated by illegitimate disulfide bond formation. RET-CaLM mutants possessed oncogenic and tumorigenic activities that could be suppressed by tyrosine kinase inhibitors targeting RET. This study identifies calcium-binding ablating mutations as a novel type of oncogenic mutation of RET and indicates that in silico-driven annotation of VUSs of druggable oncogenes is a promising strategy to identify targetable driver mutations. SIGNIFICANCE Comprehensive proteogenomic and in silico analyses of a vast number of VUSs identify a novel set of oncogenic and druggable mutations in the well-characterized RET oncogene.
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Affiliation(s)
- Junya Tabata
- Division of Genome Biology, National Cancer Center Research Institute, Tokyo, Japan.,Department of Obstetrics and Gynecology, The Jikei University School of Medicine, Tokyo, Japan
| | - Takashi Nakaoku
- Division of Genome Biology, National Cancer Center Research Institute, Tokyo, Japan.,Corresponding Authors: Takashi Nakaoku, Division of Genome Biology, National Cancer Center Research Institute, 5-1-1, Tsukiji, Chuo-ku, Tokyo 104-0045, Japan. Phone: 813-3542-2511; E-mail: ; and Takashi Kohno, Division of Genome Biology, National Cancer Center Research Institute, 5-1-1, Tsukiji, Chuo-ku, Tokyo 104-0045, Japan. Phone: 813-3547-5272; E-mail:
| | - Mitsugu Araki
- Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ryunosuke Yoshino
- Transborder Medical Research Center, University of Tsukuba, Ibaraki, Japan
| | - Shinji Kohsaka
- Division of Cellular Signaling, National Cancer Center Research Institute, Tokyo, Japan
| | - Ayaka Otsuka
- Division of Genome Biology, National Cancer Center Research Institute, Tokyo, Japan
| | - Masachika Ikegami
- Division of Cellular Signaling, National Cancer Center Research Institute, Tokyo, Japan
| | - Ayako Ui
- Department of Molecular Oncology, Institute of Development, Aging, and Cancer, Tohoku University, Sendai, Japan
| | - Shin-ichiro Kanno
- Department of Molecular Oncology, Institute of Development, Aging, and Cancer, Tohoku University, Sendai, Japan
| | - Keiko Miyoshi
- Division of Genome Biology, National Cancer Center Research Institute, Tokyo, Japan
| | | | - Yukari Sagae
- Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Akira Yasui
- IDAC Fellow Laboratory, Institute of Development, Aging, and Cancer, Tohoku University, Sendai, Japan
| | - Masakazu Sekijima
- Department of Computer Science, Tokyo Institute of Technology, Yokohama, Japan
| | - Hiroyuki Mano
- Division of Cellular Signaling, National Cancer Center Research Institute, Tokyo, Japan
| | - Yasushi Okuno
- Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Aikou Okamoto
- Department of Obstetrics and Gynecology, The Jikei University School of Medicine, Tokyo, Japan
| | - Takashi Kohno
- Division of Genome Biology, National Cancer Center Research Institute, Tokyo, Japan.,Corresponding Authors: Takashi Nakaoku, Division of Genome Biology, National Cancer Center Research Institute, 5-1-1, Tsukiji, Chuo-ku, Tokyo 104-0045, Japan. Phone: 813-3542-2511; E-mail: ; and Takashi Kohno, Division of Genome Biology, National Cancer Center Research Institute, 5-1-1, Tsukiji, Chuo-ku, Tokyo 104-0045, Japan. Phone: 813-3547-5272; E-mail:
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12
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Verrienti A, Grani G, Sponziello M, Pecce V, Damante G, Durante C, Russo D, Filetti S. Precision oncology for RET-related tumors. Front Oncol 2022; 12:992636. [PMID: 36091144 PMCID: PMC9449844 DOI: 10.3389/fonc.2022.992636] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Accepted: 07/29/2022] [Indexed: 12/05/2022] Open
Abstract
Aberrant activation of the RET proto-oncogene is implicated in a plethora of cancers. RET gain-of-function point mutations are driver events in multiple endocrine neoplasia 2 (MEN2) syndrome and in sporadic medullary thyroid cancer, while RET rearrangements are driver events in several non-medullary thyroid cancers. Drugs able to inhibit RET have been used to treat RET-mutated cancers. Multikinase inhibitors were initially used, though they showed modest efficacy and significant toxicity. However, new RET selective inhibitors, such as selpercatinib and pralsetinib, have recently been tested and have shown good efficacy and tolerability, even if no direct comparison is yet available between multikinase and selective inhibitors. The advent of high-throughput technology has identified cancers with rare RET alterations beyond point mutations and fusions, including RET deletions, raising questions about whether these alterations have a functional effect and can be targeted by RET inhibitors. In this mini review, we focus on tumors with RET deletions, including deletions/insertions (indels), and their response to RET inhibitors.
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Affiliation(s)
- Antonella Verrienti
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | - Giorgio Grani
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
- *Correspondence: Giorgio Grani,
| | - Marialuisa Sponziello
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | - Valeria Pecce
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | | | - Cosimo Durante
- Department of Translational and Precision Medicine, Sapienza University of Rome, Rome, Italy
| | - Diego Russo
- Department of Health Sciences, University “Magna Graecia” of Catanzaro, Catanzaro, Italy
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13
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Church AJ, Corson LB, Kao PC, Imamovic-Tuco A, Reidy D, Doan D, Kang W, Pinto N, Maese L, Laetsch TW, Kim A, Colace SI, Macy ME, Applebaum MA, Bagatell R, Sabnis AJ, Weiser DA, Glade-Bender JL, Homans AC, Hipps J, Harris H, Manning D, Al-Ibraheemi A, Li Y, Gupta H, Cherniack AD, Lo YC, Strand GR, Lee LA, Pinches RS, Lazo De La Vega L, Harden MV, Lennon NJ, Choi S, Comeau H, Harris MH, Forrest SJ, Clinton CM, Crompton BD, Kamihara J, MacConaill LE, Volchenboum SL, Lindeman NI, Van Allen E, DuBois SG, London WB, Janeway KA. Molecular profiling identifies targeted therapy opportunities in pediatric solid cancer. Nat Med 2022; 28:1581-1589. [PMID: 35739269 PMCID: PMC10953704 DOI: 10.1038/s41591-022-01856-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 05/03/2022] [Indexed: 11/09/2022]
Abstract
To evaluate the clinical impact of molecular tumor profiling (MTP) with targeted sequencing panel tests, pediatric patients with extracranial solid tumors were enrolled in a prospective observational cohort study at 12 institutions. In the 345-patient analytical population, median age at diagnosis was 12 years (range 0-27.5); 298 patients (86%) had 1 or more alterations with potential for impact on care. Genomic alterations with diagnostic, prognostic or therapeutic significance were present in 61, 16 and 65% of patients, respectively. After return of the results, impact on care included 17 patients with a clarified diagnostic classification and 240 patients with an MTP result that could be used to select molecularly targeted therapy matched to identified alterations (MTT). Of the 29 patients who received MTT, 24% had an objective response or experienced durable clinical benefit; all but 1 of these patients received targeted therapy matched to a gene fusion. Of the diagnostic variants identified in 209 patients, 77% were gene fusions. MTP with targeted panel tests that includes fusion detection has a substantial clinical impact for young patients with solid tumors.
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Affiliation(s)
- Alanna J Church
- Boston Children's Hospital, Boston, MA, USA.
- Harvard Medical School, Boston, MA, USA.
| | - Laura B Corson
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Sema4, Stamford, CT, USA
| | | | - Alma Imamovic-Tuco
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Deirdre Reidy
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
- University of Connecticut School of Medicine, Farmington, CT, USA
| | - Duong Doan
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
- University of Massachusetts Medical School, Worcester, MA, USA
| | | | - Navin Pinto
- Seattle Children's Hospital, Seattle, WA, USA
- University of Washington, Seattle, WA, USA
| | - Luke Maese
- Primary Children's Hospital, Salt Lake City, UT, USA
- University of Utah Huntsman Cancer Institute, Salt Lake City, UT, USA
| | - Theodore W Laetsch
- University of Texas Southwestern Medical Center, Dallas, TX, USA
- Children's Hospital of Philadelphia, Philadelphia, PA, USA
- University of Pennsylvania School of Medicine, Philadelphia, PA, USA
| | - AeRang Kim
- Children's National Hospital, Washington, DC, USA
- George Washington University School of Medicine and Health Sciences, Washington, DC, USA
| | - Susan I Colace
- Nationwide Children's Hospital, Columbus, OH, USA
- Ohio State University College of Medicine, Columbus, OH, USA
| | - Margaret E Macy
- Children's Hospital of Colorado, Aurora, CO, USA
- University of Colorado School of Medicine, Aurora, CO, USA
| | - Mark A Applebaum
- University of Chicago, Chicago, IL, USA
- Comer Children's Hospital, Chicago, IL, USA
| | - Rochelle Bagatell
- Children's Hospital of Philadelphia, Philadelphia, PA, USA
- University of Pennsylvania School of Medicine, Philadelphia, PA, USA
| | - Amit J Sabnis
- University of California San Francisco Benioff Children's Hospital, San Francisco, CA, USA
| | - Daniel A Weiser
- Children's Hospital at Montefiore, New York, NY, USA
- Albert Einstein College of Medicine, New York, NY, USA
| | - Julia L Glade-Bender
- Columbia University Irving Medical Center, New York, NY, USA
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Alan C Homans
- University of Vermont Medical Center, Burlington, VT, USA
- University of Vermont, Burlington, VT, USA
| | - John Hipps
- University of North Carolina Medical Center, Chapel Hill, NC, USA
- University of North Carolina-Chapel Hill School of Medicine, Chapel Hill, NC, USA
| | | | | | - Alyaa Al-Ibraheemi
- Boston Children's Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Yvonne Li
- Harvard Medical School, Boston, MA, USA
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Hersh Gupta
- Harvard Medical School, Boston, MA, USA
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Andrew D Cherniack
- Harvard Medical School, Boston, MA, USA
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Ying-Chun Lo
- Boston Children's Hospital, Boston, MA, USA
- Brigham and Women's Hospital, Boston, MA, USA
- Mayo Clinic, Rochester, MN, USA
| | - Gianna R Strand
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
- Loyola University, Chicago, IL, USA
| | - Lobin A Lee
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
- Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - R Seth Pinches
- Boston Children's Hospital, Boston, MA, USA
- Philadelphia College of Osteopathic Medicine, Philadelphia, PA, USA
| | | | | | | | | | - Hannah Comeau
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
| | - Marian H Harris
- Boston Children's Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Suzanne J Forrest
- Harvard Medical School, Boston, MA, USA
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
| | - Catherine M Clinton
- Boston Children's Hospital, Boston, MA, USA
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
| | - Brian D Crompton
- Harvard Medical School, Boston, MA, USA
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
| | - Junne Kamihara
- Harvard Medical School, Boston, MA, USA
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
| | - Laura E MacConaill
- Harvard Medical School, Boston, MA, USA
- Brigham and Women's Hospital, Boston, MA, USA
| | | | - Neal I Lindeman
- Harvard Medical School, Boston, MA, USA
- Brigham and Women's Hospital, Boston, MA, USA
| | - Eliezer Van Allen
- Harvard Medical School, Boston, MA, USA
- Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Dana-Farber Cancer Institute, Boston, MA, USA
| | - Steven G DuBois
- Harvard Medical School, Boston, MA, USA
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
| | - Wendy B London
- Boston Children's Hospital, Boston, MA, USA
- Harvard Medical School, Boston, MA, USA
| | - Katherine A Janeway
- Harvard Medical School, Boston, MA, USA
- Dana-Farber/Boston Children's Cancer and Blood Disorders Center, Boston, MA, USA
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14
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Berlanga P, Pierron G, Lacroix L, Chicard M, Adam de Beaumais T, Marchais A, Harttrampf AC, Iddir Y, Larive A, Soriano Fernandez A, Hezam I, Chevassus C, Bernard V, Cotteret S, Scoazec JY, Gauthier A, Abbou S, Corradini N, André N, Aerts I, Thebaud E, Casanova M, Owens C, Hladun-Alvaro R, Michiels S, Delattre O, Vassal G, Schleiermacher G, Geoerger B. The European MAPPYACTS Trial: Precision Medicine Program in Pediatric and Adolescent Patients with Recurrent Malignancies. Cancer Discov 2022; 12:1266-1281. [PMID: 35292802 PMCID: PMC9394403 DOI: 10.1158/2159-8290.cd-21-1136] [Citation(s) in RCA: 69] [Impact Index Per Article: 34.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 11/03/2021] [Accepted: 02/07/2022] [Indexed: 01/07/2023]
Abstract
ABSTRACT MAPPYACTS (NCT02613962) is an international prospective precision medicine trial aiming to define tumor molecular profiles in pediatric patients with recurrent/refractory malignancies in order to suggest the most adapted salvage treatment. From February 2016 to July 2020, 787 patients were included in France, Italy, Ireland, and Spain. At least one genetic alteration leading to a targeted treatment suggestion was identified in 436 patients (69%) with successful sequencing; 10% of these alterations were considered "ready for routine use." Of 356 patients with follow-up beyond 12 months, 107 (30%) received one or more matched targeted therapies-56% of them within early clinical trials-mainly in the AcSé-ESMART platform trial (NCT02813135). Overall, matched treatment resulted in a 17% objective response rate, and of those patients with ready for routine use alterations, it was 38%. In patients with extracerebral tumors, 76% of actionable alterations detected in tumor tissue were also identified in circulating cell-free DNA (cfDNA). SIGNIFICANCE MAPPYACTS underlines the feasibility of molecular profiling at cancer recurrence in children on a multicenter, international level and demonstrates benefit for patients with selected key drivers. The use of cfDNA deserves validation in prospective studies. Our study highlights the need for innovative therapeutic proof-of-concept trials that address the underlying cancer complexity. This article is highlighted in the In This Issue feature, p. 1171.
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Affiliation(s)
- Pablo Berlanga
- Department of Pediatric and Adolescent Oncology, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France
| | - Gaelle Pierron
- Unité de Génétique Somatique, Service de Génétique, Hospital Group, Institut Curie, Paris, France
| | - Ludovic Lacroix
- Department of Pathology and Laboratory Medicine, Translational Research Laboratory and Biobank, AMMICA, INSERM US23/CNRS UMS3655, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France
| | - Mathieu Chicard
- INSERM U830, Laboratoire de Génétique et Biologie des Cancers, Research Center, PSL Research University, Institut Curie, Paris, France
| | - Tiphaine Adam de Beaumais
- Clinical Research Direction, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France
| | - Antonin Marchais
- INSERM U1015, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France
| | - Anne C. Harttrampf
- Department of Pediatric and Adolescent Oncology, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France
| | - Yasmine Iddir
- INSERM U830, Laboratoire de Génétique et Biologie des Cancers, Research Center, PSL Research University, Institut Curie, Paris, France.,Equipe SiRIC RTOP Recherche Translationelle en Oncologie Pédiatrique, Institut Curie, Paris, France
| | - Alicia Larive
- Biostatistics and Epidemiology Unit, Gustave Roussy Cancer Campus, INSERM U1018, CESP, Université Paris-Saclay, Villejuif, France
| | - Aroa Soriano Fernandez
- Laboratory of Translational Research in Child and Adolescent Cancer, Vall d'Hebron Research Institute (VHIR)-UAB, Barcelona, Spain
| | - Imene Hezam
- Department of Pediatric and Adolescent Oncology, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France
| | - Cecile Chevassus
- Biostatistics and Epidemiology Unit, Gustave Roussy Cancer Campus, INSERM U1018, CESP, Université Paris-Saclay, Villejuif, France
| | - Virginie Bernard
- Institut Curie Genomics of Excellence (ICGex) Platform, Research Center, Institut Curie, Paris, France
| | - Sophie Cotteret
- Department of Pathology and Laboratory Medicine, Translational Research Laboratory and Biobank, AMMICA, INSERM US23/CNRS UMS3655, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France
| | - Jean-Yves Scoazec
- Department of Pathology and Laboratory Medicine, Translational Research Laboratory and Biobank, AMMICA, INSERM US23/CNRS UMS3655, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France
| | - Arnaud Gauthier
- Department of Pathology, PSL Research University, Institut Curie, Paris, France
| | - Samuel Abbou
- Department of Pediatric and Adolescent Oncology, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France
| | - Nadege Corradini
- Department of Pediatric Oncology, Institut d'Hematologie et d'Oncologie Pédiatrique/Centre Léon Bérard, Lyon, France
| | - Nicolas André
- Department of Pediatric Hematology and Oncology, Hôpital de La Timone, AP-HM, Marseille, France.,UMR Inserm 1068, CNRS UMR 7258, Aix Marseille Université U105, Marseille Cancer Research Center (CRCM), Marseille, France
| | - Isabelle Aerts
- SIREDO Oncology Center (Care, Innovation and Research for Children and AYA with Cancer), Institut Curie, PSL Research University, Paris, France
| | - Estelle Thebaud
- Department of Pediatric Oncology, Centre Hospitalier Universitaire, Nantes, France
| | - Michela Casanova
- Pediatric Oncology Unit, Fondazione IRCCS Istituto Nazionale Tumori, Milano, Italy
| | - Cormac Owens
- Paediatric Haematology/Oncology, Children's Health Ireland, Crumlin, Dublin, Republic of Ireland
| | - Raquel Hladun-Alvaro
- Division of Paediatric Haematology and Oncology, Vall d'Hebron Institut de Recerca (VHIR), Vall d'Hebron Hospital Universitari, Vall d'Hebron Barcelona Hospital Campus, Barcelona, Spain
| | - Stefan Michiels
- Biostatistics and Epidemiology Unit, Gustave Roussy Cancer Campus, INSERM U1018, CESP, Université Paris-Saclay, Villejuif, France
| | - Olivier Delattre
- INSERM U830, Laboratoire de Génétique et Biologie des Cancers, Research Center, PSL Research University, Institut Curie, Paris, France.,Institut Curie Genomics of Excellence (ICGex) Platform, Research Center, Institut Curie, Paris, France.,SIREDO Oncology Center (Care, Innovation and Research for Children and AYA with Cancer), Institut Curie, PSL Research University, Paris, France
| | - Gilles Vassal
- Clinical Research Direction, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France
| | - Gudrun Schleiermacher
- INSERM U830, Laboratoire de Génétique et Biologie des Cancers, Research Center, PSL Research University, Institut Curie, Paris, France.,SIREDO Oncology Center (Care, Innovation and Research for Children and AYA with Cancer), Institut Curie, PSL Research University, Paris, France
| | - Birgit Geoerger
- Department of Pediatric and Adolescent Oncology, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France.,INSERM U1015, Gustave Roussy Cancer Campus, Université Paris-Saclay, Villejuif, France.,Corresponding Author: Birgit Geoerger, Department of Pediatric and Adolescent Oncology, Gustave Roussy Cancer Campus, Université Paris-Saclay, 114 Rue Eduard Vaillant, 94805 Villejuif, France. Phone: 33-1-42-11-46-61; Fax: 33-1-42-11-52-75; E-mail:
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15
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Kelly GA, Venkatramani R, Quintanilla NM, Chelius DC, Roy A, Mahajan P. Secretory Carcinoma of the Salivary Gland: A Rarity in Children. J Pediatr Hematol Oncol 2022; 44:167-172. [PMID: 34486543 DOI: 10.1097/mph.0000000000002304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 07/29/2021] [Indexed: 11/27/2022]
Abstract
Originally described as mammary analog secretory carcinoma (SC), SC of the salivary gland is a rare malignancy with morphologic and molecular similarities to SC of the breast. We present 2 children with salivary gland SC with the classic ETV6-NTRK3 gene fusion, including 1 with lymph node metastases. Both patients underwent surgical resection and were in remission 24 months postsurgery. One patient was additionally found to have synchronous papillary thyroid carcinoma with a TFG-MET fusion. A review of published cases highlights the expanding molecular profile and confirms the favorable course of salivary gland SC after surgical resection.
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Affiliation(s)
| | - Rajkumar Venkatramani
- Division of Hematology/Oncology, Department of Pediatrics, Texas Children's Cancer Center
| | | | - Daniel C Chelius
- Otolaryngology Head and Neck Surgery, Baylor College of Medicine, Houston, TX
| | - Angshumoy Roy
- Division of Hematology/Oncology, Department of Pediatrics, Texas Children's Cancer Center
- Departments of Pathology and Immunology
| | - Priya Mahajan
- Division of Hematology/Oncology, Department of Pediatrics, Texas Children's Cancer Center
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16
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Franco AT, Ricarte-Filho JC, Isaza A, Jones Z, Jain N, Mostoufi-Moab S, Surrey L, Laetsch TW, Li MM, DeHart JC, Reichenberger E, Taylor D, Kazahaya K, Adzick NS, Bauer AJ. Fusion Oncogenes Are Associated With Increased Metastatic Capacity and Persistent Disease in Pediatric Thyroid Cancers. J Clin Oncol 2022; 40:1081-1090. [PMID: 35015563 PMCID: PMC8966969 DOI: 10.1200/jco.21.01861] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 10/07/2021] [Accepted: 12/09/2021] [Indexed: 12/15/2022] Open
Abstract
PURPOSE In 2014, data from a comprehensive multiplatform analysis of 496 adult papillary thyroid cancer samples reported by The Cancer Genome Atlas project suggested that reclassification of thyroid cancer into molecular subtypes, RAS-like and BRAF-like, better reflects clinical behavior than sole reliance on pathologic classification. The aim of this study was to categorize the common oncogenic variants in pediatric differentiated thyroid cancer (DTC) and investigate whether mutation subtype classification correlated with the risk of metastasis and response to initial therapy in pediatric DTC. METHODS Somatic cancer gene panel analysis was completed on DTC from 131 pediatric patients. DTC were categorized into RAS-mutant (H-K-NRAS), BRAF-mutant (BRAF p.V600E), and RET/NTRK fusion (RET, NTRK1, and NTRK3 fusions) to determine differences between subtype classification in regard to pathologic data (American Joint Committee on Cancer TNM) as well as response to therapy 1 year after initial treatment had been completed. RESULTS Mutation-based subtype categories were significant in most variables, including age at diagnosis, metastatic behavior, and the likelihood of remission at 1 year. Patients with RET/NTRK fusions were significantly more likely to have advanced lymph node and distant metastasis and less likely to achieve remission at 1 year than patients within RAS- or BRAF-mut subgroups. CONCLUSION Our data support that genetic subtyping of pediatric DTC more accurately reflects clinical behavior than sole reliance on pathologic classification with patients with RET/NTRK fusions having worse outcomes than those with BRAF-mutant disease. Future trials should consider inclusion of molecular subtype into risk stratification.
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Affiliation(s)
- Aime T Franco
- Division of Endocrinology and Diabetes, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Julio C Ricarte-Filho
- Division of Endocrinology and Diabetes, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Amber Isaza
- Division of Endocrinology and Diabetes, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Zachary Jones
- Division of Endocrinology and Diabetes, Children's Hospital of Philadelphia, Philadelphia, PA
- Deceased
| | - Neil Jain
- Division of Endocrinology and Diabetes, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Sogol Mostoufi-Moab
- Division of Endocrinology and Diabetes, Children's Hospital of Philadelphia, Philadelphia, PA
- Division of Oncology, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Lea Surrey
- Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Theodore W Laetsch
- Division of Oncology, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Marilyn M Li
- Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, Philadelphia, PA
| | | | - Erin Reichenberger
- Department of Biomedical and Health Informatics, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Deanne Taylor
- Department of Biomedical and Health Informatics, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Ken Kazahaya
- Division of Pediatric Otolaryngology, Children's Hospital of Philadelphia, Philadelphia, PA
- Department of Surgery, Children's Hospital of Philadelphia, Philadelphia, PA
| | - N Scott Adzick
- Department of Surgery, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Andrew J Bauer
- Division of Endocrinology and Diabetes, Children's Hospital of Philadelphia, Philadelphia, PA
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17
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Rakheja D, Park JY, Fernandes NJ, Watt TC, Laetsch TW, Collins RRJ. Pediatric Non-Myofibroblastic Primitive Spindle Cell Tumors with ALK Gene Rearrangements and Response to Crizotinib. Int J Surg Pathol 2022; 30:706-715. [PMID: 35164578 DOI: 10.1177/10668969221080072] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
We describe two poorly differentiated, non-myofibroblastic (SMA-, S100+, CD34±), spindle cell neoplasms with immunohistochemical positivity for ALK and with ALK gene rearrangements leading to PLEKHH2::ALK and CLTC::ALK fusions, respectively. ALK protein overexpression and/or gene fusions should be evaluated in poorly differentiated spindle cell neoplasms, even when there is an absence of a myofibroblastic phenotype. A positive ALK evaluation has therapeutic implications as both tumors responded to single-agent treatment with the tyrosine kinase inhibitor crizotinib.
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Affiliation(s)
- Dinesh Rakheja
- Department of Pathology, 12334University of Texas Southwestern Medical Center, Dallas, TX, USA.,Children's Health, Dallas, TX, USA
| | - Jason Y Park
- Department of Pathology, 12334University of Texas Southwestern Medical Center, Dallas, TX, USA.,Children's Health, Dallas, TX, USA
| | - Neil J Fernandes
- Children's Health, Dallas, TX, USA.,Department of Radiology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Tanya C Watt
- Children's Health, Dallas, TX, USA.,Division of Pediatric Hematology/Oncology, Department of Pediatrics, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Theodore W Laetsch
- Division of Oncology, 6567Children's Hospital of Philadelphia and Perelman School of Medicine and Abramson Cancer Center, University of Pennsylvania, Philadelphia, PA, USA
| | - Rebecca R J Collins
- Department of Pathology, 12334University of Texas Southwestern Medical Center, Dallas, TX, USA.,Children's Health, Dallas, TX, USA
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18
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Kiriakopoulos A, Dimopoulou A, Nastos C, Dimopoulou D, Dimopoulou K, Menenakos E, Zavras N. Medullary thyroid carcinoma in children: current state of the art and future perspectives. J Pediatr Endocrinol Metab 2022; 35:1-10. [PMID: 34592078 DOI: 10.1515/jpem-2021-0502] [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: 07/27/2021] [Accepted: 09/20/2021] [Indexed: 11/15/2022]
Abstract
Medullary thyroid carcinoma (MTC) is a distinct type of malignant thyroid tumor in cell origin, biological behavior, and natural history. It accounts for 1.6% of all thyroid cancers and presents either sporadically or as a hereditary disease, the latter occurring as a part of multiple endocrine neoplasia (MEN) 2A and MEN2B syndromes or as a familial MTC disease with no other manifestations. The gene responsible for the hereditary form is the rearranged during transfection (RET) gene, a proto-oncogene located to human chromosome 10. Most pediatric MTC cases have been discovered after genetic testing investigations, leading to the concept of prophylactic surgery in presymptomatic patients. Therefore, the genetic status of the child, along with serum calcitonin levels and ultrasonographic findings, determine the appropriate age for prophylactic surgical intervention. Nevertheless, a diagnosis at an early stage of MTC warrants total thyroidectomy and central lymph node dissection with the addition of lateral/contralateral lymph node dissection depending on the tumor size, ultrasonographic evidence of neck disease, or calcitonin levels. Conversely, locally advanced/unresectable or metastatic MTC is primarily treated with multikinase inhibitors, while more specific RET inhibitors are being tested in clinical trials with promising results.
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Affiliation(s)
- Andreas Kiriakopoulos
- Fifth Department of Surgery, "Evgenidion Hospital", National and Kapodistrian University of Athens School of Medicine, Athens, Greece
| | - Anastasia Dimopoulou
- Department of Pediatric Surgery, University General Hospital "ATTIKON", National and Kapodistrian University of Athens School of Medicine, Athens, Greece
| | - Constantinos Nastos
- Third Department of Surgery, University General Hospital "ATTIKON", National and Kapodistrian University of Athens School of Medicine, Athens, Greece
| | - Dimitra Dimopoulou
- Second Department of Pediatrics, "P & A Kyriakou" Children's Hospital, National and Kapodistrian University of Athens School of Medicine, Athens, Greece
| | | | - Evangelos Menenakos
- Fifth Department of Surgery, "Evgenidion Hospital", National and Kapodistrian University of Athens School of Medicine, Athens, Greece
| | - Nikolaos Zavras
- Department of Pediatric Surgery, University General Hospital "ATTIKON", National and Kapodistrian University of Athens School of Medicine, Athens, Greece
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19
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Matrone A, Gambale C, Prete A, Elisei R. Sporadic Medullary Thyroid Carcinoma: Towards a Precision Medicine. Front Endocrinol (Lausanne) 2022; 13:864253. [PMID: 35422765 PMCID: PMC9004483 DOI: 10.3389/fendo.2022.864253] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 03/04/2022] [Indexed: 12/16/2022] Open
Abstract
Medullary thyroid carcinoma (MTC) is a neuroendocrine malignant tumor originating from parafollicular C-cells producing calcitonin. Most of cases (75%) are sporadic while the remaining (25%) are hereditary. In these latter cases medullary thyroid carcinoma can be associated (multiple endocrine neoplasia type IIA and IIB) or not (familial medullary thyroid carcinoma), with other endocrine diseases such as pheochromocytoma and/or hyperparathyroidism. RET gene point mutation is the main molecular alteration involved in MTC tumorigenesis, both in sporadic and in hereditary cases. Total thyroidectomy with prophylactic/therapeutic central compartment lymph nodes dissection is the initial treatment of choice. Further treatments are needed according to tumor burden and rate of progression. Surgical treatments and local therapies are advocated in the case of single or few local or distant metastasis and slow rate of progression. Conversely, systemic treatments should be initiated in cases with large metastatic and rapidly progressive disease. In this review, we discuss the details of systemic treatments in advanced and metastatic sporadic MTC, focusing on multikinase inhibitors, both those already used in clinical practice and under investigation, and on emerging treatments such as highly selective RET inhibitors and radionuclide therapy.
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20
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Adashek JJ, Desai AP, Andreev-Drakhlin AY, Roszik J, Cote GJ, Subbiah V. Hallmarks of RET and Co-occuring Genomic Alterations in RET-aberrant Cancers. Mol Cancer Ther 2021; 20:1769-1776. [PMID: 34493590 PMCID: PMC8492504 DOI: 10.1158/1535-7163.mct-21-0329] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 06/21/2021] [Accepted: 07/23/2021] [Indexed: 01/07/2023]
Abstract
Activating receptor-tyrosine kinase rearranged during transfection (RET) mutations and fusions are potent drivers of oncogenesis. The recent FDA approvals of highly potent and selective RET inhibitors, selpercatinib and pralsetinib, has altered the therapeutic management of RET aberrant tumors. There is ample evidence of the role of RET signaling in certain cancers. RET aberrations as fusions or mutations occur in multiple cancers, however, there is considerable phenotypic diversity. There is emerging data on the lack of responsiveness of immunotherapy in RET-altered cancers. Herein, we review the registrational data from the selective RET-inhibitor trials, and comprehensively explore RET alterations in pan-cancer adult malignancies and their co-alterations. These co-occuring alterations may define the future of RET inhibition from specific selective targeting to customized combination therapies as data are rapidly emerging on both on-target and off-target acquired resistance mechanisms. Fascinatingly, oncogenic RET fusions have been reported to mediate resistance to EGFR inhibition and KRASG12C inhibition.
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Affiliation(s)
- Jacob J. Adashek
- Department of Internal Medicine, University of South Florida, H. Lee Moffitt Cancer Center & Research Institute, Tampa, FL, USA.,H. Lee Moffitt Cancer Center & Research Institute, Digestive Diseases and Nutrition, University of South Florida, Tampa, Florida
| | - Aakash P. Desai
- Division of Medical Oncology, Department of Medicine, Mayo Clinic, Rochester, Minnesota
| | | | - Jason Roszik
- Department of Investigational Cancer Therapeutics, Division of Cancer Medicine, Houston, Texas
| | - Gilbert J. Cote
- Department of Endocrine Neoplasia and Hormonal Disorders, The University of Texas MD Anderson Cancer Center, Houston, Texas
| | - Vivek Subbiah
- Department of Investigational Cancer Therapeutics, Division of Cancer Medicine, Houston, Texas.,Division of Pediatrics, The University of Texas MD Anderson Cancer Center, Houston, Texas.,MD Anderson Cancer Network, The University of Texas MD Anderson Cancer Center, Houston, Texas.,Corresponding Author: Vivek Subbiah, Department of Investigational Cancer Therapeutics, The University of Texas MD Anderson Cancer Center, 1400 Holcombe Boulevard, Unit 455, Faculty Center 8th floor, Houston, TX 77030. Phone: 713-563-1930; Fax: 713-792-0334; E-mail:
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21
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Subbiah V, Gainor JF, Oxnard GR, Tan DSW, Owen DH, Cho BC, Loong HH, McCoach CE, Weiss J, Kim YJ, Bazhenova L, Park K, Daga H, Besse B, Gautschi O, Rolfo C, Zhu EY, Kherani JF, Huang X, Kang S, Drilon A. Intracranial Efficacy of Selpercatinib in RET Fusion-Positive Non-Small Cell Lung Cancers on the LIBRETTO-001 Trial. Clin Cancer Res 2021; 27:4160-4167. [PMID: 34088726 PMCID: PMC8447251 DOI: 10.1158/1078-0432.ccr-21-0800] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/30/2021] [Accepted: 06/02/2021] [Indexed: 11/16/2022]
Abstract
PURPOSE We report the intracranial efficacy of selpercatinib, a highly potent and selective RET inhibitor, approved in the United States for RET fusion-positive non-small cell lung cancers (NSCLC). PATIENTS AND METHODS In the global phase 1/2 LIBRETTO-001 trial (NCT03157128) in advanced RET-altered solid tumors, selpercatinib was dosed orally (160 mg twice every day) in 28-day cycles. Patients with baseline intracranial metastases had MRI/CT scans every 8 weeks for 1 year (12 weeks thereafter). In this pre-planned analysis of patients with RET fusion-positive NSCLC with baseline intracranial metastases, the primary endpoint was independently assessed intracranial objective response rate (ORR) per RECIST 1.1. Secondary endpoints included intracranial disease control rate, intracranial duration of response, and intracranial progression-free survival (PFS) independently reviewed. RESULTS Eighty patients with NSCLC had brain metastases at baseline. Patients were heavily pretreated (median = 2 systemic therapies, range = 0-10); 56% of patients received ≥1 course of intracranial radiation (14% whole brain radiotherapy, 45% stereotactic radiosurgery). Among 22 patients with measurable intracranial disease at baseline, intracranial ORR was 82% [95% confidence interval (CI), 60-95], including 23% with complete responses. Among all intracranial responders (measurable and nonmeasurable, n = 38), median duration of intracranial response was not reached (95% CI, 9.3-NE) at a median duration of follow-up of 9.5 months (IQR = 5.7, 12.0). At 12 months, 55% of intracranial responses were ongoing. In all 80 patients, median intracranial PFS was 13.7 months (95% CI, 10.9-NE) at a median duration of follow-up of 11.0 months (IQR = 7.4, 16.5). No new safety signals were revealed in patients with brain metastases compared with the full NSCLC trial population. CONCLUSIONS Selpercatinib has robust and durable intracranial efficacy in patients with RET fusion-positive NSCLC.
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Affiliation(s)
- Vivek Subbiah
- The University of Texas, MD Anderson Cancer Center, Houston, Texas.
| | - Justin F Gainor
- Massachusetts General Hospital Cancer Center, Boston, Massachusetts
| | | | - Daniel S W Tan
- National Cancer Centre Singapore, Duke-NUS Medical School, Singapore
| | | | - Byoung Chul Cho
- Yonsei Cancer Center, Yonsei University College of Medicine, Seoul, Republic of Korea
| | | | - Caroline E McCoach
- University of California San Francisco, Helen Diller Family Comprehensive Cancer Center, San Francisco, California
| | - Jared Weiss
- University of North Carolina, Chapel Hill, North Carolina
| | - Yu Jung Kim
- Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Gyeonggi-do, Republic of Korea
| | - Lyudmila Bazhenova
- University of California, San Diego Moores Cancer Center, San Diego, California
| | - Keunchil Park
- Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | | | - Benjamin Besse
- Institut Gustav Roussy, Villejuif, France; Paris-Saclay University, Orsay, France
| | - Oliver Gautschi
- University of Berne and Cantonal Hospital of Lucerne, Lucerne, Switzerland
| | - Christian Rolfo
- Greenebaum Comprehensive Cancer Center, University of Maryland School of Medicine, Baltimore, Maryland
- Center for Thoracic Oncology, Tisch Cancer Institute Mount Sinai Medical System- Icahn School of Medicine, Mount Sinai, New York, New York
| | - Edward Y Zhu
- Loxo Oncology, a subsidiary of Eli Lilly and Company, Indianapolis, Indiana
| | - Jennifer F Kherani
- Loxo Oncology, a subsidiary of Eli Lilly and Company, Indianapolis, Indiana
| | - Xin Huang
- Loxo Oncology, a subsidiary of Eli Lilly and Company, Indianapolis, Indiana
| | - Suhyun Kang
- Eli Lilly and Company, Indianapolis, Indiana
| | - Alexander Drilon
- Memorial Sloan Kettering Cancer Center, New York, New York
- Weill Cornell Medical College, New York, New York
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22
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Butler E, Ludwig K, Pacenta HL, Klesse LJ, Watt TC, Laetsch TW. Recent progress in the treatment of cancer in children. CA Cancer J Clin 2021; 71:315-332. [PMID: 33793968 DOI: 10.3322/caac.21665] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 02/01/2021] [Accepted: 02/08/2021] [Indexed: 12/12/2022] Open
Abstract
Although significant improvements have been made in the outcomes of children with cancer, the pace of improvement has slowed in recent years as the limits of therapy intensification may have been reached for many pediatric cancers. Furthermore, with increasing numbers of pediatric cancer survivors, the long-term side effects of treatment have become increasingly apparent. Therefore, attention has shifted to the use of molecularly targeted agents and immunotherapies to improve the outcomes of children who are not cured by traditional cytotoxic chemotherapies and to decrease exposure to cytotoxic chemotherapy and reduce late effects. This review describes the recent progress in the treatment of children with cancer, focusing in particular on diseases in which targeted and immunotherapeutic agents have made an impact.
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Affiliation(s)
- Erin Butler
- Department of Pediatrics and Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center and Children's Health, Dallas, Texas
| | - Kathleen Ludwig
- Department of Pediatrics and Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center and Children's Health, Dallas, Texas
| | - Holly L Pacenta
- Division of Hematology and Oncology, Cook Children's Medical Center, Fort Worth, Texas
| | - Laura J Klesse
- Department of Pediatrics and Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center and Children's Health, Dallas, Texas
| | - Tanya C Watt
- Department of Pediatrics and Harold C. Simmons Comprehensive Cancer Center, University of Texas Southwestern Medical Center and Children's Health, Dallas, Texas
| | - Theodore W Laetsch
- Division of Oncology and Center for Childhood Cancer Research, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania
- Department of Pediatrics and Abramson Cancer Center, University of Pennsylvania, Philadelphia, Pennsylvania
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23
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Abstract
Selpercatinib (RETEVMO™) is a receptor tyrosine kinase RET (rearranged
during transfection) inhibitor being developed by Loxo Oncology for the treatment of
cancers harbouring RET alterations. Based on results from the phase I/II LIBRETTO-001
trial, selpercatinib was recently approved by the US FDA for the treatment of RET fusion-positive non-small-cell lung cancer, RET fusion-positive thyroid cancer and RET-mutant medullary thyroid cancer. This article summarizes
the milestones in the development of selpercatinib leading to this first
approval.
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Affiliation(s)
- Anthony Markham
- Springer Nature, Private Bag 65901, Mairangi Bay, Auckland, 0754, New Zealand.
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24
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Okafor C, Hogan J, Raygada M, Thomas BJ, Akshintala S, Glod JW, Del Rivero J. Update on Targeted Therapy in Medullary Thyroid Cancer. Front Endocrinol (Lausanne) 2021; 12:708949. [PMID: 34489865 PMCID: PMC8416904 DOI: 10.3389/fendo.2021.708949] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Accepted: 07/30/2021] [Indexed: 12/20/2022] Open
Abstract
Medullary thyroid carcinoma (MTC) is a rare neuroendocrine tumor that accounts for 2-4% of all thyroid cancers. All inherited MTC and approximately 50% of sporadic cases are driven by mutations in the REarranged during Transfection (RET) proto-oncogene. The recent expansion of the armamentarium of RET-targeting tyrosine kinase inhibitors (TKIs) has provided effective options for systemic therapy for patients with metastatic and progressive disease. However, patients that develop resistant disease as well as those with other molecular drivers such as RAS have limited options. An improved understanding of mechanisms of resistance to TKIs as well as identification of novel therapeutic targets is needed to improve outcomes for patients with MTC.
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Affiliation(s)
- Christian Okafor
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Julie Hogan
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Margarita Raygada
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Barbara J. Thomas
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Srivandana Akshintala
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - John W. Glod
- Pediatric Oncology Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
| | - Jaydira Del Rivero
- Developmental Therapeutics Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, United States
- *Correspondence: Jaydira Del Rivero,
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