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Diener MK, Fichtner‐Feigl S. Biomarkers in colorectal liver metastases: Rising complexity and unknown clinical significance? Ann Gastroenterol Surg 2021; 5:477-483. [PMID: 34337296 PMCID: PMC8316735 DOI: 10.1002/ags3.12454] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 02/11/2021] [Accepted: 02/26/2021] [Indexed: 12/27/2022] Open
Abstract
Surgical resection of the liver is the standard treatment for colorectal liver metastases, but 70% of patients still experience recurrence, resulting in limited survival. Molecular biomarkers promise guidance within the selection process of individualized treatment and provide better prognostic forecasting of recurrence and response to treatment. Presently, most investigated biomarkers include mutations of KRAS, BRAF, TP53, PIK3CA, APC, expression of Ki-67, and microsatellite instability. As some colorectal cancer tumors exhibit more than one molecular target, in line with a rising number of potential biomarkers, the complexity of their clinical implementation is rising steadily. Therefore, it is important to approach new insights into molecular biomarkers with explicit caution to their clinical applicability and significance, as there are contradictory results arising from multiple available studies and meta-analyses. This review helps to shed light on the complexity of promising biomarkers in both the prognosis and diagnosis of colorectal liver metastases.
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Affiliation(s)
- Markus K. Diener
- Department of General and Visceral SurgeryFaculty of MedicineUniversity of FreiburgFreiburg im BreisgauGermany
| | - Stefan Fichtner‐Feigl
- Department of General and Visceral SurgeryFaculty of MedicineUniversity of FreiburgFreiburg im BreisgauGermany
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2
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Sasaki K, Gagnière J, Dupré A, Ardiles V, O'Connor JM, Wang J, Moro A, Morioka D, Buettner S, Gau L, Ribeiro M, Wagner D, Andreatos N, Løes IM, Fitschek F, Kaczirek K, Lønning PE, Kornprat P, Poultsides G, Kamphues C, Imai K, Baba H, Endo I, Kwon CHD, Aucejo FN, de Santibañes E, Kreis ME, Margonis GA. Performance of two prognostic scores that incorporate genetic information to predict long-term outcomes following resection of colorectal cancer liver metastases: An external validation of the MD Anderson and JHH-MSK scores. JOURNAL OF HEPATO-BILIARY-PANCREATIC SCIENCES 2021; 28:581-592. [PMID: 33797866 DOI: 10.1002/jhbp.963] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 02/21/2021] [Accepted: 03/26/2021] [Indexed: 01/02/2023]
Abstract
INTRODUCTION Two novel clinical risk scores (CRS) that incorporate KRAS mutation status were developed: modified CRS (mCRS) and GAME score. However, they have not been tested in large national and international cohorts. The aim of this study was to validate the prognostic discrimination utility and determine the clinical usefulness of the two novel CRS. METHODS Patients undergoing hepatectomy for CRLM (2000-2018) in 10 centers were included. The discriminatory abilities of mCRS, GAME, and Fong CRS were evaluated using Harrell's C-index and Akaike's Information Criterion. RESULTS In the entire cohort, the C-index of the GAME score (0.61) was significantly higher than those of Fong score (0.57) and mCRS (0.54), while the C-Index of mCRS was significantly lower than that of Fong score. When we compared the models in the various geographical regions, the C-index of GAME score was significantly higher than that of mCRS in North America, Europe, and South America. The AIC of Fong score, mCRS, and GAME score were 14 405, 14 447, and 14 319, respectively. CONCLUSION In conclusion, using the largest and most heterogenous population of CRLM patients with known KRAS status, this independent, external validation demonstrated that the GAME score outperforms both the traditional Fong score and mCRS.
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Affiliation(s)
| | - Johan Gagnière
- Service de Chirurgie Digestive, CHU Clermont-Ferrand, Inserm, Université Clermont Auvergne, Clermont-Ferrand, France
| | - Aurélien Dupré
- Service de Chirurgie Digestive, CHU Clermont-Ferrand, Inserm, Université Clermont Auvergne, Clermont-Ferrand, France
| | - Victoria Ardiles
- HPB Surgery and Liver Transplant Unit, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | | | - Jaeyun Wang
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Amika Moro
- Department of Surgery, Cleveland Clinic, Cleveland, OH, USA
| | - Daisuke Morioka
- Department of Gastroenterological Surgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Stefan Buettner
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Laurence Gau
- Service de Chirurgie Digestive, CHU Clermont-Ferrand, Inserm, Université Clermont Auvergne, Clermont-Ferrand, France
| | - Mathieu Ribeiro
- Service de Chirurgie Digestive, CHU Clermont-Ferrand, Inserm, Université Clermont Auvergne, Clermont-Ferrand, France
| | - Doris Wagner
- Department of General Surgery, Medical University of Graz, Graz, Austria
| | | | - Inger Marie Løes
- Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Oncology, Haukeland University Hospital, Bergen, Norway
| | - Fabian Fitschek
- Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - Klaus Kaczirek
- Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - Per Eystein Lønning
- Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Oncology, Haukeland University Hospital, Bergen, Norway
| | - Peter Kornprat
- Department of General Surgery, Medical University of Graz, Graz, Austria
| | - George Poultsides
- Department of Surgery, Stanford University School of Medicine, Stanford, CA, USA
| | - Carsten Kamphues
- Department of General, Visceral and Vascular Surgery, Charite Campus Benjamin Franklin, Berlin, Germany
| | - Katsunori Imai
- Department of Gastroenterological Surgery, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Hideo Baba
- Department of Gastroenterological Surgery, Graduate School of Life Sciences, Kumamoto University, Kumamoto, Japan
| | - Itaru Endo
- Department of Gastroenterological Surgery, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | | | | | - Eduardo de Santibañes
- HPB Surgery and Liver Transplant Unit, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | - Martin E Kreis
- Department of General, Visceral and Vascular Surgery, Charite Campus Benjamin Franklin, Berlin, Germany
| | - Georgios Antonios Margonis
- Department of General, Visceral and Vascular Surgery, Charite Campus Benjamin Franklin, Berlin, Germany.,Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, NY, USA
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3
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De Raffele E, Mirarchi M, Cuicchi D, Lecce F, Casadei R, Ricci C, Selva S, Minni F. Simultaneous colorectal and parenchymal-sparing liver resection for advanced colorectal carcinoma with synchronous liver metastases: Between conventional and mini-invasive approaches. World J Gastroenterol 2020; 26:6529-6555. [PMID: 33268945 PMCID: PMC7673966 DOI: 10.3748/wjg.v26.i42.6529] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2020] [Revised: 10/05/2020] [Accepted: 10/26/2020] [Indexed: 02/06/2023] Open
Abstract
The optimal timing of surgery in case of synchronous presentation of colorectal cancer and liver metastases is still under debate. Staged approach, with initial colorectal resection followed by liver resection (LR), or even the reverse, liver-first approach in specific situations, is traditionally preferred. Simultaneous resections, however, represent an appealing strategy, because may have perioperative risks comparable to staged resections in appropriately selected patients, while avoiding a second surgical procedure. In patients with larger or multiple synchronous presentation of colorectal cancer and liver metastases, simultaneous major hepatectomies may determine worse perioperative outcomes, so that parenchymal-sparing LR should represent the most appropriate option whenever feasible. Mini-invasive colorectal surgery has experienced rapid spread in the last decades, while laparoscopic LR has progressed much slower, and is usually reserved for limited tumours in favourable locations. Moreover, mini-invasive parenchymal-sparing LR is more complex, especially for larger or multiple tumours in difficult locations. It remains to be established if simultaneous resections are presently feasible with mini-invasive approaches or if we need further technological advances and surgical expertise, at least for more complex procedures. This review aims to critically analyze the current status and future perspectives of simultaneous resections, and the present role of the available mini-invasive techniques.
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Affiliation(s)
- Emilio De Raffele
- Division of Pancreatic Surgery, Department of Digestive Diseases, Azienda Ospedaliero-Universitaria di Bologna, Policlinico S.Orsola-Malpighi, 40138 Bologna, Italy
| | - Mariateresa Mirarchi
- Dipartimento Strutturale Chirurgico, Ospedale SS Antonio e Margherita, 15057 Tortona (AL), Italy
| | - Dajana Cuicchi
- Surgery of the Alimentary Tract, Department of Digestive Diseases, Azienda Ospedaliero-Universitaria di Bologna, Policlinico S.Orsola-Malpighi, 40138 Bologna, Italy
| | - Ferdinando Lecce
- Surgery of the Alimentary Tract, Department of Digestive Diseases, Azienda Ospedaliero-Universitaria di Bologna, Policlinico S.Orsola-Malpighi, 40138 Bologna, Italy
| | - Riccardo Casadei
- Division of Pancreatic Surgery, Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum, University of Bologna, 40138 Bologna, Italy
| | - Claudio Ricci
- Division of Pancreatic Surgery, Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum, University of Bologna, 40138 Bologna, Italy
| | - Saverio Selva
- Division of Pancreatic Surgery, Department of Digestive Diseases, Azienda Ospedaliero-Universitaria di Bologna, Policlinico S.Orsola-Malpighi, 40138 Bologna, Italy
| | - Francesco Minni
- Division of Pancreatic Surgery, Department of Medical and Surgical Sciences (DIMEC), Alma Mater Studiorum, University of Bologna, 40138 Bologna, Italy
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Ucar G, Ergun Y, Aktürk Esen S, Acikgoz Y, Dirikoc M, Esen İ, Bal Ö, Uncu D. Prognostic and predictive value of KRAS mutation number in metastatic colorectal cancer. Medicine (Baltimore) 2020; 99:e22407. [PMID: 32991469 PMCID: PMC7523797 DOI: 10.1097/md.0000000000022407] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Colorectal cancer (CRC) is the third most common cancer in the world and is the second leading cause of cancer-related deaths. Several mutations are involved in the development of CRC. The prognostic significance of the KRAS mutation has been discussed in many studies. We aimed to investigate the prognostic significance of the number of KRAS mutations in metastatic CRC (mCRC).Patients with mutations in the KRAS gene were included in the study. They were divided into 2 groups as single mutation and multiple mutations in the KRAS gene.For the study, 425 CRC patients were screened. KRAS mutation was positive in 191 patients (45%). One hundred ninety-one patients were included in the study, 171 patients (90%) had single mutations and 20 patients (10%) had multiple mutations. Median progression-free survival was 12.8 months in patients with multiple mutations, while it was 8.8 months in patients with single mutations (P: .05). The median overall survival of patients with multiple mutations was 40.7 months, while it was 22.7 months for patients with single mutations (P = .01)We found that the presence of multiple mutations in KRAS mutant patients was associated with better overall survival and progression-free survival than a single mutation.
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Affiliation(s)
- Gokhan Ucar
- Department of Medical Oncology, Ankara City Hospital, Ankara
| | - Yakup Ergun
- Department of Medical Oncology, Ankara City Hospital, Ankara
| | | | - Yusuf Acikgoz
- Department of Medical Oncology, Ankara City Hospital, Ankara
| | - Merve Dirikoc
- Department of Medical Oncology, Ankara City Hospital, Ankara
| | - İrfan Esen
- Department of Internal Medicine, Yenimahalle Training and Education Hospital, Ankara, Turkey
| | - Öznur Bal
- Department of Medical Oncology, Ankara City Hospital, Ankara
| | - Doğan Uncu
- Department of Medical Oncology, Ankara City Hospital, Ankara
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Moro A, Mehta R, Tsilimigras DI, Sahara K, Paredes AZ, Bagante F, Guglielmi A, Alexandrescu S, Poultsides GA, Sasaki K, Aucejo FN, Pawlik TM. Prognostic factors differ according to KRAS mutational status: A classification and regression tree model to define prognostic groups after hepatectomy for colorectal liver metastasis. Surgery 2020; 168:497-503. [PMID: 32675031 DOI: 10.1016/j.surg.2020.05.019] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 05/04/2020] [Accepted: 05/11/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Although KRAS mutation status is known to affect the prognosis of patients with colorectal liver metastasis, the hierarchical association between other prognostic factors and KRAS status is not fully understood. METHODS Patients who underwent a hepatectomy for colorectal liver metastasis were identified in a multi-institutional international database. A classification and regression tree model was constructed to investigate the hierarchical association between prognostic factors and overall survival relative to KRAS status. RESULTS Among 1,123 patients, 29.9% (n = 336) had a KRAS mutation. Among wtKRAS patients, the classification and regression tree model identified presence of metastatic lymph nodes as the most important prognostic factor, whereas among mtKRAS patients, carcinoembryonic antigen level was identified as the most important prognostic factor. Among patients with wtKRAS, the highest 5-year overall survival (68.5%) was noted among patients with node negative primary colorectal cancer, solitary colorectal liver metastases, size <4.3 cm. In contrast, among patients with mtKRAS colorectal liver metastases, the highest 5-year overall survival (57.5%) was observed among patients with carcinoembryonic antigen <6 mg/mL. The classification and regression tree model had higher prognostic accuracy than the Fong score (wtKRAS [Akaike's Information Criterion]: classification and regression tree model 3334 vs Fong score 3341; mtKRAS [Akaike's Information Criterion]: classification and regression tree model 1356 vs Fong score 1396). CONCLUSION Machine learning methodology outperformed the traditional Fong clinical risk score and identified different factors, based on KRAS mutational status, as predictors of long-term prognosis.
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Affiliation(s)
- Amika Moro
- Department of Surgery, Division of Surgical Oncology, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, Columbus, OH
| | - Rittal Mehta
- Department of Surgery, Division of Surgical Oncology, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, Columbus, OH
| | - Diamantis I Tsilimigras
- Department of Surgery, Division of Surgical Oncology, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, Columbus, OH
| | - Kota Sahara
- Department of Surgery, Division of Surgical Oncology, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, Columbus, OH
| | - Anghela Z Paredes
- Department of Surgery, Division of Surgical Oncology, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, Columbus, OH
| | - Fabio Bagante
- Department of Surgery, University of Verona, Verona, Italy
| | | | | | | | - Kazunari Sasaki
- Department of General Surgery, Cleveland Clinic Foundation, Cleveland, OH
| | - Federico N Aucejo
- Department of General Surgery, Cleveland Clinic Foundation, Cleveland, OH
| | - Timothy M Pawlik
- Department of Surgery, Division of Surgical Oncology, The Ohio State University Wexner Medical Center and James Comprehensive Cancer Center, Columbus, OH.
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Jethwa KR, Jang S, Mullikin TC, Harmsen WS, Petersen MM, Olivier KR, Park SS, Neben-Wittich MA, Hubbard JM, Sandhyavenu H, Whitaker TJ, Waltman LA, Kipp BR, Merrell KW, Haddock MG, Hallemeier CL. Association of tumor genomic factors and efficacy for metastasis-directed stereotactic body radiotherapy for oligometastatic colorectal cancer. Radiother Oncol 2020; 146:29-36. [PMID: 32114263 DOI: 10.1016/j.radonc.2020.02.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 02/07/2020] [Accepted: 02/09/2020] [Indexed: 02/06/2023]
Abstract
PURPOSE/OBJECTIVE(S) To report tumor genomic factors associated with overall survival (OS) and local failure (LF) for patients with colorectal cancer (CRC) who received metastasis-directed stereotactic body radiation therapy (SBRT). MATERIALS/METHODS This was a retrospective review of patients with CRC who received metastasis-directed SBRT. Tumor genomic alterations were identified through KRAS, BRAF, or a 50-gene next generation sequencing panel. OS and LF were estimated using Kaplan-Meier and competing-risk methods. RESULTS Eighty-five patients and 109 lesions were treated between 2008 and 2018. The median patient follow-up was 50 months (IQR: 28-107). The median and 5-year OS was 34 months and 26% (95% CI: 16-41%), respectively. The 2-year cumulative incidence of LF was 30% (95% CI: 23-41%). Univariate associates with OS included patient age ≥60 years, bone metastasis, increasing tumor size, KRAS mutation, and combined KRAS and TP53 mutation, while increasing tumor size, bone metastasis, biologically effective dose <100 Gy, and combined KRAS and TP53 mutation were associated with LF. Multivariate associates with OS included patient age ≥60 years (HR: 2.4, 95% CI: 1.2-4.8, p = 0.01), lesion size per 1 cm (HR: 1.3, 95% CI: 1.1-1.5, p < 0.01), and KRAS mutation (HR: 2.2, 95% CI: 1.2-4.3, p < 0.01), while no multivariable model for LF retained more than a single variable. CONCLUSION Genomic factors, in particular KRAS and TP53 mutation, may assist in patient selection and radiotherapeutic decision-making for patients with oligometastatic CRC. Prospective validation, ideally with genomic correlation of all irradiated metastases, is warranted.
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Affiliation(s)
- Krishan R Jethwa
- Department of Radiation Oncology, Mayo Clinic, Rochester, United States; Department of Therapeutic Radiology, Yale University School of Medicine, New Haven, United States
| | - Samuel Jang
- Department of Radiation Oncology, Mayo Clinic, Rochester, United States
| | - Trey C Mullikin
- Department of Radiation Oncology, Mayo Clinic, Rochester, United States
| | - William S Harmsen
- Biomedical Statistics and Informatics, Mayo Clinic, Rochester, United States
| | - Molly M Petersen
- Biomedical Statistics and Informatics, Mayo Clinic, Rochester, United States
| | - Kenneth R Olivier
- Department of Radiation Oncology, Mayo Clinic, Rochester, United States
| | - Sean S Park
- Department of Radiation Oncology, Mayo Clinic, Rochester, United States
| | | | - Joleen M Hubbard
- Division of Medical Oncology, Mayo Clinic, Rochester, United States
| | | | - Thomas J Whitaker
- Department of Radiation Oncology, Mayo Clinic, Rochester, United States
| | - Lindsey A Waltman
- Department of Laboratory Medicine and pathology, Mayo Clinic, Rochester, United States
| | - Benjamin R Kipp
- Department of Laboratory Medicine and pathology, Mayo Clinic, Rochester, United States
| | - Kenneth W Merrell
- Department of Radiation Oncology, Mayo Clinic, Rochester, United States
| | - Michael G Haddock
- Department of Radiation Oncology, Mayo Clinic, Rochester, United States
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7
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Brunsell TH, Sveen A, Bjørnbeth BA, Røsok BI, Danielsen SA, Brudvik KW, Berg KCG, Johannessen B, Cengija V, Abildgaard A, Guren MG, Nesbakken A, Lothe RA. High Concordance and Negative Prognostic Impact of RAS/BRAF/PIK3CA Mutations in Multiple Resected Colorectal Liver Metastases. Clin Colorectal Cancer 2019; 19:e26-e47. [PMID: 31982351 DOI: 10.1016/j.clcc.2019.09.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 07/11/2019] [Accepted: 09/26/2019] [Indexed: 12/11/2022]
Abstract
BACKGROUND The prevalence and clinical implications of genetic heterogeneity in patients with multiple colorectal liver metastases remain largely unknown. In a prospective series of patients undergoing resection of colorectal liver metastases, the aim was to investigate the inter-metastatic and primary-to-metastatic heterogeneity of mutations in KRAS, NRAS, BRAF, and PIK3CA and their prognostic impact. PATIENTS AND METHODS We analyzed the mutation status among 372 liver metastases and 78 primary tumors from 106 patients by methods used in clinical routine testing, by Sanger sequencing, by next-generation sequencing (NGS), and/or by droplet digital polymerase chain reaction. The 3-year cancer-specific survival (CSS) was analyzed using the Kaplan-Meier method. RESULTS Although Sanger sequencing indicated inter-metastatic mutation heterogeneity in 14 of 97 patients (14%), almost all cases were refuted by high-sensitive NGS. Also, heterogeneity among metastatic deposits was concluded only for PIK3CA in 2 patients. Similarly, primary-to-metastatic heterogeneity was indicated in 8 of 78 patients (10%) using Sanger sequencing but for only 2 patients after NGS, showing the emergence of 1 KRAS and 1 PIK3CA mutation in the metastatic lesions. KRAS mutations were present in 53 of 106 patients (50%) and were associated with poorer 3-year CSS after liver resection (37% vs. 61% for KRAS wild-type; P = .004). Poor prognostic associations were found also for the combination of KRAS/NRAS/BRAF mutations compared with triple wild-type (P = .002). CONCLUSION Intra-patient mutation heterogeneity was virtually undetected, both between the primary tumor and the liver metastases and among the metastatic deposits. KRAS mutations separately, and KRAS/NRAS/BRAF mutations combined, were associated with poor patient survival after partial liver resection.
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Affiliation(s)
- Tuva Høst Brunsell
- Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; K. G. Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; Institute for Clinical Medicine, University of Oslo, Oslo, Norway
| | - Anita Sveen
- Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; K. G. Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; Institute for Clinical Medicine, University of Oslo, Oslo, Norway
| | - Bjørn Atle Bjørnbeth
- K. G. Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; Department of Gastrointestinal Surgery, Oslo University Hospital, Oslo, Norway
| | - Bård I Røsok
- K. G. Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; Department of Gastrointestinal Surgery, Oslo University Hospital, Oslo, Norway
| | - Stine Aske Danielsen
- Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; K. G. Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway
| | - Kristoffer Watten Brudvik
- K. G. Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; Department of Gastrointestinal Surgery, Oslo University Hospital, Oslo, Norway
| | - Kaja C G Berg
- Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; K. G. Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; Institute for Clinical Medicine, University of Oslo, Oslo, Norway
| | - Bjarne Johannessen
- Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; K. G. Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; Institute for Clinical Medicine, University of Oslo, Oslo, Norway
| | - Vanja Cengija
- K. G. Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; Department of Radiology and Nuclear Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Andreas Abildgaard
- K. G. Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; Department of Radiology and Nuclear Medicine, Oslo University Hospital Rikshospitalet, Oslo, Norway
| | - Marianne Grønlie Guren
- K. G. Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; Department of Oncology, Oslo University Hospital Ullevål, Oslo, Norway
| | - Arild Nesbakken
- K. G. Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; Institute for Clinical Medicine, University of Oslo, Oslo, Norway; Department of Gastrointestinal Surgery, Oslo University Hospital, Oslo, Norway
| | - Ragnhild A Lothe
- Department of Molecular Oncology, Institute for Cancer Research, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; K. G. Jebsen Colorectal Cancer Research Centre, Oslo University Hospital, Norwegian Radium Hospital, Oslo, Norway; Institute for Clinical Medicine, University of Oslo, Oslo, Norway.
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8
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Ergun Y, Acikgoz Y, Bal O, Ucar G, Dirikoc M, Caliskan Yildirim E, Akdeniz N, Uncu D. KRAS codon 12 and 13 mutations may guide the selection of irinotecan or oxaliplatin in first-line treatment of metastatic colorectal cancer. Expert Rev Mol Diagn 2019; 19:1131-1140. [PMID: 31718325 DOI: 10.1080/14737159.2019.1693266] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Background: In this study, we aimed to investigate the frequency, prognostic effect of codon, and amino acid-specific KRAS mutations in patients with metastatic colorectal cancer (mCRC) and their predictive effect on irinotecan and oxaliplatin during first-line treatment.Methods: The data of 304 mCRC patients were retrospectively evaluated between 2010 and 2018. Patients were categorized according to the most prominent codon and amino acid mutation and their prognostic features were analyzed.Results: In total, 274 patients were included in the study and 128 patients (47%) revealed KRAS mutation. Median follow-up time was 19.8 months (range; 1.6-96). The median overall survival rates for patients with codons 12 and 13 mutations were 25.4 and 22.2 months, respectively (p = 0.4). Moreover, the median overall survival for the codon 12 mutant patients who received irinotecan-based chemotherapy in the first-line treatment was 42.7 months, whereas for the codon 13 mutant and KRAS wild-type patients, it was 18.3 and 23.9 months, respectively (codon 12 vs. codon 13; HR: 0.31, p = 0.03, codon 12 vs. wild-type; HR: 0.45, p = 0.03).Conclusion: The significant survival advantage was observed in patients with codon 12 mutations who received irinotecan-based chemotherapy as a first-line treatment.
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Affiliation(s)
- Yakup Ergun
- Department of Medical Oncology, Ankara City Hospital, Ankara, Turkey
| | - Yusuf Acikgoz
- Department of Medical Oncology, Ankara City Hospital, Ankara, Turkey
| | - Oznur Bal
- Department of Medical Oncology, Ankara City Hospital, Ankara, Turkey
| | - Gokhan Ucar
- Department of Medical Oncology, Ankara City Hospital, Ankara, Turkey
| | - Merve Dirikoc
- Department of Medical Oncology, Ankara City Hospital, Ankara, Turkey
| | | | - Nadiye Akdeniz
- Department of Medical Oncology, Faculty of Medicine, Dicle University, Diyarbakir, Turkey
| | - Dogan Uncu
- Department of Medical Oncology, Ankara City Hospital, Ankara, Turkey
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9
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Prognostic Factors Change Over Time After Hepatectomy for Colorectal Liver Metastases. Ann Surg 2019; 269:1129-1137. [DOI: 10.1097/sla.0000000000002664] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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10
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Margonis GA, Kreis ME, Wolfgang CL, Weiss MJ. Mutation status and surgical selection. J Surg Oncol 2019; 119:616-622. [PMID: 30779134 DOI: 10.1002/jso.25413] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 02/05/2019] [Indexed: 02/05/2023]
Abstract
Current evidence cannot support denying metastasectomy in otherwise resectable patients solely based on their overall KRAS or BRAF mutational status. The combination of KRAS or BRAF mutational status with certain clinicopathologic characteristics has defined groups of patients who may not derive benefit from metastasectomy, but external validation is needed. The effect of certain KRAS or BRAF variants on survival may be more pronounced and therefore future studies should consider them for surgical selection.
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Affiliation(s)
- Georgios A Margonis
- Department of Surgery, Johns Hopkins University, School of Medicine, Baltimore, Maryland
| | - Martin E Kreis
- Department of General, Visceral and Vascular Surgery, Campus Benjamin Franklin, Charité Universitätsmedizin Berlin, Berlin, Germany
| | - Christopher L Wolfgang
- Department of Surgery, Johns Hopkins University, School of Medicine, Baltimore, Maryland
| | - Matthew J Weiss
- Department of Surgery, Johns Hopkins University, School of Medicine, Baltimore, Maryland
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11
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Xu F, Tang B, Jin TQ, Dai CL. Current status of surgical treatment of colorectal liver metastases. World J Clin Cases 2018; 6:716-734. [PMID: 30510936 PMCID: PMC6264988 DOI: 10.12998/wjcc.v6.i14.716] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 09/14/2018] [Accepted: 10/22/2018] [Indexed: 02/05/2023] Open
Abstract
Liver metastasis (LM) is one of the major causes of death in patients with colorectal cancer (CRC). Approximately 60% of CRC patients develop LM during the course of their illness. About 85% of these patients have unresectable disease at the time of presentation. Surgical resection is currently the only curative treatment for patients with colorectal LM (CRLM). In recent years, with the help of modern multimodality therapy including systemic chemotherapy, radiation therapy, and surgery, the outcomes of CRLM treatment have significantly improved. This article summarizes the current status of surgical treatment of CRLM including evaluation of resectability, treatment for resectable LM, conversion therapy and liver transplantation for unresectable cases, liver resection for recurrent CRLM and elderly patients, and surgery for concomitant hepatic and extra-hepatic metastatic disease (EHMD). We believe that with the help of modern multimodality therapy, an aggressive oncosurgical approach should be implemented as it has the possibility of achieving a cure, even when EHMD is present in patients with CRLM.
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Affiliation(s)
- Feng Xu
- Department of Hepatobiliary and Splenic Surgery, Shengjing Hospital, China Medical University, Shenyang 110004, Liaoning Province, China
| | - Bin Tang
- Department of Hepatobiliary and Splenic Surgery, Shengjing Hospital, China Medical University, Shenyang 110004, Liaoning Province, China
| | - Tian-Qiang Jin
- Department of Hepatobiliary and Splenic Surgery, Shengjing Hospital, China Medical University, Shenyang 110004, Liaoning Province, China
| | - Chao-Liu Dai
- Department of Hepatobiliary and Splenic Surgery, Shengjing Hospital, China Medical University, Shenyang 110004, Liaoning Province, China
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12
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Margonis GA, Buettner S, Andreatos N, Kim Y, Wagner D, Sasaki K, Beer A, Schwarz C, Løes IM, Smolle M, Kamphues C, He J, Pawlik TM, Kaczirek K, Poultsides G, Lønning PE, Cameron JL, Burkhart RA, Gerger A, Aucejo FN, Kreis ME, Wolfgang CL, Weiss MJ. Association of BRAF Mutations With Survival and Recurrence in Surgically Treated Patients With Metastatic Colorectal Liver Cancer. JAMA Surg 2018; 153:e180996. [PMID: 29799910 DOI: 10.1001/jamasurg.2018.0996] [Citation(s) in RCA: 135] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Importance BRAF mutations are reportedly associated with aggressive tumor biology. However, in contrast with primary colorectal cancer, the association of V600E and non-V600E BRAF mutations with survival and recurrence after resection of colorectal liver metastases (CRLM) has not been well studied. Objective To investigate the prognostic association of BRAF mutations with survival and recurrence independently and compared with other prognostic determinants, such as KRAS mutations. Design, Setting, and Participants In this cohort study, all patients who underwent resection for CRLM with curative intent from January 1, 2000, through December 31, 2016, at the institutions participating in the International Genetic Consortium for Colorectal Liver Metastasis and had data on BRAF and KRAS mutational status were retrospectively identified. Multivariate Cox proportional hazards regression models were used to assess long-term outcomes. Interventions Hepatectomy in patients with CRLM. Main Outcomes and Measures The association of V600E and non-V600E BRAF mutations with disease-free survival (DFS) and overall survival (OS). Results Of 853 patients who met inclusion criteria (510 men [59.8%] and 343 women [40.2%]; mean [SD] age, 60.2 [12.4] years), 849 were included in the study analyses. Forty-three (5.1%) had a mutated (mut) BRAF/wild-type (wt) KRAS (V600E and non-V600E) genotype; 480 (56.5%), a wtBRAF/wtKRAS genotype; and 326 (38.4%), a wtBRAF/mutKRAS genotype. Compared with the wtBRAF/wtKRAS genotype group, patients with a mutBRAF/wtKRAS genotype more frequently were female (27 [62.8%] vs 169 [35.2%]) and 65 years or older (22 [51.2%] vs 176 [36.9%]), had right-sided primary tumors (27 [62.8%] vs 83 [17.4%]), and presented with a metachronous liver metastasis (28 [64.3%] vs 229 [46.8%]). On multivariable analysis, V600E but not non-V600E BRAF mutation was associated with worse OS (hazard ratio [HR], 2.76; 95% CI, 1.74-4.37; P < .001) and DFS (HR, 2.04; 95% CI, 1.30-3.20; P = .002). The V600E BRAF mutation had a stronger association with OS and DFS than the KRAS mutations (β for OS, 10.15 vs 2.94; β for DFS, 7.14 vs 2.27). Conclusions and Relevance The presence of the V600E BRAF mutation was associated with worse prognosis and increased risk of recurrence. The V600E mutation was not only a stronger prognostic factor than KRAS but also was the strongest prognostic determinant in the overall cohort.
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Affiliation(s)
| | - Stefan Buettner
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Department of Surgery, Erasmus MC University Medical Center, Rotterdam, the Netherlands
| | - Nikolaos Andreatos
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Yuhree Kim
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Doris Wagner
- Department of General Surgery, Medical University of Graz, Graz, Austria
| | - Kazunari Sasaki
- Department of General Surgery, Digestive Disease Institute, Cleveland Clinic, Cleveland, Ohio
| | - Andrea Beer
- Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - Christoph Schwarz
- Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - Inger Marie Løes
- Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Oncology, Haukeland University Hospital, Bergen, Norway
| | - Maria Smolle
- Division for Oncology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Carsten Kamphues
- Department of General, Visceral and Vascular Surgery, Charité Campus Benjamin Franklin, University of Berlin-Charité, Berlin, Germany
| | - Jin He
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Timothy M Pawlik
- Department of Surgery, The Ohio State University Wexner Medical Center, Columbus.,Deputy Editor
| | - Klaus Kaczirek
- Department of General Surgery, Medical University of Vienna, Vienna, Austria
| | - George Poultsides
- Department of Surgery, Stanford University School of Medicine, Stanford, California
| | - Per Eystein Lønning
- Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Oncology, Haukeland University Hospital, Bergen, Norway
| | - John L Cameron
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Richard A Burkhart
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Armin Gerger
- Division for Oncology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Federico N Aucejo
- Department of General Surgery, Digestive Disease Institute, Cleveland Clinic, Cleveland, Ohio
| | - Martin E Kreis
- Department of General, Visceral and Vascular Surgery, Charité Campus Benjamin Franklin, University of Berlin-Charité, Berlin, Germany
| | | | - Matthew J Weiss
- Department of Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland
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13
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Barbon C, Margonis GA, Andreatos N, Rezaee N, Sasaki K, Buettner S, Damaskos C, Pawlik TM, He J, Wolfgang CL, Weiss MJ. Colorectal Liver Metastases: Does the Future of Precision Medicine Lie in Genetic Testing? J Gastrointest Surg 2018; 22:1286-1296. [PMID: 29644557 DOI: 10.1007/s11605-018-3766-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 03/27/2018] [Indexed: 02/06/2023]
Abstract
Colorectal liver metastases (CRLM) present an important clinical challenge in both surgical and medical oncology. Despite improvements in management, survival among patients undergoing resection of CRLM is still very variable and there is a paucity of clinical trial data and reliable biomarkers that could guide prognostic forecasts, treatment selection, and follow-up. Fortunately, recent advances in molecular biology and tumor sequencing have identified a number of critical genetic loci and proliferation markers that may hold the key to understanding the biologic behavior of CRLM; specifically, mutations of KRAS, BRAF, TP53, PIK3CA, APC, expression of Ki-67, and the presence of microsatellite instability appear to have a decisive impact on prognosis and response to treatment in patients with CRLM. While the applicability of genetic biomarkers in everyday clinical practice remains conditional on the development of inexpensive bedside sequencing, targeted therapies, and the conduct of appropriate clinical trials, the promise of personalized treatment may be closer to realization than ever before.
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Affiliation(s)
- Carlotta Barbon
- Department of Surgery, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Halsted 608, Baltimore, MD, 21287, USA
| | - Georgios Antonios Margonis
- Department of Surgery, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Halsted 608, Baltimore, MD, 21287, USA
| | - Nikolaos Andreatos
- Department of Surgery, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Halsted 608, Baltimore, MD, 21287, USA
| | - Neda Rezaee
- Department of Surgery, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Halsted 608, Baltimore, MD, 21287, USA
| | - Kazunari Sasaki
- Department of Surgery, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Halsted 608, Baltimore, MD, 21287, USA
| | - Stefan Buettner
- Department of Surgery, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Halsted 608, Baltimore, MD, 21287, USA
| | - Christos Damaskos
- Second Department of Propedeutic Surgery, "Laiko" General Hospital, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Timothy M Pawlik
- Department of Surgery, The Ohio State University Wexner Medical Center, Columbus, OH, USA
| | - Jin He
- Department of Surgery, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Halsted 608, Baltimore, MD, 21287, USA
| | - Christopher L Wolfgang
- Department of Surgery, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Halsted 608, Baltimore, MD, 21287, USA
| | - Matthew J Weiss
- Department of Surgery, Johns Hopkins University School of Medicine, 600 N. Wolfe Street, Halsted 608, Baltimore, MD, 21287, USA.
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14
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Bai B, Shan L, Xie B, Huang X, Mao W, Wang X, Wang D, Zhu H. Mutations in KRAS codon 12 predict poor survival in Chinese patients with metastatic colorectal cancer. Oncol Lett 2017; 15:3161-3166. [PMID: 29435051 DOI: 10.3892/ol.2017.7709] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 11/16/2017] [Indexed: 12/28/2022] Open
Abstract
KRAS mutations serve a function in tumorigenesis of colorectal cancer (CRC) and guide the use of targeted drugs. However, the prognostic value of KRAS mutations and their subtypes remain controversial. The present study aimed to investigate the correlations between KRAS mutations and clinicopathological characteristics, and their prognostic significance in Chinese patients with metastatic CRC (mCRC). A total of 135 patients with mCRC were analyzed for KRAS mutations. Mutations in codon 12 and 13 were identified in 45 (33.3%) patients. Only 3 patients harbored a mutation of V600E. Compared with male patients, KRAS codon 12 mutations were more common in female patients (P<0.05). KRAS codon 13 mutations tended to arise in right-sided compared with left-sided colon cancer (P<0.05). Survival analysis was performed in 101 patients receiving primary tumor resection. Compared with KRAS codon 12 wild-type, codon 12 mutations were markedly correlated with a poorer survival (log-rank P=0.002). No prognostic significance was revealed in codon 13 mutations. In univariate analysis, mortality risk was significantly increased by subtypes of G12D and G12V [hazard ratio (HR) =2.313, 95% confidence interval (CI) =1.069-5.004, P=0.03; HR=2.621, 95% CI=1.057-6.497, P=0.04, respectively]. The results of the present study suggested that codon 12 mutations, in particular G12D and G12V, predicted a negative prognosis in Chinese patients with mCRC. These findings require further confirmation via prospective studies with larger samples.
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Affiliation(s)
- Bingjun Bai
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China.,Key Laboratory of Biotherapy of Zhejiang, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Lina Shan
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China.,Key Laboratory of Biotherapy of Zhejiang, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Binbin Xie
- Department of Medical Oncology, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Xuefeng Huang
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Weifang Mao
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Xiaowei Wang
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Da Wang
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
| | - Hongbo Zhu
- Department of Colorectal Surgery, Sir Run Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China.,Key Laboratory of Biotherapy of Zhejiang, Zhejiang University, Hangzhou, Zhejiang 310016, P.R. China
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15
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Combining the Old With the New: The Next Journey of the Clinical Risk Score. Ann Surg 2017; 268:e44-e45. [PMID: 29194087 DOI: 10.1097/sla.0000000000002535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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16
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Olmedillas-López S, Lévano-Linares DC, Alexandre CLA, Vega-Clemente L, Sánchez EL, Villagrasa A, Ruíz-Tovar J, García-Arranz M, García-Olmo D. Detection of KRAS G12D in colorectal cancer stool by droplet digital PCR. World J Gastroenterol 2017; 23:7087-7097. [PMID: 29093617 PMCID: PMC5656456 DOI: 10.3748/wjg.v23.i39.7087] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 09/15/2017] [Accepted: 09/26/2017] [Indexed: 02/06/2023] Open
Abstract
AIM To assess KRAS G12D mutation detection by droplet digital PCR (ddPCR) in stool-derived DNA from colorectal cancer (CRC) patients.
METHODS In this study, tumor tissue and stool samples were collected from 70 patients with stage I-IV CRC diagnosed by preoperative biopsy. KRAS mutational status was determined by pyrosequencing analysis of DNA obtained from formalin-fixed paraffin-embedded (FFPE) tumor tissues. The KRAS G12D mutation was then analyzed by ddPCR in FFPE tumors and stool-derived DNA from patients with this point mutation. Wild-type (WT) tumors, as determined by pyrosequencing, were included as controls; analysis of FFPE tissue and stool-derived DNA by ddPCR was performed for these patients as well.
RESULTS Among the total 70 patients included, KRAS mutations were detected by pyrosequencing in 32 (45.71%), whereas 38 (54.29%) had WT tumors. The frequency of KRAS mutations was higher in left-sided tumors (11 located in the right colon, 15 in the left, and 6 in the rectum). The predominant point mutation was KRAS G12D (14.29%, n = 10), which was more frequent in early-stage tumors (I-IIA, n = 7). In agreement with pyrosequencing results, the KRAS G12D mutation was detected by ddPCR in FFPE tumor-derived DNA, and only a residual number of mutated copies was found in WT controls. The KRAS G12D mutation was also detected in stool-derived DNA in 80% of all fecal samples from CRC patients with this point mutation.
CONCLUSION ddPCR is a reliable and sensitive method to analyze KRAS G12D mutation in stool-derived DNA from CRC patients, especially at early stages. This non-invasive approach is potentially applicable to other relevant biomarkers for CRC management.
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Affiliation(s)
- Susana Olmedillas-López
- Foundation Health Research Institute-Fundación Jiménez Díaz University Hospital, Madrid 28040, Spain
| | - Dennis César Lévano-Linares
- Department of Surgery, School of Medicine, Universidad Autónoma de Madrid, Madrid 28029, Spain
- Department of Surgery, Rey Juan Carlos University Hospital, Madrid 28933, Spain
| | | | - Luz Vega-Clemente
- Foundation Health Research Institute-Fundación Jiménez Díaz University Hospital, Madrid 28040, Spain
| | - Edurne León Sánchez
- Department of Biomedicine and Biotechnology, Universidad de Alcalá, Madrid 28805, Spain
| | - Alejandro Villagrasa
- Foundation Health Research Institute-Fundación Jiménez Díaz University Hospital, Madrid 28040, Spain
| | - Jaime Ruíz-Tovar
- Department of Surgery, Rey Juan Carlos University Hospital, Madrid 28933, Spain
| | - Mariano García-Arranz
- Foundation Health Research Institute-Fundación Jiménez Díaz University Hospital, Madrid 28040, Spain
- Department of Surgery, School of Medicine, Universidad Autónoma de Madrid, Madrid 28029, Spain
| | - Damián García-Olmo
- Foundation Health Research Institute-Fundación Jiménez Díaz University Hospital, Madrid 28040, Spain
- Department of Surgery, School of Medicine, Universidad Autónoma de Madrid, Madrid 28029, Spain
- Department of Surgery, Fundación Jiménez Díaz University Hospital, Madrid 28040, Spain
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17
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Moris D, Pawlik TM. Personalized treatment in patients with colorectal liver metastases. J Surg Res 2017; 216:26-29. [DOI: 10.1016/j.jss.2017.04.013] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2017] [Revised: 02/19/2017] [Accepted: 04/11/2017] [Indexed: 12/31/2022]
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18
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Wang Q, Shu X, Dong Y, Zhou J, Teng R, Shen J, Chen Y, Dong M, Zhang W, Huang Y, Xie S, Wei Q, Zhao W, Chen W, Yuan X, Qi X, Wang L. Tumor and serum gamma-glutamyl transpeptidase, new prognostic and molecular interpretation of an old biomarker in gastric cancer. Oncotarget 2017; 8:36171-36184. [PMID: 28404903 PMCID: PMC5482647 DOI: 10.18632/oncotarget.15609] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Accepted: 01/24/2017] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Gastric Cancer is one of the most lethal malignancies worldwide. Gamma-glutamyl transpeptidase (GGT) is an enzyme mainly involved in cellular glutathione homeostasis. We aim to explore the clinical value of GGT in gastric cancer. RESULTS Among 322 patients enrolled, 65/82 patients were determined as GGT positive in serum/tumor, respectively. High tumor GGT expression is significantly associated with lymph node metastasis, histological subtype, and Her2 expression. Kaplan-Meier curve shows that high tumor GGT patients have shorter overall survival (P log-rank=0.001) and progress-free survival (P log-rank =0.001). Patients with both high tumor and serum GGT have the poorest prognosis. The multivariable Cox analysis shows that the hazard ratio of overall survival for high tumor GGT is 1.69 (95% CI 1.19-2.37). High serum GGT is a poor prognostic factor in adjuvant chemotherapy hazard ratio=2.18, 95%CI (1.15-4.47). These findings were further validated in six online datasets. Gene Sets Enrichment Analysis showed that GGT promotes cancer progression through EMT, KRAS, SRC and PKCA pathways. METHODS Tumor GGT and serum GGT levels were evaluated with immuno-histochemistry staining and enzymatic assay, respectively. Kaplan-Meier curve and Cox regression model were used to test the association between GGT and gastric cancer prognosis. Independent datasets from Gene Expression Omnibus and Gene Sets Enrichment Analysis were applied to validate the findings and explore the potential mechanisms. CONCLUSION Both tumor GGT and serum GGT are poor prognostic factors in gastric cancer. Patients with high tumor and serum GGT levels require more intense treatment and follow-up.
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Affiliation(s)
- Qinchuan Wang
- Department of Surgical Oncology, Affiliated Sir Runrun Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiang Shu
- Division of Epidemiology, Department of Medicine, Vanderbilt-Ingram Cancer Center, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - Yong Dong
- Department of Oncology, Affiliated Sir Runrun Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jichun Zhou
- Department of Surgical Oncology, Affiliated Sir Runrun Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Rongyue Teng
- Department of Surgical Oncology, Affiliated Sir Runrun Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jianguo Shen
- Department of Surgical Oncology, Affiliated Sir Runrun Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yongxia Chen
- Department of Surgical Oncology, Affiliated Sir Runrun Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Mingjun Dong
- Department of Surgical Oncology, Affiliated Sir Runrun Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wenjun Zhang
- Zhejiang Academy of Medical Science, Zhejiang University School of Medicine, Hangzhou, China
| | - Yasheng Huang
- Department of Unrology, Hangzhou Chinese Medicine Hospital, Hangzhou, China
| | - Shuduo Xie
- Department of Surgical Oncology, Affiliated Sir Runrun Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Qun Wei
- Department of Surgical Oncology, Affiliated Sir Runrun Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wenhe Zhao
- Department of Surgical Oncology, Affiliated Sir Runrun Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Wenjun Chen
- Department of Surgical Oncology, Affiliated Sir Runrun Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiaoming Yuan
- Department of Surgical Oncology, Affiliated Sir Runrun Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xu Qi
- Department of Surgical Oncology, Affiliated Sir Runrun Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Linbo Wang
- Department of Surgical Oncology, Affiliated Sir Runrun Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
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Consideration of KRAS Mutational Status May Enhance the Prognostic Impact of Indeterminate Extrahepatic Disease in the Lungs, as Identified by 18FDG-PET Scan, in Patients With Colorectal Liver Metastases. Ann Surg 2017; 268:e8-e9. [PMID: 28448388 DOI: 10.1097/sla.0000000000002264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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