دورية أكاديمية

Predictive value of chromosome 18q11.2-q12.1 loss for benefit from bevacizumab in metastatic colorectal cancer: A post hoc analysis of the randomized phase III-trial AGITG-MAX.

التفاصيل البيبلوغرافية
العنوان: Predictive value of chromosome 18q11.2-q12.1 loss for benefit from bevacizumab in metastatic colorectal cancer: A post hoc analysis of the randomized phase III-trial AGITG-MAX.
المؤلفون: van Dijk E; Department of Pathology, Cancer Center Amsterdam, Amsterdam UMC, VU University Medical Center, Amsterdam, The Netherlands., van Werkhoven E; Biometrics Department, Erasmus Medical Center, Rotterdam, The Netherlands., Asher R; Department of Biostatistics, NHMRC Clinical Trials Centre, University of Sydney, Camperdown, Australia., Mooi JK; Olivia Newton-John Cancer Research Institute, Heidelberg, Australia.; Department of Medicine, University of Melbourne, Melbourne, Australia.; Peter MacCallum Cancer Institute, Melbourne, Australia., Espinoza D; Department of Biostatistics, NHMRC Clinical Trials Centre, University of Sydney, Camperdown, Australia., van Essen HF; Department of Pathology, Cancer Center Amsterdam, Amsterdam UMC, VU University Medical Center, Amsterdam, The Netherlands., van Tinteren H; Trial and Datacenter, Princess Máxima Center for Pediatric Oncology, Utrecht, The Netherlands., van Grieken NCT; Department of Pathology, Cancer Center Amsterdam, Amsterdam UMC, VU University Medical Center, Amsterdam, The Netherlands., Punt CJA; Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands.; Department of Epidemiology, University Medical Centre Utrecht, Utrecht University, Utrecht, The Netherlands., Tebbutt NC; Department of Medical Oncology, Austin Health, Heidelberg, Australia.; Department of Surgery, University of Melbourne, Melbourne, Australia., Ylstra B; Department of Pathology, Cancer Center Amsterdam, Amsterdam UMC, VU University Medical Center, Amsterdam, The Netherlands.
المصدر: International journal of cancer [Int J Cancer] 2022 Oct 01; Vol. 151 (7), pp. 1166-1174. Date of Electronic Publication: 2022 May 23.
نوع المنشور: Clinical Trial, Phase III; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't
اللغة: English
بيانات الدورية: Publisher: Wiley-Liss Country of Publication: United States NLM ID: 0042124 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1097-0215 (Electronic) Linking ISSN: 00207136 NLM ISO Abbreviation: Int J Cancer Subsets: MEDLINE
أسماء مطبوعة: Publication: 1995- : New York, NY : Wiley-Liss
Original Publication: 1966-1984 : Genève : International Union Against Cancer
مواضيع طبية MeSH: Colonic Neoplasms*/genetics , Colorectal Neoplasms*/drug therapy , Colorectal Neoplasms*/genetics , Colorectal Neoplasms*/pathology , Rectal Neoplasms*/drug therapy, Antineoplastic Combined Chemotherapy Protocols/therapeutic use ; Bevacizumab/therapeutic use ; Chromosome Deletion ; Chromosomes ; Disease-Free Survival ; Fluorouracil/therapeutic use ; Humans ; Retrospective Studies
مستخلص: The VEGF-A monoclonal antibody bevacizumab is currently recommended for first-line treatment of all metastatic colorectal cancer (mCRC) patients. Cost-benefit ratio and side-effects however necessitate patient selection. A large retrospective yet nonrandomized study showed that patients with loss of chromosome 18q11.2-q12.1 in the tumor and treated with bevacizumab have 3 months improved median progression-free (PFS) and overall survival (OS) benefit compared to patients without this loss and/or treatment modality. Implementation for loss of chromosome 18q11.2-q12.1 as a marker in clinical practice mandates evidence in a randomized controlled trial for bevacizumab. Of the trials with randomization of chemotherapy vs chemotherapy with bevacizumab, the AGITG-MAX trial was the only one with tumor materials available. Chromosome 18q11.2-q12.1 copy number status was measured for 256 AGITG-MAX trial patients and correlated with PFS according to a predefined analysis plan with marker-treatment interaction as the primary end-point. Chromosome 18q11.2-q12.1 losses were detected in 71% of patients (181/256) characteristic for mCRC. Consistent with the nonrandomized study, significant PFS benefit of bevacizumab was observed in patients with chromosome 18q11.2-q12.1 loss (P = .009), and not in patients without 18q loss (P = .67). Although significance for marker-treatment interaction was not reached (P interaction  = .28), hazard ratio and 95% confidence interval of this randomized cohort (HR interaction  = 0.72; 95% CI = 0.39-1.32) shows striking overlap with the nonrandomized study cohorts (HR interaction  = 0.41; 95% CI = 0.32-0.8) supported by a nonsignificant Cochrane χ 2 test (P = .11) for heterogeneity. We conclude that post hoc analysis of the AGITG-MAX RCT provides supportive evidence for chromosome 18q11.2-q12.1 as a predictive marker for bevacizumab in mCRC patients.
(© 2022 The Authors. International Journal of Cancer published by John Wiley & Sons Ltd on behalf of UICC.)
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فهرسة مساهمة: Keywords: anti-VEGF monoclonal antibody; bevacizumab; chromosome 18q; metastatic colorectal cancer; predictive biomarker; randomized controlled trial
المشرفين على المادة: 2S9ZZM9Q9V (Bevacizumab)
U3P01618RT (Fluorouracil)
تواريخ الأحداث: Date Created: 20220430 Date Completed: 20220812 Latest Revision: 20221015
رمز التحديث: 20221213
مُعرف محوري في PubMed: PMC9545440
DOI: 10.1002/ijc.34061
PMID: 35489024
قاعدة البيانات: MEDLINE
الوصف
تدمد:1097-0215
DOI:10.1002/ijc.34061