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Despite surgical treatment in patients with pancreatic cancer, the rate of recurrence is high. In addition, although tumor biomarkers are frequently used to confirm advanced pancreatic cancer, this is not accurate and the biomarkers currently used cannot indicate prognosis. This study sought to evaluate circulating tumor DNA as a tumor biomarker to prognosticate pancreatic cancer. Patients with advanced pancreatic cancer and liver metastasis (N = 104) were included, and blood samples were collected from all patients. The mutant allele frequency was measured using amplicon-based deep sequencing on a cell-free DNA panel covering 14 genes with \u003e 240 hot spots. In patients with advanced pancreatic cancer, 50% (N = 52) had detectable ctDNA levels, with TP53 (45%, N = 47) and KRAS (42.3%, N = 44) mutations the most common. Patients with detectable circulating tumor DNA levels also had significantly worse overall survival and progression free survival than ctDNA negative patients (8.4 vs 16 months, P\u003c0.0001 for overall survival; 3.2 vs 7.9 months, P\u003c0.0001 for progression-free survival). In a multivariate analysis, ctDNA status was independently associated with overall survival and progression-free survival (HR = 3.1, 95%CI = 1.9–5.0, P\u003c0.0001; HR 2.6, 95%CI = 1.7–4.0, P\u003c0.0001, respectively). Moreover, circulating tumor DNA significantly correlated with a higher number of liver metastases, the presence of lung and/or peritoneal metastases, tumor burden, and higher carbohydrate antigen 19–9 levels. 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肝転移を伴う膵癌における circulating tumor DNA のバイオマーカーとしての有用性
http://hdl.handle.net/20.500.12000/0002018042
http://hdl.handle.net/20.500.12000/00020180420405b10e-5663-46c1-a69d-014feb60d69c
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Item type | 琉球大学リポジトリ登録用アイテムタイプ(1) | |||||||||
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公開日 | 2022-06-15 | |||||||||
タイトル | ||||||||||
タイトル | Evaluation of circulating tumor DNA as a biomarker in pancreatic cancer with liver metastasis | |||||||||
言語 | en | |||||||||
タイトル | ||||||||||
タイトル | 肝転移を伴う膵癌における circulating tumor DNA のバイオマーカーとしての有用性 | |||||||||
言語 | ja | |||||||||
作成者 |
上里, 安範
× 上里, 安範
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アクセス権 | ||||||||||
アクセス権 | open access | |||||||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||||||
権利情報 | ||||||||||
言語 | en | |||||||||
権利情報 | © 2020 Uesato et al. | |||||||||
権利情報 | ||||||||||
言語 | en | |||||||||
権利情報 | This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. | |||||||||
内容記述 | ||||||||||
内容記述タイプ | Abstract | |||||||||
内容記述 | Pancreatic cancer is an aggressive, solid tumor, with a grave prognosis. Despite surgical treatment in patients with pancreatic cancer, the rate of recurrence is high. In addition, although tumor biomarkers are frequently used to confirm advanced pancreatic cancer, this is not accurate and the biomarkers currently used cannot indicate prognosis. This study sought to evaluate circulating tumor DNA as a tumor biomarker to prognosticate pancreatic cancer. Patients with advanced pancreatic cancer and liver metastasis (N = 104) were included, and blood samples were collected from all patients. The mutant allele frequency was measured using amplicon-based deep sequencing on a cell-free DNA panel covering 14 genes with > 240 hot spots. In patients with advanced pancreatic cancer, 50% (N = 52) had detectable ctDNA levels, with TP53 (45%, N = 47) and KRAS (42.3%, N = 44) mutations the most common. Patients with detectable circulating tumor DNA levels also had significantly worse overall survival and progression free survival than ctDNA negative patients (8.4 vs 16 months, P<0.0001 for overall survival; 3.2 vs 7.9 months, P<0.0001 for progression-free survival). In a multivariate analysis, ctDNA status was independently associated with overall survival and progression-free survival (HR = 3.1, 95%CI = 1.9–5.0, P<0.0001; HR 2.6, 95%CI = 1.7–4.0, P<0.0001, respectively). Moreover, circulating tumor DNA significantly correlated with a higher number of liver metastases, the presence of lung and/or peritoneal metastases, tumor burden, and higher carbohydrate antigen 19–9 levels. This study supports the use of circulating tumor DNA as an independent prognostic marker for advanced pancreatic cancer. | |||||||||
言語 | en | |||||||||
出版者 | ||||||||||
言語 | ja | |||||||||
出版者 | 琉球大学 | |||||||||
出版者 | ||||||||||
言語 | en | |||||||||
出版者 | University of the Ryukyus | |||||||||
言語 | ||||||||||
言語 | eng | |||||||||
資源タイプ | ||||||||||
資源タイプ | doctoral thesis | |||||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_db06 | |||||||||
出版タイプ | ||||||||||
出版タイプ | VoR | |||||||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||||||
関連情報 | ||||||||||
識別子タイプ | DOI | |||||||||
関連識別子 | https://doi.org/10.1371/journal.pone.0235623 | |||||||||
収録物識別子 | ||||||||||
収録物識別子タイプ | EISSN | |||||||||
収録物識別子 | 1932-6203 | |||||||||
収録物名 | ||||||||||
言語 | en | |||||||||
収録物名 | PLoS ONE | |||||||||
学位授与番号 | ||||||||||
学位授与番号 | 甲第546号 | |||||||||
学位名 | ||||||||||
学位名 | 博士(医学) | |||||||||
言語 | ja | |||||||||
学位授与年月日 | ||||||||||
学位授与年月日 | 2022-03-18 | |||||||||
学位授与機関 | ||||||||||
学位授与機関識別子 | 18001 | |||||||||
学位授与機関識別子Scheme | kakenhi | |||||||||
学位授与機関名 | 琉球大学 | |||||||||
言語 | ja |