{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,16]],"date-time":"2026-07-16T11:05:45Z","timestamp":1784199945975,"version":"3.55.0"},"reference-count":47,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2026,6,12]],"date-time":"2026-06-12T00:00:00Z","timestamp":1781222400000},"content-version":"vor","delay-in-days":11,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"},{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Cancer Medicine"],"published-print":{"date-parts":[[2026,6]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>Biliary tract cancer (BTC) represents a heterogeneous disease with highly lethal malignancy and poor clinical outcomes. Here, we aimed to evaluate its genomic profiles to promote the development of precision medicine for BTC.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>Genomic analysis of 134 BTC patients was performed by using targeted panel sequencing in this study. The results of genomic testing were analyzed by integrating patients' clinicopathologic data, including treatment information and clinical outcomes. The significance of genetic alterations in our cohort was compared with western BTCs by using public repositories NGS data from ICGC cohort.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The most frequent genomic alterations were\n                      <jats:italic>TP53<\/jats:italic>\n                      (55.5%),\n                      <jats:italic>KRAS<\/jats:italic>\n                      (38.1%),\n                      <jats:italic>ARID1A<\/jats:italic>\n                      (17.2%), and\n                      <jats:italic>CDKN2A<\/jats:italic>\n                      (15.7%) in our cohort. Notably, Chinese BTC patients had a higher prevalence of\n                      <jats:italic>TP53, KRAS, and LRP1B<\/jats:italic>\n                      alterations compared with Western BTCs. Moreover, a higher frequency of\n                      <jats:italic>IDH and FGFR2<\/jats:italic>\n                      alterations was found in intrahepatic cholangiocarcinoma (ICA), whereas\n                      <jats:italic>BRIP1, KRAS, and POLE<\/jats:italic>\n                      alterations were more likely to accumulate in extrahepatic cholangiocarcinoma (ECA), and those with gallbladder carcinoma (GBC) had a higher prevalence of\n                      <jats:italic>NF1, MSH3, and PIK3R1<\/jats:italic>\n                      alterations. Furthermore, several genomic alterations were observed to have a significant impact on progression\u2010free survival (PFS) and overall survival (OS) in our cohort. NGS data from the ICGC cohort further validated that\n                      <jats:italic>TP53<\/jats:italic>\n                      was associated with inferior clinical outcomes both in Chinese and Western BTC patients, regardless of histopathologic subtypes or therapeutic approaches.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>We demonstrated the real\u2010world genomic characteristics of BTC patients, which may have promising implications for the development and application of precision medicine in the future. Well\u2010designed prospective studies are mandatory to validate the predictive role of significant genomic alterations observed in our study.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/cam4.71988","type":"journal-article","created":{"date-parts":[[2026,6,13]],"date-time":"2026-06-13T04:46:27Z","timestamp":1781325987000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Comprehensive Genomic Profiles of Patients With Biliary Tract Cancer"],"prefix":"10.1002","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6503-5744","authenticated-orcid":false,"given":"Xia","family":"Yang","sequence":"first","affiliation":[{"name":"Department of Pathology Sir Run Run Shaw Hospital of Zhejiang University  Zhejiang Hangzhou China"},{"name":"Department of Medical Oncology, Cancer Center of Zhejiang University, Sir Run Run Shaw Hospital School of Medicine, Zhejiang University  Zhejiang Hangzhou 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