{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,28]],"date-time":"2026-08-28T08:29:18Z","timestamp":1787905758520,"version":"build-2784847793"},"reference-count":21,"publisher":"Oxford University Press (OUP)","issue":"12","license":[{"start":{"date-parts":[[2023,8,29]],"date-time":"2023-08-29T00:00:00Z","timestamp":1693267200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,12,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:sec>\n                  <jats:title>Background<\/jats:title>\n                  <jats:p>Multiple studies have demonstrated the effectiveness of neoadjuvant chemotherapy and adjuvant chemotherapy in patients with upper tract urothelial carcinoma compared with surgery alone. However, no clinical trial has established the superiority of neoadjuvant chemotherapy or adjuvant chemotherapy in terms of perioperative outcomes.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods<\/jats:title>\n                  <jats:p>We conducted a retrospective analysis encompassing 164 upper tract urothelial carcinoma patients who underwent radical nephroureterectomy and received perioperative chemotherapy. Of these patients, 65 (39.6%) and 99 (60.4%) received neoadjuvant chemotherapy and adjuvant chemotherapy, respectively. Recurrence-free survival and cancer-specific survival were computed using the Kaplan\u2013Meier method. Additionally, we conducted Cox regression analyses to evaluate the risk factors for recurrence-free survival and cancer-specific survival.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results<\/jats:title>\n                  <jats:p>Pathological downstaging was seen in 37% of the neoadjuvant chemotherapy group. However, no pathological complete response was observed in this cohort. The Kaplan\u2013Meier curves demonstrated significantly lower recurrence-free survival and cancer-specific survival in patients who received adjuvant chemotherapy. Multivariate Cox regression analysis revealed patients treated with adjuvant chemotherapy exhibited a marked association with inferior recurrence-free survival and cancer-specific survival.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion<\/jats:title>\n                  <jats:p>Our study has suggested that neoadjuvant chemotherapy would be more effective in high-risk upper tract urothelial carcinoma patients compared with adjuvant chemotherapy.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1093\/jjco\/hyad118","type":"journal-article","created":{"date-parts":[[2023,8,30]],"date-time":"2023-08-30T21:50:48Z","timestamp":1693432248000},"page":"1208-1214","source":"Crossref","is-referenced-by-count":15,"title":["Comparison of neoadjuvant and adjuvant chemotherapy for upper tract urothelial carcinoma in real-world practice: a multicenter retrospective study"],"prefix":"10.1093","volume":"53","author":[{"given":"Kazuhiro","family":"Takahashi","sequence":"first","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2599-8183","authenticated-orcid":false,"given":"Fumihiko","family":"Urabe","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yushi","family":"Suhara","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juria","family":"Nakano","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kentaro","family":"Yoshihara","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"},{"name":"Department of Urology, Jikei Katsushika Medical Center , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuma","family":"Goto","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ibuki","family":"Sadakane","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuhei","family":"Koike","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , 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Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kosuke","family":"Iwatani","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"},{"name":"Department of Urology, Jikei University Kashiwa Hospital , Chiba , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Imai","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Keigo","family":"Sakanaka","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Minoru","family":"Nakazono","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takashi","family":"Kurauchi","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sotaro","family":"Kayano","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hajime","family":"Onuma","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Koichi","family":"Aikawa","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , 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Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akira","family":"Furuta","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun","family":"Miki","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"},{"name":"Department of Urology, Jikei University Kashiwa Hospital , Chiba , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takahiro","family":"Kimura","sequence":"additional","affiliation":[{"name":"Department of Urology, The Jikei University School of Medicine , Tokyo , Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2023,8,29]]},"reference":[{"key":"2023120714395854200_ref1","first-page":"350","article-title":"Upper tract 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