{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T19:39:33Z","timestamp":1783021173665,"version":"3.54.6"},"reference-count":5,"publisher":"Elsevier BV","issue":"1","license":[{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2026,7,1]],"date-time":"2026-07-01T00:00:00Z","timestamp":1782864000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["European Urology"],"published-print":{"date-parts":[[2026,7]]},"DOI":"10.1016\/j.eururo.2026.02.017","type":"journal-article","created":{"date-parts":[[2026,3,20]],"date-time":"2026-03-20T21:31:56Z","timestamp":1774042316000},"page":"e13-e14","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":0,"title":["Re: Hiroshi Kitamura, Taiji Tsukamoto, Yoshiyuki Kakehi, et al. Active Surveillance Versus Intravesical Bacillus Calmette-Gu\u00e9rin for High-grade T1 Bladder Cancer with Negative Second Transurethral Resection: The Randomized Noninferiority Phase 3 JCOG1019 Trial. Eur Urol. 2026;89:437\u2013445"],"prefix":"10.1016","volume":"90","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-7011-0537","authenticated-orcid":false,"given":"Roberto","family":"Contieri","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Massimo","family":"Lazzeri","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sisto","family":"Perdon\u00e0","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rodolfo","family":"Hurle","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.eururo.2026.02.017_b0005","doi-asserted-by":"crossref","unstructured":"Kitamura H, Tsukamoto T, Kakehi Y, et al. Active surveillance versus intravesical bacillus Calmette-Gu\u00e9rin for high-grade t1 bladder cancer with negative second transurethral resection: the randomized noninferiority phase 3 JCOG1019 trial. Eur Urol 2026;89:437\u201345.","DOI":"10.1016\/j.eururo.2026.01.008"},{"key":"10.1016\/j.eururo.2026.02.017_b0010","doi-asserted-by":"crossref","first-page":"564","DOI":"10.1016\/j.euf.2023.03.025","article-title":"When and how to perform active surveillance for low-risk non\u2013muscle-invasive bladder cancer","volume":"9","author":"Contieri","year":"2023","journal-title":"Eur Urol Focus"},{"key":"10.1016\/j.eururo.2026.02.017_b0015","doi-asserted-by":"crossref","first-page":"438","DOI":"10.1097\/01.ju.0000076621.71247.6c","article-title":"Expectant management of small, recurrent, noninvasive papillary bladder tumors","volume":"170","author":"Soloway","year":"2003","journal-title":"J Urol"},{"key":"10.1016\/j.eururo.2026.02.017_b0020","doi-asserted-by":"crossref","first-page":"251","DOI":"10.1016\/j.euo.2021.05.002","article-title":"Long-term follow-up and factors associated with active surveillance failure for patients with non\u2013muscle-invasive bladder cancer: the Bladder Cancer Italian Active Surveillance (BIAS) experience","volume":"5","author":"Contieri","year":"2022","journal-title":"Eur Urol Oncol"},{"key":"10.1016\/j.eururo.2026.02.017_b0025","doi-asserted-by":"crossref","first-page":"531","DOI":"10.1016\/j.eururo.2024.07.027","article-title":"European Association of Urology guidelines on non\u2013muscle-invasive bladder cancer (TaT1 and carcinoma in situ)\u2014a summary of the 2024 guidelines update","volume":"86","author":"Gontero","year":"2024","journal-title":"Eur Urol"}],"container-title":["European Urology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0302283826020385?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S0302283826020385?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2026,7,2]],"date-time":"2026-07-02T18:38:45Z","timestamp":1783017525000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S0302283826020385"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,7]]},"references-count":5,"journal-issue":{"issue":"1","published-print":{"date-parts":[[2026,7]]}},"alternative-id":["S0302283826020385"],"URL":"https:\/\/doi.org\/10.1016\/j.eururo.2026.02.017","relation":{},"ISSN":["0302-2838"],"issn-type":[{"value":"0302-2838","type":"print"}],"subject":[],"published":{"date-parts":[[2026,7]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Re: Hiroshi Kitamura, Taiji Tsukamoto, Yoshiyuki Kakehi, et al. Active Surveillance Versus Intravesical Bacillus Calmette-Gu\u00e9rin for High-grade T1 Bladder Cancer with Negative Second Transurethral Resection: The Randomized Noninferiority Phase 3 JCOG1019 Trial. Eur Urol. 2026;89:437\u2013445","name":"articletitle","label":"Article Title"},{"value":"European Urology","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.eururo.2026.02.017","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"simple-article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2026 European Association of Urology. Published by Elsevier B.V. All rights are reserved, including those for text and data mining, AI training, and similar technologies.","name":"copyright","label":"Copyright"}]}}