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J

J. Alfred Witjes

Radboud University Nijmegen

100H-index
568Paper Count
4.4WCitation Count
Published Papers 281
Publication Date
UPDATED ANALYSIS OF COST-EFFECTIVENESS AMONG BLADDER-SPARING TREATMENTS FOR BCG-UNRESPONSIVE CIS: INCORPORATING RECENTLY APPROVED AND ESTABLISHED THERAPIES
err2026-05-01
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PREAI
errMyers, Amanda A.; Talwar, Ruchika; Duan, Zhigang; Hensley, Patrick; Lotan, Yair; Williams, Stephen B.; Luckenbaugh, Amy N.; Li, Roger; Kassouf, Wassim; Necchi, Andrea; Packiam, Vignesh T.; Shore, Neal D.; Steinberg, Gary D.; Witjes, J. Alfred; Schmidt, Bogdana; Porten, Sima; Hahn, Noah M.; Bree, Kelly K.; Toumazis, Iakovos; Zhao, Hui; Kamat, Ashish M.
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Multiparametric Magnetic Resonance Imaging and Vesical Imaging-Reporting and Data System (VI-RADS) for Bladder Cancer Diagnosis and Staging: A Guide for Clinicians from the American College of Radiology VI-RADS Steering Committee
err2025-10-31
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errValeria Panebianco; Alberto Briganti; Jason A. Efstathiou; Samuel J. Galgano; Lyndon Luk; Valdair F. Muglia; Bernadette Redd; Maarten de Rooij; Mitsuru Takeuchi; Sungmin Woo; H. Alberto Vargas; J. Alfred Witjes
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Adjuvant nivolumab versus placebo for high-risk muscle-invasive urothelial carcinoma: 5-year efficacy and ctDNA results from CheckMate 274
err2025-10-17
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errM.D. Galsky; J.E. Gschwend; M.I. Milowsky; M. Schenker; B.P. Valderrama; Y. Tomita; A. Bamias; T. Lebret; S.F. Shariat; S.H. Park; M. Agerbaek; G. Jha; F. Stenner; D. Ye; F. Giudici; J. Connors; S. Gupta; A. Chhibber; J. Zhang; D.F. Bajorin; J.A. Witjes
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Cost-effectiveness Analysis of Treatments for Bacillus Calmette-Guérin–unresponsive Carcinoma in Situ of the Bladder
err2025-10-04
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PREAI
errAmanda A. Myers; Ruchika Talwar; Zhigang Duan; Patrick Hensley; Yair Lotan; Stephen B. Williams; Amy N. Luckenbaugh; Roger Li; Wassim Kassouf; Andrea Necchi; Vignesh T. Packiam; Neal Shore; Gary D. Steinberg; J.Alfred Witjes; Bogdana Schmidt; Sima Porten; Noah M. Hahn; Kelly K. Bree; Iakovos Toumazis; Hui Zhao; Ashish M. Kamat
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Impact of multiparametric MRI and prostate biopsies on anxiety and quality of life in men with suspected prostate cancer
err2025-10-01
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errHamoen, Esther H. J.; Israel, Bas; Van der Leest, Marloes; Cornel, Erik B.; Klaver, O. Sjoerd; Hendriks, Rianne J.; Veltman, Jeroen; Van Oort, Inge M.; Hannink, Gerjon; Witjes, J. Alfred; Barentsz, Jelle O.; Rovers, Maroeska M.
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VI-RADS quality score: development and proposal of a scoring system by the American College of Radiology VI-RADS Steering Committee
err2025-08-20
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PREAI
errSungmin Woo; Lyndon Luk; Valdair F. Muglia; Alberto Briganti; Jason Efstathiou; Samuel J. Galgano; Bernadette Redd; Maarten de Rooij; Mitsuru Takeuchi; J. Alfred Witjes; H. Alberto Vargas; Valeria Panebianco
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Health-related quality of life in patients treated for non-metastatic muscle-invasive bladder cancer: radical cystectomy versus bladder preserving therapy
err2025-07-03
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errKatharina Brück; Vera Atema; Annemarie M. Leliveld; Martine Franckena; Richard P. Meijer; Michiel S. van der Heijden; A. Rogier Donders; J. Alfred Witjes; Carin A. Uyl-de Groot; Lisa M.C. van Hoogstraten; Lambertus A. Kiemeney; Joost L. Boormans; Katja K.H. Aben; Maarten C.C.M. Hulshof
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Physical activity and risks of recurrence and progression among patients with non-muscle invasive bladder cancer
err2025-06-30
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errOAAI
errIvy Beeren; Joann Kiebach; Jasper P. Hof; Laurien M. Buffart; Katja K. H. Aben; J. Alfred Witjes; Antoine G. van der Heijden; Lambertus A. L. M. Kiemeney; Alina Vrieling
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A study of oral metformin for the intravesical treatment of non-muscle-invasive bladder cancer
err2025-05-22
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errJons W. van Hattum; Marinka J. Remmelink; Sieb T. Nuijens; Ben Max de Ruiter; Gerrit K.J. Hooijer; Jorg R. Oddens; C. Dilara Savci-Heijink; Ron Mathot; J. Alfred Witjes; Michael .N. Pollak; Theo M. de Reijke; Remco J. Molenaar; Hanneke W. Wilmink
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The impact of treatment for muscle-invasive bladder cancer on health-related quality of life
err2025-04-01
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errOAAI
errNuijens, Siberyn T.; van Hoogstraten, Lisa M. C.; Terpstra, Noelle B.; Beeren, Ivy; Vrieling, Alina; Wijnen, Eveline M.; Meijer, Richard P.; Kiemeney, Lambertus A.; Witjes, J. Alfred; Aben, Katja K. H.
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Fluid intake and recurrence and progression risk of patients with non-muscle-invasive bladder cancer
err2025-01-25
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errOAAI
errBeeren, Ivy; Meijer, Hilde; van Der Heijden, Antoine G.; Aben, Katja K. H.; Witjes, J. Alfred; Kiemeney, Lambertus A. L. M.; Vrieling, Alina
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Smoking behavior and the risks of tumor recurrence and progression in patients with non-muscle-invasive bladder cancer
err2024-11-05
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errOAAI
errKiebach, Joann; Beeren, Ivy; Aben, Katja K. H.; Witjes, J. Alfred; van der Heijden, Antoine G.; Kiemeney, Lambertus A. L. M.; Vrieling, Alina
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Health-related Quality of Life During the First 4 Years After Non-Muscle-invasive Bladder Cancer Diagnosis: Results of a Large Multicentre Prospective Cohort
err2024-08-01
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PREAI
errBeeren, Ivy; Klerks, Nena E.; Aben, Katja K.; Oddens, Jorg R.; Witjes, J. Alfred; Kiemeney, Lambertus A.; Vrieling, Alina
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European Association of Urology Guidelines on Muscle-invasive and Metastatic Bladder Cancer: Summary of the 2023 Guidelines (vol 85, pg 17, 2024)
err2024-06-01
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errWitjes, J. Alfred; Bruins, Harman Max; Carrion, Albert; Cathomas, Richard; Comperat, Eva; Efstathiou, Jason A.; Fietkau, Rainer; Gakis, Georgios; Lorch, Anja; Martini, Alberto; Mertens, Laura S.; Meijer, Richard P.; Milowsky, Matthew I.; Neuzillet, Yann; Panebiaco, Valeria; Redlef, John; Rink, Michael; Rouanne, Mathieu; Thalmann, George N.; Saebjornsen, Saebjorn; Veskimae, Erik; Mariappan, Paramananthan; van der Heijden, Antoine G.
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Disease-free Survival Analysis for Patients with High-risk Muscle-invasive Urothelial Carcinoma from the Randomized CheckMate 274 Trial by PD-L1 Combined Positive Score and Tumor Cell Score (vol 83, pg 432, 2024)
err2024-03-01
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errGalsky, Matthew D.; Bajorin, Dean F.; Witjes, Johannes Alfred; Gschwend, Juergen E.; Tomita, Yoshihiko; Nasroulah, Federico; Li, Jun; Collette, Sandra; Valderrama, Begona P.; Grimm, Marc-Oliver; Appleman, Leonard; Gravis, Gwenaelle; Necchi, Andrea; Ye, Dingwei; Stenner, Frank; Wind-Rotolo, Megan; Zhang, Joshua; uensal-Kacmaz, Keziban
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Disease-Free Survival of Patients With Muscle- Invasive Bladder Cancer Treated With Radical Cystectomy Versus Bladder-Preserving Therapy: A Nationwide Study
err2024-01-01
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errBruck, Katharina; Meijer, Richard P.; Boormans, Joost L.; Kiemeney, Lambertus A.; Witjes, J. Alfred; van Hoogstraten, Lisa M. C.; van der Heijden, Michiel S.; Donders, A. Rogier; Franckena, Martine; de Groot, Carin A. Uyl; Leliveld, Annemarie M.; Aben, Katja K. H.; Hulshof, Maarten C. C. M.
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European Association of Urology Guidelines on Muscle-invasive and Metastatic Bladder Cancer: Summary of the 2023 Guidelines
err2024-01-01
err120
errOAAI
errWitjes, J. Alfred; Bruins, Harman Max; Carrion, Albert; Cathomas, Richard; Comperat, Eva; Efstathiou, Jason A.; Fietkau, Rainer; Gakis, Georgios; Lorch, Anja; Martini, Alberto; Mertens, Laura S.; Meijer, Richard P.; Milowsky, Matthew I.; Neuzillet, Yann; Panebianco, Valeria; Redlef, John; Rink, Michael; Rouanne, Mathieu; Thalmann, George N.; Saebjornsen, Saebjorn; Veskimae, Erik; Heijden, Antoine G. van der
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Clinical application of bladder MRI and the Vesical Imaging-Reporting And Data System
err2023-11-30
err10
PREAI
errPanebianco, Valeria; Briganti, Alberto; Boellaard, Thierry N.; Catto, James; Comperat, Eva; Efstathiou, Jason; van der Heijden, Antoine G.; Giannarini, Gianluca; Girometti, Rossano; Mertens, Laura; Takeuchi, Mitsuru; Muglia, Valdair F.; Narumi, Yoshifumi; Novara, Giacomo; Pecoraro, Martina; Roupret, Morgan; Sanguedolce, Francesco; Santini, Daniele; Shariat, Shahrokh F.; Simone, Giuseppe; Vargas, Hebert A.; Woo, Sungmin; Barentsz, Jelle; Witjes, J. Alfred
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Staging fluorodeoxyglucose positron emission tomography/computed tomography for muscle-invasive bladder cancer: a nationwide population-based study
err2023-06-15
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errOAAI
errRichters, Anke; van Ginkel, Noor; Meijer, Richard P.; Wondergem, Maurits; Schoots, Ivo; Vis, Andre N.; Kiemeney, Lambertus A. L. M.; van Rhijn, Bas W. G.; Witjes, J. Alfred; Aben, Katja K. H.; Mertens, Laura S.
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