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Ronald de Wit

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Ronald de Wit is a professor of medical oncology at Erasmus University Medical Center in Rotterdam, Netherlands.[1] He is the founding chairman of the Dutch Uro-Oncology Study Group (DUOS).[2]

Early life and education[edit]

Ronald de Wit was born on August 8, 1955, in Amsterdam. He earned his MD from the University of Amsterdam and became a Registered Specialist in Internal Medicine. In 1990, he completed his training in Medical Oncology and earned his PhD[3] on the topic "Treatment Aspects of AIDS-associated Kaposi’s Sarcoma" comprising research work published in the Lancet[4]

Research and career[edit]

Ronald de Wit has been the lead investigator or senior author on numerous trials related to germ cell cancer.[5][6] One trial demonstrated that three cycles of BEP were an adequate treatment for good-risk metastatic disease.[7] He has been involved in several clinical research projects on prostate cancer. One study identified docetaxel as an effective treatment for castrate-resistant prostate cancer.[8]


He was the Lead author of the CARD trial reported in the New England Journal of Medicine in 2019.[9][10][11][12]

His research encompasses both clinical and translational studies, focusing on the interplay between taxanes and the latest hormonal agents, as well as biomarker investigations.[13]

He is also affiliated with the Research Unit for Translational Pharmacology in the Department of Medical Oncology at Erasmus University Medical Center. During the 2010s, he participated in industry-led immunotherapy trials in urothelial carcinoma Wikipedia Transitional cell carcinoma.

These trials paved the way for the approval of Pembrolizumab in both second and first-line treatments, including for non-muscle invasive disease.[14][15][16][17][18][19]

His contributions extend to translational and immuno-oncology research,[20] specifically on biomarker studies that determine prognostic and predictive factors for checkpoint inhibition. In addition to his contributions in the treatment of urological cancers, Ronald de Wit has been involved in advancing the management of chemotherapy-induced nausea and vomiting. He introduced a statistical method that revealed the diminishing efficacy of 5HT3 Receptor antagonists as antiemetic treatment over consecutive cycles of therapy, primarily due to their inability to manage delayed nausea effectively.[21] He played a role in the development and subsequent FDA and EMA approval of the NK1 antagonist aprepitant[[1]]. His research highlighted that when 5HT3 and NK1 drugs are used in combination, they offer considerably enhanced efficacy throughout multiple cycles due to improved control over delayed nausea and emesis.[22]


Selected publications[edit]

  • Ronald de Wit, Stephen J. Freedland, Stephane Oudard, Georgi Marinov, Philippe Capart, Austin J. Combest, Ryan Peterson, Ayse Ozatilgan, and Alicia K. Morgans. Real-world evidence of patients with metastatic castration-resistant prostate cancer treated with cabazitaxel: comparison with the randomized clinical study CARD.[23]
  • Ronald de Wit, Thomas Powles, Daniel Castellano, Andrea Necchi, Jae-Lyun Lee, Michiel S. van der Heijden, Nobuaki Matsubara, Aristotelis Bamias, Aude Fléchon, Cora N. Sternberg, Alexandra Drakaki, Evan Y. Yu, Annamaria H. Zimmermann, Amanda Long, Richard A. Walgren, Ling Gao, Katherine M. Bell-McGuinn, and Daniel P. Petrylak. Exposure-response relationship of ramucirumab in RANGE, a randomized phase III trial in advanced urothelial carcinoma refractory to platinum therapy.[24]
  • Ronald de Wit, Bertrand Tombal, and Stephen Freedland. Use of Chemotherapy and Androgen Signaling–targeted Inhibitors in Patients with Metastatic Prostate Cancer.
  • Ronald de Wit. Refinement of the Management of Germ Cell Cancer: What’s Next?.[25]
  • Ronald de Wit, Johann de Bono, Cora N. Sternberg, Karim Fizazi, Bertrand Tombal, Christian Wülfing, Gero Kramer, Jean-Christophe Eymard, Aristotelis Bamias, Joan Carles, and Roberto Iacovelli. Bohuslav MelicharCabazitaxel versus Abiraterone or Enzalutamide in Metastatic Prostate Cancer.[26]

External links[edit]

References[edit]

  1. ^ "Erasmus MC Cancer Institute Researchers".
  2. ^ "Dutch Uro- Oncology Studygroup (DUOS)". Stichting DUOS (in Dutch). Retrieved 2023-06-13.
  3. ^ "Album Academicum".
  4. ^ de Wit, R; Schattenkerk, JK; Boucher, CA; Bakker, PJ; Veenhof, KH; Danner, SA (26 November 1988). "Clinical and virological effects of high-dose recombinant interferon-alpha in disseminated AIDS-related Kaposi's sarcoma". Lancet (London, England). 2 (8622): 1214–7. doi:10.1016/s0140-6736(88)90810-0. PMID 2903953.
  5. ^ de Wit, R; Stoter, G; Kaye, S B; Sleijfer, D T; Jones, W G; ten Bokkel Huinink, W W; Rea, L A; Collette, L; Sylvester, R (May 1997). "Importance of bleomycin in combination chemotherapy for good-prognosis testicular nonseminoma: a randomized study of the European Organization for Research and Treatment of Cancer Genitourinary Tract Cancer Cooperative Group". Journal of Clinical Oncology. 15 (5): 1837–1843. doi:10.1200/JCO.1997.15.5.1837. ISSN 0732-183X. PMID 9164193.
  6. ^ de Wit, R; Skoneczna, I; Daugaard, G; De Santis, M; Garin, A; Aass, N; Witjes, AJ; Albers, P; White, JD; Germa-Lluch, JR; Marreaud, S; Collette, L (10 March 2012). "Randomized phase III study comparing paclitaxel-bleomycin, etoposide, and cisplatin (BEP) to standard BEP in intermediate-prognosis germ-cell cancer: intergroup study EORTC 30983". Journal of clinical oncology : official journal of the American Society of Clinical Oncology. 30 (8): 792–9. doi:10.1200/JCO.2011.37.0171. hdl:2445/125249. PMID 22271474.
  7. ^ de Wit, R; Roberts, JT; Wilkinson, PM; de Mulder, PH; Mead, GM; Fosså, SD; Cook, P; de Prijck, L; Stenning, S; Collette, L (15 March 2001). "Equivalence of three or four cycles of bleomycin, etoposide, and cisplatin chemotherapy and of a 3- or 5-day schedule in good-prognosis germ cell cancer: a randomized study of the European Organization for Research and Treatment of Cancer Genitourinary Tract Cancer Cooperative Group and the Medical Research Council". Journal of clinical oncology : official journal of the American Society of Clinical Oncology. 19 (6): 1629–40. doi:10.1200/JCO.2001.19.6.1629. PMID 11250991.
  8. ^ Tannock, IF; de Wit, R; Berry, WR; Horti, J; Pluzanska, A; Chi, KN; Oudard, S; Théodore, C; James, ND; Turesson, I; Rosenthal, MA; Eisenberger, MA; TAX 327, Investigators (7 October 2004). "Docetaxel plus prednisone or mitoxantrone plus prednisone for advanced prostate cancer". The New England journal of medicine. 351 (15): 1502–12. doi:10.1056/NEJMoa040720. PMID 15470213.{{cite journal}}: CS1 maint: numeric names: authors list (link)
  9. ^ de Wit, R; de Bono, J; Sternberg, CN; Fizazi, K; Tombal, B; Wülfing, C; Kramer, G; Eymard, JC; Bamias, A; Carles, J; Iacovelli, R; Melichar, B; Sverrisdóttir, Á; Theodore, C; Feyerabend, S; Helissey, C; Ozatilgan, A; Geffriaud-Ricouard, C; Castellano, D; CARD, Investigators (26 December 2019). "Cabazitaxel versus Abiraterone or Enzalutamide in Metastatic Prostate Cancer". The New England journal of medicine. 381 (26): 2506–2518. doi:10.1056/NEJMoa1911206. hdl:1854/LU-8730504. PMID 31566937.
  10. ^ "ASCO Post Newsreels Ronald de Wit".
  11. ^ "OncLive Ronald de Wit".
  12. ^ "NOS artikel Betere behandeling voor deel prostaatkankerpatiënten".
  13. ^ "Clinical and Translational Research Program of Genito Urinary Medical Oncology". Erasmus MC Cancer Institute.
  14. ^ Bellmunt, J; de Wit, R; Vaughn, DJ; Fradet, Y; Lee, JL; Fong, L; Vogelzang, NJ; Climent, MA; Petrylak, DP; Choueiri, TK; Necchi, A; Gerritsen, W; Gurney, H; Quinn, DI; Culine, S; Sternberg, CN; Mai, Y; Poehlein, CH; Perini, RF; Bajorin, DF; KEYNOTE-045, Investigators (16 March 2017). "Pembrolizumab as Second-Line Therapy for Advanced Urothelial Carcinoma". The New England journal of medicine. 376 (11): 1015–1026. doi:10.1056/NEJMoa1613683. hdl:2066/170338. PMID 28212060.{{cite journal}}: CS1 maint: numeric names: authors list (link)
  15. ^ Balar, AV; Castellano, D; O'Donnell, PH; Grivas, P; Vuky, J; Powles, T; Plimack, ER; Hahn, NM; de Wit, R; Pang, L; Savage, MJ; Perini, RF; Keefe, SM; Bajorin, D; Bellmunt, J (November 2017). "First-line pembrolizumab in cisplatin-ineligible patients with locally advanced and unresectable or metastatic urothelial cancer (KEYNOTE-052): a multicentre, single-arm, phase 2 study". The Lancet. Oncology. 18 (11): 1483–1492. doi:10.1016/S1470-2045(17)30616-2. PMID 28967485.
  16. ^ Balar, AV; Kamat, AM; Kulkarni, GS; Uchio, EM; Boormans, JL; Roumiguié, M; Krieger, LEM; Singer, EA; Bajorin, DF; Grivas, P; Seo, HK; Nishiyama, H; Konety, BR; Li, H; Nam, K; Kapadia, E; Frenkl, T; de Wit, R (July 2021). "Pembrolizumab monotherapy for the treatment of high-risk non-muscle-invasive bladder cancer unresponsive to BCG (KEYNOTE-057): an open-label, single-arm, multicentre, phase 2 study". The Lancet. Oncology. 22 (7): 919–930. doi:10.1016/S1470-2045(21)00147-9. PMID 34051177.
  17. ^ "Ronald de Wit, MD, PhD, on Bladder Cancer: Results From KEYNOTE-057". ASCO Post Newsreels.
  18. ^ Necchi, A; Roumiguié, M; Kamat, AM; Shore, ND; Boormans, JL; Esen, AA; Lebret, T; Kandori, S; Bajorin, DF; Krieger, LEM; Niglio, SA; Uchio, EM; Seo, HK; de Wit, R; Singer, EA; Grivas, P; Nishiyama, H; Li, H; Baranwal, P; Van den Sigtenhorst-Fijlstra, M; Kapadia, E; Kulkarni, GS (June 2024). "Pembrolizumab monotherapy for high-risk non-muscle-invasive bladder cancer without carcinoma in situ and unresponsive to BCG (KEYNOTE-057): a single-arm, multicentre, phase 2 trial". The Lancet. Oncology. 25 (6): 720–730. doi:10.1016/S1470-2045(24)00178-5. PMID 38740030.
  19. ^ "Prof. Ronald de Wit". Vimeo.
  20. ^ "Clinical and Translational Research Program of Genito Urinary Medical Oncology". Erasmus MC Cancer Institute.
  21. ^ de Wit, R; Schmitz, PI; Verweij, J; de Boer-Dennert, M; de Mulder, PH; Planting, AS; van der Burg, ME; Stoter, G (February 1996). "Analysis of cumulative probabilities shows that the efficacy of 5HT3 antagonist prophylaxis is not maintained". Journal of clinical oncology : official journal of the American Society of Clinical Oncology. 14 (2): 644–51. doi:10.1200/JCO.1996.14.2.644. hdl:2066/22829. PMID 8636782.
  22. ^ de Wit, R; Herrstedt, J; Rapoport, B; Carides, AD; Carides, G; Elmer, M; Schmidt, C; Evans, JK; Horgan, KJ (15 November 2003). "Addition of the oral NK1 antagonist aprepitant to standard antiemetics provides protection against nausea and vomiting during multiple cycles of cisplatin-based chemotherapy". Journal of clinical oncology : official journal of the American Society of Clinical Oncology. 21 (22): 4105–11. doi:10.1200/JCO.2003.10.128. PMID 14559891.
  23. ^ de Wit, Ronald; Freedland, Stephen J.; Oudard, Stephane; Marinov, Georgi; Capart, Philippe; Combest, Austin J.; Peterson, Ryan; Ozatilgan, Ayse; Morgans, Alicia K. (March 2023). "Real-world evidence of patients with metastatic castration-resistant prostate cancer treated with cabazitaxel: comparison with the randomized clinical study CARD". Prostate Cancer and Prostatic Diseases. 26 (1): 67–73. doi:10.1038/s41391-021-00487-1. ISSN 1476-5608. PMC 10023563. PMID 35039605.
  24. ^ de Wit, Ronald; Powles, Thomas; Castellano, Daniel; Necchi, Andrea; Lee, Jae-Lyun; van der Heijden, Michiel S.; Matsubara, Nobuaki; Bamias, Aristotelis; Fléchon, Aude; Sternberg, Cora N.; Drakaki, Alexandra; Yu, Evan Y.; Zimmermann, Annamaria H.; Long, Amanda; Walgren, Richard A. (July 2022). "Exposure-response relationship of ramucirumab in RANGE, a randomized phase III trial in advanced urothelial carcinoma refractory to platinum therapy". British Journal of Clinical Pharmacology. 88 (7): 3182–3192. doi:10.1111/bcp.15233. ISSN 0306-5251. PMC 9302693. PMID 35029306.
  25. ^ de Wit, Ronald (2019-11-20). "Refinement of the Management of Germ Cell Cancer: What's Next?". Journal of Clinical Oncology. 37 (33): 3063–3065. doi:10.1200/JCO.19.02302. ISSN 0732-183X. PMID 31584840. S2CID 208400906.
  26. ^ de Wit, Ronald; de Bono, Johann; Sternberg, Cora N.; Fizazi, Karim; Tombal, Bertrand; Wülfing, Christian; Kramer, Gero; Eymard, Jean-Christophe; Bamias, Aristotelis; Carles, Joan; Iacovelli, Roberto; Melichar, Bohuslav; Sverrisdóttir, Ásgerður; Theodore, Christine; Feyerabend, Susan (2019-12-26). "Cabazitaxel versus Abiraterone or Enzalutamide in Metastatic Prostate Cancer". New England Journal of Medicine. 381 (26): 2506–2518. doi:10.1056/NEJMoa1911206. hdl:2066/215761. ISSN 0028-4793. PMID 31566937.
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