Abandonment of Routine Radiotherapy for Nonlocally Advanced Rectal Cancer and Oncological Outcomes

Author:

Hazen Sanne-Marije J. A.123,Sluckin Tania C.123,Intven Martijn P. W.4,Beets Geerard L.56,Beets-Tan Regina G. H.67,Borstlap Wernard A. A.8,Buffart Tineke E.29,Buijsen Jeroen1011,Burger Jacobus W. A.12,van Dieren Susan213,Furnée Edgar J. B.14,Geijsen E. Debby215,Hompes Roel28,Horsthuis Karin316,Leijtens Jeroen W. A.17,Maas Monique7,Melenhorst Jarno618,Nederend Joost19,Peeters Koen C. M. J.20,Rozema Tom21,Tuynman Jurriaan B.123,Verhoef Cornelis22,de Vries Marianne23,van Westreenen Henderik L.24,de Wilt Johannes H.W.25,Zimmerman David D. E.26,Marijnen Corrie A. M.2728,Tanis Pieter J.23822,Kusters Miranda123,Aalbers Arend G. J.29,van Aalten Susanna M.29,Acherman Yair I. Z.29,Algie Gijs D.29,Alting von Geusau E. Boudewijn29,Amelung Femke J.29,Ankersmit Marjolein29,Antonisse Imogeen E.29,Ashruf Jesse F.29,Aukema Tjeerd S.29,Avenarius Henk29,Bahadoer Renu R.29,Bakers Frans C. H.29,Bakker Ilsalien S.29,Bangert Fleur29,Barendse Renée M.29,Bartels S. A.29,Basha S.29,van Bastelaar J.29,Bastiaansen Antonius J. N. M.29,van Beek S. C.29,Beekhuis Heleen M.D.29,Belgers Eric H. J.29,Bemelman Willem A.29,Berbée Maaike29,van den Berg C.29,ten Berge H. A.29,de Bie Shira H.29,van der Bilt Jarmila D. W.29,Bisschops Robert H. C.29,Bleeker W.29,Blok J.29,Blok Robin D.29,van Bockel Liselotte W.29,Boer Anniek H.29,den Boer Frank C.29,Boerma Evert-Jan G.29,Bonjer H. Jaap29,Boogerd Leonora S. F.29,Borstlap Jaap29,van den Bosch I.29,Bosker Robbert J. I29,Bosmans J. W.29,Boute M. C.29,Bouvy Nicole D.29,Bouwman Johanna E.29,Braak Sicco J.29,Braat Manon N. G. J. A.29,Bradshaw Jennifer29,Brandsma Amarins T. A.29,Brandt-Kerkhof, A.29,van Breest Smallenburg Vivian29,Brinkman D. J.29,van den Broek Wim T.29,Bruin S.29,Bruns Emma R. J.29,Burbach J. P. Maarten29,van der Burg Sjirk W.29,Burghgraef Thijs A.29,Buskens Christianne J.29,ten Cate David W. G.29,Ceha Heleen M.29,Clermonts Stefan29,Cnossen Jeltsje S.29,Coebergh van den Braak Robert R. J.29,Coene Peter Paul L. O.29,Compaan C.29,Consten Esther C. J.29,Corver Maaike29,Crolla Rogier M. P. H.29,Curutchet Sam29,Daniëls-Gooszen Alette W29,Darbyshire T.29,Davids Paul H. P.29,Deijen Charlotte L.29,Dekker Emmelie N.29,Dekker Jan Willem T.29,Demirkiran Ahmet29,Derksen Tyche29,Derkx-Hendriksen M.29,Diederik Arjen L.29,Dijkstra F. R.29,Dinaux Anne M.29,Dogan Kemal29,van Dop Ilse M.29,Droogh-de Greve Kitty E.29,Duijsens Hanneke M.H.29,van Duijvendijk P.29,den Dulk Marcel29,Dunker Michalda S.29,Duyck Johan29,van Duyn Eino B.29,van Eekelen C.29,van Egdom Laurentine S. E.29,Eijlers Bram29,Eijsbouts Q. E.29,El-Massoudi Youssef29,van Elderen Saskia29,Emmen Anouk M. L. H.29,Engelbrecht Marc29,van Erp Anne C.29,van Essen Jeroen A.29,Fabry Hans F. J.29,Fassaert Thomas29,Feitsma Eline A.29,Ferenschild F.29,Feshtali Shirin S.29,Foppen J.W.29,Frietman Bas29,van Gangelt K.29,van Geel Anne29,van Geloven Anne A.W.29,Gerhards Michael F.29,Gerven P.29,Gielkens Hugo29,van Gils Renza29,Goense Lucas29,Gooszen Jan A. H.29,Govaert Johannes A.29,Govaert Marc J. P. M.29,de Graaf Eelco J. R.29,van Grevenstein Wilhelmina M. U.29,de Groof E. Joline29,de Groot Irene29,de Haas Robbert J.29,Haen Roel29,van der Hagen S. J.29,Hakkenbrak Nadia A. G.29,Harlaar Joris J.29,Harst E.29,den Hartogh Mariska D.29,Havenga Klaas29,Heemskerk J.29,Heeren J. F.29,Heesink Vera29,Heijnen B.29,Heikens Joost T.29,Hendriksen Ellen M.29,Heres P.29,van den Hoek Sjoerd29,ten Hoeve H. G.29,van der Hoeven Erik J. R. J.29,Hoff Christiaan29,Hogendoorn W.29,Hogewoning Anna29,Hogewoning Cornelis R. C.29,Hoogendoorn Stefan29,Hoogland P.29,van Hoorn Francois29,Huijbers A.29,van der Hul René L.29,van Hulst Rieke29,Imani Farshad29,Inberg Bas29,Janssen Pedro29,de Jong Chris E. J.29,Jonkers Jacoline29,Jongen A. C.29,Jonker F. H.29,Jou-Valencia Daniela29,Karthaus Eleonora G.29,Keizers Bas29,Keijzer A.29,van Kessel C.29,Ketel J. M. A.29,Ketelaers Stijn H. J.29,Klaase J.29,Kloppenberg F. W. H.29,Knöps Eva29,van Koeverden Sebastiaan29,Kok Sylvia29,Kolderman Stephanie E. M.29,Kool M.E.29,de Korte Fleur I.29,Kortekaas Robert T. J.29,Korving Julie C.29,Koster Ingrid M.29,Krdzalic Jasenko29,Krielen Pepijn29,Kroese Leonard F.29,Krul Eveline J. T.29,Kruyt Philip M.29,Kuiper J. T.29,Lahuis Derk29,Lamme Bas29,van Landeghem An A. G.29,Lange J. F.29,Leseman-Hoogenboom Mathilde M.29,Lettinga Tanja29,de Lijster Manou S.29,Lips Daan J.29,Logeman Frank29,van Loon Yu-Ting29,Lutke Holzik Martijn F.29,Madsen E.29,Mamound Aziz29,Marres C. C.29,Marsman Martijn S.29,Martens Milou. H.29,Masselink Ilse29,Meerdink M.29,van der Meij Wout29,Meijnen Philip29,Menon Anand G.29,de Mey Dietrich J. L.29,Mieog J. Sven. D.29,Mierlo D.29,de Mik Sylvana M. L.29,Moelker-Galuzina Julia29,Morsink Linda29,Mulder Erik J.29,Muller Karin29,Musters Gijsbert D.29,Neijenhuis Peter A.29,de Nes Lindsey C. F.29,Nielen M.29,van den Nieuwboer Jan B. J.29,Nieuwenhuis Jonanne F.29,Nonner Joost29,Noordman Bo J.29,Nordkamp Stefi29,Olthof Pim B.29,Oostdijk M.29,Oosterling Steven J.29,Ootes Daan29,Oppedijk Vera29,Ott Pieter29,Paul P. M. P.29,Paulusma Ida29,Pereboom Ilona T. A.29,Peringa Jan29,Pironet Zoë29,Plate Joost D. J.29,Polat Fatih29,Poortman P.29,Poodt Ingrid G. M.29,Posma Lisanne A. E.29,Prette Jeroen F.29,Pultrum Bareld B.29,Qaderi Seyed M.29,Raber M.29,van Rees Jan M.29,Reiber Beata M. M.29,Renger Rutger-Jan29,ter Riele W. W.29,van Rijswijk A.29,Rombouts Anouk J. M.29,van Rooijen S. J.29,Roosen Lodewijk29,Roskott-ten Brinke Ellen A.29,van Rossem Charles C.29,Rothbarth Joost29,Rouw Dennis B.29,Rutten A.29,Rutten Heidi29,Rutten Harm J. T.29,van der Sande Marit E.29,Schaafsma Boudewijn E.29,Schaapman R.29,Schasfoort Renske A.29,Scheer M.29,van der Schelling G.29,Scheurkogel Merel M.29,Schoonderwoerd Lotte29,Schouten N.29,Schouten van der Velden Arjan P.29,Schreuder Anne Marthe29,Schreurs Wilhelmina H.29,Schuivens Puck M. E.29,Sietses Colin29,Simkens Geert A.29,Simons Petra C. G.29,Slob Marjan J.29,Slooter Gerrit D.29,Sluijmer H. C. E.29,van der Sluis Martsje29,Smakman Niels29,Smalbroek Bo P.29,Smeenk Robert M.29,Smits Anke B.29,Snijders Heleen S.29,Sonneveld Dirk J. A.29,Spaansen B.29,van der Spek A.29,Spillenaar-Bilgen Ernst J.29,Spruit Patty H.29,van Sprundel T.29,Stam Tanja C.29,van Steensel L.29,Steller E.29,Steup W. H.29,Steur C.29,Stoker Jaap29,Stortelder E.29,Straatman J.29,Swank H. A.29,Talsma Aaldert K.29,Temmink Sofieke29,van Tets Willem F.29,The G. Y. M.29,Thorensen I. M.29,Tielbeek Jeroen A. W.29,van Tilborg Aukje A. J. M.29,van Tilborg Fiek29,Tip-Pluijm B.29,Toorenvliet Boudewijn R.29,van Trier Dorothée29,Tseng L.29,van der Valk Maxime J. M.29,Vanhooymissen Inge J. S.29,Vasbinder G. Boudewijn C.29,Veeken Cornelis J.29,van de Velde Cornelis J. H.29,Veltkamp S.29,Velema Laura A.29,van de Ven Anthony W. H.29,Verdaasdonk Emiel G. G.29,Verduin Wouter M.29,Verhaak T.29,Verhagen Tim29,Verheijen Paul M.29,Vermaas Maarten29,Verrijssen An-Sofie E.29,Verschuur Anna V. D.29,Versluis-Ossenwaarde L.29,Verwoerd-van Schaik Harmke29,Vijfhuize S.29,Vles Wouter J.29,Vliegen Roy F. A.29,Voeten Stijn29,Voets Sophie29,Vogelaar F. Jeroen29,Vogelij Clementine L. A.29,Vos-Westerman, Hanneke A.29,de Vos tot Nederveen Cappel R. J. L.29,Vrijland W. W.29,Vroemen Joy C.29,van Vugt Bas S. T.29,Wegdam Johannes A.29,van de Weijer M. A. J.29,van Wely Bob J.29,Westerduin Emma29,Westerterp Marinke29,van Westerveld Paul P.29,Wetzel M.29,Wevers K.29,van der Wielen N.29,Wiering B.29,Wijma Allard G.29,de Wit Bart W. K.29,Wit Fennie29,Witjes A. C.29,Woensdregt Karlijn29,van Woerden Victor29,van der Wolde J.29,van der Wolf Floor S. W.29,van der Wolk Sander29,Wouters Michel W. J. M.29,Wybenga Johannes M.29,Yauw Simon T. K.29,van der Zaag Edwin S.29,Zamaray Bobby29,Zandvoort Herman J. A.29,van der Zee Dennis29,Zeestraten E. C.29,Zeilstra Annette29,Zheng Kang J.29,Zorgdrager Marcel29,Zwieten T.29,

Affiliation:

1. Amsterdam UMC location Vrije Universiteit Amsterdam, Surgery, Amsterdam, the Netherlands

2. Department of Treatment and Quality of Life, Cancer Center Amsterdam, Amsterdam, the Netherlands

3. Department of Imaging and Biomarkers, Cancer Center Amsterdam, Amsterdam, the Netherlands

4. Department of Radiation Oncology, University Medical Center Utrecht, Utrecht, the Netherlands

5. Department of Surgery, the Netherlands Cancer Institute, Amsterdam, the Netherlands

6. GROW School of Oncology and Developmental Biology, University of Maastricht, Maastricht, the Netherlands

7. Department of Radiology, the Netherlands Cancer Institute, Amsterdam, the Netherlands

8. Department of Surgery, Amsterdam UMC location of the University of Amsterdam, Amsterdam, the Netherlands

9. Department of Medical Oncology, Amsterdam UMC location Vrije Universiteit Amsterdam, De Boelelaan 1117, Amsterdam, the Netherlands

10. Department of Radiation Oncology, Maastricht University Medical Centre, Maastricht, the Netherlands

11. Department of Radiation Oncology (Maastro), GROW School for Oncology, Maastricht University Medical Centre, Maastricht, the Netherlands

12. Department of Surgery, Catharina Hospital, Eindhoven, the Netherlands

13. Department of Surgery and Clinical Epidemiology, Amsterdam UMC location University of Amsterdam, Amsterdam, the Netherlands

14. Department of Surgery, University Medical Centre Groningen, Groningen, the Netherlands

15. Department of Radiation Oncology, Amsterdam UMC location of the University of Amsterdam, Amsterdam, the Netherlands

16. Department of Radiology, Amsterdam UMC location of Vrije Universiteit Amsterdam, Amsterdam, the Netherlands

17. Department of Surgery, Laurentius Hospital, Roermond, the Netherlands

18. Department of Surgery, Maastricht University Medical Centre, Maastricht, the Netherlands

19. Department of Radiology, Catharina Hospital Eindhoven, Eindhoven, the Netherlands

20. Department of Surgery, Leiden University Medical Center, Leiden, the Netherlands

21. Department of Radiation Oncology, Verbeeten Institute, Tilburg, the Netherlands

22. Department of Surgical Oncology and Gastrointestinal Surgery, Erasmus Medical Center, Rotterdam, the Netherlands

23. Department of Radiology, Erasmus Medical Center, Rotterdam, the Netherlands

24. Department of Surgery, Isala Hospital, Zwolle, the Netherlands

25. Department of Surgery, Radboud University Medical Centre, Radboud Institute for Health Sciences, Nijmegen, the Netherlands

26. Department of Surgery, Elisabeth-TweeSteden Hospital, Tilburg, the Netherlands

27. Department of Radiation Oncology, the Netherlands Cancer Institute, Amsterdam, the Netherlands

28. Department of Radiation Oncology, Leiden University Medical Center, Leiden, the Netherlands

29. for the Dutch Snapshot Research Group

Abstract

ImportanceNeoadjuvant short-course radiotherapy was routinely applied for nonlocally advanced rectal cancer (cT1-3N0-1M0 with >1 mm distance to the mesorectal fascia) in the Netherlands following the Dutch total mesorectal excision trial. This policy has shifted toward selective application after guideline revision in 2014.ObjectiveTo determine the association of decreased use of neoadjuvant radiotherapy with cancer-related outcomes and overall survival at a national level.Design, Setting, and ParticipantsThis multicenter, population-based, nationwide cross-sectional cohort study analyzed Dutch patients with rectal cancer who were treated in 2011 with a 4-year follow-up. A similar study was performed in 2021, analyzing all patients that were surgically treated in 2016. From these cohorts, all patients with cT1-3N0-1M0 rectal cancer and radiologically unthreatened mesorectal fascia were included in the current study. The data of the 2011 cohort were collected between May and October 2015, and the data of the 2016 cohort were collected between October 2020 and November 2021. The data were analyzed between May and October 2022.Main Outcomes and MeasuresThe main outcomes were 4-year local recurrence and overall survival rates.ResultsAmong the 2011 and 2016 cohorts, 1199 (mean [SD] age, 68 [11] years; 430 women [36%]) of 2095 patients (57.2%) and 1576 (mean [SD] age, 68 [10] years; 547 women [35%]) of 3057 patients (51.6%) had cT1-3N0-1M0 rectal cancer and were included, with proportions of neoadjuvant radiotherapy of 87% (2011) and 37% (2016). Four-year local recurrence rates were 5.8% and 5.5%, respectively (P = .99). Compared with the 2011 cohort, 4-year overall survival was significantly higher in the 2016 cohort (79.6% vs 86.4%; P < .001), with lower non–cancer-related mortality (13.8% vs 6.3%; P < .001).Conclusions and RelevanceThe results of this cross-sectional study suggest that an absolute 50% reduction in radiotherapy use for nonlocally advanced rectal cancer did not compromise cancer-related outcomes at a national level. Optimizing clinical staging and surgery following the Dutch total mesorectal excision trial has potentially enabled safe deintensification of treatment.

Publisher

American Medical Association (AMA)

Subject

Oncology,Cancer Research

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