Geert Janssens

Associate Professor - medical

Strategic program(s):

Contact

gjansse3@umcutrecht.nl

Pure profile

Research groups

Pediatric radiation oncology

Research aim

To optimize radiotherapy in pediatric renal tumors (Wilms), neuroblastomas, and high-grade gliomas To better understand side effects from radiotherapy To reduce inequalities in radiotherapeutic care across SIOP Europe affliliated countries.

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Recent publications

All publications

Gross tumor volume increase and need for adaptive radiotherapy in pediatric-type diffuse high-grade glioma of the midline structures Fasco van Ommen, Toon van Genechten, Mirjam E Willemsen-Bosman, Max Peters, Enrica Seravalli, Jasper van der Lugt, Rutger A J Nievelstein, Sabine Mueller, Esther Hulleman, Dannis G van Vuurden, Mariette E G Kranendonk, Eelco W Hoving, Bianca A W Hoeben, Geert O Janssens
Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology, 2025, vol. 207

BMI trajectories in the first 3 months after childhood craniopharyngioma resection Sanne C Hulsmann, Eelco Hoving, Boudewijn Bakker, G O Janssens, Jiska van Schaik, E de Vos-Kerkhof, Wje Tissing, H M van Santen
Endocrine connections, 2025, vol. 14

European standard clinical practice recommendations for paediatric high-grade gliomas Elwira Szychot, Géraldine Giraud, Darren Hargrave, Dannis van Vuurden, Jacques Grill, Veronica Biassoni, Maura Massimo, André O. Von Büren, Rejin Kebudi, Maria João Gil-da-Costa, Sophie Veldhuijzen van Zanten, Simon Bailey, Michael Karremann, Stephanie Bolle, Thankamma Ajithkumar, Mechthild Krause, Yasmin Lassen-Ramshad, Geert Janssens, Giovanni Morana, Ulrike Löbel, Shivaram Avula, Brigitte Bison, Maarten Lequin, Kristian Aquilina, Ulrich Thomale, Pelle Nilsson, Sami Bui Quy Abu Hamdeh, Torsten Pietsch, Pascale Varlet, Thomas S. Jacques, Pieter Wesseling, David Jones, Uri Tabori, Anirban Das, David Mulligan, Francesca Kozmann, Christof M. Kramm
EJC Paediatric Oncology, 2025, vol. 5

Long-term risk and characteristics of cerebrovascular events after upper body radiotherapy among childhood cancer survivors in the DCCSS-LATER cohort Lisanne C Verbruggen, Judith L Kok, Leontien C M Kremer, Geert O Janssens, Paul J Nederkoorn, Adriaan Penson, A Birgitta Versluijs, Andrica C H de Vries, Ardine M J Reedijk, Dorine Bresters, Eelco W Hoving, Eline van Dulmen-den Broeder, Jacqueline J Loonen, Judith de Bont, Joyce Wilbers, Marloes Louwerens, Margriet van der Heiden-van der Loo, Marry M van den Heuvel-Eibrink, Saskia M F Pluijm, Sebastian J C M M Neggers, Wim J E Tissing, Yvo B W E M Roos, Cécile M Ronckers, Jop C Teepen, Helena J H van der Pal,
International Journal of Cancer, 2024, vol. 156, p.1858-1872

Treatment-related survival patterns in diffuse intrinsic pontine glioma using a historical cohort Joshua N Baugh, Sophie Veldhuijzen van Zanten, Marta Fiocco, Niclas Colditz, Marion Hoffmann, Geert O Janssens, Chiara Valentini, Darren Hargrave, Maria Wiese, André O von Bueren, Michael Karremann, Thomas Perwein, Gunther Nussbaumer, Martin Benesch, Dominik Sturm, Gerrit H Gielen, Mechthild Krause, Matthias Eyrich, Eelco W Hoving, Brigitte Bison, Dannis G van Vuurden, Christof M Kramm
Neuro-oncology advances, 2024, vol. 6, p.vdae155

A Retrospective Evaluation of Ototoxicity Monitoring in a Cohort of Pediatric Patients With Solid Tumors, Treated in the Dutch National Cancer Center Franciscus A Diepstraten, Odette M M Bertram, Hiske W Helleman, Ralf A Boerboom, Martine van Grotel, József Zsíros, Godelieve A M Tytgat, Harm van Tinteren, Robert J Stokroos, Geert O Janssens, Alex E Hoetink, Marry M van den Heuvel-Eibrink, Annelot J M Meijer
Cancer reports (Hoboken, N.J.), 2024, vol. 7