Profile photo Fischer

Fischer

Associate Professor - medical

Strategic program(s):

Biography

Kathelijn Fischer has been working at the University Medical Center Utrecht, both as a Paediatric Haematologist and a Clinical Epidemiologist.

Dr Fischer finished her medical training in 1988 is a registered paediatrician since 1994. Dr Fischer specialized in paediatric haematology and oncology in Utrecht, the Netherlands. Subsequently, she performed PhD research in haemophilia while training as a clinical epidemiologist. She published her thesis on ‘Treatment strategies in severe haemophilia: in search for the optimal treatment’ in 2001.

Dr Fischer supervises four PhD students and served as co-promotor for seven other PhD students in the field of haematology, neurology and gynaecology.

Dr Fischer is principal investigator in several international studies on long-term results of haemophilia treatment, and is the epidemiologist for the European Haemophilia Safety Surveillance Study (EUHASS-member of the steering committee) as well as for the European PedNet registry.

The specific areas of expertise and interest of dr Fischer include the epidemiology of haemophilia (including use of registries), prophylactic treatment, and outcome assessment in haemophilia care.

Recent publications

Large deletions in the F8 gene predict immune tolerance induction failure in people with severe hemophilia A Ilja Oomen, Amal Abdi, Linda Broer, Ricardo M. Camelo, Fábia M.R.A. Callado, Luany E.M. Carvalho, Ilenia L. Calcaterra, Manuel Carcao, Giancarlo Castaman, Jeroen C.J. Eikenboom, Kathelijn Fischer, Vivian K.B. Franco, Judy Geissler, Taco W. Kuijpers, Frank W.G. Leebeek, David Lillicrap, Cláudia S. Lorenzato, Maria Elisa Mancuso, Davide Matino, Matteo N.D. Di Minno, Aomei Mo, Alex B. Mohseny, Sietse Q. Nagelkerke, Johannes Oldenburg, Suely Meireles Rezende, Georges Etienne Rivard, Natalia Rydz, Saskia E.M. Schols, Michael W.T. Tanck, Jan Voorberg, Karin Fijnvandraat, Samantha C. Gouw,
Research and practice in thrombosis and haemostasis, 2025, vol. 9
Differences Between Sweden and Greece in Joint Outcomes Assessed by Ultrasound in Adolescents With Severe Haemophilia on Prophylaxis Aikaterini Michalopoulou, Susanna Ranta, Nadine G. Andersson, Kathelijn Fischer, Marloes de Kovel, Elsbeth de Boer-Verdonk, Jayashree Motwani, Gili Kenet, Helen Pergantou
Haemophilia, 2025, vol. 31, p.1209-1216
Predictors of immune tolerance induction success in 231 children with severe hemophilia A with high-titer inhibitors – lessons learned from the PedNet prospective cohort study Manuel Carcao, Christoph Königs, Nadine G Andersson, Marloes de Kovel, Elsbeth de Boer-Verdonk, Jayashree Motwani, Jan Blatny, Martin Olivieri, Marijke van den Berg, Kathelijn Fischer
Journal of thrombosis and haemostasis : JTH, 2025, vol. 23, p.3134-3147
Proteolytic signatures of coagulation identified by plasma peptidomics Jessica Del Castillo Alferez, Alette Kooiker, Floris P.J. van Alphen, Carmen van der Zwaan, Herm Jan Brinkman, Joost C.M. Meijers, Alexander B. Meijer, Maartje van den Biggelaar, Tirsa T. van Duijl, Emile van den Akker, Wala Al Arashi, Ryanne Arisz, Lieke Baas, Ruben Bierings, Maartje van den Biggelaar, Johan Boender, Anske van der Bom, Mettine Bos, Martijn Brands, Annelien Bredenoord, Laura Bukkems, Lex Burdorf, Jessica Del Castillo Alferez, Michael Cloesmeijer, Marjon Cnossen, Mariëtte Driessens, Jeroen Eikenboom, Karin Fijnvandraat, Kathelijn Fischer, Geertje Goedhart, Tine Goedhart, Samantha Gouw, Rieke van der Graaf, Masja de Haas, Lotte Haverman, Jan Hazelzet, Shannon van Hoorn, Elise Huisman, Nathalie Jansen, Alexander Janssen, Sean de Jong, Sjoerd Koopman, Marieke Kruip, Sebastiaan Laan, Iris van Moort, Hans Kristian Ploos van Amstel, Diaz Prameyllawati, Roger Schutgens, Rolf Urbanus, Minka Zivkovic,
Journal of Thrombosis and Haemostasis, 2025, vol. 23, p.2494-2507
Limited value of testing for factor XIII and α2-antiplasmin deficiency in patients with a bleeding disorder of unknown cause Sander Ariëns, Albert Huisman, Idske C L Kremer Hovinga, Rolf T Urbanus, Karin P M van Galen, Lize F D van Vulpen, Kathelijn Fischer, Roger E G Schutgens
Haemophilia, 2024, vol. 30, p.998-1002
Arthropathy on X-rays in 363 persons with hemophilia Dayna A M van Heel, Wouter Foppen, Kathelijn Fischer
Research and practice in thrombosis and haemostasis, 2024, vol. 8

Fellowships & Awards

Bayer Haemophilia Special Project Award (2005)