dr. K. (Kathelijn) Fischer

dr. K. (Kathelijn) Fischer

Associate Professor - medical
dr. K. (Kathelijn) Fischer
  • Hematology/Van Creveldclinic

Research Programs



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.

Side Activities

  • Membership of international working groups: International Prophylaxis Study Group (IPSG), European Association for Haemophilia and Allied Disorders (EAHAD; former EC member), she is a former co-chair of the FVIII/IX SSC subcommittee of the ISTH and participated in the group that drafted the Principles of Haemophilia Care.
  • Member of the National Haemophilia Registry Committee of the Dutch Haemophilia Treaters Board (NVHB)
  • Membership professional organisations: NVK (Dutch Paediatric Society,- section benign haematology), ISTH (International Society for Thrombosis and Haemostasis), WFH (World Federation for Haemophilia)
  • Section editor for Thrombosis and Haemostasis journal, member of the editorial board for Haemophilia journal

Fellowship and Awards

Bayer Haemophilia Special Project Award (2005)

Research Output (281)

Role of Regulatory Cells in Immune Tolerance Induction in Hemophilia A

Schep Sarah, Schutgens Roger E, Fischer Kathelijn, Voorberg Jan, Boes Marianne mei 2021, In: Hemasphere. 5 9 p.

Novel F8 and F9 gene variants from the PedNet hemophilia registry classified according to ACMG/AMP guidelines

Andersson Nadine G., Labarque Veerle, Letelier Anna, Mancuso Maria Elisa, Bührlen Martina, Fischer Kathelijn, Kartal-Kaess Mutlu, Koskenvuo Minna, Mikkelsen Torben, Ljung Rolf, 1 dec 2020, In: Human mutation. 41 , p. 2058-2072 15 p.

A feasibility study on two tailored interventions to improve adherence in adults with haemophilia

Hoefnagels Anne, Fischer Kathelijn, Bos Ruud, Driessens Mariette H E, Meijer Stephan, Schutgens Roger E, Schrijvers Marlies 1 dec 2020, In: BMC Pilot and Feasibilty studies. 6

The factor VIII treatment history of non-severe hemophilia A

Abdi Amal, Kloosterman Fabienne R., Eckhardt Corien L., Male Christoph, Castaman Giancarlo, Fischer Kathelijn, Beckers Erik A.M., Kruip Marieke J.H.A., Peerlinck Kathelijne, Mancuso Maria Elisa, Santoro Cristina, Hay Charles R., Platokouki Helen, van der Bom Johanna G., Gouw Samantha C., Fijnvandraat Karin, Hart Dan P., dec 2020, In: Journal of Thrombosis and Haemostasis. 18 , p. 3203-3210 8 p.

Challenges and key lessons from the design and implementation of an international haemophilia registry supported by a pharmaceutical company

Hay Charles R.M., Shima Midori, Makris Michael, Jiménez-Yuste Victor, Oldenburg Johannes, Fischer Kathelijn, Iorio Alfonso, Skinner Mark W., Santagostino Elena, von Mackensen Sylvia, Kessler Craig M. nov 2020, In: Haemophilia. 26 , p. 966-974 9 p.

Evaluating international Haemophilia Joint Health Score (HJHS) results combined with expert opinion:Options for a shorter HJHS

Kuijlaars Isolde A R, van der Net Janjaap, Feldman Brian M, Aspdahl Magnus, Bladen Melanie, de Boer Wypke, Cuesta-Barriuso Rubén, Matlary Ruth E D, Funk Sharon M, Hilliard Pamela, John Judy A, Kempton Christine L, de Kleijn Piet, Manco-Johnson Marilyn, Petrini Pia, Poonnoose Pradeep, St-Louis Jean, Thomas Sylvia, Timmer Merel A, Trakymiene Sonata Saulyte, van Vlimmeren Leo, Fischer Kathelijn 15 okt 2020, In: Haemophilia. 26 , p. 1072-1080 9 p.

Treatment of acquired hemophilia A (AHA), a balancing act: results from a 27-year Dutch cohort study:results from a 27-year Dutch cohort study

Schep Sarah J, van Dijk Wobke E M, Beckers Erik A M, Meijer Karina, Coppens Michiel, Eikenboom Jeroen, Leebeek Frank W G, van Vulpen Lize F D, Fischer Kathelijn F, Schutgens Roger E G, 10 okt 2020, In: American Journal of Hematology. 96 , p. 51-59 9 p.

Real-Life Pharmacokinetics of rFVIII-Fc and rFIX-Fc

Traets Marissa J M, Fischer Kathelijn, Uitslager Nanda, van der Valk Paul R, Kremer Hovinga Idske C L, van Vulpen Lize F D, Schutgens Roger E G okt 2020, In: TH open : companion journal to thrombosis and haemostasis. 4 , p. e362-e364

Long-term follow-up of neonatal intracranial haemorrhage in children with severe haemophilia

Andersson Nadine G., Wu Runhui, Carcao Manuel, Claeyssens-Donadel Ségolène, Kobelt Rainer, Liesner Ri, Mäkipernaa Anne, Ranta Susanna, Ljung Rolf, Auerswald G., Barnes C., Chalmers E., Chambost H., Clausen N., Dunn A. L., Escuriola Ettinghausen C., Fischer K., Fijnvandraat K., van Geet C., Hoffmann M., Kavakli K., Kenet G., Königs C., Kurnik K., Manco-Johnson M., Mancuso M. E., Molinari C., Muntean W., Nolan B., Perez Garrido R., Platokouki E., Rafowicz A., Santagostino E., Shapiro A., Thomas A., Williams M. 1 jul 2020, In: British Journal of Haematology. 190 , p. e101-e104

The experiences and attitudes of hemophilia carriers around pregnancy:A qualitative systematic review

Punt Marieke C., Aalders Tanja H., Bloemenkamp Kitty W.M., Driessens Mariette H.E., Fischer Kathelijn, Schrijvers Marlies H., van Galen Karin P.M. 1 jul 2020, In: Journal of Thrombosis and Haemostasis. 18 , p. 1626-1636 11 p.

All research output

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