̽»¨¾«Ñ¡

Susanna Ranta team

My research focuses on toxicity during and after treatment of childhood leukemia, with the goal of reducing acute and long-term side effects. I am currently leading BRAIN-Sweden, a national study on acute neurotoxicity and late cognitive side effects after leukemia treatment. I am also involved in research on hemostasis in children with cancer, especially leukemia, and in children with hemophilia.

Our research group is based at Karolinska University Hospital and ̽»¨¾«Ñ¡ and consists of clinically active physicians with specialist expertise in pediatric oncology, pediatric neurology and coagulation. The group's common goal is to improve the treatment and quality of life of children with cancer or hemophilia by increasing knowledge about treatment-related complications, and by refining diagnostics for bleeding disorders.

Portrait of KI-researcher Susanna Ranta.
Susanna Ranta

Susanna Ranta is a senior consultant in pediatric oncology and coagulation at Karolinska University Hospital and team leader of the Pediatric Cancer Research Unit at ̽»¨¾«Ñ¡.
Her research focuses on toxicity during and after treatment of childhood leukemia, with the goal of reducing acute and long-term side effects. She is currently leading BRAIN-Sweden, a national study on acute neurotoxicity and late cognitive side effects after leukemia treatment. She is also involved in research on hemostasis in children with cancer, especially leukemia, and in children with hemophilia.

Stavroula Anastasopoulou
Stavroula Anastasopoulou

Stavroula Anastasopoulou is a senior physician in the pediatric neurology department at Astrid Lindgren's Children's Hospital. She researches how cancer affects the central nervous system in children and adolescents, as well as the clinical consequences of epilepsy.

Christina Egnell Gustafsson
Christina Egnell Gustafsson

Cristina Egnell is a specialist in pediatric hematology and oncology at Astrid Lindgren's Children's Hospital, Karolinska University Hospital. She conducts research into various treatment-related complications of childhood leukemia.

David Schmidt
David Schmidt

David Schmidt's research focuses on diagnostic accuracy studies in coagulopathies and platelet disorders, clinical and molecular prognosis in childhood immune thrombocytopenia, as well as the use of statistical learning and penalized regression (LASSO, ridge, Elastic Net). 

Hans Hemmingsson
Hans Hemmingsson

Hans Hemmingsson is a specialist in pediatric hematology and oncology, pediatric oncologist, Astrid Lindgren's Children's Hospital, Karolinska University Hospital with expertise in coagulation. PhD student in the BRAIN-Sweden project.

Publications

All publications from group members

  • Journal article: JOURNAL OF THROMBOSIS AND HAEMOSTASIS. 2025;23(9):2969-2981
    Schmidt DE; Heitink-Polle KMJ; Nicolet BP; Porcelijn L; Bruin MCA; Weterings N; Schoot CEVD; Kapur R; Vidarsson G; de Haas M
  • Article: THROMBOSIS AND HAEMOSTASIS. 2024;124(01):32-39
    Schmidt DE; Truedsson A; Stralfors A; Hojbjerg JA; Soutari N; Holmstrom M; Ranta S; Letelier A; Bowyer A; Ljung R; Antovic J; Bruzelius M
  • Journal article: BLOOD. 2023;142:3955
    Schmidt DE; Heitink-Polle K; Nicolet BP; Porcelijn L; Bruin M; Van der Schoot E; Kapur R; Vidarsson G; De Haas M
  • Article: ISCIENCE. 2023;26(9):107619
    Van Coillie J; Pongracz T; Šuštić T; Wang W; Nouta J; Le Gars M; Keijzer S; Linty F; Cristianawati O; Keijser JBD; Visser R; van Vught LA; Slim MA; van Mourik N; Smit MJ; Sander A; Schmidt DE; Steenhuis M; Rispens T; Nielsen MA; Mordmüller BG; Vlaar APJ; Ellen van der Schoot C; Roozendaal R; Wuhrer M; Vidarsson G; UMC COVID-19 S3/HCW study group; Fatebenefratelli-Sacco Infectious Diseases Physici; Radboud University Medical Center (RUMC) and COUGH
  • Article: FRONTIERS IN IMMUNOLOGY. 2023;14:1225603
    Szittner Z; Bentlage AEH; Temming AR; Schmidt DE; Visser R; Lissenberg-Thunnissen S; Mok JY; van Esch WJE; Sonneveld ME; de Graaf EL; Wuhrer M; Porcelijn L; de Haas M; van der Schoot CE; Vidarsson G
  • Article: HAEMOPHILIA. 2022;28(6):1054-1061
    Schmidt DE; Michalopoulou A; Fischer K; Motwani J; Andersson NG; Pergantou H; Ranta S
  • Article: SCIENTIFIC REPORTS. 2021;11(1):24045
    Wojcik I; Schmidt DE; de Neef LA; Rab MAE; Meek B; de Weerdt O; Wuhrer M; van der Schoot CE; Zwaginga JJ; de Haas M; Falck D; Vidarsson G
  • Article: JOURNAL OF THROMBOSIS AND HAEMOSTASIS. 2021;19(4):1071-1081
    Schmidt DE; Heitink-Polle KMJ; Mertens B; Porcelijn L; Kapur R; van Der Schoot CE; Vidarsson G; van Der Bom JG; Bruin MCA; de Haas M
  • Journal article: ANNALS OF BLOOD. 2021;6(0):3
    Schmidt DE; Heitink-Pollé KMJ; Bruin MCA; de Haas M
  • Article: JOURNAL OF THROMBOSIS AND HAEMOSTASIS. 2021;19(1):121-130
    Schmidt DE; Wendtland Edslev P; Heitink-Polle KMJ; Mertens B; Bruin MCA; Kapur R; Vidarsson G; van der Schoot CE; Porcelijn L; van der Bom JG; Rosthoj S; de Haas M
  • Article: THROMBOSIS AND HAEMOSTASIS. 2021;121(01):27-35
    Stralfors A; Mikovic D; Schmidt D; Onelov L; Soutari NMH; Berndtson M; Chaireti R; Holmstrom M; Antovic JP; Bruzelius M
  • Review: TRANSFUSION MEDICINE REVIEWS. 2020;34(4):258-269
    Porcelijn L; Schmidt DE; Oldert G; Hofstede-van Egmond S; Kapur R; Zwaginga JJ; de Haas M
  • Article: TH OPEN. 2020;4(3):e178-e188
    Farm M; Antovic A; Schmidt DE; Bark N; Soutari N; Siddiqui AJ; Holmström M; Pruner I; Antovic JP
  • Preprint: MEDRXIV. 2020
    Schmidt DE; Edslev PW; Heitink-Pollé KMJ; Kapur R; Porcelijn L; van der Schoot CE; Vidarsson G; Bruin MCA; Rosthøj S; de Haas M
  • Article: JOURNAL OF THROMBOSIS AND HAEMOSTASIS. 2020;18(5):1210-1220
    Schmidt DE; Heitink-Polle KMJ; Porcelijn L; van der Schoot CE; Vidarsson G; Bruin MCA; de Haas M
  • Review: VOX SANGUINIS. 2020;115(4):323-333
    Schmidt DE; Lakerveld AJ; Heitink-Polle KMJ; Bruin MCA; Vidarsson G; Porcelijn L; de Haas M
  • Letter: HAEMATOLOGICA. 2020;105(4):e172-e174
    Porcelijn L; Schmidt DE; van der Schoot CE; Vidarsson G; de Haas M; Kapur R
  • Article: SCIENTIFIC REPORTS. 2020;10(1):3051
    Schmidt DE; de Haan N; Sonneveld ME; Porcelijn L; van der Schoot CE; de Haas M; Zwaginga J-J; Wuhrer M; Vidarsson G
  • Meeting abstract: BLOOD. 2019;134:2376
    Schmidt D; Heitink-Polle KMJ; van der Schoot CE; Porcelijn L; Vidarsson G; Bruin M; van der Bom JG; De Haas M
  • Article: BLOOD ADVANCES. 2019;3(13):2003-2012
    Schmidt DE; Heitink-Polle KMJ; Laarhoven AG; Bruin MCA; Veldhuisen B; Nagelkerke SQ; Kuijpers TW; Porcelijn L; van der Schoot CE; Vidarsson G; de Haas M
  • Article: THROMBOSIS RESEARCH. 2019;178:34-40
    Schmidt DE; Chaireti R; Bruzelius M; Holmstrom M; Antovic J; Agren A
  • Article: HAEMATOLOGICA. 2019;104(2):403-416
    Rijkers M; Schmidt D; Lu N; Kramer CSM; Heidt S; Mulder A; Porcelijn L; Claas FHJ; Leebeek FWG; Jansen AJG; Jongerius I; Zeerleder SS; Vidarsson G; Voorberg J; de Haas M
  • Review: FRONTIERS IN IMMUNOLOGY. 2019;10:2237
    Nagelkerke SQ; Schmidt DE; de Haas M; Kuijpers TW
  • Meeting abstract: BLOOD. 2018;132:1145
    Schmidt D; Heitink-Polle K; Mertens B; Laarhoven AG; Porcelijn L; Veldhuisen B; van der Schoot CE; Vidarsson G; van der Bom JG; Bruin M; De Haas M
  • Article: SCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION. 2017;77(6):397-405
    Schmidt DE; Halmin M; Wikman A; Ostlund A; Agren A
  • Article: THROMBOSIS AND HAEMOSTASIS. 2017;117(8):1528-1533
    Schmidt DE; Bruzelius M; Majeed A; Odeberg J; Holmstrom M; Agren A
  • Article: HAEMOPHILIA. 2017;23(2):309-318
    Schmidt DE; Majeed A; Bruzelius M; Odeberg J; Holmstrom M; Agren A
  • Article: THROMBOSIS AND HAEMOSTASIS. 2017;117(1):75-85
    Agren A; Holmstrom M; Schmidt DE; Hosokawa K; Blomback M; Hjemdahl P
  • Article: NETHERLANDS HEART JOURNAL. 2016;24(12):722-729
    Versteylen MO; Manca M; Joosen IA; Schmidt DE; Das M; Hofstra L; Crijns HJ; Biessen EA; Kietselaer BL
  • Article: TRENDS IN CARDIOVASCULAR MEDICINE. 2015;25(7):578-587
    Schmidt DE; Manca M; Hoefer IE
  • Article: THROMBOSIS RESEARCH. 2015;135(5):1007-1011
    Schmidt DE; Holmstrom M; Majeed A; Naslin D; Wallen H; Agren A
  • Article: BLOOD COAGULATION & FIBRINOLYSIS. 2015;26(1):81-87
    Schmidt DE; Steinhagen F; Schnabel C; Spath B; Holstein K; Fiedler W; Bokemeyer C; Renne T; Langer F
  • Show more
Keywords:
Cancer and Oncology Drug-Related Side Effects and Adverse Reactions Hematology Hemophilia A Hemophilia B Hemostasis Immunology in the Medical Area Pediatrics Precursor B-Cell Lymphoblastic Leukemia-Lymphoma Precursor T-Cell Lymphoblastic Leukemia-Lymphoma Show all
Content reviewer:
04-09-2025