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Robert Klaassen photo of Robert Klaassen
Clinical Investigator, CHEO Research Institute
Pediatric Hematologist/Oncologist
Division of Hematology/Oncology, CHEO
Associate Professor, Department of Pediatrics,
Faculty of Medicine, University of Ottawa
613-737-7600 Ext. 2210
Research Practice Areas:
  • Hematology
  • Oncology
  • Quality of Life
Current Research:
My research focus is health-related quality of life (HRQoL) in hematologic disorders. I am the controlling owner of the Transfusion Quality of Life measure (TranQol) for thalassemia patients and owner/inventor of the Kid’s ITP tools and the QUALMS (myelodysplastic syndrome). I have written review articles on QOL in thalassemia and ITP and the measurement of QOL in children. I am the Chair of the Quality of life committee of the ITP Consortium of North America (ICON).
Research Team:
Dr. Klaassen is a Clinical Investigator at the CHEO Research Institute, and a Full Professor in the Department of Pediatrics at the University of Ottawa. He is has a certificate in Clinical Epidemiology and specializes in quality of life in non-malignant hematology research.
Sample Publications:
Haverman L, Limperg PF, Young NL, Grootenhuis MA, Klaassen RJ. Paediatric health-related quality of life: what is it and why should we measure it? Arch Dis Child October 2016

Abel G, Efficace F, Buckstein R, Tinsley S, Jurcic J, Martins Y, Steensma D, Watts C, Raza A, Lee S, List A and Klaassen RJ. Prospective International Validation of the Quality of Life in Myelodysplasia Scale (QUALMS). Haematologica; 101(6):781-8, 2016 Jun.

Amid A, Saliba AN, Taher AT, Klaassen RJ. Thalassaemia in children: from quality of care to quality of life. Arch Dis Child. 2015 Nov;100(11):1051-7.

Klaassen RJ, Barrowman N, Merelles-Pulcini M, Vichinsky EP, Sweeters N, Kirby-Allen M, Neufeld EJ, Kwiatkowski JL, Wu J, Vickars L, Blanchette VS, Forgie M, Yamashita R, Wong-Rieger D, Young NL.Validation and reliability of a disease-specific quality of life measure (the TranQol) in adults and children with thalassemia major. Br J Haematol. 2013 Nov 3. doi: 10.1111/bjh.12631. [Epub ahead of print]

Klaassen RJ, Burke T, Wakefield C, Blanchette V, Grainer J, Gaedicke G, Riedlinger A, Dufort G, Citrin E, Pellier I, Tarral E, Curtise C, Young N. Quality of life in childhood immune thrombocytopenia: international validation of the Kids ITP tools. Pediatric Blood and Cancer (IF 2.4). 2013 Jan;60(1):95-100.

Grainger JD, Young NL, Blanchette VS, Klaassen RJ. Quality of life in immune thrombocytopenia following treatment. Arch Dis Child. 2013 Nov;98(11):895-7.
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