Dr. Karen Schreiber

Biography Dr. Karen Schreiber

Education & Appointments

Karen Schreiber is an academic rheumatologist and lead for the Danish Centre for Expertise in Rheumatology (CeViG) at the Danish Hospital for Rheumatic Diseases in Sønderborg. She is associate professor at the Institute for Health Research in Southern Denmark, Odense University. 

Karen completed her internal medical training in the UK, and became a member of the Royal College of Physicians in 2014 (MRCP).

Field of research
Karen’s main clinical and research focusses on improving reproductive health care for patients with rheumatic diseases. Her main passion is the pathophysiology and treatment of thrombotic and obstetric antiphospholipid syndrome (APS).

Karen is managing the only interventional trial of hydroxychloroquine (HCQ) in pregnant women with antiphospholipid antibodies to answer the question whether HCQ improves pregnancy outcomes in these women (HYPATIA study, EudraCT 2016-002256-25) for which she raised over 1.5 million Euros. The trial is entitled HYPATIA.


Her basic science work mainly focuses on how immune modulators (such as hydroxychloroquine) and immune suppressants potentially affect the endothelial cell surface in the setting of immune mediated thrombosis.

Karen is an active member of several European Alliance of Associations for Rheumatology (EULAR) Task Forces, of the Danish Society for Rheumatic Diseases and of the British Society for Rheumatology (BSR) working groups publishing clinical guidelines with the overall aim to improve the treatment of patients with rheumatic diseases. Karen has been a founding member of the BSR pregnancy group, and has been co-author to the first BSR guidelines o antirheumatics use in pregnancy and lactation in 2016 and first author of the update in 2022.

Karen has published the first Oxford Handbook on the management of pregnancy in patients with rheumatic diseases, has written several book chapters and is the first author of the APS chapter in the next update of the Oxford Textbook of Rheumatology. She has published > 40 articles on pubmed.

Karen is co-leading the EULAR study group for Reproductive Healthcare and Family Planning (ReHFaP group) alongside Prof Laura Andreoli.