Troels Hammer

Troels Hammer serves as a Clinical Associate Professor at the Department of Clinical Medicine within the Faculty of Health and Medical Sciences at the University of Copenhagen. His clinical specialization lies in Internal Medicine: Haematology at Copenhagen University Hospital (Region H). His research focuses on inflammatory cytokines and their lymphangiogenic activities, particularly examining interleukin-20 (IL-20), IL-7, IL-23, and IL-27 effects on lymphatic endothelial cells.

His primary research interests span hematology, lymphangiogenesis, and cytokine biology. Current work investigates inflammatory cytokine interactions with lymphatic endothelium using immortalized cell lines (hTERT-HDLEC). His publication history reveals a strong focus on Waldenström macroglobulinemia, including studies on central nervous system involvement, extramedullary disease, mutational landscapes, and nodal involvement impacts. Earlier work explored dietary risk factors in inflammatory bowel diseases and osteoporosis risks following lymphoma treatments.

His 11 research outputs (2013-2025) demonstrate consistent contributions to hematology and immunology. Key trends include population-based studies on rare lymphoproliferative disorders, molecular characterization of Waldenström macroglobulinemia, and translational cytokine research. His 2025 study on Bing-Neel syndrome represents cutting-edge clinical hematology research.

Hammer maintains active clinical and research roles with no documented scientific awards listed in the provided materials. His collaborative network includes researchers across Danish hospitals and international institutions, evidenced by multi-center studies. He has contributed to policy-relevant research, particularly in inflammatory bowel disease where his work has been referenced in policy sources.

His educational background includes a medical degree (Cand. med.) from the University of Copenhagen (2005), followed by clinical training and PhD studies at Panum Institute. Early research experience includes work on multidrug resistance phenotypes, post-exercise lipolysis, and growth hormone roles in Jens Bülows' laboratory. He has served as an instructor at the Danish Institute for Medical Simulation (DIMS) and taught physiology to medical students.