Trajectum Pharma B.V. is a bio-pharmaceutical company based in Utrecht (the Netherlands). The company was founded on July 15th, 2010 as a spin-out of the Department of Infectious Diseases & Immunology of Utrecht University.

The company is developing new therapies for inflammatory diseases, more specifically therapeutic vaccines for rheumatoid arthritis and inflammatory bowel disease. In addition the company is developing assay systems for the monitoring of vaccine safety, in particular with respect to autoimmunity and assay systems for the in vitro detection of immunogenicity.