The LYSARC -The Lymphoma Academic Research Organisation- promotes and conducts many phase 1, 2, 3 and 4 clinical studies in the field of lymphoma research every year. It also enables non-interventional and ancillary studies. The LYSARC forms the operational structure of the LYSA, the leading international cooperating group for clinical lymphoma research. The association of professionals in the LYSARC and LYSA organisations provides unique expertise, both scientific and operational, to conduct lymphoma research projects at the international level.