COPENHAGEN, Denmark--(BUSINESS WIRE)--Symphogen announced today preliminary data from a phase 2 clinical trial with rozrolimupab (SYM001) in adult, RhD positive, non-splenectomized patients with Immune thrombocytopenia (ITP). The study showed rozrolimupab is well tolerated with no unexpected toxicities and shows preliminary signs of clinical and biological activity by decreasing haemoglobin values.