As a clinician-scientist, Dr. Lassman focuses both his research and clinical efforts on improving the understanding and treatment of brain tumors.

Dr. Lassman has particular expertise in translational clinical trials for brain tumors, with molecular correlative analyses to understand the reasons for treatment success or failure, and to refine treatment paradigms. Dr. Lassman has led retrospective studies, single institution prospective clinical trials, and multicenter prospective trials conducted nationally through the National Cancer Institute sponsored National Clinical Trials Network. His contributions to the field of Neuro-Oncology have been recognized with numerous awards, including the Preuss Award in Neuro-Oncology from the American Academy of Neurology, the Boyer Clinical Research Award from Memorial Sloan-Kettering Cancer Center, and the Gary Lichtenstein Humanitarian Award from Voices Against Brain Cancer.