Andrés Ferreri, MD, IRCCS San Raffaele Hospital, Milan, Italy, shares an update on the IELSG32 trial (NCT01011920), which is investigating the methotrexate plus cytarabine plus rituximab plus thiotepa (MATRIX) combination regimen followed by autologous stem cell transplantation (auto-SCT) in patients with primary central nervous system (CNS) lymphoma. Dr Ferreri gives an overview of the trial and discusses survival and neurotolerability data at a median follow-up of 88 months. Dr Ferreri reports that the MATRIX regimen was shown to be associated with a long-lasting survival benefit in patients with primary CNS lymphoma. This interview took place at the virtual European Hematology Association (EHA) Congress 2021.