Eleni Gavriilaki, MD, PhD, G Papanicolaou Hospital, Thessaloniki, Greece, talks on the role of the lectin pathway in hematopoietic stem cell transplantation-associated thrombotic microangiopathy (HSCT-TMA), highlighting is potential as a therapeutic target. The lectin pathway plays an important role in the complement pathway. MASP-2, a component of this pathway, has emerged as a promising target for the treatment of HSCT-TMA and narsoplimab is currently under investigation for approval by the FDA. This interview took place at the 48th Annual Meeting of the European Group for Blood and Marrow Transplantation (EBMT) 2022, which was held virtually.