Calum Polwart, County Durham & Darlington NHS Foundation Trust, Durham, UK, discusses his work on a multi-center audit of the rapid infusion of biosimilar rituximab in patients with hematological malignancies. This interview took place at the International Society of Oncology Pharmacy Practitioners (ISOPP) Symposium 2019, hosted by the British Oncology Pharmacy Association (BOPA), held in London, UK.