2.1
Pembrolizumab (Keytruda, Merck Sharp & Dohme) has a marketing authorisation as monotherapy 'for the treatment of adult patients with relapsed or refractory classical Hodgkin lymphoma (cHL) who have failed autologous stem cell transplant (ASCT) and brentuximab vedotin (BV), or who are transplant-ineligible and have failed BV'.