Multiple myeloma (MM) is an incurable hematological disease with a global incidence of 160,000 cases in 2018.1,2 Since treatment failure among patients with relapsed/ refractory multiple myeloma (rrMM) was common with conventional therapies, additional treatment options are urgently needed to improve the survivals of these patients.2,3 At the recently held Annual Scientific Meeting of Hong Kong Society of Myeloma, Dr. Keith Stewart revealed the merits of carfilzomib, a second-generation proteasome inhibitor, as a combination therapy to manage rrMM and highlighted the results of ARROW - the first randomized phase 3 trial comparing the efficacy and safety of twice-weekly carfilzomib + dexamethasone (Kd) regimen with the once-weekly Kd regimen.