NPPB and AL amyloidosis: Palladini et al.54 documented, in 51 patients with cardiac AL amyloidosis treated with melphalan plus dexamethasone (MDex), thalidomide plus dexamethasone (TDex), dexamethasone (Dex), melphalan plus prednisone (MP) or thalidomide (T), that achievement of NT-proBNP response predicted both overall survival and progression-free survival (Figure 2).