Results of the Phase 3 ARROW trial revealed that patiehts with refractory multiple myeloma can live up to 3.6 months longer, without their disease worsening, when Kyprolis (carfilzomib) is administered once-weekly at the 70 mg/m2 dose with dexamethasone rather than Kyprolis administered twice-weekly at the 27 mg/m2 dose with dexamethasone, according to Amgen.