“…This aspect has been investigated for NK 1 receptor antagonists as a class. Patients from Spain, Canada, Italy, and Greece said they would pay a maximum of $US63, $US46, $US34, and $US8 per day (in 2000 $US), respectively, for a 20% reduction in acute emesis (Dranitsaris et al 2001a). The corresponding values placed on a decrease in delayed emesis of 30% were $US50, $US41, $US31, and $US9 per day for 4 days.…”