In addition, two - thirds of patients who benefited from the drug had no advance of the disease for at least 12 months. (sciencedaily.com)
On rare occasions, a dog with mild separation anxiety might benefit from drug therapy alone, without accompanying behavior modification. (pets.webmd.com)
About a third of cats don't benefit from the drug, but another third do show modest improvement in behavior problems. (thesprucepets.com)