Key points are not available for this paper at this time.
The authors conducted a 16-week double-blind, crossover study in 11 patients with panic disorder to study the effects of verapamil, a calcium channel blocker commonly used in the treatment of cardiovascular disorders, on the treatment of panic disorder. Their findings suggest that verapamil has modest antianxiety and antipanic properties.
Klein et al. (1988) studied this question.