Am J Psychiatry 1992; 149:962-964
Copyright © 1992 by American Psychiatric Association
Replication of action of cholecystokinin tetrapeptide in panic disorder: clinical and behavioral findings
J Bradwejn, D Koszycki, R Payeur, M Bourin and H Borthwick
Division of Psychopharmacology, St. Mary's Hospital Center, Montreal, PQ, Canada.
Eleven patients with panic disorder were challenged with cholecystokinin
tetrapeptide (CCK-4) on two occasions. The effects of CCK-4 were consistent
except symptom onset was more rapid with the second injection.
Demonstrating that the effects of CCK-4 are reproducible in panic patients
opens the doors for studies of the effects of drug treatment on
CCK-4-induced panic.