in a double-blind controlled study lasting 8 weeks , 50 anxious psychoneurotic outpatients with a primary diagnosis of generalized anxiety or panic disorder were randomly assigned to alprazolam ( n=30 ) , a new benzodiazepine , or placebo ( n=20 ) , after a washout period of 1 week .
C0030319
panic disorder
C0002333
alprazolam