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Clinical Trial
. 1990 Apr;147(4):507-9.
doi: 10.1176/ajp.147.4.507.

Surreptitious drug use by patients in a panic disorder study

Affiliations
Clinical Trial

Surreptitious drug use by patients in a panic disorder study

D B Clark et al. Am J Psychiatry. 1990 Apr.

Abstract

In a double-blind, placebo-controlled trial comparing alprazolam and imipramine for panic disorder, serum analysis revealed that a substantial proportion of the patients took explicitly prohibited anxiolytic medication. Excluding these patients changed the results.

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