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The use of low-dose intranasal midazolam to treat panic disorder: a pilot study
E Schweizer1, C Clary, A I Dever
1Department of Psychiatry, University of Pennsylvania, Philadelphia 19104.
Background:
Drug therapy of panic disorder, despite the intermittent nature of the panic attack, requires daily administration of antidepressants, which are often not tolerated, or benzodiazepines, which can result in physical dependence and withdrawal. The use of rapidly acting, low-dose intranasal midazolam to prevent incipient panic suggested itself to us as a novel alternative treatment strategy.
Method:
We conducted a 6-week double-blind, placebo-controlled, crossover-design pilot study of the safety and efficacy of p.r.n. low-dose intranasal midazolam in five patients diagnosed with DSM-III-R panic disorder.
Results:
One to two drops of midazolam (approximately 0.25 to 0.5 mg) was well tolerated and highly effective in preventing incipient panic attacks and in reducing the overall weekly frequency of attacks.
Conclusion:
Intermittent intranasal midazolam shows promise as a novel alternative treatment for panic, but a controlled study of its efficacy and safety (including abuse potential) must be conducted.