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Valproic acid and panic disorder.

F Primeau1, R Fontaine, L Beauclair

  • 1Royal Victoria Hospital, Montreal, Quebec.

Canadian Journal of Psychiatry. Revue Canadienne De Psychiatrie
|April 1, 1990
PubMed
Summary
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Valproic acid (VA) effectively treats panic disorders by enhancing GABAergic transmission. This study found significant symptom improvement in patients with recurrent panic attacks receiving VA treatment.

Area of Science:

  • Neuroscience
  • Psychiatry
  • Pharmacology

Background:

  • Panic disorder is a debilitating condition characterized by recurrent panic attacks.
  • GABAergic transmission plays a crucial role in regulating anxiety and fear responses.
  • Existing treatments for panic disorder have limitations, necessitating exploration of novel therapeutic agents.

Purpose of the Study:

  • To investigate the efficacy of valproic acid (VA) in treating patients with recurrent panic attacks.
  • To evaluate the impact of VA on panic disorder symptomatology using standardized rating scales.

Main Methods:

  • A study involving ten outpatients diagnosed with recurrent panic attacks.
  • A seven-day placebo washout period followed by VA administration.
  • Gradual dose escalation of VA from 500 mg/day to a maximum of 2250 mg/day.

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Main Results:

  • Significant reductions in panic severity were observed, as measured by the Clinical Global Impression Scale (p < 0.001).
  • Marked improvements in anxiety symptoms were reported, assessed using the Hamilton Psychiatric Rating Scale for Anxiety (p < 0.001).
  • A significant decrease in the panic factor of the SCL-90 was noted (p < 0.05).

Conclusions:

  • Valproic acid demonstrates significant efficacy in alleviating symptoms associated with panic disorders.
  • These findings support the use of valproic acid as a potential treatment for panic disorder.
  • Further research is warranted to confirm the long-term efficacy and safety profile of VA in panic disorder management.