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Abstract
Several lines of evidence suggest that dopamine might be involved in anxiety states.
In this study, we assessed the growth hormone (GH) response to apomorphine (a dopaminergic
agonist) 0.5 mg SC in mine drug-free inpatients meeting Research Diagnostic Criteria
(RDC) for panic disorder who were age-matched and gender-matched with nine major depressive,
and nine minor depressive inpatients. The three groups differed significantly in their
mean GH peak response: 5.29 ± 2.75 ng/ml in major depressives, 26.27 ± 12.71 ng/ml
in minor depressives, and 37.28 ± 10.58 ng/ml in panics, with a significantly higher
response in panic than in either minor or major depressive patients. These results
support dopaminergic overactivity in panic disorder as compared with major and minor
depression.
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Article info
Publication history
Received in revised form:
July 21,
1992
Received:
November 29,
1991
Identification
Copyright
© 1992 Published by Elsevier Inc.