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  • 1
    ISSN: 1432-2072
    Keywords: Serotonin ; Receptor hypersensitivity ; Anxiety ; Cortisol ; Panic disorder ; MCPP
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Normal controls (NC) (n=15), patients with panic disorder (PD) (n=13) and patients with major depression (MD) (n=17) were challenged with a single, oral dose (0.25 mg/kg) of the selective 5HT agonist m-chlorophenyl-piperazine (MCPP) or placebo. Blood samples were assayed for cortisol and MCPP levels every 30 min. The PD group had an augmented cortisol release when compared to the other two groups. Finally, a significant correlation was found across all subjects between clinical anxiety level and cortisol release on MCPP. These data support the hypothesis of 5HT receptor hypersensitivity in PD.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-2072
    Keywords: MCPP ; Serotonin ; Dose-response ; Intravenous
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A placebo-controlled dose-response study of the direct serotonin receptor agonistm-chlorophenylpiperazine (MCPP), intravenously infused over 90 s in 0.06 and 0.08 mg/kg doses, was conducted in nine normal male subjects. Cortisol, prolactin, MCPP serum levels and behavioral responses were measured over a 210-min period. Both doses caused significant cortisol and prolactin release and were associated with significantly greater behavioral effects as compared to placebo. Though the two doses were associated with different MCPP serum levels, they did not significantly differ in their hormonal and behavioral effects.
    Type of Medium: Electronic Resource
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