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Biol Psychiatry. 1995 Oct 1;38(7):450-7.

Effects of ipsapirone on plasma cortisol and body temperature in major depression.

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Department of Psychiatry, University Hospitals of Cleveland, OH 44106, USA.


Major depressed patients have been reported to exhibit significantly attenuated hypothermic responses to ipsapirone, a serotonin (5-HT)-1A partial agonist, compared to normal controls. This study further investigated the cortisol and temperature responses to ipsapirone (0.5 mg/kg orally) and placebo in 20 normal volunteers and 12 major depressed patients. Both plasma cortisol and temperature were measured every 30 min before ipsapirone or placebo administration until 180 min post administration. Ipsapirone administration produced a significant increase in plasma cortisol levels as well as hypothermia. Major depressed patients showed significantly blunted ipsapirone-induced cortisol responses compared to normal controls. No significant differences in ipsapirone-induced hypothermic responses were found between major depressed patients and normal controls.

[Indexed for MEDLINE]

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