CP-809,101, a selective 5-HT2C agonist, shows activity in animal models of antipsychotic activity
CP-809,101, a selective 5-HT2C agonist, shows activity in animal models of antipsychotic activity
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DOI：
10.1016/j.neuropharm.2006.07.024
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发表时间：
2007-02
影响因子：
4.7
通讯作者：
J. Siuciak;D. Chapin;S. McCarthy;V. Guanowsky;Janice A. Brown;Phoebe Chiang;R. Marala;T. Patterson;P. Seymour;A. Swick;P. Iredale
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文献类型：
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作者：
J. Siuciak;D. Chapin;S. McCarthy;V. Guanowsky;Janice A. Brown;Phoebe Chiang;R. Marala;T. Patterson;P. Seymour;A. Swick;P. Iredale
CP-809,101 is a potent, functionally selective 5-HT2Cagonist that displays approximately 100% efficacy in vitro. The aim of the present studies was to assess the efficacy of a selective 5-HT2Cagonist in animal models predictive of antipsychotic-like efficacy and side-effect liability. Similar to currently available antipsychotic drugs, CP-809,101 dose-dependently inhibited conditioned avoidance responding (CAR, ED50=4.8mg/kg, sc). The efficacy of CP-809,101 in CAR was completely antagonized by the concurrent administration of the 5-HT2Creceptor antagonist, SB-224,282. CP-809,101 antagonized both PCP- and d-amphetamine-induced hyperactivity with ED50values of 2.4 and 2.9mg/kg (sc), respectively and also reversed an apomorphine induced-deficit in prepulse inhibition. At doses up to 56mg/kg, CP-809,101 did not produce catalepsy. Thus, the present results demonstrate that the 5-HT2Cagonist, CP-809,101, has a pharmacological profile similar to that of the atypical antipsychotics with low extrapyramidal symptom liability. CP-809,101 was inactive in two animal models of antidepressant-like activity, the forced swim test and learned helplessness. However, CP-809,101 was active in novel object recognition, an animal model of cognitive function. These data suggest that 5-HT2Cagonists may be a novel approach in the treatment of psychosis as well as for the improvement of cognitive dysfunction associated with schizophrenia.
