Asenapine: a novel psychopharmacologic agent with a unique human receptor signature.
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Shahid M, Walker GB, Zorn SH, Wong EH
Asenapine: a novel psychopharmacologic agent with a unique human receptor signature.
J Psychopharmacol. 2009 Jan;23(1):65-73. doi: 10.1177/0269881107082944. Epub 2008 Feb 28.
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- 18308814 [ View in PubMed]
- Abstract
Asenapine is a novel psychopharmacologic agent under development for the treatment of schizophrenia and bipolar disorder. We determined and compared the human receptor binding affinities and functional characteristics of asenapine and several antipsychotic drugs. Compounds were tested under comparable assay conditions using cloned human receptors. In comparison with the antipsychotics, asenapine showed high affinity and a different rank order of binding affinities (pKi) for serotonin receptors (5-HT1A [8.6], 5-HT1B [8.4], 5-HT2A [10.2], 5-HT2B [9.8], 5-HT2C [10.5], 5-HT5 [8.8], 5-HT6 [9.6] and 5-HT7 [9.9]), adrenoceptors (alpha1 [8.9], alpha2A [8.9], alpha2B [9.5] and alpha2C [8.9]), dopamine receptors (D1 [8.9], D2 [8.9], D3 [9.4] and D4 [9.0]) and histamine receptors (H1 [9.0] and H2 [8.2]). It had much lower affinity (pKi
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