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Clinical data | |
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Routes of administration | Oral |
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Chemical and physical data | |
Formula | C21H27N3O3S |
Molar mass | 401.53 g·mol−1 |
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Sonepiprazole (U-101,387, PNU-101,387-G) is a drug of the phenylpiperazine class which acts as a highly selective D4 receptor antagonist.[1] In animals, unlike D2 receptor antagonists like haloperidol, sonepiprazole does not block the behavioral effects of amphetamineorapomorphine, does not alter spontaneous locomotor activity on its own, and lacks extrapyramidal and neuroendocrine effects.[2] However, it does reverse the prepulse inhibition deficits induced by apomorphine,[3] and has also been shown to enhance cortical activity and inhibit stress-induced cognitive impairment.[4][5] As a result, it was investigated as an antipsychotic for the treatment of schizophrenia in a placebo-controlled clinical trial, but in contrast to its comparator olanzapine no benefits were found and it was not researched further for this indication.[6][7]
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Simple piperazines (no additional rings) |
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Phenylpiperazines |
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Benzylpiperazines |
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Diphenylalkylpiperazines (benzhydrylalkylpiperazines) |
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Pyrimidinylpiperazines |
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Pyridinylpiperazines |
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Benzo(iso)thiazolylpiperazines |
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Tricyclics (piperazine attached via side chain) |
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Others/Uncategorized |
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