Periciazine (INN), also known as pericyazine (BAN) or propericiazine, is a drug that belongs to the phenothiazine class of typical antipsychotics.
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Routes of administration | Oral |
Drug class | Typical antipsychotic |
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Metabolism | Hepatic (mostly via conjugation)[2] |
Elimination half-life | 12 h[2] |
Excretion | Renal[2] |
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ECHA InfoCard | 100.018.248 |
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Formula | C21H23N3OS |
Molar mass | 365.50 g·mol−1 |
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Periciazine is not approved for sale in the United States. It is commonly sold in Canada, Italy and Russia under the tradename Neuleptil and in United Kingdom and Australia under the tradename Neulactil.[3]
The primary uses of periciazine include in the short-term treatment of severe anxiety or tension and in the maintenance treatment of psychotic disorders such as schizophrenia. There is insufficient evidence to determine whether periciazine is more or less effective than other antipsychotics.[2] A 2014 systematic review compared periciazine with typical antipsychotics for schizophrenia:
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On the basis of very low quality evidence it is not possible to determine the effects of periciazine in comparison with antipsychotics such as chlorpromazine or trifluoperazine for the treatment of schizophrenia. There is some evidence, however, that periciazine may be associated with a higher incidence of extrapyramidal side effects than other antipsychotics.[4] | ||||||||||||||||||||||||||||||||||||
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Periciazine has also been studied in the treatment of opioid dependence.[5]
Periciazine is a rather sedating and anticholinergic antipsychotic, and despite being classed with the typical antipsychotics, its risk of extrapyramidal side effects is comparatively low.[6] It has a relatively high risk of causing hyperprolactinaemia and a moderate risk of causing weight gain and orthostatic hypotension.[6]
The final step in the synthesis involves the alkylation of 3-(2-cyanophenothiazin-10-yl)propyl 4-methylbenzenesulfonate, CID:134990672 (1) with 4-Piperidinol [5382-16-1] (2) giving Periciazine (3).
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