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Sonepiprazole

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Sonepiprazole

Sonepiprazole
Systematic (IUPAC) name
4-(4-{2-[(1S)-3,4-dihydro-1H-isochromen-1-yl]ethyl}piperazin-1-yl)benzenesulfonamide
Clinical data
Legal status
  • Uncontrolled
Routes Oral
Identifiers
CAS number
ATC code None
PubChem
ChemSpider
UNII  YesY
Chemical data
Formula C21H27N3O3S 
Mol. mass 401.52 g/mol

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 amphetamine or apomorphine, 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]

See also

References

  1. ^ TenBrink RE, Bergh CL, Duncan JN, et al. (June 1996). "(S)-(-)-4-[4-[2-(isochroman-1-yl)ethyl]-piperazin-1-yl] benzenesulfonamide, a selective dopamine D4 antagonist". Journal of Medicinal Chemistry 39 (13): 2435–7.  
  2. ^ Merchant KM, Gill GS, Harris DW, et al. (December 1996). "Pharmacological characterization of U-101387, a dopamine D4 receptor selective antagonist". The Journal of Pharmacology and Experimental Therapeutics 279 (3): 1392–403.  
  3. ^ Mansbach RS, Brooks EW, Sanner MA, Zorn SH (January 1998). "Selective dopamine D4 receptor antagonists reverse apomorphine-induced blockade of prepulse inhibition". Psychopharmacology 135 (2): 194–200.  
  4. ^ Rubinstein M, Cepeda C, Hurst RS, et al. (June 2001). "Dopamine D4 receptor-deficient mice display cortical hyperexcitability". Journal of Neuroscience 21 (11): 3756–63.  
  5. ^ Arnsten AF, Murphy B, Merchant K (October 2000). "The selective dopamine D4 receptor antagonist, PNU-101387G, prevents stress-induced cognitive deficits in monkeys". Neuropsychopharmacology 23 (4): 405–10.  
  6. ^ Unangst PC, Capiris T, Connor DT, et al. (August 1997). "Chromeno[3,4-c]pyridin-5-ones: selective human dopamine D4 receptor antagonists as potential antipsychotic agents". Journal of Medicinal Chemistry 40 (17): 2688–93.  
  7. ^ Corrigan MH, Gallen CC, Bonura ML, Merchant KM (March 2004). "Effectiveness of the selective D4 antagonist sonepiprazole in schizophrenia: a placebo-controlled trial". Biological Psychiatry 55 (5): 445–51.  
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