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Title: Pruvanserin  
Author: World Heritage Encyclopedia
Language: English
Subject: Alcoholic beverage, Valerenic acid, Eplivanserin, Esmirtazapine, Clorotepine
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Systematic (IUPAC) name
Clinical data
Legal status
  • Uncontrolled
Routes Oral
CAS number
443144-27-2 (hydrochloride)
ATC code None
Chemical data
Formula C22H21FN4O 
Mol. mass 376.43 g/mol

Pruvanserin (EMD-281,014, LY-2,422,347) is a selective 5-HT2A receptor antagonist which was under development by Eli Lilly and Company for the treatment of insomnia.[1][2] It was in phase II clinical trials in 2008 but appears to have been discontinued as it is no longer in the company's development pipeline.[3][4] In addition to its sleep-improving properties,[5][6] pruvanserin has also been shown to have antidepressant, anxiolytic, and working memory-enhancing effects in animal studies.[7][8][9]

See also


  1. ^ Bartoszyk GD, van Amsterdam C, Böttcher H, Seyfried CA (July 2003). "EMD 281014, a new selective serotonin 5-HT2A receptor antagonist". European Journal of Pharmacology 473 (2–3): 229–30.  
  2. ^ Teegarden BR, Al Shamma H, Xiong Y (2008). "5-HT(2A) inverse-agonists for the treatment of insomnia". Current Topics in Medicinal Chemistry 8 (11): 969–76.  
  3. ^ "Efficacy Study of LY2422347 to Treat Insomnia - Full Text View -". 
  4. ^ "Eli Lilly and Company » Research Pipeline". 
  5. ^ Monti JM, Jantos H (September 2006). "Effects of activation and blockade of 5-HT2A/2C receptors in the dorsal raphe nucleus on sleep and waking in the rat". Progress in Neuro-psychopharmacology & Biological Psychiatry 30 (7): 1189–95.  
  6. ^ Monti JM, Jantos H (December 2006). "Effects of the serotonin 5-HT2A/2C receptor agonist DOI and of the selective 5-HT2A or 5-HT2C receptor antagonists EMD 281014 and SB-243213, respectively, on sleep and waking in the rat". European Journal of Pharmacology 553 (1–3): 163–70.  
  7. ^ Patel JG, Bartoszyk GD, Edwards E, Ashby CR (April 2004). "The highly selective 5-hydroxytryptamine (5-HT)2A receptor antagonist, EMD 281014, significantly increases swimming and decreases immobility in male congenital learned helpless rats in the forced swim test". Synapse 52 (1): 73–5.  
  8. ^ Adamec R, Creamer K, Bartoszyk GD, Burton P (November 2004). "Prophylactic and therapeutic effects of acute systemic injections of EMD 281014, a selective serotonin 2A receptor antagonist on anxiety induced by predator stress in rats". European Journal of Pharmacology 504 (1–2): 79–96.  
  9. ^ Terry AV, Buccafusco JJ, Bartoszyk GD (June 2005). "Selective serotonin 5-HT2A receptor antagonist EMD 281014 improves delayed matching performance in young and aged rhesus monkeys". Psychopharmacology 179 (4): 725–32.  
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