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Title: Robalzotan  
Author: World Heritage Encyclopedia
Language: English
Subject: UH-301, Ebalzotan, Piclozotan, Repinotan, Sarizotan
Collection: Amines, Carboxamides, Chromenes, Organofluorides
Publisher: World Heritage Encyclopedia


Systematic (IUPAC) name
Clinical data
Legal status
  • Uncontrolled
Routes Oral
CAS number  YesY
ATC code None
Chemical data
Formula C18H23FN2O2 
Mol. mass 318.174 g/mol

Robalzotan (NAD-299, AZD-7371) is a selective antagonist at the 5-HT1A receptor.[1] It was shown to completely reverse the autoreceptor-mediated inhibition of serotonin release induced by the administration of selective serotonin reuptake inhibitors like citalopram in rodent studies.[2] It was subsequently investigated by AstraZeneca as a potential antidepressant but like many other 5-HT1A ligands was discontinued.[3] Later on it was researched for other indications such as irritable bowel syndrome but was dropped once again.[4]

See also


  1. ^ Jerning E, Svantesson GT, Mohell N. (1998). "Receptor binding characteristics of [3H]NAD-299, a new selective 5-HT1A receptor antagonist.". Eur J Pharmacol. 360 (2-3): 219–225.  
  2. ^ Arborelius L, Wallsten C, Ahlenius S, Svensson TH. (1999). "The 5-HT(1A) receptor antagonist robalzotan completely reverses citalopram-induced inhibition of serotonergic cell firing.". Eur J Pharmacol. 382 (2): 133–138.  
  3. ^ Mucke HA. (2000). "Robalzotan AstraZeneca.". Curr Opin Investig Drugs. 1 (2): 236–240.  
  4. ^ Drossman DA, Danilewitz M, Naesdal J, Hwang C, Adler J, Silberg DG (October 2008). "Randomized, double-blind, placebo-controlled trial of the 5-HT1A receptor antagonist AZD7371 tartrate monohydrate (robalzotan tartrate monohydrate) in patients with irritable bowel syndrome". The American Journal of Gastroenterology 103 (10): 2562–9.  

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