Clinical data
Routes of
ATC code None
Legal status
Legal status
  • Non-regulated
CAS Number 123618-00-8
133267-27-3 (tartrate)
PubChem (CID) 6918160
ChemSpider 5293373
Chemical and physical data
Formula C22H31NO4
Molar mass 373.486 g/mol
3D model (Jmol) Interactive image

Fedotozine (INN; Jo-1196) is an opioid drug of the arylacetamide series which acts as a peripherally-specific, selective κ1-opioid receptor agonist with preference for the κ1A subtype.[1] It was under investigation for the treatment of gastrointestinal conditions like irritable bowel syndrome and functional dyspepsia and made it to phase III clinical trials,[1][2][3] but ultimately development was discontinued and it was never marketed.

See also


  1. 1 2 Delvaux M (January 2001). "Pharmacology and clinical experience with fedotozine". Expert Opinion on Investigational Drugs. 10 (1): 97–110. doi:10.1517/13543784.10.1.97. PMID 11116283.
  2. Barber A, Gottschlich R (October 1997). "Novel developments with selective, non-peptidic kappa-opioid receptor agonists". Expert Opinion on Investigational Drugs. 6 (10): 1351–68. doi:10.1517/13543784.6.10.1351. PMID 15989506.
  3. Lembo A (2006). "Peripheral opioids for functional GI disease: a reappraisal". Digestive Diseases (Basel, Switzerland). 24 (1-2): 91–8. doi:10.1159/000090312. PMID 16699267.

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