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FGIN-143 structure.png
Systematic (IUPAC) name
Clinical data
Legal status ?
CAS number 145040-29-5
ATC code ?
PubChem CID 3995234
Chemical data
Formula C28H36Cl2N2O 
Mol. mass 487.503 g/mol
 YesY (what is this?)  (verify)

FGIN-1-43 is an anxiolytic drug which acts as a selective agonist at the peripheral benzodiazepine receptor, also known as the mitochondrial 18 kDa translocator protein or TSPO. It is thought to produce anxiolytic effects by stimulating steroidogenesis of neuroactive steroids such as allopregnanolone, and is several times more potent than the related drug FGIN-127.[1][2][3][4]


  1. Romeo E, Auta J, Kozikowski AP, Ma D, Papadopoulos V, Puia G, Costa E, Guidotti A (September 1992). "2-Aryl-3-indoleacetamides (FGIN-1): a new class of potent and specific ligands for the mitochondrial DBI receptor (MDR)". The Journal of Pharmacology and Experimental Therapeutics 262 (3): 971–8. PMID 1326631. 
  2. Kozikowski AP, Ma D, Brewer J, Sun S, Costa E, Romeo E, Guidotti A (October 1993). "Chemistry, binding affinities, and behavioral properties of a new class of "antineophobic" mitochondrial DBI receptor complex (mDRC) ligands". Journal of Medicinal Chemistry 36 (20): 2908–20. PMID 8411007. doi:10.1021/jm00072a010. 
  3. Costa E, Auta J, Guidotti A, Korneyev A, Romeo E (June 1994). "The pharmacology of neurosteroidogenesis". The Journal of Steroid Biochemistry and Molecular Biology 49 (4–6): 385–9. PMID 8043504. doi:10.1016/0960-0760(94)90284-4. 
  4. Guillon J, Boulouard M, Lelong V, Dallemagne P, Rault S, Jarry C (November 2001). "Synthesis and preliminary behavioural evaluation in mice of new 3-aryl-3-pyrrol-1-ylpropanamides, analogues of FGIN-1-27 and FGIN-1-43". The Journal of Pharmacy and Pharmacology 53 (11): 1561–8. PMID 11732760. doi:10.1211/0022357011777945. 

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