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Systematic (IUPAC) name
gold(+1) cation; 3,4,5-triacetyloxy-6- (acetyloxymethyl) oxane-2-thiolate; triethylphosphanium
Clinical data
Trade names Ridaura
AHFS/ Consumer Drug Information
MedlinePlus a685038
Legal status
Routes Oral
Pharmacokinetic data
Bioavailability 40%[1][2]
Protein binding 60%[1][2]
Metabolism Plasma membrane of the cell removes the acetyl groups of the glucose moiety.
Half-life 21-31 hours[1][2]
Excretion Urine (60%), faeces[1][2]
CAS number 34031-32-8 YesY
ATC code M01CB03
PubChem CID 6333901
DrugBank DB00995
ChemSpider 21229878 YesY
UNII 3H04W2810V YesY
KEGG D00237 YesY
Chemical data
Formula C20H35AuO9PS+
Molecular mass 679.493 g/mol
 N (what is this?)  (verify)

Auranofin is a gold complex classified by the World Health Organization as an antirheumatic agent. It has the brand name Ridaura.


Auranofin is used to treat rheumatoid arthritis. It improves arthritis symptoms including painful or tender and swollen joints and morning stiffness.[3]


HIV infection[edit]

Auranofin is under investigation as means of reducing the viral reservoir of HIV that lies latent in the body's T-cells despite treatment with antiretroviral therapy. [4]


Auranofin has been identified in a high-throughput drug screen as 10 times more potent than metronidazole on Entamoeba histolytica, the protozoan agent of human amebiasis. Assays of thioredoxin reductase and transcriptional profiling suggest that the effect of auranofin on the enzyme enhances the sensitivity of the trophozoites to reactive oxygen-mediated killing in mouse and hamster models; the results are markedly reductions of the number of parasites, the inflammatory reaction to the infestation and the damage to the liver.[5][6][7]


  1. ^ a b c d Kean, WF; Hart, L; Buchanan, WW (May 1997). "Auranofin." (PDF). British Journal of Rheumatology 36 (5): 560–72. doi:10.1093/rheumatology/36.5.560. PMID 9189058. 
  2. ^ a b c d "Ridaura (auranofin) dosing, indications, interactions, adverse effects, and more". Medscape Reference. WebMD. Retrieved 13 March 2014. 
  3. ^ MedlinePlus DrugInfo medmaster-a685038
  4. ^ Gold-based drug shows promise in clearing HIV reservoir in monkey study. Keith Alcorn. Accessed 23 April 2011.
  5. ^ Debnath, Anjan; Parsonage, Derek; Andrade, Rosa M; He, Chen; Cobo, Eduardo R; Hirata, Ken; Chen, Steven; García-Rivera, Guillermina; Orozco, Esther; Martínez, Máximo B; Gunatilleke, Shamila S; Barrios, Amy M; Arkin, Michelle R; Poole, Leslie B; McKerrow, James H; Reed, Sharon L (2012). "A high-throughput drug screen for Entamoeba histolytica identifies a new lead and target". Nature Medicine 18 (6): 956–60. doi:10.1038/nm.2758. PMC 3411919. PMID 22610278. 
  6. ^ Drug Found for Parasite That Is Major Cause of Death Worldwide
  7. ^ Arthritis Drug Effective Against Global Parasite, Study Suggests

Further reading[edit]

External links[edit]