Triflusal

Triflusal is a platelet aggregation inhibitor that was discovered and developed in the Uriach Laboratories, and commercialised in Spain since 1981. Currently, it is available in 25 countries in Europe, Asia, Africa and America. It is a drug of the salicylate family but it is not a derivative of acetylsalicylic acid (ASA), but rather a trifluoromethylated analogue. Trade names include Disgren, Grendis, Aflen and Triflux.[1]

Triflusal
Clinical data
AHFS/Drugs.comInternational Drug Names
ATC code
Identifiers
CAS Number
PubChem CID
ChemSpider
UNII
ChEMBL
CompTox Dashboard (EPA)
ECHA InfoCard100.005.726
Chemical and physical data
FormulaC10H7F3O4
Molar mass248.157 g·mol−1
3D model (JSmol)
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Mechanism of action

Triflusal is a selective platelet antiaggregant through;

  • blocks cyclooxygenase, thereby inhibiting thromboxane A2, and thus preventing aggregation
  • preserves vascular prostacyclin, thus promoting anti-aggregant effect
  • blocks phosphodiesterase thereby increasing cAMP concentration, thereby promoting anti-aggregant effect due to inhibition of calcium mobilization

Indication

Triflusal is indicated for;

Prevention of stroke

In the 2008 guidelines for stroke management from the European Stroke Organization, triflusal was for the first time recommended as lone therapy, as an alternative to acetylsalicylic acid plus dipyridamole, or clopidogrel alone for secondary prevention of atherothrombotic stroke. This recommendation was based on the double-blind, randomised TACIP and TAPIRSS trials, which found triflusal to be equally as effective as Aspirin in preventing post-stroke vascular events, while having a more favourable safety profile.[2][3][4]

Pharmacokinetics

It is absorbed in the small intestine and its bio-availability ranges from 83% to 100%.[5][6]

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References
  1. Murdoch D, et al. Triflusal: a review of its use in cerebral infarction and myocardial infarction, and as thromboprophylaxis in atrial fibrillation.Drugs 2006; 66(5):671-92
  2. Matías-Guiu J, Ferro JM, Alvarez J, et al; for the TACIP Investigators. Comparison of triflusal and aspirin for prevention of vascular events in patients after cerebral infarction. The TACIP study: a randomized, double-blind, multicenter trial. Stroke 2003; 34; 840-848
  3. Culebras A, Rotta-Escalante R, Vila J, et al; and the TAPIRSS investigators. Triflusal vs. aspirin for prevention of cerebral infarction.A randomized stroke study. Neurology. 2004; 62:1073-1080
  4. Guidelines for management of ischaemic stroke and transient ischaemic attack 2008. The European Stroke Organization(ESO) Executive Committee and the ESO Writing Committee.Cerebrovasc Dis. 2008; 25: 57-507
  5. Ramis J, Mis R, Conte L, Forn J. Rat and human plasma protein binding of the main metabolite of triflusal. Eur J Pharmacol.1990; 183: 1867-1868
  6. Ramis J, Mis R, Forn J, Torrent J, Gorina E, Jané F. Pharmacokinetics of triflusal and its main metabolite HTB in healthy subjects following a single oral dose. Eur J Drug Metab Pharmacokinet.1991; 16: 169-273.37,38
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