Etoricoxib: Difference between revisions
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== Brand names== |
== Brand names== |
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Brand names for etoricoxib include Arcoxia in Sweden, Finland, Germany, Brazil, Singapore, Thailand, Mexico, Bulgaria and Romania; Algix and Tauxib in Italy; Etorix and Vargus in Bangladesh; Berrica in Pakistan; Exxiv in Portugal; Etozox in India. |
Brand names for etoricoxib include Arcoxia in Sweden, Finland, Germany, Brazil, Singapore, Thailand, Mexico, Bulgaria and Romania; Algix and Tauxib in Italy; Etorix and Vargus in Bangladesh; Berrica and Starcox in Pakistan; Exxiv in Portugal; Etozox in India. |
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==References== |
==References== |
Revision as of 19:50, 27 October 2015
Clinical data | |
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AHFS/Drugs.com | International Drug Names |
Pregnancy category |
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Routes of administration | Oral |
ATC code | |
Legal status | |
Legal status | |
Pharmacokinetic data | |
Bioavailability | 100% |
Protein binding | 92% |
Metabolism | Hepatic, CYP extensively involved (mainly CYP3A4) |
Elimination half-life | 22 hours |
Excretion | Renal (70%) and fecal (20%) |
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CAS Number | |
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IUPHAR/BPS | |
DrugBank | |
ChemSpider | |
UNII | |
KEGG | |
ChEBI | |
ChEMBL | |
CompTox Dashboard (EPA) | |
ECHA InfoCard | 100.207.709 |
Chemical and physical data | |
Formula | C18H15ClN2O2S |
Molar mass | 358.842 g/mol g·mol−1 |
3D model (JSmol) | |
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Etoricoxib (Arcoxia) is a COX-2 selective inhibitor from Merck & Co. Currently it is approved in more than 80 countries worldwide but not in the US, where the Food and Drug Administration (FDA) has required additional safety and efficacy data for etoricoxib before it will issue approval.
Therapeutic indications
Etoricoxib is indicated for the treatment of rheumatoid arthritis, psoriatic arthritis, osteoarthritis, ankylosing spondylitis, chronic low back pain, acute pain, and gout. Approved indications differ by country.
A Cochrane systematic review assessed the benefits of single-dose etoricoxib in reduction of acute post-operative pain in adults.[1] Single-dose oral etoricoxib provides good quality pain relief post-operatively in adults and adverse events are similar to placebo in the studies included.[1] Etoricoxib given at a dose of 120 mg is as effective or even better than other analgesics that are commonly used.[1]
Mechanism of action
Like any other COX-2 selective inhibitor ("coxib"), etoricoxib selectively inhibits isoform 2 of the enzyme cyclooxygenase (COX-2). It has approximately 106-fold selectivity for COX-2 inhibition over COX-1. This reduces the generation of prostaglandins (PGs) from arachidonic acid. Among the different functions exerted by PGs, their role in the inflammation cascade should be highlighted.
COX-2 selective inhibitors show less activity on COX-1 compared to traditional non-steroidal anti-inflammatory drugs (NSAID). This reduced activity is the cause of reduced gastrointestinal side effects, as demonstrated in several large clinical trials performed with different coxibs.[2][3]
History
Some clinical trials and meta-analysis showed that treatment with some coxibs (in particular rofecoxib) led to increased incidence of adverse cardiovascular events compared to placebo. Because of these results, some drugs were withdrawn from the market (rofecoxib, in September 2004 and valdecoxib in April 2005). In addition, the United States Food and Drug Administration and the European Medicines Agency started revision processes of the entire class of both NSAIDs and COX-2 inhibitors.[4]
In April 2007, the FDA issued Merck a "non-approvable letter" for etoricoxib. The letter said Merck needs to provide more test results showing that the drug's benefits outweigh its risks before it has another chance of getting approved.
Brand names
Brand names for etoricoxib include Arcoxia in Sweden, Finland, Germany, Brazil, Singapore, Thailand, Mexico, Bulgaria and Romania; Algix and Tauxib in Italy; Etorix and Vargus in Bangladesh; Berrica and Starcox in Pakistan; Exxiv in Portugal; Etozox in India.
References
- ^ a b c Clarke R, Derry S, Moore RA; Derry; Moore (2014). "Single dose oral etoricoxib for acute postoperative pain in adults". Cochrane Database Syst Rev (5): CD004309. doi:10.1002/14651858.CD004309.pub4.
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: CS1 maint: multiple names: authors list (link) - ^ Bombardier, Claire; Laine, Loren; Reicin, Alise; Shapiro, Deborah; Burgos-Vargas, Ruben; Davis, Barry; Day, Richard; Ferraz, Marcos Bosi; Hawkey, Christopher J.; Hochberg, Marc C.; Kvien, Tore K.; Schnitzer, Thomas J. (2000). "Comparison of Upper Gastrointestinal Toxicity of Rofecoxib and Naproxen in Patients with Rheumatoid Arthritis". New England Journal of Medicine. 343 (21): 1520. doi:10.1056/NEJM200011233432103. PMID 11087881.
- ^ Cannon, Christopher P; Curtis, Sean P; Fitzgerald, Garret A; Krum, Henry; Kaur, Amarjot; Bolognese, James A; Reicin, Alise S; Bombardier, Claire; Weinblatt, Michael E; Van Der Heijde, Désirée; Erdmann, Erland; Laine, Loren (2006). "Cardiovascular outcomes with etoricoxib and diclofenac in patients with osteoarthritis and rheumatoid arthritis in the Multinational Etoricoxib and Diclofenac Arthritis Long-term (MEDAL) programme: A randomised comparison". The Lancet. 368 (9549): 1771. doi:10.1016/S0140-6736(06)69666-9.
- ^ The FDA concluded its revision on April 6, 2005: the final document can be found here. The EMA concluded its revision on June 27, 2005: the final document can be found here