Darifenacin

Darifenacin
Clinical data
Trade names Enablex
AHFS/Drugs.com Monograph
MedlinePlus a605039
Pregnancy
category
  • AU: B3
  • US: C (Risk not ruled out)
    Routes of
    administration    		 Oral
    ATC code
    Legal status
    Legal status
    Pharmacokinetic data
    Bioavailability 15 to 19% (dose-dependent)
    Protein binding 98%
    Metabolism Hepatic (CYP2D6- and CYP3A4-mediated)
    Elimination half-life 13 to 19 hours
    Excretion Renal (60%) and biliary (40%)
    Identifiers
    CAS Number
    PubChem CID
    IUPHAR/BPS
    DrugBank
    ChemSpider
    UNII
    KEGG
    ChEBI
    ChEMBL
    ECHA InfoCard 100.118.382 Edit this at Wikidata
    Chemical and physical data
    Formula C28H30N2O2
    Molar mass 426.55 g/mol
    3D model (JSmol)
     ☒N☑Y (what is this?)  (verify)

    Darifenacin (trade name Enablex in US and Canada, Emselex in Europe) is a medication used to treat urinary incontinence. It was discovered by scientists at the Pfizer research site in Sandwich, UK under the identifier UK-88,525 and used to be marketed by Novartis. In 2010 the US rights were sold to Warner Chilcott for 400 million US$.

    Mechanism of action

    Darifenacin works by blocking the M3 muscarinic acetylcholine receptor, which is primarily responsible for bladder muscle contractions. It thereby decreases the urgency to urinate. It is not known whether this selectivity for the M3 receptor translates into any clinical advantage when treating symptoms of overactive bladder syndrome.

    It should not be used in people with urinary retention. Anticholinergic agents, such as darifenacin, may also produce constipation and blurred vision. Heat prostration (due to decreased sweating) can occur when anticholinergics such as darifenacin are used in a hot environment.[1]

    Clinical uses

    Darifenacin is indicated for the treatment of overactive bladder with symptoms of urge urinary incontinence, urgency and frequency in adults.

    References

    1. ↑ Enablex on drugs.com
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