Therapeutic drug monitoring of antiarrhythmic drugs

Gesche Jürgens*, Niels A. Graudal, Jens P. Kampmann

*Corresponding author af dette arbejde

    Publikation: Bidrag til tidsskriftReviewForskningpeer review


    Most antiarrhythmic drugs fulfil the formal requirements for rational use of therapeutic drug monitoring, as they show highly variable plasma concentration profiles at a given dose and a direct concentration-effect relationship. Therapeutic ranges for antiarrhythmic drugs are, however, often very poorly defined. Effective drug concentrations are based on small studies or studies not designed to establish a therapeutic range, with varying dosage regimens and unstandardised sampling procedures. There are large numbers of nonresponders and considerable overlap between therapeutic and toxic concentrations. Furthermore, no study has ever shown that therapeutic drug monitoring makes a significant difference in clinical outcome. Therapeutic concentration ranges for antiarrhythmic drugs as they exist today can give an overall impression about the drug concentrations required in the majority of patients. They may also be helpful for dosage adjustment in patients with renal or hepatic failure or in patients with possible toxicological or compliance problems. Their use in optimising individual antiarrhythmic therapy, however, is very limited.

    Sider (fra-til)647-664
    Antal sider18
    TidsskriftClinical Pharmacokinetics
    Udgave nummer7
    StatusUdgivet - 1 jan. 2003


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