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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Oral flecainide acetate for the treatment of ventricular arrhythmias.

The antiarrhythmic efficacy and safety of oral flecainide acetate were assessed during a controlled, short-term dosage-maintenance study. Thirteen patients with chronic ventricular ectopy entered a placebo control period, and 11 with persistent, frequent (greater than 600 per 12 hours) premature ventricular complexes (PVCs) advanced to drug therapy. Of 10 patients completing a trial of different doses, nine responded completely, with a mean PVC suppression of 98,3 per cent. Repetitive PVCs were eliminated. The mean effective dose was 189 mg per 12 hours, and the effective plasma concentration before administration of a dose averaged 635 ng per milliliter. One patient responded partially (68 per cent of PVCs suppressed). Flecainide continued to be effective and well tolerated at the end of a two-week outpatient trial in the nine complete responders, maintaining an average PVC suppression of 94.6 per cent. The PR and QRS intervals were mildly prolonged. The echocardiographic ejection fraction was unchanged during treatment. The elimination half-life was long - 18.8 +/- 3.8 hours. Flecainide thus appears to be a highly effective and well-tolerated antiarrhythmic agent with favorable pharmacokinetics.[1]


  1. Oral flecainide acetate for the treatment of ventricular arrhythmias. Anderson, J.L., Stewart, J.R., Perry, B.A., Van Hamersveld, D.D., Johnson, T.A., Conard, G.J., Chang, S.F., Kvam, D.C., Pitt, B. N. Engl. J. Med. (1981) [Pubmed]
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