PMID: 16509025Mar 3, 2006Paper

Evaluation of a sex-based difference in the pharmacokinetics of digoxin

Pharmacotherapy
Lois S Lee, Lingtak-Neander Chan

Abstract

To determine whether a sex-based difference in digoxin pharmacokinetics exists in patients receiving long-term digoxin therapy for chronic heart failure or atrial fibrillation. Single-center, retrospective review of medical records. University-based teaching hospital and outpatient clinic. Sixty-seven adults (32 men, 35 women) with chronic heart failure or atrial fibrillation who were receiving digoxin therapy. Serum digoxin concentrations and daily digoxin doses were obtained from patients' medical records. Daily doses were adjusted for patients' actual and ideal body weight and body mass index (BMI). The ratio between the serum digoxin concentration and each of the adjusted daily doses of digoxin was compared between men and women. The mean +/- SD serum digoxin concentration was 0.85 +/- 0.51 ng/ml for men compared with 1.02 +/- 0.51 ng/ml for women. Mean +/- SD unadjusted doses of digoxin were 0.180 +/- 0.063 and 0.164 +/- 0.059 mg/day for men and women, respectively; the difference was not statistically significant. Ratios of serum digoxin concentration to daily digoxin doses did not differ by sex when doses were estimated with actual or ideal weight. Only the ratio of the digoxin concentration to the BMI-adjusted dose was ...Continue Reading

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Citations

Mar 25, 2011·Drugs & Aging·Roschelle A Heuberger, Karly Caudell
Apr 14, 2006·Expert Opinion on Drug Safety·Juan TamargoRicardo Caballero
Mar 23, 2017·European Heart Journal. Cardiovascular Pharmacotherapy·J TamargoS Agewall
Jun 21, 2017·Expert Review of Clinical Pharmacology·Ana Martin-SuarezM Victoria Calvo

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