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  • Title: Effect of multiple-dose activated charcoal on the clearance of high-dose intravenous aspirin in a porcine model.
    Author: Johnson D, Eppler J, Giesbrecht E, Verjee Z, Rais A, Wiggins T, Fraga C, Ito S.
    Journal: Ann Emerg Med; 1995 Nov; 26(5):569-74. PubMed ID: 7486364.
    Abstract:
    STUDY OBJECTIVE: To study the effect of multiple-dose activated charcoal (MDAC) on salicylate clearance in pigs given high-dose i.v. aspirin. DESIGN: In a crossover design, six fasted pigs received 300 mg/kg i.v. aspirin followed by no treatment or MDAC (1 g/kg hourly for 6 doses by gastrostomy). Serum salicylate samples were obtained every 30 minutes for 6 hours. RESULTS: The mean peak salicylate concentrations were 47.4 +/- 6.2 mg/dL and 48.4 +/- 3.9 mg/dL (P = .74), and the areas under the time-serum salicylate concentration curve over 6 hours were 171,000 +/- 24,000 mg.minute/L and 188,000 +/- 18,000 mg.minute/L for the control and treatment arms, respectively (P = .22). This study had a 90% power to detect a 30% difference between arms. CONCLUSION: MDAC does not enhance the clearance of salicylate after administration of high-dose i.v. aspirin.
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