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Plasma Turnover and Excretion of K-strophanthoside-3H in Human Volunteers After Parenteral Administration

Plasma Turnover and Excretion of K-strophanthoside-3H in Human Volunteers After Parenteral Administration

A Marzo, P Ghirardi, O Riva, G C Maggi, A Scalvini, G Marchetti

Naunyn Schmiedebergs Arch Pharmacol. 1976 Aug;294(2):115-20.

PMID: 1012332

Abstract:

Pharmacokinetic parameters of K-strophanthoside-3H, a short-acting cardiac glycoside, were investigated in healthy subjects, patients suffering from heart disease, renal failure and in cholecystectomized patients with a biliary T-tube inserted surgically, after parenteral administration of 250 mug of the glycoside. The healthy subjects, patients suffering from heart disease and those with the biliary T-tube showed a dominant half-time for plasma turnover of the glycoside of 15-16 h after the i.v. route and 18-22 h after the i.m. route and cumulative urinary excretion of the drug over a 24 h period of 37-42% (i.v. route) and 32-33% (i.m. route). The volumes of distribution were lower in patients with heart disease and patients with biliary fistula than in the healthy subjects. In patients suffering from renal failure the dominant half-time of plasma turnover was higher (33 h), while cumulative urinary excretion of the glycoside (12%) and the volumes of distribution were lower than in the healthy subjects. A peak of plasma levels 30 min after i.m. administration of K-strophanthoside-3H leads to the conclusion that this glycoside is rapidly absorbed when injected intramuscularly.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP33279571	k-Strophanthoside		33279-57-1	Price

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