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In a 3-year bioavailability program 14 studies in 45 healthy volunteers were carried out to differentiate between experimental lots of rifampicin (RMP) capsules and marketed preparations of other manufacturers with lower bioavailability than Rifadin (RFD), used as standard reference drug. In each study single oral doses of 600 mg of 2-5 different RMP(More)
Plasma L-DOPA levels in rats receiving L-DOPA by the oral route were decreased by the concomitant administration of trihexyphenidyl. Following systemic L-DOPA administration no differences were observed between control and trihexyphenidyl-treated rats. Effects similar to those of trihexyphenidyl were observed with atropine. These results indicate that(More)
Premazepam, a pyrrolodiazepine with potential anxiolytic properties, behaves as a partial antagonist to diazepam in animal tests. Its pharmacokinetics and metabolism were studied in four healthy volunteers. After oral administration of 30 mg [6-14C] premazepam, the plasma levels of total radioactivity reached maximum concentrations 1-4 h (mean 2 h)(More)
The pharmacokinetic profile of teicoplanin, a new glycopeptide antibiotic active against Gram-positive aerobic and anaerobic bacteria, was studied in 5 healthy male volunteers and 29 adult patients with various degrees of renal impairment, given a single 3 mg/kg intravenous dose. Teicoplanin was assayed in plasma and urine specimens by a microbiological(More)
In this double-blind, randomized study, five healthy subjects per group received doses of 15, 20, or 25 mg of teicoplanin per kg of body weight, and one subject per group received a 0.9% NaCl placebo as single intravenous infusion over 30 min. Serial blood samples and urine were collected for 13 days postadministration, and concentrations of teicoplanin(More)
We have studied the pharmacokinetics of teicoplanin, a new glycopeptide antibiotic active against Gram-positive aerobic and anaerobic bacteria, in five patients with end-stage renal disease on continuous ambulatory peritoneal dialysis (CAPD). Although teicoplanin was eliminated in the peritoneal fluid, relatively little was recovered (6.8±1.2% of the given(More)
Five healthy male volunteers received over 60 sec a single intravenous injection of 400 mg of teicoplanin labelled with 41 microCi of 14C. Plasma and urine total radioactivity was measured up to 10 and 16 days, respectively. Teicoplanin was assayed in plasma and urine also by a microbiological method, with similar results. Pharmacokinetic parameters were(More)
The pharmacokinetic profile of teicoplanin, a new glycopeptide antibiotic active against Gram-positive aerobic and anaerobic bacteria, is described in five patients with end-stage renal disease on continuous ambulatory peritoneal dialysis (CAPD). A single 3 mg kg-1 dose was given intraperitoneally in the dialysate during a 6 h dwell time. The drug appeared(More)