ISSN:
1432-1041
Keywords:
meptazinol
;
pharmacokinetics
;
elderly patients
;
healthy volunteers
;
bioavailability
Source:
Springer Online Journal Archives 1860-2000
Topics:
Chemistry and Pharmacology
,
Medicine
Notes:
Summary We have determined the pharmacokinetics of meptazinol after its intravenous and intramuscular administration in a crossover study in 7 elderly hospital in-patients (〉70 years), and have compared with the results from 14 healthy, young volunteers (ages 20–40 years). The systemic availability after i.m. administration was comparable to that after i.v. administration, a result consistent with the physicochemical properties of the drug. There was a slight, but statistically significant (p〈0.01) prolongation in t1/2z in the elderly (mean 2.93 h) compared with the young (mean 2.06 h). This was associated with a 25% lower clearance in the elderly rather than with any alteration in volume of distribution. However, these changes would not appear to be substantial enough to require a revised dosage recommendation for meptazinol for this age group.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00541306
