TITLE

Estudio de bioequivalencia de montelukast en tabletas masticables de 5 mg

AUTHOR(S)
Medina, Ángela Piedad; Olaya, Francisco Javier; Navas, Mónica Patricia; Tilano, Ángela María; Muñoz, Enrique
PUB. DATE
September 2012
SOURCE
Biomédica: Revista del Instituto Nacional de Salud;Sep2012, Vol. 32 Issue 3, p399
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Introduction. The importance of generic drugs is the possibility of reduced costs in the national health system without sacrificing quality of service and the efficacy and safety of treatments. However, bioequivalence studies must show that the pharmacokinetic profiles of the test product and reference product are similar and interchangeable. Montelukast sodium is indicated for the prophylaxis and chronic treatment of asthma in adults and pediatric patients 12 months of age or older. It is generally well tolerated, although adverse reactions are more frequent in patients treated with the drug than in those treated with placebo. Objectives. To compare the bioavailability of Amisped® (5 mg montelukast chewable tablets) manufactured by Sanofi-Aventis and 5 mg chewable tablet montelukast (Singulair®) developed by Merck. Materials and methods. The magnitude and rate of absorption of montelukast was compared in 18 healthy volunteers using a randomized complete crossover design. The bioassay was performed by high performance liquid chromatography. Results. Results are indicated for the generic and innovator, respectively: Tmax (h) 2.17±0.73, 2.28±0.88; Cmax (ng/mL) 607.4±122.9, 627.7±134.2; AUC0-t (ng*h/ml) 3,316±861, 3,545±1,070; AUC0-8 (ng*h/ml) 3,450±904, 3,722±1121; Ke (1/h) 0.25±0.05, 0.23±0.04 in the confidence range of 0.99-1.00 for lnCmax and 0.94-1.06 for lnAUC0-8. Conclusions. The formula tested in Amisped® from Sanofi-Aventis is bioequivalent to the reference formulation of Merck Singulair®.
ACCESSION #
82831039

 

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