Process for formulation of carbapenem antibiotic compositions

A - Human Necessities – 61 – K

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A61K 31/407 (2006.01) A61P 31/04 (2006.01) C07D 477/02 (2006.01) C07D 477/20 (2006.01) C07D 487/04 (2006.01)

Patent

CA 2388163

A novel process for preparing a stabilized, lyophilized carbapenem, antibiotic formulation suitable for intravenous administration to patients in need thereof, wherein the active ingredient is of formula (II). The process entails compounding an unstable, monosodium salt carbapenem with a sodium bicarbonate solution at a temperature range of from about 0° to about 5°C while maintaining a pH between about 7.0 and about 8.0, filtering the resultant solution, bottling under sterile conditions, and lyophilizing to produce the formulation.

L'invention concerne un procédé permettant de préparer une préparation antibiotique stabilisée et lyophilisée à base de carbapenem pouvant être administrée par voie intraveineuse à des patients le nécessitant. La préparation contient l'ingrédient actif représenté par la formule (II). Ce procédé consiste à mélanger un carbapenem à sel monosodique avec une solution de bicarbonate de sodium à une température comprise entre environ 0 DEG C et environ 5 DEG C tout en maintenant un pH entre environ 7,0 et environ 8,0; à filtrer la solution obtenue; à la mettre en bouteille dans des conditions stériles; puis à la lyophiliser de manière à produire la préparation.

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