Direct compression formulation of dpp-iv inhibitors and...

A - Human Necessities – 61 – K

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Details

A61K 45/06 (2006.01) A61K 9/20 (2006.01) A61K 31/40 (2006.01) A61K 31/4439 (2006.01)

Patent

CA 2610412

Dipeptidylpeptidase IV inhibitor (herein referred to as DPP-IV) that may be 98.5 -100% pure is a high-dose drug capable of being directly compressed with a glitazone and specific excipients into sold form dosage forms, such as tablets and capsules having desired, hardness, disintegrating ability and acceptable dissolution characteristics. DPP-IV is not inherently compressible and thus presents formulation problems. Excipients used in the formulation enhance the flow and compaction properties of the drug and tableting mix. Optimal flow contributes to uniform die fill and weight control. The binder used ensures sufficient cohesive properties that allow DPP-IV to be compressed using the direct compression method. The tablets produced provide an acceptable in vitro dissolution profile.

Inhibiteur de dipeptidylpeptidase IV (ci-après dénommé DPP-IV) pouvant être pur à 98,5-100 % qui est un médicament à fort dosage susceptible d'être comprimé directement avec un glitazone et des excipients spécifiques en formes pharmaceutiques commercialisées, du type comprimés et capsules ayant une dureté et une capacité de désintégration souhaitées et des caractéristiques de dissolution acceptables. Le DPP-IV n'est pas compressible de façon inhérente, ce qui pose des problèmes de formulation. Les excipients utilisés dans la formulation améliorent les propriétés de flux et de compactage du médicament et du mélange à comprimés. Un flux optimal contribue au remplissage de filière uniforme et au contrôle de poids. Le liant utilisé assure des propriétés de cohésion suffisantes qui permettent la compression du DDP-IV par le biais d'un procédé de compression directe. Les comprimés produits présentent une profil de dissolution in vitro acceptable.

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