Improved pharmaceutical botulinum toxin compositions

A - Human Necessities – 61 – K

Patent

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Details

A61K 38/16 (2006.01) A61K 38/48 (2006.01) A61K 47/42 (2006.01) A61K 47/48 (2006.01)

Patent

CA 2510058

Botulinum toxin, a well know systemic poison, produces favorable therapeutic effect by virtue of regionally attach-ing to nerves within the myoneural junction and possibly other tissues in a target region of a particular tissue. The present invention provides compositions of botulinum toxin and a sequestration agent that increase sequestration and delivery of the botulinum toxin to neural and associated tissues, as compared with available formulations of botulinum toxins, and thereby produce a beneficial clinical effect. The sequestration agents of the present invention include proteins, lipids and carbohydrates. A preferred composition of the present invention comprises a botulinum toxin and an albumin. The present invention also provides methods of treating neuromus-cular diseases and pain using the disclosed compositions and methods of making the disclosed compositions.

La toxine botulique, un poison systémique bien connu, produit un effet thérapeutique favorable en vertu d'une fixation régionale aux nerfs dans la jonction myoneurale et probablement à d'autres tissus dans une région cible d'un tissu particulier. La présente invention fournit des compositions de la toxine botulique et d'un agent de séquestration qui augmentent la séquestration et la distribution de la toxine botulique aux tissus neuraux et associés, par rapport aux formulations disponibles de toxines botuliques, et produisent de ce fait un effet clinique bénéfique. Les agents de séquestration de la présente invention incluent des protéines, des lipides et des hydrates de carbone. Une composition préférée de la présente invention comporte une toxine botulique et une albumine. La présente invention concerne également des méthodes de traitement de maladies neuromusculaires et de la douleur par utilisation des compositions et des procédés de fabrication révélées des compositions révélées.

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