Compositions and methods for improving autologous fat grafting

A - Human Necessities – 61 – K

Patent

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Details

A61K 38/28 (2006.01) A61K 35/12 (2006.01) A61K 38/18 (2006.01) A61K 38/27 (2006.01) A61K 38/30 (2006.01)

Patent

CA 2223734

The present invention relates to compositions and methods for use in and enhancing the success of autologous fat grafting in a patient. The compositions according to the present invention are useful for enhancing autologous fat grafting by improving the survival rate of lipocytes which are injected into a patient as part of a fat grafting procedure. These compositions comprise a fat grafting effective amount of autologous lipocytes in combination with a lipocyte growth effective amount of a non-steroidal anabolic hormone selected from insulin, triiodothyronine/thyroxine (T3 or T4), mixtures thereof, and optionally, growth hormone, most preferably a mixture of all three hormones because of the favorable effect these three hormones exhibit in combination to promote autologous fat grafting, the hormones being further combined with a lipocyte growth effective amount of a nutrient medium, preferably a serum free nutrient medium as at least a minimum essential medium.

La présente invention concerne des compositions et des procédés destinés à être utilisés pour la greffe de tissus adipeux autologues chez un patient et pour accroître les chances de succès d'une telle greffe. Ces compositions permettent d'améliorer la greffe de tissus adipeux autologues dans la mesure où elles augmentent le taux de survie des lipocytes qui sont injectés à un patient dans le cadre de la procédure de greffe de tissus adipeux. Ces compositions comprennent une quantité de lipocytes autologues susceptible d'assurer efficacement la greffe de tissus adipeux, associée à une quantité assurant efficacement la croissance lipocytaire, d'une hormone anabolisante non stéroïdienne choisie parmi l'insuline, la triiodothyronine/thyroxine (T¿3? ou T¿4?), des mélanges de celles-ci et, éventuellement, l'hormone de croissance, idéalement un mélange de ces trois hormones, compte tenu de l'effet favorable qu'exercent ces trois hormones en association sur la greffe de tissus adipeux autologues. Ces hormones sont par ailleurs associées à une quantité d'un milieu nutritif favorisant efficacement la croissance lypocytaire, de préférence un milieu nutritif dépourvu de sérum qui sert de milieu essentiel minimum requis.

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