Infarct area perfusion-improving compositions and methods of...

A - Human Necessities – 61 – K

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A61K 35/12 (2006.01) A61K 35/16 (2006.01) A61K 45/00 (2006.01) A61P 9/10 (2006.01)

Patent

CA 2743255

The described invention provides pharmaceutical compositions for treating an infarct area injury and methods of treating or repairing the infarct area injury in a revascularized subject in the aftermath of an acute myocardial infarction resulting from a natural disease process by administering to the subject parenterally through a catheter a sterile pharmaceutical composition containing a therapeutically effective amount of a nonexpanded sterile isolated chemotactic hematopoietic stem cell product as a first therapeutic agent and optionally a therapeutically effective amount of at least one compatible second therapeutic agent. The infarct area-improving amount of the sterile isolated chemotactic hematopoietic stem cell product comprises an enriched population of isolated autologous CD34+ cells containing a subpopulation of potent cells expressing CXCR-4 and having CXCR-4-mediated chemotactic activity such that the enriched population of isolated autologous CD34+ hematopoietic stem cells provides at least 0.5 x 106 potent CD34+ cells expressing CXCR-4 and having CXCR-4 mediated chemotactic activity.

La présente invention concerne des compositions pharmaceutiques pour traiter une lésion de zone dinfarctus et des procédés de traitement ou de réparation de lésion de zone dinfarctus chez un sujet revascularisé à la suite dun infarctus du myocarde aigu résultant dun processus pathologique naturel par administration au sujet par voie parentérale par lintermédiaire dun cathéter dune composition pharmaceutique stérile contenant une quantité thérapeutiquement efficace dun produit de cellules souches hématopoïétiques chimiotactique isolé stérile non expansé en tant que premier agent thérapeutique et facultativement dune quantité thérapeutiquement efficace dau moins un deuxième agent thérapeutique compatible. La quantité améliorant la zone dinfarctus du produit de cellules souches hématopoïétiques chimiotactique isolé stérile comprend une population enrichie de cellules CD34+ autologues isolées contenant une sous-population de cellules actives exprimant CXCR-4 et ayant une activité chimiotactique véhiculée par CXCR-4 de sorte que la population enrichie de cellules souches hématopoïétiques CD34+ autologues isolées produise au moins 0,5 x 106 cellules CD34+ actives exprimant CXCR-4 et ayant une activité chimiotactique véhiculée par CXCR-4.

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