A - Human Necessities – 61 – K
Patent
A - Human Necessities
61
K
A61K 38/48 (2006.01) A61K 31/07 (2006.01) A61K 31/557 (2006.01) A61K 31/715 (2006.01) A61K 38/17 (2006.01) A61K 38/18 (2006.01) A61K 38/39 (2006.01) A61K 38/57 (2006.01) A61K 38/58 (2006.01) A61K 47/36 (2006.01) A61K 47/42 (2006.01) A61L 26/00 (2006.01)
Patent
CA 2103938
ABSTRACT OF THE DISCLOSURE In accordance with the present invention, a method is disclosed for the remediation of scar tissue in a human or an animal by introducing into the scar tissue or into tissue adjacent the scar tissue a remedial composition comprising a bioactive material selected from naturally occurring growth factors, synthetic growth factors, active peptide segments of naturally occurring and synthetic growth factors, and mixtures thereof. Typically the remedial composition includes a biodegradable or non- biodegradable support matrix material to provide for timed release of the bioactive material. Preferably, the support matrix material is biodegradable and is selected from the group consisting of collagen, glycosaminoglycan, gelatin, albumin, hyaluronic acid, heparin, oxidized cellulose, dextran, polyglycolic acid, polylactic acid, polyanhydride and mixtures thereof. Most scar tissue, particularly in human beings, is very dense and is difficult for the remedial composition described above to penetrate. To render the scar tissue less dense and to spatially expand the scar tissue fibrils, it is preferable to introduce into the scar tissue a softening, expanding composition as well as the remedial composition containing the bioactive material. The softening, expanding composition can be introduced simultaneously with introduction of the remedial composition; however, it is preferable that the softening, expanding composition be introduced prior to the remedial composition. A preferred softening, expanding composition includes at least one dried collagen-comprising polymer, at least one polymer hydrogel and a non-aqueous liquid carrier material.
Berg Richard A.
Rhee Woonza M.
Ade & Company
Collagen Corporation
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