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Details for Patent: 5,914,314

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Details for Patent: 5,914,314

Title: Use of a form of hyaluronic acid and a medicinal agent for reducing rejection of organs transplantation in mammals
Abstract:A combination for administration to a mammal which combination employs a therapeutically effective amount of a medicinal and/or therapeutic agent to treat a disease or condition and an amount of hyaluronic acid and/or salts thereof and/or homologues, analogues, derivatives, complexes, esters, fragments and subunits of hyaluronic acid sufficient to facilitate the agent's penetration through the tissue (including scar tissue) at the site to be treated, through the cell membranes into the individual cells to be treated.
Inventor(s): Falk; Rudolf Edgar (Toronto, CA), Asculai; Samuel S. (Toronto, CA)
Assignee: Hyal Pharmaceutical Corporation (Mississauga, CA)
Filing Date:Jun 05, 1995
Application Number:08/462,614
Claims:1. A method of reducing the likelihood of rejection of organs and tissues in transplantation thereof, said method comprising administration of a therapeutically effective amount of an immunosuppressant agent and a sufficient amount of a form of hyaluronic acid selected from hyaluronic acid and its non-toxic salts thereof sufficient to facilitate the penetration of the immunosuppressant agent through underperfused or pathological tissue, including scar tissue and through cell membranes into individual cells of a person in need of transplantation to be treated wherein the molecular weight of the form of hyaluronic acid is in the range of 150,000 to 750,000 daltons and said amount of the form of hyaluronic acid is sufficient to provide a dosage amount greater than 10 mg.

2. The method of claim 1 wherein the form of hyaluronic acid is sodium hyaluronate sufficient to provide a dosage amount less than 3000 mg.

3. The method of claim 1 or 2 wherein the immunosuppressant agent is a cyclosporin.

4. A dosage amount of a pharmaceutical composition in a suitable dosage form for administration to a patient for reducing the likelihood of rejection of organs and tissue in transplantation thereof, said dosage amount comprising an effective amount of an immunosuppressant agent selected from the group consisting of cyclosporin, and a sufficient amount of a form of hyaluronic acid selected from hyaluronic acid and its non-toxic salts thereof sufficient to facilitate the penetration of the immunosuppressant agent through underperfused or pathological tissue, including scar tissue, and through cell membranes into individual cells of a person in need of transplantation to be treated wherein the molecular weight of the form of hyaluronic acid is in the range of 150,000 to 750,000 daltons and said amount of the form of hyaluronic acid is sufficient to provide a dosage amount greater than 10 mg.

5. The dosage amount of claim 4 wherein the form of hyaluronic acid is sodium hyaluronate sufficient to provide a dosage amount less than 3000 mg .
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