Patent ID: 7812007

Claim:
A method of treating the proliferation of smooth muscle cells in a patient in need of such treatment comprising the administration to said patient of a pharmaceutical composition comprising an active ingredient, wherein the active ingredient comprises at least one salt chosen from alkali and alkaline-earth metal salts of at least one sulphated polysaccharide of heparin, said at least one salt of at least one sulphated polysaccharide of heparin comprising: a mean molecular weight in the range of 1500 to 3000 daltons; an anti-Xa activity in the range of 110 to 150 IU/mg; an anti-IIa activity in the range of up to 10 IU/mg; and an anti-Xa activity/anti-IIa activity ratio greater than 10:1; wherein the active ingredient is present in an amount efficacious for such treatment.