Abstract: The invention provides a composition comprising a mixture of polypeptides, wherein each polypeptide (a) is a copolymer of the amino acids L-glutamic acid, L-alanine, L-tyrosine, and L-lysine, and (b) may be in the form of a pharmaceutically acceptable salt; and wherein in the mixture (i) the polypeptides have an average molecular weight in the range 13,500 to 18,500 daltons, (ii) 13% to 38% of the polypeptides have a diethylamide group instead of a carboxyl group present at one end thereof, and (iii) 68% of the polypeptides have a molecular weight between 7,000 and 41,000 daltons. In an embodiment, the average molecular weight is 16,000 daltons. The invention also provides a method of treating a human subject afflicted with a neurodegenerative disease comprising administering to the human subject a therapeutically effective amount of any of the disclosed compositions so as to thereby treat the human subject.

Abstract: This invention provides a method of alleviating a symptom of a patient suffering from a relapsing form of multiple sclerosis which comprises periodically administering to the patient by subcutaneous injection a single dose of a pharmaceutical composition comprising 40 mg of glatiramer acetate so as to thereby alleviate the symptom of the patient. This invention also provides a method of reducing Gd-enhancing lesions in the brain and a pharmaceutical composition in a unit dosage.

Abstract: The invention provides a composition comprising a mixture of polypeptides, wherein each polypeptide (a) is a copolymer of the amino acids L-glutamic acid, L-alanine, L-tyrosine, and L-lysine, and (b) may be in the form of a pharmaceutically acceptable salt; and wherein in the mixture (i) the polypeptides have an average molecular weight in the range 13,500 to 18,500 daltons, (ii) 13% to 38% of the polypeptides have a diethylamide group instead of a carboxyl group present at one end thereof, and (iii) 68% of the polypeptides have a molecular weight between 7,000 and 41,000 daltons. In an embodiment, the average molecular weight is 16,000 daltons, and processes for preparing and its uses.

Abstract: The subject invention provides a method of treating a subject afflicted with a form of multiple sclerosis comprising periodically administering to the subject an amount of glatiramer acetate and an amount of alphacalcidol, wherein the amounts when taken together are effective to alleviate a symptom of the form of multiple sclerosis in the subject so as to thereby treat the subject. The subject invention also provides a package comprising glatiramer acetate, alphacalcidol and instructions for use of them together to alleviate a symptom of a form of multiple sclerosis in a subject. Additionally, the subject invention provides a pharmaceutical composition comprising an amount of glatiramer acetate and an amount of alphacalcidol, wherein the amounts when taken together are effective to alleviate a symptom of a form of multiple sclerosis in a subject.

Abstract: The invention provides a composition comprising a mixture of polypeptides, wherein each polypeptide (a) is a copolymer of the amino acids L-glutamic acid, L-alanine, L-tyrosine, and L-lysine, and (b) may be in the form of a pharmaceutically acceptable salt; and wherein in the mixture (i) the polypeptides have an average molecular weight in the range 13,500 to 18,500 daltons, (ii) 13% to 38% of the polypeptides have a diethylamide group instead of a carboxyl group present at one end thereof, and (iii) 68% of the polypeptides have a molecular weight between 7,000 and 41,000 daltons. In an embodiment, the average molecular weight is 16,000 daltons, and processes for preparing and its uses.