Topical drug preparations
First Claim
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1. A stable, sterile gelled composition which comprises:
- a matrix containing a negative charged polymer having a mean average molecular weight between about 650,000 and 800,000 blended with a nonionic polymer, wherein the molar ratio of the charged polymer to the nonionic polymer is 1;
0.5 to 4 and the negative charged polymer is present in amounts of about 2.0% to about 3.5% by weight.
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Abstract
Topical gelled compositions comprising an optional drug dispersed within a polymer matrix, methods of producing the same and treatments with the complex.
5 Citations
44 Claims
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1. A stable, sterile gelled composition which comprises:
- a matrix containing a negative charged polymer having a mean average molecular weight between about 650,000 and 800,000 blended with a nonionic polymer, wherein the molar ratio of the charged polymer to the nonionic polymer is 1;
0.5 to 4 and the negative charged polymer is present in amounts of about 2.0% to about 3.5% by weight. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
- a matrix containing a negative charged polymer having a mean average molecular weight between about 650,000 and 800,000 blended with a nonionic polymer, wherein the molar ratio of the charged polymer to the nonionic polymer is 1;
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10. A method for the treatment of a condition in animals for a sustained period of time, which comprises:
topically applying a therapeutically effective dose of a gelled composition comprising a polymer matrix which is suspended in a liquid medium;
wherein the polymer matrix contains a negatively charged polymer blended with a nonionic polymer.- View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
- 21. A process for the use of a composition as a medical device, for drug delivery, the application of a diagnostic agent, or the prevention of post operative adhesions, said process comprises topically administering to a mammal an aqueous based gelled composition containing a polymer matrix composed of negatively charged polymers blended with nonionic polymers.
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29. An antiarthritic gelled composition, which comprises:
- therapeutically effective amounts of an active NSAID drug dispersed within a matrix containing a negative charged polymer having a mean average molecular weight between about 650,000 and 800,000 blended with a nonionic polymer, wherein the molar ratio of the charged polymer to the nonionic polymer is 1;
0.5 to 4 and the negative charged polymer is present in amounts of about 2.0% to about 3.0% by weight.
- therapeutically effective amounts of an active NSAID drug dispersed within a matrix containing a negative charged polymer having a mean average molecular weight between about 650,000 and 800,000 blended with a nonionic polymer, wherein the molar ratio of the charged polymer to the nonionic polymer is 1;
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37. A method for treating an arthritic condition, which comprises:
- topically administering to a mammal an aqueous based gelled composition containing therapeutically effective amounts of an NSAID drug dispersed within a polymer matrix composed of negatively charged polymers blended with nonionic polymers, wherein the molar ratio of the negatively charged polymer to nonionic polymer is 1;
0.5 to 4.
- topically administering to a mammal an aqueous based gelled composition containing therapeutically effective amounts of an NSAID drug dispersed within a polymer matrix composed of negatively charged polymers blended with nonionic polymers, wherein the molar ratio of the negatively charged polymer to nonionic polymer is 1;
Specification