Transdermal delivery system
First Claim
1. A dermal multi-layered intralesional drug delivery system consisting essentially of:
- a top layer;
a control membrane attached to the top layer, forming at least one internal chamber; and
a bottom layer releasably attached to the control membrane;
said at least one chamber containing interferon for intra-lesion, passive treatment of an individual with a carcinoma treatable with intralesional interferon,wherein the interferon does not pass into the bloodstream during delivery.
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Accused Products
Abstract
A drug delivery system useful in treating individuals having maladies requiring topical, subcutaneous and intra-lesional administration of one or more drugs for a prolonged period of time. A method for treating individuals with noduloulcerative carcinomas using the present invention drug delivery system and intra-lesional administration of interferon to the individual in a controlled, sustained release manner such that long-term therapeutic levels of interferon are provided to the individual. A method of treating an individual having certain skin infections using the present invention drug delivery system including topical and/or subcutaneous administration of one or more drugs to the individual in a controlled, sustained release manner such that long-term therapeutic levels of the drug(s) are provided to the individual.
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Citations
13 Claims
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1. A dermal multi-layered intralesional drug delivery system consisting essentially of:
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a top layer; a control membrane attached to the top layer, forming at least one internal chamber; and a bottom layer releasably attached to the control membrane; said at least one chamber containing interferon for intra-lesion, passive treatment of an individual with a carcinoma treatable with intralesional interferon, wherein the interferon does not pass into the bloodstream during delivery. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 13)
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10. A method for treating an individual having a nonduloucerative or basal cell carcinoma, comprising:
administering interferon intra-lesionally by attachment of at least one passive trandermal patch drug delivery system to an individual, said drug delivery system passively releasing an effective dosage of interferon without drug passage into the bloodstream for a predetermined period of time. - View Dependent Claims (11, 12)
Specification