Polymeric device for controlled drug delivery to the CNS

Drug – bio-affecting and body treating compositions – Preparations characterized by special physical form – Implant or insert

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128898, 128899, 424422, 424423, 424486, 424487, 435182, A61F 200, A61K 900

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active

056018355

ABSTRACT:
Disclosed is a polymeric drug delivery system for delivery of any substance to the central nervous system. The delivery system is preferably implanted in the central nervous system for delivery of the drug directly to the central nervous system. These implantable devices can be used, for example, to achieve continuous delivery of dopamine, which cannot pass the blood brain barrier, directly into the brain for an extended time period. The implantable devices display controlled, "zero-order" release kinetics, a life time of a minimum of several weeks or months even when the devices contain water soluble, low molecular weight compounds, biocompatibility, and relative non-invasiveness. The polymeric devices are applicable in the treatment of a variety of central nervous system disorders including Parkinson's disease, Alzheimer's dementia, Huntington's disease, epilepsy, trauma, stroke, depression and other types of neurological and psychiatric illnesses.

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