Transferrin receptor specific antibody-neuropharmaceutical or di

Drug – bio-affecting and body treating compositions – Immunoglobulin – antiserum – antibody – or antibody fragment,... – Structurally-modified antibody – immunoglobulin – or fragment...

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5303873, 53038822, 4241431, 435 721, 435 696, 435 697, 435328, 435334, A61K 39395, C12N 520, C07K 1628

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active

060155558

ABSTRACT:
The present invention pertains to a method for delivering a neuropharmaceutical or diagnostic agent across the blood brain barrier to the brain of a host. The method comprises administering to the host a therapeutically effective amount of an antibody-neuropharmaceutical or diagnostic agent conjugate wherein the antibody is reactive with a transferrin receptor and the antibody is a chimera between the variable region from one animal source and the constant region from a different animal source. Other aspects of this invention include a delivery system comprising an antibody reactive with a transferrin receptor linked to a neuropharmaceutical or diagnostic agent and methods for treating hosts afflicted with a disease associated with a neurological disorder.

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