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EP0352295A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Biodadhesion drug carriers for endothelial and epithelial uptake and lesional localization of therapeutic and diagnostic agents.

Assignee: Abeona Therapeutics Inc
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Filing: 1988-03-30
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Granted: —
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Expires: 2008-03-30
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Abstract

Abstract Translated from English Préparation et expérimentation in vivo de revêtements de surface et de matériaux matriciels qui, lorsqu'ils contiennent les supports de medicaments et d'agents de diagnostic ou qu'ils leurs sont appliqués et sont administrés de façon à permettre un accès vasculaire efficace, provoquent la reconnaisssance par le support de substances déterminantes présentes sur un endothélium normal ou affecté localement, et entraînent les effets in vivo suivants: 1) enveloppement rapide, partiel ou total du support de médicament (ou d'agent de diagnostic); 2) séquestration du support et protection rapide (2 minutes) de l'agent encapsulé de l'épuration vasculaire sanguine lorsque la poche endothéliale qui enveloppe le support est encore en train d'invaginer le compartiment vasculaire; 3) accélération du transport du support à travers l'endothelium vasculaire ou les structures sub-endothéliales vers l'interstice; et 4) amélioration de l'efficacité de migration du médicament (oude l'agent de diagnostic) à travers les barrières endothéliales ou sub-endothéliales, ce qui permet de réduire la dose totale de medicament requise pour obtenir l'effet désiré par rapport à la dose correspondante en agents habituels. Une absorption tissulaire analogue est obtenue pour la migration transepithéliale dans les poumons, la vessie et les intestins. Preparation and in vivo testing of surface coatings and matrix materials which, when containing or applied to carriers of drugs and diagnostic agents, are administered to provide effective vascular access, recognition by the support of determining substances present on a normal or locally affected endothelium, and bring about the following in vivo effects: 1) rapid, partial or total envelopment of the support for the drug (or diagnostic agent); 2) sequestration of the support and rapid protection (2 minutes) of the encapsulated agent of blood vascular purification when the endothelial pocket which envelops the support is still invaginating the vascular compartment; 3) acceleration of the transport of the support through the vascular endothelium or the subendothelial structures towards the interstice; and 4) improving the migration efficiency of the drug (or diagnostic agent) across endothelial or subendothelial barriers, thereby reducing the total dose of drug required to achieve the desired effect compared to the corresponding dose in usual agents. Analogous tissue absorption is obtained for transepithelial migration in the lungs, bladder and intestines.

Inventors

  • 👤 David F Ranney

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 23:36
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/48; A61K9/50; A61K9/51; A61K9/5107; A61K9/513; A61K9/5146; A61K47/00; A61K47/50; A61K47/51; A61K47/56; A61K47/61; A61K47/69; A61K9/14; A61K9/16; A61K9/1605; A61K9/1629; A61K9/1652; A61K9/167; A61K9/5005; A61K9/5021; A61K9/5036; A61K9/5115; A61K9/5161; A61K9/5169; Y; Y10; Y10S; Y10S436/00; Y10S436/829; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2984; Y10T428/2989

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