ZIELGERICHTETE ABGABE VON BIOLOGISCHE-AKTIVE MEDIEN

ZIELGERICHTETE ABGABE VON BIOLOGISCHE-AKTIVE MEDIEN

The invention concerns a method for administering bioactive substances to patients at selected sites in the body and remotely promoting delivery of said media to selected organs or tissues in the body. The method comprises providing an administrable formulation comprising, dispersed in an aqueous ca...

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Hauptverfasser: SCHNEIDER, MICHEL, YAN, FENG, HIVER, AGNES
Format: Patent
Sprache:ger
Schlagworte:
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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creator SCHNEIDER, MICHEL
YAN, FENG
HIVER, AGNES
description The invention concerns a method for administering bioactive substances to patients at selected sites in the body and remotely promoting delivery of said media to selected organs or tissues in the body. The method comprises providing an administrable formulation comprising, dispersed in an aqueous carrier liquid, liposomes filled with bioactive substances and gas-filled microspheres, injecting said formulation into the circulation of a patient so that it is directed to a site of interest, and applying ultrasound pulses to said site so as to make the gas-filled microbodies explode and the gas confined therein to expand in the carrier liquid, the energy of expansion of said confined gas causing the liposome vesicles to open and release the trapped substances at said site. Also disclosed are formulations for delivery of biologically active substances to selected target sites in the organism, the formulations comprising an aqueous suspension of gas-filled microvesicles and liposomes filled with active susbstances such as drugs or diagnostic agents. The formulations are available in a kit form in which the kit comprises sterile precursor components.
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subjects HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
title ZIELGERICHTETE ABGABE VON BIOLOGISCHE-AKTIVE MEDIEN
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