Method of drug delivery to interstitial regions of the myocardium
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United States of America Patent
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app pub date -
Jan 27, 2003
filing date -
Mar 13, 1997
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Abstract
A method of treating the heart and other body tissues by injecting a compound comprised of microsphere encapsulated macromolecule therapeutic agents into the myocardium, such that the microsphere size inhibits capillary transport of the compound but may permit lymphatic transport of the compound, and the compound releases therapeutic agents upon degradation of the microsphere. The compounds may be used in a method of treating the coronary arteries in which lymphatic transportable therapeutic agents are injected into the myocardium at a location distal to a target site in the coronary artery, after which they are taken up by the lymphatic vessels and transported proximally relative to the coronary artery, and migrate from the lymphatic vessel to the coronary blood vessel.
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