Compositions and methods for reducing lung volume
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United States of America Patent
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Issued Date -
Mar 11, 2004
app pub date -
Jun 17, 2003
filing date -
Jun 17, 2002
priority date (Note) -
Abandoned
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Abstract
The invention includes methods for performing non-surgical lung volume reduction in a patient by (a) administering, through the patient's trachea, a composition comprising an enzyme (e.g., a protease, such as a serine protease (e.g., trypsin, chymotrypsin, elastase, or an MMP); and (b) collapsing a region of the lung, at least a portion of which was contacted by the composition administered in step (a). The patient can have COPD (e.g., emphysema) or their lung can be damaged by a traumatic event. The tissue in the targeted area can also include an abscess or fistula. One can similarly treat other tissues (i.e., non-lung tissues) by exposing those tissues to an enzyme-containing composition (or other composition described herein). These tissues may be those that are obscured from a therapeutic agent by epithelial cells or that will contact an implantable device.
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