Tiotropium dry powders
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United States of America Patent
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Aug 22, 2017
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N/A
app pub date -
Sep 30, 2015
filing date -
Apr 1, 2013
priority date (Note) -
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Abstract
The present invention relates to respirable dry powder comprising respirable dry particles that comprise sodium chloride, leucine, and tiotropium bromide, wherein the sodium chloride is about 60% to about 90%, the leucine is about 10% to about 40%, the tiotropium bromide is about 0.01% to about 0.5%, and optionally one or more additional therapeutic agents up to about 20%, wherein all percentages are weight percentages on a dry basis and all the components of the respirable dry particles amount to 100%. The invention also relates to respirable dry powders that contain respirable dry particles that comprise sodium chloride, leucine, and tiotropium bromide, wherein the sodium chloride is 67% to 84%, the leucine is 12% to 28%, the tiotropium bromide is about 0.01% to about 0.5%, and optionally one or more additional therapeutic agents up to about 20%, wherein all percentages are weight percentages on a dry basis and all the components of the respirable dry particles amount to 100%. The invention also relates to respirable dry powders that contain respirable dry particles that comprise about 79.5% to about 80.5% (w/w) sodium chloride, about 19.5% to about 20.5% (w/w) leucine, and about 0.01% to about 0.5% (w/w) tiotropium bromide, and methods for treating a subject using the respirable dry powders.
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