Capsules containing high doses of levodopa for pulmonary use
First Claim
1. A capsule for use in an inhalation device, wherein the capsule is filled with a dry powder comprising levodopa;
- wherein the capsule'"'"'s shell comprises hydroxypropyl methylcellulose and titanium dioxide, and wherein the dry powder comprises a fine particle fraction of at least 50% of the nominal powder dose.
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Accused Products
Abstract
The present invention provides a capsule containing an inhalable powder composition wherein the composition comprises about 75% by weight or more levodopa, dipalmitoylphosphatidylcholine (DPPC) and a salt characterized by a working density of less than about 100 g/L. The invention further provides a capsule containing an inhalable powder composition wherein the composition comprises about 75% by weight or more levodopa, dipalmitoylphosphatidylcholine (DPPC) and a salt characterized by a working density of less than about 100 g/L wherein the capsule material comprises hydroxypropylmethylcellulose (HPMC) and titanium dioxide.
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Citations
15 Claims
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1. A capsule for use in an inhalation device, wherein the capsule is filled with a dry powder comprising levodopa;
- wherein the capsule'"'"'s shell comprises hydroxypropyl methylcellulose and titanium dioxide, and wherein the dry powder comprises a fine particle fraction of at least 50% of the nominal powder dose.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
Specification