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 (HPMC) and titanium dioxide.
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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
- 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 (HPMC) and titanium dioxide.
Specification