Compositions comprising muscarinic receptor antagonist and glucose anhydrous
AssigneeArven IIac Sanayi Ve Ticaret A.S.
InventorsUmit Cifter, Ali Turkyilmaz, Onur Mutlu
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Abstract
The invention relates to pharmaceutical powder compositions administered by means of inhalers. More particularly, it relates to pharmaceutical powder compositions having the content uniformity and the desired stability used in inhaler devices.
Claims52
A dry powder inhalation composition comprising,
- at least one muscarinic receptor antagonist or a pharmaceutically acceptable salt thereof,
- fine particle lactose in the ratio of 1-20% by weight of said composition and having (d50) particle size in the range of 4-10 μm and coarse particle glucose anhydrous in the ratio of 80-99% by weight of said composition and having (d50) particle size in the range of 50-120 μm.
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Dependencies are inferred from the claim text.