US 2002/0176846 A1Published application

Storage stable powder compositions of interleukin-4 receptor

AssigneeNektar Therapeutics

InventorsJayne E. Hastedt, Kirsten M. Cabot, David K. Gong, Dennis M. Hester

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Abstract

The present invention provides storage stable dry powder compositions of IL-4R. The powder compositions demonstrate superior chemical and physical stability over their solution counterparts, particularly upon storage under varying conditions of temperature and humidity. Moreover, the powders, as prepared, possess good aerosol properties, which are maintained upon storage.

Claims43

Dependent claims

A spray dried powder composition comprising IL-4R.

Dependencies are inferred from the claim text.

Facts

Application: 10/032,238Filed 21 Dec 2001
Priority: 21 Dec 2000
Published: 28 Nov 2002
Term ends: Not estimatedThe source records don’t support an estimate.

Classification15 codes

A61K 9/0075
Sprays or powders for inhalation; Aerolised or nebulised preparations generated by other means than thermal energy: for inhalation via a dry…
A61K 9/1611
Excipients; Inactive ingredients: inorganic compounds
A61K 9/1617
Excipients; Inactive ingredients: organic compounds, e.g. phospholipids, fats
A61K 9/1688
Processes: resulting in pure drug agglomerate optionally containing up to 5% of excipient

Family

Application60/256,786Us provisional application · filed 21 Dec 2000
US 6,896,906 B2Related patent
US 2002/0176846 A1This patent

From the US filing history. Foreign family members aren’t listed.

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