Pharmaceutical aerosol formulation

Details Pharmaceutical aerosol formulation Pharmaceutical aerosol formulation

2006-08-15

2006-08-15

Levy, Neil S. (Department: 1615)

Drug, bio-affecting and body treating compositions

Effervescent or pressurized fluid containing

Organic pressurized fluid

C424S489000, C424S502000, C514S716000, C514S730000

Reexamination Certificate

active

07090831

ABSTRACT:
The present invention relates to novel pharmaceutical aerosol formulations comprising: (A) salmeterol xinafoate in the form of particles coated by spray-drying with at least one surfactant in the absence of any other coating excipient, in suspension in (B) a liquefied propellant gas which is 1,1,1,2,3,3,3-heptafluoro-n-propane or 1,1,1,2-tetrafluoroethane and mixtures thereof for administration particularly by the pulmonary route and to a process for preparing these formulations. It also relates to novel particles suitable for use in such formulations.

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