Medicinal aerosol products containing formulations of ciclesonide and related steroids
First Claim
1. A pharmaceutical aerosol product comprising an aerosol vial equipped with a dispensing valve and containing an aerosol formulation suitable for oral or nasal inhalation comprising a therapeutically effective amount of a dissolved compound of the formula:
- ##STR4## in which;
R1 is 1-butyl, 2-butyl, cyclohexyl or phenyl andR2 is acetyl or isobutanoyl, and a propellant selected from the group consisting of 1,1,1,2-tetrafluoroethane, 1,1,1,2,3,3,3-heptafluoropropane and a mixture thereof, and cosolvent in an amount effective to solubilize the compound of formula (I) and optionally a surfactant.
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Accused Products
Abstract
A pharmaceutical aerosol formulation suitable for oral and/or nasal inhalation including an anti-inflammatory steroid of the formula ##STR1## in which: R1 is 1-butyl, 2-butyl, cyclohexyl or phenyl and
R2 is acetyl or isobutanoyl, in particular ciclesonide. The formulations also include hydrofluorocarbon propellants such as HFC 134a and/or 227, and cosolvent such as ethanol in an amount sufficient to solubilize the ciclesonide or related steroid (and various optional ingredients, such as surfactant). The formulations exhibit very desirable physical and chemical stability, as well as excellent delivery characteristics.
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Citations
8 Claims
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1. A pharmaceutical aerosol product comprising an aerosol vial equipped with a dispensing valve and containing an aerosol formulation suitable for oral or nasal inhalation comprising a therapeutically effective amount of a dissolved compound of the formula:
- ##STR4## in which;
R1 is 1-butyl, 2-butyl, cyclohexyl or phenyl andR2 is acetyl or isobutanoyl, and a propellant selected from the group consisting of 1,1,1,2-tetrafluoroethane, 1,1,1,2,3,3,3-heptafluoropropane and a mixture thereof, and cosolvent in an amount effective to solubilize the compound of formula (I) and optionally a surfactant. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
- ##STR4## in which;
Specification