Aerosolized fluoroquinolones and uses thereof
First Claim
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1. A pharmaceutical aerosol for nasal, sinunasal or pulmonary administration comprising a dispersed liquid phase and a continuous gas phase, wherein the dispersed liquid phase:
- (a) consists essentially of aqueous droplets comprising an active compound comprising a quinolone antibiotic, and at least one excipient comprising a multivalent metal ion;
(b) has a mass median diameter from about 1 to about 5 μ
m; and
(c) has a droplet size distribution exhibiting a geometrical standard deviation less than or equal to about 3.0 μ
m.
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Abstract
Disclosed herein are formulations of fluoroquinolones suitable for aerosolization and use of such formulations for aerosol administration of fluoroquinolone antimicrobials for the treatment of pulmonary bacterial infections. In particular, inhaled levofloxacin specifically formulated and delivered for bacterial infections of the lungs is described. Methods include inhalation protocols and manufacturing procedures for production and use of the compositions described.
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Citations
43 Claims
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1. A pharmaceutical aerosol for nasal, sinunasal or pulmonary administration comprising a dispersed liquid phase and a continuous gas phase, wherein the dispersed liquid phase:
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(a) consists essentially of aqueous droplets comprising an active compound comprising a quinolone antibiotic, and at least one excipient comprising a multivalent metal ion; (b) has a mass median diameter from about 1 to about 5 μ
m; and(c) has a droplet size distribution exhibiting a geometrical standard deviation less than or equal to about 3.0 μ
m. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 34, 35, 36, 37, 38, 39, 40, 41)
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18. A pharmaceutical composition for the preparation of an aerosol comprising an active compound comprising a quinolone antibiotic, and an excipient comprising a polymeric compound, wherein the polymeric compound is selected from the group consisting of derivatized cellulose, dextran, polymeric sugar, polyethylene glycols, pectin and cyclodextrins.
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19. A kit for the preparation and delivery of a pharmaceutical aerosol for nasal, sinunasal or pulmonary administration comprising a dispersed liquid phase and a continuous gas phase, wherein the dispersed liquid phase:
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(a) consists essentially of aqueous droplets comprising an active compound comprising a quinolone antibiotic, and at least one excipient comprising a multivalent metal ion; (b) has a mass median diameter from about 1 to about 5 μ
m; and(c) has a droplet size distribution exhibiting a geometrical standard deviation less than or equal to about 3.0 μ
m, wherein the kit comprises a nebulizer and an aqueous liquid composition, said composition comprising an effective dose of the active compound within a volume of not more than about 10 ml. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 42, 43)
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29. A method of preparing and delivering an aerosol to a person in need of nasal, sinunasal or pulmonary antibiotic treatment or prophylaxis, said method comprising the steps of:
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(a) providing a liquid pharmaceutical composition comprising an effective dose of an active compound comprising a quinolone antibiotic, and at least one excipient comprising a multivalent metal ion in a volume of not more than about 10 ml; (b) providing a nebulizer capable of aerosolizing said liquid pharmaceutical composition at a total output rate of at least 0.1 ml/min, the nebulizer further being adapted to emit an aerosol comprising a dispersed phase having a mass median diameter from about 1 to about 5 μ
m and a geometrical standard deviation less than or equal to about 3.0 μ
m; and(c) operating the nebulizer to aerosolize the liquid composition. - View Dependent Claims (30, 31, 32, 33)
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Specification