Aerosol fluoroquinolone formulations for improved pharmacokinetics
First Claim
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1. A pharmaceutical composition, comprising an aqueous solution consisting essentially of from about 75 mg/ml to about 150 mg/ml levofloxacin or ofloxacin and from about 160 mM to about 240 mM of a divalent or trivalent cation, wherein the solution has a pH from about 5 to about 7 and an osmolality from about 300 mOsmol/kg to about 500 mOsmol/kg.
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Abstract
The present invention relates to the field of antimicrobial agents. In particular, the present invention relates to the use of aerosolized fluoroquinolones formulated with divalent or trivalent cations and having improved pulmonary availability for the treatment and management of bacterial infections of the lung and upper respiratory tract.
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17 Claims
- 1. A pharmaceutical composition, comprising an aqueous solution consisting essentially of from about 75 mg/ml to about 150 mg/ml levofloxacin or ofloxacin and from about 160 mM to about 240 mM of a divalent or trivalent cation, wherein the solution has a pH from about 5 to about 7 and an osmolality from about 300 mOsmol/kg to about 500 mOsmol/kg.
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9. A pharmaceutical composition comprising an aqueous solution consisting essentially of from about 80 mg/ml to about 120 mg/ml levofloxacin or ofloxacin and from about 175 mM to about 225 mM of a divalent or trivalent cation selected from the group consisting of magnesium, calcium, zinc, copper, aluminum, and iron;
- wherein the solution has a pH from about 5 to about 7 and an osmolality from about 300 mOsmol/kg to about 500 mOsmol/kg.
- View Dependent Claims (10, 11, 12, 13)
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14. A pharmaceutical composition comprising an aqueous solution consisting essentially of from about 90 mg/ml to about 110 mg/ml of levofloxacin and from about 190 mM to about 210 mM of magnesium chloride;
- wherein the solution has a pH from about 5 to about 7 and an osmolality from about 350 mOsmol/kg to about 400 mOsmol/kg.
- View Dependent Claims (15, 16, 17)
Specification