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Details for Patent: 8,841,286

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Details for Patent: 8,841,286

Title:Inhalable aztreonam lysinate formulation for treatment and prevention of pulmonary bacterial infections
Abstract: A method and a composition for treatment of pulmonary bacterial infections caused by gram-negative bacteria suitable for treatment of infection caused by Escherichia coli, Klebsiella pneumoniae, Klebsiella oxytoca, Pseudomonas aeruginosa, Haemophilus influenzae, Proteus mirabilis, Enterobacter species, Serratia marcescens as well as those caused by Burkholderia cepacia, Stenotrophomonas maltophilia, Alcaligenes xylosoxidans, and multidrug resistant Pseudomonas aeruginosa, using a concentrated formulation of aztreonam lysinate delivered as an aerosol or dry powder formulation.
Inventor(s): Montgomery; Alan Bruce (Medina, WA)
Assignee: Gilead Sciences, Inc. (Foster City, CA)
Filing Date:Sep 26, 2011
Application Number:13/245,705
Claims:1. A formulation package comprising: a) an aztreonam lysinate suitable for inhalation and in dry or lyophilized powder form prepared from .alpha.-aztreonam; and b) a diluent; wherein the aztreonam lysinate in dry or lyophilized powder form and the diluent are stored separately.

2. The formulation package of claim 1, wherein said diluent is a saline solution.

3. The formulation package of claim 2, wherein said diluent is a saline solution containing from 0.09% w/v to 0.9% w/v of sodium chloride.

4. The formulation package of claim 3, wherein said saline solution is a 0.17 mg/mL NaCl solution.

5. The formulation package of claim 4, wherein said saline solution is present in a volume of from 1 to 5 mL.

6. The formulation package of claim 4, wherein said saline solution is present in a volume of 1 mL.

7. The formulation package of claim 1, wherein said aztreonam lysinate in dry or lyophilized powder form prepared from .alpha.-aztreonam comprises from about 1 to about 250 mg aztreonam lysinate.

8. The formulation package of claim 1, wherein said aztreonam lysinate in dry or lyophilized powder form prepared from .alpha.-aztreonam comprises from about 10 to about 150 mg aztreonam lysinate.

9. The formulation package of claim 1, wherein said aztreonam lysinate in dry or lyophilized powder form prepared from .alpha.-aztreonam comprises 75 mg aztreonam and 47 mg lysine.

10. A formulation package comprising: a) aztreonam lysinate suitable for inhalation and in dry or lyophilized powder form comprising 75 mg .alpha.-aztreonam and 47 mg lysine; and b) 1 mL of a 0.17 mg/mL NaCl solution; wherein the aztreonam lysinate in dry or lyophilized powder form and the NaCl solution are stored separately.
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