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|Abstract:||A method of treatment of a condition selected from the group comprising conjunctivitis, keratitis, `allergic eyes`, adenovirus infections, corneal homograft rejection, anterior uveitis, nasal polyps, vasomotor rhinitis, allergic manifestations of the nasopharynx, reversible obstructive airways disease, Crohn's disease, distal colitis and proctitis, which method comprises administration to a patient suffering from such a condition of a therapeutically effective amount of an aqueous solution containing, as active ingredient, 9-ethyl-6,9-dihydro-4,6-dioxo-10-propyl-4H-pyrano(3,2-g)quinoline-2,8-dica rboxylic acid or a pharmaceutically acceptable salt thereof. Also described are novel pharmaceutical compositions suitable for use in such methods of treatment.|
|Inventor(s):||Clark; Andrew R. (Loughborough, GB2), Wright; Paul (Bramcote, GB2), Ratcliffe; Julia H. (Gosport, GB2)|
|Assignee:||Fisons plc (Ipswich, GB2)|
|Filing Date:||Jun 25, 1993|
|Claims:||1. A method of treating a reversible obstructive airways disease comprising administering, by inhalation, to a patient suffering from, or susceptible to, such a condition the nebulized contents of an ampoule of carbon dioxide permeable plastics material filled with a unit dose of an aqueous pharmaceutical solution containing, as active ingredient, from 0.1 to 5% w/v of 9-ethyl-6,9-dihydro-4,6-dioxo-10-propyl-4H-pyrano(3,2-g)quinoline-2,8-dica rboxylic acid or a pharmaceutically acceptable salt thereof, the solution having a pH of 3.5 to 6.0. |
2. The method of treatment according to claim 1, wherein the concentration of the active ingredient in the solution is from 0.1 to 1.0% w/v.
3. The method of treatment according to claim 1, wherein the active ingredient is nedocromil sodium.