Patent ID: 7476689

Claim:
An analgesic pharmaceutical aqueous dosage form that comprises an effective amount of an active ingredient selected from the group consisting of racemic 5-benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid, of the formula optically active forms thereof and pharmaceutically acceptable salts thereof, said form being a solution containing 5-20% (weight/volume) of said active ingredient in combination with a pharmaceutically acceptable excipient or diluent, wherein the aqueous dosage form is adapted for treating pain by providing a systemic effect through intranasal administration by spraying into a nasal cavity and wherein the aqueous dosage form when administered to a human subject intranasally at 0.5-40 mg generates plasma levels of the active ingredient in the subject within the range of 0.3-5 mg/liter of plasma.