Abstract: A compound represented by general formula (I) (in the formula, all symbols are as described in the description) or a salt thereof has a potent nerve-protecting and/or -repairing activity, and therefore can be used as a therapeutic agent for neuropathy (e.g., chronic inflammatory demyelinating polyneuropathy, Guillain-Barre syndrome, periarteritis nodosa, allergic vasculitis, diabetic peripheral neuropathy, entrapment neuropathy, peripheral neuropathy associated with the administration of a chemotherapeutic drug, or peripheral neuropathy associated with Charcot-Marie-Tooth disease).

Abstract: A compound represented by general formula (I) (in the formula, all symbols are as described in the description) or a salt thereof has a potent nerve-protecting and/or -repairing activity, and therefore can be used as a therapeutic agent for neuropathy (e.g., chronic inflammatory demyelinating polyneuropathy, Guillain-Barre syndrome, periarteritis nodosa, allergic vasculitis, diabetic peripheral neuropathy, entrapment neuropathy, peripheral neuropathy associated with the administration of a chemotherapeutic drug, or peripheral neuropathy associated with Charcot-Marie-Tooth disease).

Abstract: A compound represented by general formula (I) (in the formula, all symbols are as described in the description) or a salt thereof has a potent nerve-protecting and/or -repairing activity, and therefore can be used as a therapeutic agent for neuropathy (e.g., chronic inflammatory demyelinating polyneuropathy, Guillain-Barre syndrome, periarteritis nodosa, allergic vasculitis, diabetic peripheral neuropathy, entrapment neuropathy, peripheral neuropathy associated with the administration of a chemotherapeutic drug, or peripheral neuropathy associated with Charcot-Marie-Tooth disease).

Abstract: Disclosed is an EP1 antagonist, particularly a compound represented by the formula (I): wherein all symbols are as defined in the description, a salt thereof, a solvate thereof or a prodrug thereof. The compound, a salt thereof, a solvate thereof or a prodrug thereof is effective for prevention, treatment and/or symptom improvement of a dysuria (e.g., slow stream, splitting or spraying of the urine stream, intermittent stream, hesitancy, straining to void or terminal dribble).

Abstract: The development of agents for gastroesophageal reflux disease, in which existing treatment is not effective, is strongly demanded. An object of the present invention is to provide an agent for preventing or relapse-preventing, treating or ameliorating such gastroesophageal reflux disease. 4-[({6-[Isobutyl(1,3-thiazol-2-ylsulfonyl)amino]-2,3-dihydro-1H-inden-5-yl}oxy)methyl]-3-methyl benzoic acid, a salt thereof or a prodrug thereof is effective in the prevention or relapse prevention, treatment or amelioration of gastroesophageal reflux disease.

Abstract: Disclosed is an EP1 antagonist, particularly a compound represented by the formula (I): wherein all symbols are as defined in the description, a salt thereof, a solvate thereof or a prodrug thereof. The compound, a salt thereof, a solvate thereof or a prodrug thereof is effective for prevention, treatment and/or symptom improvement of a dysuria (e.g., slow stream, splitting or spraying of the urine stream, intermittent stream, hesitancy, straining to void or terminal dribble).

Abstract: A preventive and/or a remedy for urinary tract diseases with symptoms such as urgency of urination, bladder pain, frequent urination or urine incontinence which comprises a combination of compound having antagonism to EP1 with another compound having antagonism to EP3 each selected from among prostaglandin E2 receptors. The combination of an EP1 antagonist with an EP3 antagonist is useful in preventing and/or treating urinary tract diseases with symptoms such as urgency of urination, bladder pain, frequent urination or urine incontinence, because of showing effect of improving urine retaining ability, improving bladder compliance, relieving hypertonic detrusor muscle and normalizing bladder perception.