Shionogi Company Limited

Yasumasa Goh

Kenji Kawada

Kimio Takahashi

Morio Kishi

The present invention relates to a 15-deoxyprostaglandin derivative of the formula (I): ##STR1## in which ##STR2## is a 5 membered ring which is selected from a group consisting of ##STR3## R.sup.1 is hydrogen or lower alkyl; R.sup.2 is C.sub.6 -C.sub.12 alkyl, C.sub.6 -C.sub.12 alkenyl or C.sub.6 -C.sub.12 alkadienyl; provided that the compound of the following formula is excluded: ##STR4## wherein R' is hydrogen or methyl; or pharmaceutically acceptable salts thereof. The invention also relates to a pharmaceutical formulation comprising a 15-deoxyprostaglandin derivative as an active ingredient, which is useful as an intraocular pressure reducing agent.

Treatment for hypertension or glaucoma in eyes

The present invention relates to a method for treating hypertension or glaucoma in the eye comprising contacting the surface of the eye with a therapeutic amount of a 15-deoxyprostaglandin derivative of the formula (I): ##STR1## in which ##STR2## is a 5 membered ring which is selected from a group consisting of ##STR3## R.sup.1 is hydrogen or lower alkyl; R.sup.2 is C.sub.6 -C.sub.12 alkyl, C.sub.6 -C.sub.12 alkenyl or C.sub.6 -C.sub.12 alkadienyl or a pharmaceutically acceptable salt thereof. The invention also relates to a kit for delivery of a topical solution for treatment of glaucoma which comprises (a) container having a solution including a compound of the formula (I), and (b) means for topical delivery of said solution to the eye in a controlled dosage.

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Sanda, Japan

Yasumasa Goh