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Claims for Patent: 5,340,821

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Claims for Patent: 5,340,821

Title: Composition and method for treating Sjoegren syndrome disease
Abstract:A composition for treating a Sjoegren syndrome disease is disclosed. The composition comprising derivative of spirooxathiolane-quinuclidine of the following formula (I), ##STR1## wherein Z is .dbd.CR.sup.1 R.sup.2, wherein R.sup.1 and R.sup.2 may be the same or different and each represents hydrogen, alkyl, cyclopentyl, cyclohexyl, aryl, diarylmethylol, or alkyl which may be substituted by one or more aryl groups, or an acid addition salt thereof, or an acid addition salt thereof, as an effective component. Especially effective is an administration of a hydrochloric acid addition salt of 2-methylspiro(1,3-oxathiolane-5,3')quinuclidine.
Inventor(s): Abe; Nobuaki (Tokyo, JP), Takeshita; Yasuyoshi (Utsunomiya, JP)
Assignee: Snow Brand Milk Products Co., Ltd. (JP)
Application Number:08/088,304
Patent Claims: 1. A method for treating the symptoms of Sjoegren syndrome disease comprising administering to a patient afflicted with the disease an amount of a spirooxathiolane-quinuclide compound having the following formula (I), ##STR4## wherein Z is .dbd.CR.sup.1 R.sup.2, wherein R.sup.1 and R.sup.2 may be the same or different and each represents hydrogen, alkyl, cyclopentyl, cyclohexyl, aryl, diarylmethylol, or alkyl which may be substituted by one or more aryl groups, or an acid addition salt thereof, sufficient to alleviate the symptoms of the disease.

2. The method of claim 1, wherein said spirooxathiolane-quinuclidine compound is a hydrochloric acid addition salt of 2-methylspiro(1,3-oxathiolane-5,3')quinuclidine having the following formula (II) ##STR5##

3. The method of claim 2, wherein said hydrochloric addition salt of 2-methylspiro(1,3-oxathiolane-5,3')quinuclidine is a cis isomer.

4. The method of claim 1 wherein said composition further comprises a pharmaceutically acceptable carrier.
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