Claims for Patent: 4,906,670

Summary for Patent: 4,906,670

Title:	Pharmaceutical composition for the treatment of periodontal disease
Abstract:	A pharmaceutical composition useful for treatment of periodontal diseases which comprises one or more active ingredients effective for the treatment of periodontal diseases, characterized in that said active ingredient or ingredients are dispersed in collagen.
Inventor(s):	Higashi; Kiyotsugu (Gojo, JP), Kametaka; Shigeru (Kashiwara, JP), Izumi; Reiko (Osaka, JP), Morisaki; Katsuhiko (Nara, JP), Hayashi; Shin\'ichi (Fujiidera, JP)
Assignee:	Rohto Pharmaceutical Co., Ltd. (Osaka, JP)
Application Number:	07/317,077
Patent Claims:	1. In the art of applying active ingredients useful for the treatment of periodontal disease dispersed in collagen in order to protect against increased collagenase activity which always accompanies progression of periodontal disease, directly to the periodontal pocket, the improvement consisting of the step of placing in said periodontal pocket an extruded bar, film or ointment of periodontal agent dispersed in glutaraldehyde cross-linked succinylated atelocollagen gel in a 1 to 9 ratio with hydroxypropylcellulose. 2. The method of claim 1 wherein the active ingredient is selected from the group consisting of those active ingredients useful for the treatment of gingivitis, paradentitis, juvenile paradentitis and acute necrotizing ulcerative gingivitis. 3. The method of claim 1 wherein said active ingredient is selected from the group consisting of a germicide, an antimicrobial agent, an anit-inflammatory agent, a plaque solubilizing agent, a collagenase inhibitor, a local anesthetic, an antihistaminic agent and a hemostatic agent. 4. The method of claim 3 wherein the germicide is selected from the group consisting of chlorhexidine, silver protein, glycerol iodide, phenol, benzalkonium chloride and cetylpyridinium chloride. 5. The method of claim 3 wherein the antimicrobial agent is selected from the group consisting of ampicillin, tetracycline, benzylpenicillin, clindamycin, cefalexin, erthomycin, chloramphenicol and fragiomycin sulfate. 6. The method of claim 3 wherein the anti-inflammatory agent is selected from the group consisting of ibuprofen, indomethacin, ketoprofen, mefenamic acid, antipyrine, pranoprofen, ibufenac, tiaramide hydrochloride, prednisolone, dexamethasone, triamicinolone acetonide and prostaglandin. 7. The method of claim 3 wherein the plaque solubilizing agent is selected from the group consisting of dextranase, protease and amylase. 8. The method of claim 3 wherein the collagenase inhibitor is extracted from gambircatechu. 9. The method of claim 3 wherein the local anesthetic is selected from the group consisting of tetracaine hydrochloride and ethyl aminobenzoate. 10. The method of claim 3 wherein the antihistaminic agent is selected form the group consisting of chlorphenyramine maleate and dipenhydramine. 11. The method of claim 3 wherein the hemostatic agent is tranexamic acid.

Details for Patent 4,906,670

Applicant	Tradename	Biologic Ingredient	Dosage Form	BLA	Approval Date	Patent No.	Expiredate
Smith & Nephew, Inc.	SANTYL	collagenase	Ointment	101995	06/04/1965		2007-03-06