Methods for treating oral cavity infections with chlorine dioxide
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61K-033/20
A61K-009/70
A61P-031/00
출원번호
US-0502913
(2009-07-14)
등록번호
US-8293283
(2012-10-23)
발명자
/ 주소
Speronello, Barry Keven
Castellana, Frank S.
출원인 / 주소
BASF SE
대리인 / 주소
Drinker Biddle & Reath LLP
인용정보
피인용 횟수 :
0인용 특허 :
73
초록
Methods, devices, compositions, and systems for the alleviation of oral tissue infections by administration of chlorine dioxide are provided.
대표청구항▼
1. A method for alleviating an infection of a tissue in an oral cavity, the method comprising administering a composition comprising a chlorine dioxide source and oxy-chlorine anions to the oral cavity, wherein the composition comprises choline dioxide, thereby alleviating the infection of the tissu
1. A method for alleviating an infection of a tissue in an oral cavity, the method comprising administering a composition comprising a chlorine dioxide source and oxy-chlorine anions to the oral cavity, wherein the composition comprises choline dioxide, thereby alleviating the infection of the tissue in the oral cavity, wherein the administering step comprises one or more of: i) contacting the tissue with a composition comprising the chlorine dioxide source and oxy-chlorine anions, wherein the composition comprises at least about 5 ppm chlorine dioxide and no more than about 0.25 milligrams oxy-chlorine anion per gram composition and is a substantially non-cytotoxic composition;ii) contacting the tissue with a device comprising the chlorine dioxide source and oxy-chlorine anions, wherein the device delivers a substantially oxy-chlorine anion free chlorine dioxide composition comprising no more than about 0.25 milligrams oxy-chlorine anion per gram composition to the tissue; oriii) contacting the tissue with a composition comprising the chlorine dioxide source and oxy-chlorine anions; anda barrier substance that substantially prohibits passage therethrough of the oxy-chlorine anions and permits passage therethrough of a substantially oxy-chlorine anion free chlorine dioxide composition comprising no more than about 0.25 milligrams oxy-chlorine anion per gram composition, thereby delivering the substantially oxy-chlorine anion free chlorine dioxide composition to the tissue. 2. The method of claim 1, wherein the composition administered to the tissue comprises about 20 to about 1000 ppm chlorine dioxide. 3. The method of claim 1, wherein the composition administered to the tissue comprises about 20 to about 400 ppm chlorine dioxide. 4. The method of claim 1, wherein the chlorine dioxide source comprises a particulate precursor of chlorine dioxide that generates the chlorine dioxide in the composition. 5. The method of claim 1, wherein the oral cavity tissue infection is selected from the group consisting of halitosis, gingivitis, periodontitis, caries development, and thrush. 6. The method of claim 1, wherein the composition administered to the tissue further comprises an antimicrobial agent. 7. The method of claim 6, wherein the antimicrobial agent is selected from the group consisting of: doxycycline, metronidazole, chlorhexidine, minocycline, tetracycline, nystatin, miconazole, and amphotericin. 8. The method of claim 1, further comprising administering a second composition comprising an antimicrobial agent to the oral cavity. 9. The method of claim 1, wherein the administering step comprises i) contacting the tissue with the composition comprising the chlorine dioxide source and oxy-chlorine anions, wherein the composition comprises at least about 5 ppm chlorine dioxide and no more than about 0.25 milligrams oxy-chlorine anion per gram composition and is a substantially non-cytotoxic composition. 10. The method of claim 9, wherein the composition comprises less than about 0.2 milligrams oxy-chlorine anion per gram composition. 11. The method of claim 9, wherein the composition has a pH from about 4.5 to about 11. 12. The method of claim 9, wherein the contacting step comprises a dental strip, a dental film or a dental tray. 13. The method of claim 1, wherein the administering step comprises ii) contacting the tissue with the device comprising the chlorine dioxide source and oxy-chlorine anions, wherein the device delivers the substantially oxy-chlorine anion free chlorine dioxide composition comprising no more than about 0.25 milligrams oxy-chlorine anion per gram composition to the tissue. 14. The method of claim 13, wherein the device comprises: an optional backing layer;a layer comprising the chlorine dioxide source; anda barrier layer interposed between the chlorine dioxide source layer and the tissue, wherein the barrier layer substantially prohibits passage therethrough of the oxy-chlorine anions and permits passage therethrough of the substantially oxy-chlorine anion free chlorine dioxide composition comprising no more than about 0.25 milligrams oxy-chlorine anion per gram composition. 15. The method of claim 14, wherein the barrier layer is a film selected from the group consisting of polyurethane, polypropylene, polytetrafluoroethylene, polyvinylidene difluoride, polyvinylidene dichloride, combination of polydimethylsiloxane and polytetrafluoroethylene, polystyrene, cellulose acetate, polysiloxane, and combinations thereof. 16. The method of claim 13, wherein the device comprises; a backing layer and a matrix affixed to the backing layer, wherein the matrix comprises:the chlorine dioxide source and oxy-chlorine anions; anda barrier substance that substantially prohibits passage therethrough of the oxy-chlorine anions and permits passage therethrough of the substantially oxy-chlorine anion free chlorine dioxide composition comprising no more than about 0.25 milligrams oxy-chlorine anion per gram composition. 17. The method of claim 16, wherein the barrier substance is selected from the group consisting of polyurethane, polypropylene, polytetrafluoroethylene, polyvinylidene difluoride, polyvinylidene dichloride, combination of polydimethylsiloxane and polytetrafluoroethylene, polystyrene, cellulose acetate, polysiloxane, polyethylene oxide, polyacrylates, mineral oil, paraffin wax, polyisobutylene, polybutene and combinations thereof. 18. The method of claim 1, wherein the administering step comprises iii) contacting the tissue with the composition comprising the chlorine dioxide source, oxy-chlorine anions, and the barrier substance. 19. The method of claim 18, wherein the barrier substance is selected from the group consisting of polyurethane, polypropylene, polytetrafluoroethylene, polyvinylidene difluoride, polyvinylidene dichloride, combination of polydimethylsiloxane and polytetrafluoroethylene, polystyrene, cellulose acetate, polysiloxane, polyethylene oxide, polyacrylates, mineral oil, paraffin wax, polyisobutylene, polybutene, and combinations thereof. 20. The method of claim 9, wherein the composition comprising the chlorine dioxide source and oxy-chlorine anions further comprises a thickener.
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