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`PubMed
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`J Int Acad Periodontol. 2000 Jan;2(1):3-8.
`Effects on the clinical indices and gingival crevicular fluid enzyme activities of the
`cyclical regimen of low-dose doxycycline therapy for adult periodontitis.
`Alptekin NO, Kurtoglu F, Serpek B, Duran I, Gözlü M.
`Department of Periodontology, Faculty of Dentistry, Selçuk University, Konya, Turkey. alptekin@karatay1cc.selcuk.edu.tr
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`Abstract
`The purpose of this study was to determine the effect of cyclic regimen of low dose doxycycline (20 mg) or
`placebo therapy following scaling and root planing on clinical parameters and crevicular fluid alkaline
`phosphatase, aspartate aminotransferase, alanine aminotransferase and elastase activities. Fifteen adults (13
`males, 2 females) with moderate to advanced adult periodontitis were recruited for the study. The LDD-treated
`group (n = 8 subjects) self administered low dose doxycycline b.i.d. (20 mg, p.o.) from time (treatment) to 2
`months and then no drug from 2 to 4 months and finally low-dose doxycycline b.i.d. from 4 to 6 months (i.e.
`"cyclical" regimen). The placebo-treated group (n = 7 subjects) was asked to take placebo capsules (containing
`inactive filler; i.e. starchflour) b.i.d. according to the same "cyclical" regimen. No differences were found between
`LDD- and placebo-treated groups regarding any of the clinical parameters and gingival crevicular fluid enzyme
`activities. The relative attachment gain was significantly improved in both groups. The "cyclical" regimen of low-
`dose doxycycline was not found to reduce alkaline phosphatase, aspartate aminotransferase, alanine
`aminotransferase and elastase activities in gingival crevicular fluid of the adult periodontitis patients over a 6-
`month time period.
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`PMID: 12666979 [PubMed - indexed for MEDLINE]
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`6/5/2013
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