Amoxicillin & Metronidazole During Periodontal Treatment

Status Active, not recruiting

Clinical Trial Summary

The aim of this multicenter randomized clinical trial is to compare the clinical, microbiological and immunological effects of the adjunctive use of systemic metronidazole plus amoxicillin administered in different phases of the treatment of generalized chronic periodontitis.

Clinical Trial Description

The combination of systemic metronidazole (MTZ) and amoxicillin (AMX) to scaling and root planing (SRP) has shown to be a promising periodontal treatment. However, some essential issues associated with the use of these antibiotics remain to be established. Although these agents are often prescribed after the healing phase of the SRP procedure, there is biological plausibility to support its use in conjunction with the mechanical treatment. However, to date, no placebo controlled randomized clinical trial (RCT) has directly compared these two protocols. Therefore, the aim of this multicentric RCT is to compare the clinical, microbiological and immunological effects of adjunctive systemic MTZ+AMX administered in different phases of the treatment of generalized chronic periodontitis (GChP). 180 subjects with GChP will be randomly assigned into three groups (n=60/group) that will receive SRP-only (control group) or in combination with 400 mg MTZ+500 mg AMX beginning at the first SRP session (group test 1) or after 3 months of its completion (group test 2). All volunteers will receive clinical and microbiological evaluation at baseline, 3, 6 and 12 months, and immunological assessment (levels of 20 chemokines) at baseline and 12 months post-therapy. Nine subgingival biofilm samples will be collected by subject and analyzed for counts and proportions of 40 bacterial species by checkerboard DNA-DNA hybridization. Differences in clinical, microbiological and immunological parameters among groups and over time will be evaluated using the ANOVA, ANCOVA, Chi-square and Tukey tests. Microbiological analyzes will be performed using adjustments for multiple comparisons. Statistical significance will be set at 5%. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02954393
Study type	Interventional
Source	University of Guarulhos
Contact
Status	Active, not recruiting
Phase	N/A
Start date	May 2015
Completion date	December 2020

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Amoxicillin and Metronidazole During Periodontal Treatment — MOMENT

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms