Amoxicillin & Metronidazole During or After the Periodontal Treatment

Status Active, not recruiting

Clinical Trial Summary

This randomized clinical trial aimed to compare the clinical and microbiological effects of different times of administration of metronidazole (MTZ) and amoxicillin (AMX) in the treatment of periodontitis.

Clinical Trial Description

Scaling and root planing (SRP) is the most used periodontal therapy for periodontal treatment. Despite leading, in most cases, to an improvement in periodontal clinical parameters, SRP is often insufficient to profoundly modify the pathogenic bacterial profile to a profile related to periodontal health, especially in cases of more advanced and generalized diseases. Thus, other therapies supporting SRP, such as systemic antibiotics, have been proposed with the aim of enhancing the clinical and microbiological effects of this form of therapy. Studies have shown excellent clinical and microbiological results using the association of systemic antibiotics, especially the association of metronidazole (MTZ) and amoxicillin (AMX) in the treatment of severe periodontitis. However, some essential issues associated with the use of these antibiotics remain to be established. Therefore, the aim of this randomized clinical trial was to compare the clinical and microbiological effects of different times of administration of metronidazole (MTZ) and amoxicillin (AMX) in the treatment of periodontitis. Seventy-two subjects with severe periodontitis were selected and randomized into two groups (n = 36 / group) - Test 1 (T1): SRP in 14 days, associated with the concomitant use of AMX (500mg, 3x / day) and MTZ (400mg 3x / day) for 14 days; and Test 2 (T2): SRP in 14 days, associated with the use of AMX and MTZ immediately after the end of the SRP in the following 14 days. All volunteers received clinical and microbiological evaluation at baseline, 3, 6 and 12 months post-SRP. Subgingival biofilm samples were collected by subject and analyzed for counts and proportions of 40 bacterial species by checkerboard DNA-DNA hybridization. Differences in clinical and microbiological parameters between groups and over time were evaluated using the ANOVA, ANCOVA, Chi-square and Tukey tests. Microbiological analyzes were performed using adjustments for multiple comparisons. Statistical significance was set at 5%. ;

Study Design

Related Conditions & MeSH terms

Periodontitis

Clinical Trial Details

NCT number	NCT06177119
Study type	Interventional
Source	University of Guarulhos
Contact
Status	Active, not recruiting
Phase	N/A
Start date	January 31, 2012
Completion date	December 31, 2024

View Details

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 or After the Periodontal Treatment

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms