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Generalized Aggressive PeriodontitisPhase 4NCT03933501

Amoxicillin and Metronidazole in Association With Non-surgical Therapy in Aggressive Periodontitis Treatment

A Phase 4 study testing amoxicillin and metronidazole in people with Generalized Aggressive Periodontitis, run by University of Campinas, Brazil.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This study is designed as a parallel, masked, randomized, placebo-controlled clinical trial to assess the clinical, microbiological, and immunological outcomes of scaling and root planning (SRP) or full-mouth ultrasonic debridement (FMUD) with AM (Amoxicillin + Metronidazole) for the treatment of Generalized… Read more about this study

Who is it for?
Any age
Conditions the study is for
Generalized Aggressive Periodontitis
What is being tested?
amoxicillin and metronidazole
Type of treatment
Pill or oral medicine
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
48 participants
Where
No sites listed yet
Study dates
1 Jan 2006to 1 Dec 2018
Phase
Phase 4
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Who may be able to join

  • diagnosis of GAgP;
  • presence of 20 teeth;
  • presence of teeth presenting PD>5 mm with bleeding on probing (BOP) and 2 teeth with PD>7mm (including incisors and first molars, in addition to two other non-contiguous teeth between them);
  • good general health;
  • <35 years of age.

Who cannot join

  • were pregnant or lactating;
  • were suffering from any other systemic diseases (e.g., cardiovascular, diabetes);
  • received antimicrobials in the previous 3 months;
  • were taking long-term anti-inflammatory drugs;
  • received a course of periodontal treatment within the last 6 months;
  • smoked

About this study

Official title: The Use of Amoxicillin and Metronidazole in Association With Non-surgical Therapy in Aggressive Periodontitis Treatment

This study is designed as a parallel, masked, randomized, placebo-controlled clinical trial to assess the clinical, microbiological, and immunological outcomes of scaling and root planning (SRP) or full-mouth ultrasonic debridement (FMUD) with AM (Amoxicillin + Metronidazole) for the treatment of Generalized Aggressive Periodontitis (GAgP).

Read the detailed description

Forty eight GAgP patients were divided into 4 groups: the SRP group (n = 12), which received SRP plus placebo, and the SRP+AM group (n = 12), which received SRP and 375mg amoxicillin plus 250 mg metronidazole for 7 days, the FMUD group (n = 12), which received FMUD plus placebo, and the FMUD+AM group (n = 12), which received FMUD and 375mg amoxicillin plus 250 mg metronidazole for 7 days. The following clinical outcomes were tested: plaque and bleeding on probing indices, pocket probing depth (PD), relative gingival margin position (GMP), and relative clinical attachment level (CAL). The total amount of Porphyromonas gingivalis (Pg), Aggregatibacter actinomycetemcomitans (Aa), Tannerella forsythia (Tf), and gingival crevicular fluid (GCF) concentration of interleukin (IL)-10 and IL-1b were also determined. All clinical, microbiological, and immunological parameters were assessed at baseline and at 3 and 6 months post-therapy. The ANOVA/Tukey test was used for statistical analysis (a = 5%).

Being tested
amoxicillin and metronidazole, Placebos
Keywords
Aggressive periodontitis, anti-infective agents, debridement, randomized clinical trial, ultrasonic
Medical subject headings
Aggressive Periodontitis

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • amoxicillin and metronidazoleDrug

    375 mg amoxicillin and 250 mg metronidazole prescribed on the day of treatment, every 8 hours for 7 days.

  • PlacebosDrug

    Two distinct placebo pills prescribed on the day of treatment and taken every 8 hours for 7 days.

Study groups in NCT03933501
Study groupRoleWhat they receive
FMUD + AMExperimentalOne session of full-mouth ultrasonic debridement (FMUD) with a time limit of 45 minutes plus 375 mg amoxicillin and 250 mg metronidazole (AM) prescribed on the day of treatment, every 8 hours for 7 days.
Receives: Drug: amoxicillin and metronidazole
FMUDPlacebo comparatorOne session of full-mouth ultrasonic debridement (FMUD) with a time limit of 45 minutes plus two distinct placebo pills prescribed on the day of treatment and taken every 8 hours for 7 days.
Receives: Drug: Placebos
SRP + AMExperimentalFour sessions (1/week) of scaling and root planning, plus 375 mg amoxicillin and 250 mg metronidazole (AM) prescribed on the last session of treatment and taken every 8 hours for 7 days.
Receives: Drug: amoxicillin and metronidazole
SRPPlacebo comparatorFour sessions (1/week) of scaling and root planning, plus two distinct placebo pills prescribed on the last session of treatment and taken every 8 hours for 7 days.
Receives: Drug: Placebos

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Change of the baseline relative clinical attachment level at 6 months

    distance from the bottom of the pocket to the stent margin.

    Measured: Baseline, 3 months and 6 months

Secondary outcomes (3)
  1. Change of the baseline probing depth at 6 months

    Distance from the bottom of pocket to gingival margin;

    Measured: Baseline, 3 months and 6 months

  2. Change of the baseline inflammatory markers levels in gingival crevicular fluid (pg/uL) at 6 months

    Concentration of IL-1β, IL-10 released in gingival crevicular fluid

    Measured: Baseline, 3 months and 6 months

  3. Change in the microbial composition at 6 months

    Concentration of bacteria in the subgingival biofilm

    Measured: Baseline, 3 months and 6 months

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted1 May 2019
  2. Study start1 Jan 2006
  3. Primary completion1 Dec 2008
  4. Study completion1 Dec 2018

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Treatment
Allocation
Randomised
Intervention model
Parallel groups
Masking
Triple blind
Who is masked
Participant, Investigator, Outcomes assessor
Enrolment
48 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03933501
Sponsor's protocol ID
06/0024
Status last verified
May 2019
First submitted
29 Apr 2019
Last updated
13 May 2019
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No

Publications

  • Taiete T, Monteiro MF, Casati MZ, do Vale HF, Ambosano GMB, Nociti FH, Sallum EA, Casarin RCV. Local IL-10 level as a predictive factor in generalized aggressive periodontitis treatment response. Scand J Immunol. 2019 Dec;90(6):e12816. doi: 10.1111/sji.12816. Epub 2019 Oct 3.

    PubMed 31448837

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing amoxicillin and metronidazole in people with Generalized Aggressive Periodontitis, run by University of Campinas, Brazil.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 5 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 13 May 2019. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Change of the baseline relative clinical attachment level at 6 months (time frame: Baseline, 3 months and 6 months). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03933501, which also lists 1 linked publication.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 13 May 2019.

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