Comparative Evaluation of Chlorhexidine, Metronidazole and Combination Gels on Gingivitis

May 4, 2017 updated by: Sheikh Bilal Badar, Aga Khan University

Comparative Evaluation of Chlorhexidine, Metronidazole and Combination Gels on Gingivitis: A Randomized Clinical Trial

Patient presenting to the dental clinic with gingivitis and fulfilling the inclusion criteria will be included in the study after taking informed consent. Participants will be divided into three groups. Each group will be instructed to apply metronidazole gel, chlorhexidine gel or combination of metronidazole and chlorhexidine gel on the marginal gingiva. Measurement for the gingival index will be taken at baseline, at 2 weeks and at 4 weeks interval

Study Overview

Status

Status

Indicates the current recruitment status or the expanded access status.
Unknown

Conditions

Conditions

The disease, disorder, syndrome, illness, or injury that is being studied. On ClinicalTrials.gov, conditions may also include other health-related issues, such as lifespan, quality of life, and health risks.

Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.

Detailed Description

Training of the examiner:

Participating investigators(Resident and supervisor) will be trained and calibrated on the development of the trial, case selection, measurement techniques, sample collection, data compilation sheets and their precise role in the study. In order to evaluate the intra-examiner reliability, five subjects not involved in the study will be evaluated twice by each investigator for the measurements at the interval of one week.

Methodology:

On the first visit after clinical examination, the specially designed baseline study proforma will be filled-in. The bleeding sites, probing depth and the gingival index score will be calculated.

Group A subjects will be instructed to apply a standard 0.2 % Chlorhexidine gel (clinica gel) on the marginal gingiva for the next 14 days, twice a day for 30 minutes, after morning and evening tooth brushing.

Group B subjects will be instructed to apply 0.8 % Metronidazole gel (anaerobic gel) twice daily for 30 minutes after morning and evening tooth brushing for two weeks.

Group C subjects will be instructed to apply 0.2 % Chlorhexidine gel (clinica gel) on the marginal gingiva after morning tooth brushing for 30 minutes and 0.8 % metronidazole gel (anaerobic gel) after evening tooth brushing for 30 minutes for two weeks. Subjects in these groups will receive the detailed and precise instruction and demonstrations on the diurnal alternate application of the two gels.

The application of the topical gels will be halted after 2 weeks and second clinical examination will be carried out for bleeding sites, probing depth and the gingival index score. Scaling & polishing of teeth in all three groups and oral hygiene instructions will be reinforced. Subjects will be recalled at 4 week for evaluation of gingival and oral hygiene indices. The reading will be recorded in the study proforma.

Randomization, blinding and treatment allocation:

Subjects will be assigned to one of the three study groups using a computer generated randomization list. The recruitment of the patients will be performed by one investigator. All the measurements at the baseline and follow ups will be performed by the second investigator. Patient, the operator (until the gel will be handed over by the dental assistant), the investigator who is taking the measurement and the statistician will be blinded about the intervention groups. This will be ensured by giving codes to the intervention groups only known to the principal investigator who is not involved in the measurement and interaction with the patient.

Study Type

Study Type

Describes the nature of a clinical study. Study types include interventional studies (also called clinical trials), observational studies (including patient registries), and expanded access.
Interventional

Enrollment (Anticipated)

Enrollment

The number of participants in a clinical study. The "anticipated" enrollment is the target number of participants that the researchers need for the study.
90

Phase

Phase

The stage of a clinical trial studying a drug or biological product, based on definitions developed by the U.S. Food and Drug Administration (FDA). The phase is based on the study's objective, the number of participants, and other characteristics. There are five phases: Early Phase 1 (formerly listed as Phase 0), Phase 1, Phase 2, Phase 3, and Phase 4. Not Applicable is used to describe trials without FDA-defined phases, including trials of devices or behavioral interventions.
  • Phase 3

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact

The name and contact information for the person who can answer enrollment questions for a clinical study. Each location where the study is being conducted may also have a specific contact, who may be better able to answer those questions.

Study Contact Backup

Study Locations

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Eligibility Criteria

The key requirements that people who want to participate in a clinical study must meet or the characteristics they must have. Eligibility criteria consist of both inclusion criteria (which are required for a person to participate in the study) and exclusion criteria (which prevent a person from participating). Types of eligibility criteria include whether a study accepts healthy volunteers, has age or age group requirements, or is limited by sex.

Ages Eligible for Study

  • Child
  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

  • Patients having 20 or more healthy teeth
  • Systematically healthy patient with no co-morbid
  • Subjects with clinically confirmed gingivitis having positive bleeding gums on probing in every sextant
  • Subjects having teeth without any clinical attachment loss

Exclusion criteria:

  • Subjects with clinical attachment loss of greater than 2 mm on two sites
  • Pregnant or lactating females
  • Subjects with removal or fixed dental prosthesis
  • History of surgical or nonsurgical periodontal therapy in the last 6 months
  • Use of antibiotic in the last 30 days
  • Habit of smoking or use of smokeless tobacco
  • Allergic to Metronidazole or Chlorhexidine
  • Presence of any craniofacial syndrome patients
  • Patients on medications that have effects on gingival conditions (such as Nifedipine, Cyclosporine and Phenytoin etc.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Factorial Assignment
  • Masking: Quadruple

Arms and Interventions

Participant Group / Arm

Participant Group / Arm

A group or subgroup of participants in a clinical trial that receives a specific intervention/treatment, or no intervention, according to the trial's protocol.
Intervention / Treatment

Intervention / Treatment

A process or action that is the focus of a clinical study. Interventions include drugs, medical devices, procedures, vaccines, and other products that are either investigational or already available. Interventions can also include noninvasive approaches, such as education or modifying diet and exercise.
Active Comparator: Group A
subjects will be instructed to apply a standard 0.2 % Chlorhexidine gel (clinica gel) on the marginal gingiva for the next 14 days, twice a day for 30 minutes, after morning and evening tooth brushing
Drug: Chlorhexidine Gluconate
0.2% Chlorhexidene gluconate gel
Other Names:
  • Clinica gel
Active Comparator: Group B
Subjects will be instructed to apply 0.8 % Metronidazole gel (anaerobic gel) twice daily for 30 minutes after morning and evening tooth brushing for two weeks
Drug: Metronidazole gel
1% Metronidazole gel
Other Names:
  • Revomet gel
Active Comparator: Group C
subjects will be instructed to apply 0.2 % Chlorhexidine gel (clinica gel) on the marginal gingiva after morning tooth brushing for 30 minutes and 0.8 % metronidazole gel (anaerobic gel) after evening tooth brushing for 30 minutes for two weeks. Subjects in these groups will receive the detailed and precise instruction and demonstrations on the diurnal alternate application of the two gels
Drug: Chlorhexidine Gluconate
0.2% Chlorhexidene gluconate gel
Other Names:
  • Clinica gel
Drug: Metronidazole gel
1% Metronidazole gel
Other Names:
  • Revomet gel

What is the study measuring?

Primary Outcome Measures

Primary Outcome Measures

In a clinical study's protocol, the planned outcome measure that is the most important for evaluating the effect of an intervention/treatment. Most clinical studies have one primary outcome measure, but some have more than one.
Outcome Measure
Measure Description
Time Frame
Change in Gingival Index
Time Frame: Two weeks and four weeks
On each appointment, gingival index values will be evaluated and change in the gingival index will be noted.
Two weeks and four weeks

Secondary Outcome Measures

Secondary Outcome Measures

In a clinical study's protocol, a planned outcome measure that is not as important as the primary outcome measure for evaluating the effect of an intervention but is still of interest. Most clinical studies have more than one secondary outcome measure.
Outcome Measure
Time Frame
Change in Oral Hygiene Index
Time Frame: Two weeks and four weeks
Two weeks and four weeks
Change in Bleeding index
Time Frame: Two weeks and four weeks
Two weeks and four weeks
Change in Probing depth
Time Frame: Two weeks and four weeks
Two weeks and four weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Sponsor

The organization or person who initiates the study and who has authority and control over the study.
Aga Khan University

Investigators

Investigators

A researcher involved in a clinical study. Related terms include site principal investigator, site sub-investigator, study chair, study director, and study principal investigator.
  • Principal Investigator: Robia Ghafoor, BDS, FCPS, Aga Khan University

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

Study Start

The actual date on which the first participant was enrolled in a clinical study. The "anticipated" study start date is the date that the researchers think will be the study start date.
February 3, 2017

Primary Completion (Anticipated)

Primary Completion

The date on which the last participant in a clinical study was examined or received an intervention to collect final data for the primary outcome measure. Whether the clinical study ended according to the protocol or was terminated does not affect this date. For clinical studies with more than one primary outcome measure with different completion dates, this term refers to the date on which data collection is completed for all the primary outcome measures. The "anticipated" primary completion date is the date that the researchers think will be the primary completion date for the study.
January 2, 2018

Study Completion (Anticipated)

Study Completion

The date on which the last participant in a clinical study was examined or received an intervention/treatment to collect final data for the primary outcome measures, secondary outcome measures, and adverse events (that is, the last participant's last visit). The "anticipated" study completion date is the date that the researchers think will be the study completion date.
February 2, 2018

Study Registration Dates

First Submitted

First Submitted

The date on which the study sponsor or investigator first submitted a study record to ClinicalTrials.gov. There is typically a delay of a few days between the first submitted date and the record's availability on ClinicalTrials.gov (the first posted date).
April 28, 2017

First Submitted That Met QC Criteria

First Submitted That Met QC Criteria

The date on which the study sponsor or investigator first submits a study record that is consistent with National Library of Medicine (NLM) quality control (QC) review criteria. The sponsor or investigator may need to revise and submit a study record one or more times before NLM's QC review criteria are met. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 4, 2017

First Posted (Actual)

First Posted

The date on which the study record was first available on ClinicalTrials.gov after National Library of Medicine (NLM) quality control (QC) review has concluded. There is typically a delay of a few days between the date the study sponsor or investigator submitted the study record and the first posted date.
May 5, 2017

Study Record Updates

Last Update Posted (Actual)

Last Update Posted

The most recent date on which changes to a study record were made available on ClinicalTrials.gov. There may be a delay between when the changes were submitted to ClinicalTrials.gov by the study's sponsor or investigator (the last update submitted date) and the last update posted date.
May 5, 2017

Last Update Submitted That Met QC Criteria

Last Update Submitted That Met QC Criteria

The most recent date on which the study sponsor or investigator submitted changes to a study record that are consistent with National Library of Medicine (NLM) quality control (QC) review criteria. It is the responsibility of the sponsor or investigator to ensure that the study record is consistent with the NLM QC review criteria.
May 4, 2017

Last Verified

Last Verified

The most recent date on which the study sponsor or investigator confirmed the information about a clinical study on ClinicalTrials.gov as accurate and current. If a study with a recruitment status of recruiting; not yet recruiting; or active, not recruiting has not been confirmed within the past 2 years, the study's recruitment status is shown as unknown.
May 1, 2017

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

Other Study ID Numbers

Identifiers or ID numbers other than the NCT number that are assigned to a clinical study by the study's sponsor, funders, or others. These numbers may include unique identifiers from other trial registries and National Institutes of Health grant numbers.
  • 4577-Sur-ERC-16

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

No

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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