Evaluation of Adverse Effects Related to Prescribed Medications in a Periodontology Clinic

June 23, 2026 updated by: Sukran Acipinar, Cumhuriyet University

Evaluation of Adverse Effects Related to Prescribed Medications in a Periodontology Clinic in Terms of Causality, Severity, and Quality of Life: A Prospective Study

Various pharmacological treatment approaches, primarily antibiotics, analgesics, and antiseptic agents, are frequently used in the treatment of periodontal diseases. While these drugs are important for the clinical effectiveness of periodontal treatment, drug-related side effects can negatively impact patient compliance, quality of life, and overall patient safety, and in some cases, may lead to premature termination of treatment. Early identification of drug-related side effects, assessment of causality, and classification of severity form the basis of pharmacovigilance practices. In this context, the Adverse Event Reporting System (FAERS), run by the United States Food and Drug Administration (FDA), is an important data source for detecting drug-related side effects and presenting safety signals. Large databases like FAERS draw attention to potential drug-related side effects and provide valuable information on drug safety. However, this data is largely based on patient/user or physician feedback, and these systems are insufficient to assess the true frequency, clinical severity, and impact on patients' quality of life of side effects.

Side effects related to medications prescribed in periodontology clinics are often considered mild or transient, thus limiting systematic feedback based on real-life data. Therefore, systematic and patient-centered clinical studies using standard algorithms and scales based on real-life data are needed. This study aims to determine the frequency of side effects related to medications prescribed in a periodontology clinic over an 18-month period and to evaluate them according to gender and age. As a secondary aim, it aims to evaluate the causal relationship of these side effects with the medications, their clinical severity, and their impact on patients' quality of life related to oral health using a holistic approach.

This will ensure that not only the presence of side effects but also clinical and patient-centered outcomes are presented in an objective, standardized, and reproducible manner.

Study Overview

Status

Status

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

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.

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.
Observational

Enrollment (Estimated)

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.
571

Contacts and Locations

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

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

Yes

Sampling Method

Non-Probability Sample

Study Population

Patients who receive treatment at the Department of Periodontology, Faculty of Dentistry, Sivas Cumhuriyet University between March 30, 2026 and September 30, 2027, who meet the inclusion criteria, and who have been prescribed any pharmacological agent will be included.

Description

Inclusion Criteria:

Being 16 years of age or older

  • Receiving treatment at a periodontology clinic • Having been prescribed at least one pharmacological agent
  • Volunteering to participate in the study and providing informed consent

Exclusion Criteria:

  • Having a cognitive problem that would prevent the evaluation of side effects related to drug use

    • Patients who did not come for evaluation during the follow-up period or for whom sufficient follow-up data could not be obtained
    • Patients who provided incomplete, inconsistent or unreliable data regarding side effect evaluation

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

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
Naranjo algorithm results
Time Frame: 12 months

The results of this algorithm will be recorded according to the medications used.The Naranjo algorithm is a method that allows for the standard and repeatable evaluation of drug-side-effect relationships. For each identified potential drug side effect, the causal relationship between the drug and the side effect will be evaluated using the Naranjo adverse drug reaction probability algorithm. This algorithm consists of 10 questions that inquire about the probability of the side effect being drug-related, and based on the total score obtained, the side effects will be classified as follows:

  • ≥9 points: Certain
  • 5-8 points: Possible
  • 1-4 points: Probable
  • 0 points: Suspicious
12 months

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
Measure Description
Time Frame
Hartwig-Siegel Adverse Effect Severity Scale
Time Frame: 12 months

The Hartwig-Siegel side effect severity scale will be recorded according to the medications used and their side effects.Side effects will be assessed using the Hartwig-Segel side effect severity scale. This scale classifies side effects according to their need for clinical intervention and outcomes. Accordingly, side effects will be grouped as follows:

  • Mild (Level 1-2): Side effects that do not require treatment change or are controlled with minimal intervention
  • Moderate (Level 3-4): Side effects that require drug discontinuation, dose change, or additional treatment
  • Severe (Level 5-7): Side effects that require hospitalization, permanent damage, or are life-threatening.
12 months
Oral Health Impact Profile-14 (OHIP-14).
Time Frame: 12 months

The impact of drug side effects on quality of life will be recorded using OHIP-14. The impact of drug-related side effects on patients' quality of life will be evaluated using the oral health-related quality of life scale. For this purpose, the OHIP-14 scale, whose validity and reliability have been proven, will be applied. The scale consists of 14 items covering areas such as functional limitations, physical pain, psychological distress, and social disability. Each item will be scored using a Likert-type scale, and an increase in the total score indicates a negative impact on quality of life. The following questions will be answered considering the possible side effects of the drugs prescribed in the periodontology clinic. For scoring; All items are added together. The total score range is 0-56.

A higher score indicates that oral health has a greater negative impact on quality of life.
12 months

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.
Cumhuriyet 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.
March 30, 2026

Primary Completion (Estimated)

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.
July 30, 2027

Study Completion (Estimated)

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.
September 30, 2027

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).
June 18, 2026

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.
June 18, 2026

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.
June 24, 2026

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.
June 26, 2026

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.
June 23, 2026

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.
June 1, 2026

More Information

Terms related to this study

Keywords

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.
  • Ali Kemal YILMAZ

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

IPD Plan Description

The data can be shared once the study is published.

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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