Not Yet RecruitingNot Applicable

Markers of Bone Destruction and Oxidative Stress in Peri-implantitis

80 participantsStarted 2026-02-15

Plain-language summary

The aim of this study is to evaluate and compare the levels of bone resorption (RANKL, OPG) and oxidative stress (Nitrotyrosine, NQO1) markers, along with pro-inflammatory cytokines (IL-1β), in the saliva and peri-implant sulcular fluid (PISF) of patients with peri-implantitis, periodontitis, and healthy individuals. The study seeks to determine the diagnostic value of these biomarkers in the early detection and progression of peri-implant diseases.

Who can participate

Age range

18 Years – 65 Years

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: Systemically healthy volunteers aged 18-65. For Peri-implantitis group: Implants in function for ≥1 year, radiographic bone loss ≥ 2 mm, probing depth (PD) ≥ 5 mm, and presence of bleeding on probing (BOP) or suppuration. For Periodontitis group: At least one tooth with PD ≥ 4 mm, presence of BOP, and radiographic bone loss.For Healthy groups: PD ≤ 3 mm, no clinical inflammation (BOP-), and no radiographic bone loss. (According to the 2017 World Workshop on the Classification of Periodontal and Peri-Implant Diseases) - Exclusion Criteria:Presence of systemic diseases (e.g., diabetes, rheumatoid arthritis, osteoporosis). Use of antibiotics, anti-inflammatory, or immunosuppressive drugs within the last 3 months. Pregnancy or breastfeeding. Smoking (current smokers). History of periodontal or peri-implant surgical treatment within the last 6 months. Implant failure (mobility). Signs of acute infection (fever, systemic symptoms). \-

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

Salivary and Peri-implant Sulcular Fluid (PISF) IL-1β Levels.

Timeframe: At the baseline clinical examination (Day 0).

Trial details

NCT IDNCT07397884

SponsorSaglik Bilimleri Universitesi

Sponsor typeOTHER

Study typeOBSERVATIONAL

Primary completion2026-08-15

Contact for this trial

Nurullah Yurdakul, Dr.

+905340757662 nurullah.yurdakul@sbu.edu.tr

View on ClinicalTrials.gov More Periodontal Diseases trials