Tiny metals in blood may link diabetes and gum troubles
NCT ID NCT07327086
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study measured levels of three metals—chromium, nickel, and magnesium—in the blood of 74 adults. Some had type 2 diabetes and gum disease, some had only one condition, and some were healthy. The goal was to see if these metals are connected to gum health in people with diabetes. No treatment was given; it was purely an observational study.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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74 people
The number who actually took part.
- Started
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Jul 2025
- Finished
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Oct 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
The study population consists of adult individuals aged 18 years and older who were systemically evaluated at the Department of Endocrinology and Metabolism and subsequently referred for periodontal examination. Participants include systemically and periodontally healthy individuals as well as patients diagnosed with chronic periodontitis, with or without type 2 diabetes mellitus. Eligible participants were allocated into study groups based on periodontal status and glycemic control.
- Ages
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Adults aged ≥18 years * Having at least 20 natural teeth, excluding third molars * Diagnosed with type 2 diabetes mellitus or systemically healthy, according to group allocation * Willingness to participate in the study and provision of written informed consent Exclusion Criteria: * Presence of systemic diseases other than type 2 diabetes mellitus (e.g., renal or hepatic failure, cardiovascular disease, organ transplantation, or current or previous cancer treatment) * Use of antibiotics, non-steroidal anti-inflammatory drugs, corticosteroids, immunosuppressive drugs, calcium channel blockers, beta blockers, oral contraceptives, or anticoagulants within the last 3 months * History of non-surgical periodontal treatment within the last 6 months or periodontal surgery within the last 12 months * Pregnancy or lactation * Body mass index (BMI) ≥ 30 kg/m² * Current smoking or alcohol consumption * Use of vitamin, mineral, or antioxidant supplements within the last 3 months
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Kahramanmaraş Sütçü İmam University
Kahramanmaraş, Turkey (Türkiye)
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Other studies related to the condition(s) this trial covers.
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