Gum disease showdown: which antibiotic gel works best for diabetics?
NCT ID NCT06027151
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested two antibiotic gels (metronidazole and minocycline) in 380 adults with both diabetes and gum disease. Participants received deep cleaning alone or with one or both gels. Researchers checked gum pocket depth and gum color/texture at 7 and 15 days to see which treatment improved gum health most.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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380 people
The number who actually took part.
- Started
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Oct 2022
- Finished
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Jul 2023
- 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.
- Ages
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Children (under 18), adults (18 to 64) and older adults (65 and over)
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Previously diagnosed diabetic patients on either hypoglycemics or insulin therapy suffering from periodontitis Exclusion Criteria: Pregnant or nursing mothers Patients with gestational diabetes Alcoholics Patients under any anti-inflammatory or antibiotic drugs (daily for ˃7 consecutive days) within the last two months of elimination before entering the study. Known allergy to minocycline, or metronidazole. Periodontal surgeries in the past Smoking
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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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Islamic International Medical Collège, IIMC
Rawalpindi, Punjab Province, 44000, Pakistan
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Other studies related to the condition(s) this trial covers.
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