New antibiotic paste takes on standard filling for Kids' tooth infections
NCT ID NCT07475364
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether an antibiotic paste (LSTR) works as well as the standard filling (ZOE) for treating infected baby molars in children aged 4 to 10. 180 kids will be randomly assigned to one treatment and checked after 6 months for healing. The goal is to find a simpler, effective option to save the tooth and avoid extraction.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 1/2
Runs two stages together: safety and dose first, then whether the treatment works.
- Participants
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About 180 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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May 2026
An estimate. Start dates often move.
- Expected to finish
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May 2027
An estimate. End dates often move.
- 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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4 to 10 years
- 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: * • Children of both genders * 4 years and 10 years * Pulp necrosis in mandibular primary molars with minimum of 2/3 of the roots * Consent from Parents/Guardian of children. * Sufficient crown structure for restoration Exclusion Criteria: * • Children who have a physical or mental change. * Involving systemic illnesses. * History of allergy to drugs being utilized * Antibiotics use within three months * Teeth with aberrant root resorption or pulp canal obliteration on periapical radiography
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Chocolate's secret ingredient takes on root canal pain
- Could a new filling material save baby teeth when adult teeth are missing?
- Can a gentler root canal save more tooth and still heal infection?
- Can a different rinse cut pain after root treatment in kids?
- Could a tooth's own pulp be used to regenerate root canals?