Tooth socket study pulled before it even started
NCT ID NCT02300246
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study was designed to test whether a platelet-rich fibrin (PRF) membrane, made from a patient's own blood, could improve healing of the gum and bone after a tooth extraction. It planned to compare 15 sockets covered with the membrane to 15 left to heal naturally. However, the study was withdrawn before any participants were enrolled, so no results are available.
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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.
- Started
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Jul 2014
- Finished
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Dec 2014
- 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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18 years and older
- 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: * Patients aged over 18 years * Healthy patients with indication for dental extraction * Teeth adjacent to the extraction site * Patients willing to cooperate with the study and who have signed the informed consent form. Exclusion Criteria: * Patients showing periapical or periodontal infection * Patients with severe systemic diseases * Patients on medications such as chemotherapy, anticoagulants, corticosteroids, biphosphonates and drugs imunossupressivas * Patients who have chronic diseases decompensated (e.g. hypertension, diabetes, rheumatic diseases, renal, and hepatic) * Patients with bone diseases, metabolic (osteomalacia, hypocalcemia and hypercalcemia).
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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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Vittorio Moraschini
Niterói, Rio de Janeiro, 24230126, Brazil