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NCT00004640 · ClinicalTrials.gov registry record · Phase 3
"Clinical Trials to Enhance Elders' Oral Health" ("TEETH")
A Phase 3 study, sponsored by University of Washington.
- Completed
- Registry status
- Phase 3
- Development phase
- 1,101
- Enrollment target
NCT00004640: Completed Phase 3 study, sponsored by University of Washington.
NCT00004640 is a Phase 3 study that has completed, run by University of Washington. The registered enrollment target is 1,101 participants, above the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (43% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00004640, a Phase 3 study, has completed, sponsored by University of Washington.
- COMPLETED
- Registry status
- Phase 3
- Development phase
- 1,101 participants
- Enrollment target
Study Summary
The purpose of this study is to determine if regular rinsing with chlorhexidine is effective as a long-term preventive method for reducing the incidence of tooth loss in low income older adults. The true end-point of the study is tooth loss after five years of regular rinsing with chlorhexidine or a placebo; surrogate endpoints are periodontal disease, root and coronal decay.
Interventions
- DRUG Chlorhexidine rinse
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 1,101 participants |
| Start Date | 1998-05 |
| Est. Completion | 2008-10 |
| Phase | Phase 3 |
What the finished NCT00004640 record still lists
NCT00004640 is an interventional study that assigns participants to a tested intervention. Its 1,101 participants enrollment target places it among the larger protocols in the corpus, above the 772-participant average among 15,282 other Phase 3 trials with a reported enrollment target (43% higher).
The record links to 0 conditions, and to 1 intervention - of which Chlorhexidine rinse is the first listed.
NCT00004640 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00004640 about?
NCT00004640 is a clinical study titled ""Clinical Trials to Enhance Elders' Oral Health" ("TEETH")". The purpose of this study is to determine if regular rinsing with chlorhexidine is effective as a long-term preventive method for reducing the incidence of tooth loss in low income older adults. The true end-point of the study is tooth loss after five years of regular rinsing with chlorhexidine or a...
What is the current status of trial NCT00004640?
This trial is currently completed. It is a Phase 3 study. The enrollment target is 1,101 participants. The study started on 1998-05. Estimated completion is 2008-10.
What interventions are being tested in trial NCT00004640?
The interventions under investigation include: Chlorhexidine rinse (DRUG).
Who is sponsoring clinical trial NCT00004640?
This trial is sponsored by University of Washington, which has 1,048 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00004640's enrollment target sits among peer trials
1,101 252nd of 2000 higher than 1,749 of 2,000 other Phase 3 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 3 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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