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NCT00474175 · ClinicalTrials.gov registry record · Phase 4
Benzocaine Gel Toothache Dose-Response Study
A Phase 4 study, sponsored by Wyeth is now a wholly owned subsidiary of Pfizer.
- Completed
- Registry status
- Phase 4
- Development phase
- 577
- Enrollment target
NCT00474175: Completed Phase 4 study, sponsored by Wyeth is now a wholly owned subsidiary of Pfizer.
NCT00474175 is a Phase 4 study that has completed, run by Wyeth is now a wholly owned subsidiary of Pfizer. The registered enrollment target is 577 participants, above the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (11% higher). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00474175, a Phase 4 study, has completed, sponsored by Wyeth is now a wholly owned subsidiary of Pfizer.
- COMPLETED
- Registry status
- Phase 4
- Development phase
- 577 participants
- Enrollment target
Study Summary
To evaluate the efficacy and safety of benzocaine gel products for the relief of toothache and to assess the subject's compliance with proposed label directions.
Primary Outcome
Responder was defined as participant experiencing improvement in pain intensity, as exhibited by a pain score reduction on the Dental Pain Scale (DPS) from baseline of at least 1 unit for two consecutive assessments anytime between the 5 and 20-minute time points. Response in DPS scale was assigned values as 0 (None), 1 (Mild), 2 (Moderate) and 3 (Severe).
Interventions
- DRUG Placebo gel
- DRUG benzocaine
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 577 participants |
| Start Date | 2007-05 |
| Est. Completion | 2010-12 |
| Phase | Phase 4 |
What the finished NCT00474175 record still lists
NCT00474175 is an interventional study that assigns participants to a tested intervention. The registered 577 participants enrollment target is mid-sized for trials with a published cap, above the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (11% higher).
The record links to 0 conditions, and to 2 interventions - of which Placebo gel is the first listed.
NCT00474175 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00474175 about?
NCT00474175 is a clinical study titled "Benzocaine Gel Toothache Dose-Response Study". To evaluate the efficacy and safety of benzocaine gel products for the relief of toothache and to assess the subject's compliance with proposed label directions.
What is the current status of trial NCT00474175?
This trial is currently completed. It is a Phase 4 study. The enrollment target is 577 participants. The study started on 2007-05. Estimated completion is 2010-12.
What interventions are being tested in trial NCT00474175?
The interventions under investigation include: Placebo gel (DRUG), benzocaine (DRUG).
Who is sponsoring clinical trial NCT00474175?
This trial is sponsored by Wyeth is now a wholly owned subsidiary of Pfizer, which has 167 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00474175's enrollment target sits among peer trials
577 149th of 2000 higher than 1,851 of 2,000 other Phase 4 trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other Phase 4 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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