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NCT00655811 · ClinicalTrials.gov registry record · Phase 4
Ethnic Differences in Response to Topical Capsaicin: A Psychophysical Study on Healthy Subjects
A Phase 4 study, sponsored by Wake Forest University.
- Completed
- Registry status
- Phase 4
- Development phase
- 40
- Enrollment target
NCT00655811: Completed Phase 4 study, sponsored by Wake Forest University.
NCT00655811 is a Phase 4 study that has completed, run by Wake Forest University. The registered enrollment target is 40 participants, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (92% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT00655811, a Phase 4 study, has completed, sponsored by Wake Forest University.
- COMPLETED
- Registry status
- Phase 4
- Development phase
- 40 participants
- Enrollment target
Study Summary
The purpose of this research is to study how people respond differently to capsaicin in different racial groups and the effect it has on your pain levels. Capsaicin is a natural product made from hot chili peppers that is useful for treating the itch symptoms of skin disease.
Primary Outcome
The primary endpoint is to test the burning pain effect of topical capsaicin by using an continuous visual analog scale (CoVAS) intensity scale as an outcome measure. Participants will rate burning pain intensity after topical capsaicin application. The burning or pain sensation intensity was recorded continuously on a 100-mm COVAS (0, no sensation to 100, maximum, strongest imaginable pain sensation). The subjects were also asked to indicate whether they experienced any nonpainful sensation.
Interventions
- DRUG Capsaicin
- DRUG Placebo moisturizing cream
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 40 participants |
| Start Date | 2008-02 |
| Est. Completion | 2009-10 |
| Phase | Phase 4 |
What the finished NCT00655811 record still lists
NCT00655811 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 40 participants, a relatively small participant target, below the 518-participant average among 9,235 other Phase 4 trials with a reported enrollment target (92% lower).
The record links to 0 conditions, and to 2 interventions - of which Capsaicin is the first listed.
NCT00655811 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT00655811 about?
NCT00655811 is a clinical study titled "Ethnic Differences in Response to Topical Capsaicin: A Psychophysical Study on Healthy Subjects". The purpose of this research is to study how people respond differently to capsaicin in different racial groups and the effect it has on your pain levels. Capsaicin is a natural product made from hot chili peppers that is useful for treating the itch symptoms of skin disease.
What is the current status of trial NCT00655811?
This trial is currently completed. It is a Phase 4 study. The enrollment target is 40 participants. The study started on 2008-02. Estimated completion is 2009-10.
What interventions are being tested in trial NCT00655811?
The interventions under investigation include: Capsaicin (DRUG), Placebo moisturizing cream (DRUG).
Who is sponsoring clinical trial NCT00655811?
This trial is sponsored by Wake Forest University, which has 100 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT00655811's enrollment target sits among peer trials
40 1397th of 2000 higher than 533 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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