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NCT04669093 · ClinicalTrials.gov registry record · NA
Individual Differences in Placebo Analgesic Effects
A NA study, sponsored by Trustees of Dartmouth College.
- Not yet
- Registry status
- NA
- Development phase
- 60
- Enrollment target
NCT04669093: Clinical Trial NA study, sponsored by Trustees of Dartmouth College.
NCT04669093 is a NA study that has not yet begun recruiting, run by Trustees of Dartmouth College. The registered enrollment target is 60 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (96% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT04669093, a NA study, has not yet begun recruiting, sponsored by Trustees of Dartmouth College.
- NOT YET RECRUITING
- Registry status
- NA
- Development phase
- 60 participants
- Enrollment target
Study Summary
This study examines the effects of placebo suggestions tailored to match or mismatch individual participants' motivational styles-an issue of person-situation 'fit' with important effects in public health settings, but which has been ignored in past research.
Primary Outcome
Following each thermal stimulus, participants are asked to rate how painful it was, on a semi-circular computerized scale. Ratings are based on the angle (0-180), with higher angle representing higher pain ratings. We will average and compare the pain ratings within participant across interventions.
Interventions
- BEHAVIORAL Placebo cream- "promotion" suggestion
- BEHAVIORAL Placebo cream- "prevention" suggestion
- BEHAVIORAL Control cream
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 60 participants |
| Start Date | 2026-09-30 |
| Est. Completion | 2027-12-31 |
| Phase | NA |
What is known before NCT04669093 opens enrollment
NCT04669093 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 60 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (96% lower).
The record links to 0 conditions, and to 3 interventions - of which Placebo cream- "promotion" suggestion is the first listed.
NCT04669093 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT04669093 about?
NCT04669093 is a clinical study titled "Individual Differences in Placebo Analgesic Effects". This study examines the effects of placebo suggestions tailored to match or mismatch individual participants' motivational styles-an issue of person-situation 'fit' with important effects in public health settings, but which has been ignored in past research.
What is the current status of trial NCT04669093?
This trial is currently not yet recruiting. It is a NA study. The enrollment target is 60 participants. The study started on 2026-09-30. Estimated completion is 2027-12-31.
What interventions are being tested in trial NCT04669093?
The interventions under investigation include: Placebo cream- "promotion" suggestion (BEHAVIORAL), Placebo cream- "prevention" suggestion (BEHAVIORAL), Control cream (BEHAVIORAL).
Who is sponsoring clinical trial NCT04669093?
This trial is sponsored by Trustees of Dartmouth College, which has 31 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT04669093's enrollment target sits among peer trials
60 1164th of 2000 higher than 745 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA 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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