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NCT03694886 · ClinicalTrials.gov registry record · Phase 4
The Effect of Tablet Size on Cognitive Performance Caffeine
A Phase 4 study of Placebo Effect, sponsored by University of Colorado, Denver.
- Completed
- Registry status
- Phase 4
- Development phase
- 120
- Enrollment target
- 1
- Study location
NCT03694886: Completed Phase 4 study of Placebo Effect, sponsored by University of Colorado, Denver.
NCT03694886 is a Phase 4 study of Placebo Effect that has completed, run by University of Colorado, Denver. The registered enrollment target is 120 participants, below the 449-participant average among 3 other Placebo Effect trials with a reported enrollment target (73% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT03694886, a Phase 4 study of Placebo Effect, has completed, sponsored by University of Colorado, Denver.
- COMPLETED
- Registry status
- Phase 4
- Development phase
- 120 participants
- Enrollment target
- 1
- Study location
Study Summary
This study aims to assess if tablet size, due to placebo effect, alters participants' performance on cognitive tests after consuming caffeine. Participants will be randomly assigned to one of four groups: 1) 90 mg caffeine with a 1 mm diameter sucrose pillule; 2) no caffeine with the small sucrose pillule; 3) 90 mg caffeine with a 5 mm sucrose pillule; 4) no caffeine with the large sucrose pillule.
Primary Outcome
Measures processing speed. 100-item, time-trial task where participants read the color of printed items on the task paper as quickly as possible for 45 seconds. Scores are measured in the number of correct responses within the allotted time.
Conditions Studied
Interventions
- DRUG Caffeine Anhydrous with small sucrose pill
- OTHER Placebo - large sucrose pill
- DRUG Caffeine Anhydrous with large sucrose pill
- OTHER Placebo - small sucrose pill
Study Locations (1)
Colorado
- University of Colorado Denver - Denver
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 120 participants |
| Start Date | 2018-10-31 |
| Est. Completion | 2019-03-01 |
| Phase | Phase 4 |
What the finished NCT03694886 record still lists
NCT03694886 is an interventional study that assigns participants to a tested intervention. The registered 120 participants enrollment target is mid-sized for trials with a published cap, below the 449-participant average among 3 other Placebo Effect trials with a reported enrollment target (73% lower).
The record links to 1 condition, with Placebo Effect appearing as the primary indexed condition, and to 4 interventions - of which Caffeine Anhydrous with small sucrose pill is the first listed.
NCT03694886 reports a single indexed study location in Colorado.
Frequently Asked Questions
What is clinical trial NCT03694886 about?
NCT03694886 is a clinical study titled "The Effect of Tablet Size on Cognitive Performance Caffeine". This study aims to assess if tablet size, due to placebo effect, alters participants' performance on cognitive tests after consuming caffeine. Participants will be randomly assigned to one of four groups: 1) 90 mg caffeine with a 1 mm diameter sucrose pillule; 2) no caffeine with the small sucrose p...
What is the current status of trial NCT03694886?
This trial is currently completed. It is a Phase 4 study. The enrollment target is 120 participants. The study started on 2018-10-31. Estimated completion is 2019-03-01.
What conditions does trial NCT03694886 study?
This clinical trial studies the following conditions: Placebo Effect.
What interventions are being tested in trial NCT03694886?
The interventions under investigation include: Caffeine Anhydrous with small sucrose pill (DRUG), Placebo - large sucrose pill (OTHER), Caffeine Anhydrous with large sucrose pill (DRUG), Placebo - small sucrose pill (OTHER).
Who is sponsoring clinical trial NCT03694886?
This trial is sponsored by University of Colorado, Denver, which has 1,283 total clinical trials registered on ClinicalTrials.gov.
Where is trial NCT03694886 being conducted?
This trial has 1 study location across Colorado. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.
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