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The Effect of Tablet Size on Cognitive Performance Caffeine

NCT03694886 · Status: COMPLETED · Phase: PHASE4 · Type: INTERVENTIONAL · Enrollment: 120

Last updated 2019-04-17

No results posted yet for this 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.

Conditions

  • Placebo Effect

Interventions

DRUG

Caffeine Anhydrous with small sucrose pill

caffeine anhydrous that has been weighed out to 90 mg per dose presented with a 1 mm sucrose pillule

OTHER

Placebo - large sucrose pill

sucrose pillules of 5 mm diameter will be given to all participants in the large pill groups

DRUG

Caffeine Anhydrous with large sucrose pill

caffeine anhydrous that has been weighed out to 90 mg per dose presented with a 5 mm sucrose pillule

OTHER

Placebo - small sucrose pill

sucrose pillules of 1 mm diameter will be given to all participants in the small pill groups

Sponsors & Collaborators

  • University of Colorado, Denver

    lead OTHER

Principal Investigators

  • Daniel Hernandez Altamirano · Undergraduate honors student

Study Design

Allocation
RANDOMIZED
Purpose
BASIC_SCIENCE
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
40 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2018-10-31
Primary Completion
2019-03-01
Completion
2019-03-01

Countries

  • United States

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03694886 on ClinicalTrials.gov