Caffeine's Effect on Attention

The Effect of Caffeine on Attention

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT02264561

Enrollment

Registered

2014-10-15

Start date

2014-09-30

Completion date

2014-12-31

Last updated

2015-04-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Attention

Brief summary

The purpose of this study is to determine whether caffeine improves attention.

Detailed description

Single centre single dose cross-over, placebo-controlled, double blind, randomized trial with two treatment conditions : caffeine and placebo

Interventions

OTHERFood

Active group

Study design

Allocation

RANDOMIZED

Intervention model

CROSSOVER

Masking

QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender

ALL

Age

40 Years to 60 Years

Healthy volunteers

Yes

Inclusion criteria

Healthy male and female Aged 40-60 years

Design outcomes

Primary

Measure	Time frame
Attention test: milliseconds and index of stimulus sensitivity	duration 10 days from screening to last visit (V2)

Secondary

Measure	Time frame
Central Nervous System :response time.	duration: 10 days from screening to last visit (V2)
Mood measures: Visual Analog scale.	duration 10 days from screening to last visit V2

Countries

Netherlands

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026