Action of Caffeinated and Decaffeinated Espresso on Autonomic Function
NCT ID: NCT00576030
Last Updated: 2010-07-05
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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TERMINATED
NA
77 participants
INTERVENTIONAL
2007-01-31
2008-10-31
Brief Summary
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In our study we aim to test the following hypotheses:
1. Habitual caffeinated espresso coffee drinkers show an increase in blood pressure, heart rate variability and parasympathetic activity (high frequency band) of the heart.
2. Non-habitual caffeinated espresso coffee drinkers show an increase of blood pressure. The heart rate variability and the parasympathetic activity of the heart will decrease.
3. Caffeinated or decaffeinated espresso induces comparable changes in habitual or non-habitual coffee drinkers.
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
CROSSOVER
BASIC_SCIENCE
TRIPLE
Study Groups
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H
habitual coffee drinkers
hab cof with water
habitual coffee drinker provided with water
hab cof with dec espresso
habitual coffee drinkers given decaffeinated espresso
hab cof with caf espresso
habitual coffee drinkers given caffeinated espresso
N
non-habitual coffee drinkers
non-hab cof with water
non-habitual coffee drinkers given water
non-hab cof with dec espresso
non-habitual coffee drinkers given decaffeinated espresso
non-hab cof with caf espresso
non-habitual coffee drinkers given caffeinated espresso
Interventions
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hab cof with water
habitual coffee drinker provided with water
hab cof with dec espresso
habitual coffee drinkers given decaffeinated espresso
hab cof with caf espresso
habitual coffee drinkers given caffeinated espresso
non-hab cof with water
non-habitual coffee drinkers given water
non-hab cof with dec espresso
non-habitual coffee drinkers given decaffeinated espresso
non-hab cof with caf espresso
non-habitual coffee drinkers given caffeinated espresso
Eligibility Criteria
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Inclusion Criteria
Exclusion Criteria
18 Years
50 Years
ALL
Yes
Sponsors
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Charite University, Berlin, Germany
OTHER
Responsible Party
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Dept of Psychosomatic Medicine and Psychotherapy, Benjamin Franklin Campus, Charité,Berlin
Locations
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Department of Psychosomatic Medicine and Psychotherapy, Charité University
Berlin, , Germany
Countries
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Other Identifiers
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EA4/061/06
Identifier Type: -
Identifier Source: secondary_id
EA4/061/06
Identifier Type: -
Identifier Source: org_study_id
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