Variation in the Impact of Coffee on the Metabolic Rate

Study Results

Results pending

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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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-03-06

Study Completion Date

2026-12-31

Brief Summary

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The purpose of this study is to explore variation in the impact of coffee on metabolic rate. The investigators plan to recruit healthy participants, half male and half female.

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Detailed Description

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The investigators will study the variation in the impact of coffee on metabolic rate and investigate the impacts of age, sex, body composition and regularity of habitual coffee consumption on this effect. The investigators will recruit healthy participants, half male and half female. Participants will be required to perform no strenuous exercise for 14 hours and no moderate of vigorous exercise for 2 hours before the measurements. When the participants arrive at the lab on the day of the experiment, they will sign an informed consent form, a health history questionnaire and a daily coffee consumption questionnaire. Participants will be randomly allocated into 3 groups and given 180mls of coffee to consume containing 100, 200 or 300 mg of caffeine. A fourth group will be dosed with 100 mg of caffeine containing 13C uniform labelled caffeine to trace the pattern of caffeine degradation via the appearance of 13CO2 in the breath and labelled compounds in the urine. The primary outcome is the change in resting metabolic rate from before and after coffee drinking. Secondary outcome measures are heart rate, electrocardiogram, blood pressure, body temperature which will be measured before and after the coffee consumption. Professional nurses will take 8ml of venous blood from all participants as genotyping blood samples. Genomic DNA will be extracted from whole blood samples and analysed for single nucleotide polymorphisms (SNPS).

Conditions

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Healthy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Parallel Assignment

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

SINGLE

Participants

Study Groups

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caffeine content 100mg

The participants will drink 180 mls coffee

Group Type EXPERIMENTAL