Clinical Trial on the Effects of Caffeine and Taurine From Energy Drinks (EDs) to Parameters of the Cardiovascular System in Humans

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT01421979

Enrollment

Registered

2011-08-23

Start date

2011-04-30

Completion date

2013-08-31

Last updated

2015-02-05

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

Conditions

Cardiovascular Risk

Brief summary

The aim of this study is to examine the safety and the effects of EDs at high doses, either alone or in combination with other risk factors such as alcohol intake, physical exercise and sleep deprivation, on cardiovascular markers and subjective health.

Interventions

DIETARY_SUPPLEMENTEnergy Drink, Taurine, Caffeine

Study design

Allocation

RANDOMIZED

Intervention model

CROSSOVER

Primary purpose

PREVENTION

Masking

QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender

ALL

Age

18 Years to 25 Years

Healthy volunteers

Yes

Inclusion criteria

* written informed consent * healthy (no acute or chronic desease) * BMI 20,0 - 25,9 kg/m2 * moderate and non-regular consumption of alcohol, EDs and coffee

Exclusion criteria

* pregnancy * regular medication (oral contraceptives permitted) * hypertension and other deseases of the cardiovascular system * liver-deseases * psychiatric deseases * epilepsy * other relevant deseases * (former) alcoholics * non-compliance to the study-protocol * simultaneous participation in another clinical trial * retraction of the written informed consent

Design outcomes

Primary

Measure	Time frame
Heart-rate-variability (HRV)	during 24 hours

Countries

Germany

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 3, 2026