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Cardiovascular DiseasesNCT03841838

The Effect of Energy Drink on Cardiovascular Variables: A Randomized Controlled Trial

A study testing Energy drink in people with Cardiovascular Diseases, run by University of the Pacific at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Many adults in the United States regularly consumer energy drinks. Currently, the safety of energy drinks is still questionable and there are many reports associating energy drinks with adverse events including hospitalizations and deaths. Read more about this study

Who is it for?
Ages 18 to 40 yearsHealthy volunteers can take part
Conditions the study is for
Cardiovascular Diseases
What is being tested?
Energy drink
Could I receive a placebo?
Yes, some participants may receive a placebo
How many people
20 participants
Where
1 siteUnited States
Study dates
23 Feb 2019to 9 May 2019
Phase
Interventional
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 to 40 years
  • All sexes
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • Healthy male or female adults 18-40 years old
  • Participants must be willing to refrain from caffeine and alcohol use 48 hours prior to each study day
  • Participants must be willing to fast 10 hours prior to each study day
  • Participants must have health insurance

Who cannot join

  • Corrected QT (QTc) interval greater than 450 milliseconds (ms). QTc will be determined on the ECG obtained during initial screening appointment.
  • Blood pressure at initial screening appointment greater than 140/90 mmHg.
  • Presence of any known medical condition confirmed through participant interview
  • Concurrent use of ANY medication taken on a daily basis, to include herbal products or supplements (exception include oral contraceptives that will be allowed if taking for longer than 1 month)
  • Current smokers or those who have smoked any cigarettes within the past month
  • Pregnant or currently breastfeeding

Trial locations and contacts

1 site in 1 country.

United States1 site
  • University of Pacific

    Stockton, California, 95211

Other trials in United States

About this study

Many adults in the United States regularly consumer energy drinks. Currently, the safety of energy drinks is still questionable and there are many reports associating energy drinks with adverse events including hospitalizations and deaths. Previous research shows that energy drink can affect heart rhythm and elevate blood pressure. However, these studies use a higher volume (32 ounces) of energy drinks than those available in the market (24 ounces). The purpose of this study is to study if 24-ounce energy drinks can significantly affect heart rhythm and elevate blood pressure when compared to a placebo.

Read the detailed description

The study is a randomized, double blind, controlled, crossover study comparing the effect of energy drinks and placebo on cardiovascular parameters including heart rhythm and blood pressure.

Subjects who contact the PI for interest in study participation will be scheduled a time to study facility for initial evaluation on eligibility criteria. At initial evaluation, participants will be informed about the study details, presented with Informed Consent Document (ICD), and be asked to sign the appropriate forms voluntarily if they decide to participate. Once consented, participants will be asked a series of questions and screened for blood pressure and heart rhythm parameters to determine eligibility to enroll. If patient is eligible to enroll, they will be allocated a randomized identification number.

Participants will be randomly assigned to consume either two-12 oz bottles of energy drink and two-12 oz bottles of control drink on 2 separate days. The study will occur over approximately 8 days with each session taking about 5 hours per day. Each session will have 6 days between each other.

Participants will be expected to refrain from any products containing caffeine or alcohol 48 hours and fast 10 hours before each study visit. At the beginning of each study visit, baseline measurements of ECG, blood pressures, and heart rate will be obtained prior to consuming study drinks. Repeat measurements will be obtained every 60 minutes after consumption over 4 hours.

Being tested
Energy drink, Placebo drink
Keywords
Energy drink, Heart rhythm, QT prolongation, Blood pressure
Medical subject headings
Cardiovascular Diseases, Long QT Syndrome

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Energy drinkOther

    Two 12 oz bottles of commercially available energy drink

  • Placebo drinkOther

    Two 12 oz bottles placebo drink. Placebo drink will contain carbonated water, lime juice, and cherry flavoring.

Study groups in NCT03841838
Study groupRoleWhat they receive
Energy drinkExperimentalTwo 12 oz bottles of energy drink
Receives: Other: Energy drink
PlaceboPlacebo comparatorTwo 12 oz bottles of placebo drink
Receives: Other: Placebo drink

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. QTc interval

    Maximum change in QTc interval from baseline in each of 2 arm

    Measured: Measurements are obtained at baseline and every 60 minutes after study drink consumption over 4 hours

  2. Central systolic blood pressure

    Maximum change in central systolic blood pressure from baseline in each of 2 arm

    Measured: Measurements are obtained at baseline and every 60 minutes after study drink consumption over 4 hours

Secondary outcomes (7)
  1. QT interval

    Maximum change in QT interval from baseline in each of 2 arm

    Measured: Measurements are obtained at baseline and every 60 minutes after study drink consumption over 4 hours

  2. PR interval

    Maximum change in PR interval from baseline in each of 2 arm

    Measured: Measurements are obtained at baseline and every 60 minutes after study drink consumption over 4 hours

  3. QRS duration

    Maximum change in QRS duration from baseline in each of 2 arm

    Measured: Measurements are obtained at baseline and every 60 minutes after study drink consumption over 4 hours

  4. Heart rate

    Maximum change in heart rate from baseline in each of 2 arm

    Measured: Measurements are obtained at baseline and every 60 minutes after study drink consumption over 4 hours

  5. Central diastolic blood pressure

    Maximum change in central diastolic blood pressure from baseline in each of 2 arm

    Measured: Measurements are obtained at baseline and every 60 minutes after study drink consumption over 4 hours

  6. Peripheral systolic and diastolic blood pressure

    Maximum change in peripheral systolic and diastolic blood pressures in each of 2 arm

    Measured: Measurements are obtained at baseline and every 60 minutes after study drink consumption over 4 hours

  7. Augmentation index

    Maximum change in augmentation index from baseline in each of 2 arm

    Measured: Measurements are obtained at baseline and every 60 minutes after study drink consumption over 4 hours

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted15 Feb 2019
  2. Study start23 Feb 2019
  3. Primary completion9 May 2019
  4. Study completion9 May 2019

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase N/A
Primary purpose
Other
Allocation
Randomised
Intervention model
Crossover
Masking
Triple blind
Who is masked
Participant, Care provider, Investigator
Enrolment
20 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03841838
Sponsor's protocol ID
19-03
Status last verified
Mar 2019
First submitted
12 Feb 2019
Last updated
25 Sep 2019
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Fletcher EA, Lacey CS, Aaron M, Kolasa M, Occiano A, Shah SA. Randomized Controlled Trial of High-Volume Energy Drink Versus Caffeine Consumption on ECG and Hemodynamic Parameters. J Am Heart Assoc. 2017 Apr 26;6(5):e004448. doi: 10.1161/JAHA.116.004448.

    PubMed 28446495
  • Shah SA, Occiano A, Nguyen TA, Chan A, Sky JC, Bhattacharyya M, O'Dell KM, Shek A, Nguyen NN. Electrocardiographic and blood pressure effects of energy drinks and Panax ginseng in healthy volunteers: A randomized clinical trial. Int J Cardiol. 2016 Sep 1;218:318-323. doi: 10.1016/j.ijcard.2016.05.007. Epub 2016 May 13.

    PubMed 27240158
  • Shah SA, Chu BW, Lacey CS, Riddock IC, Lee M, Dargush AE. Impact of Acute Energy Drink Consumption on Blood Pressure Parameters: A Meta-analysis. Ann Pharmacother. 2016 Oct;50(10):808-15. doi: 10.1177/1060028016656433. Epub 2016 Jun 23.

    PubMed 27340146
  • Phan JK, Shah SA. Effect of caffeinated versus noncaffeinated energy drinks on central blood pressures. Pharmacotherapy. 2014 Jun;34(6):555-60. doi: 10.1002/phar.1419. Epub 2014 Mar 19.

    PubMed 24644139
  • Hajsadeghi S, Mohammadpour F, Manteghi MJ, Kordshakeri K, Tokazebani M, Rahmani E, Hassanzadeh M. Effects of energy drinks on blood pressure, heart rate, and electrocardiographic parameters: An experimental study on healthy young adults. Anatol J Cardiol. 2016 Feb;16(2):94-9. doi: 10.5152/akd.2015.5930. Epub 2015 Mar 23.

    PubMed 26467367
  • Elitok A, Oz F, Panc C, Sarikaya R, Sezikli S, Pala Y, Bugan OS, Ates M, Parildar H, Ayaz MB, Atici A, Oflaz H. Acute effects of Red Bull energy drink on ventricular repolarization in healthy young volunteers: a prospective study. Anatol J Cardiol. 2015 Nov;15(11):919-22. doi: 10.5152/akd.2015.5791. Epub 2015 Mar 5.

    PubMed 25868042

Questions about this trial

What is this clinical trial studying?

A study testing Energy drink in people with Cardiovascular Diseases, run by University of the Pacific at 1 site in United States.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 4 inclusion and 6 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 25 Sep 2019. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

QTc interval (time frame: Measurements are obtained at baseline and every 60 minutes after study drink consumption over 4 hours). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03841838, which also lists 6 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 25 Sep 2019.

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