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Impact of Energy Drinks on Cardiovascular Endpoints

Effects of Single and Multiple Energy Shots on Blood Pressure and Electrocardiographic Parameters: A Randomized, Double Blind, Crossover, Placebo-controlled Trial

Status
Terminated
Phases
NA
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01329679
Enrollment
26
Registered
2011-04-06
Start date
2011-04-30
Completion date
2013-07-31
Last updated
2020-09-09

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

Conditions

Healthy Volunteers

Brief summary

Objective: To assess the cardiac effects of a an energy drink on blood pressure and heart rhythm in healthy subjects. Study design: Double blind, placebo controlled, cross-over Study population: Healthy human volunteers (active-duty) between age 18 to 40 years with no other medical conditions. Intervention: Energy drink or Placebo Primary outcome: Change in office systolic blood pressure

Interventions

DIETARY_SUPPLEMENTEnergy Drink

Energy drink, 2oz twice daily for 7 days

OTHERPlacebo

Water, lime juice and cherry flavoring

Sponsors

David Grant U.S. Air Force Medical Center
Lead SponsorFED

Study design

Allocation
RANDOMIZED
Intervention model
CROSSOVER
Primary purpose
OTHER
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 40 Years
Healthy volunteers
Yes

Inclusion criteria

* Healthy volunteers between ages 18-40 years * ONLY as needed use of ibuprofen or acetamenophen * Active duty military * DoD beneficiary or Civilian Government Employees

Exclusion criteria

* No other co-morbid conditions * No active prescription or OTC drug use * Not pregnant or planning to become pregnant during study participation

Design outcomes

Primary

MeasureTime frameDescription
Change in Office Systolic Blood PressureAt baseline and 7 days post energy drink and placebo consumptionSBP = Systolic Blood Pressure measured at baseline (after a single energy shot or placebo consumption) and after chronic consumption for 7 days.

Secondary

MeasureTime frameDescription
Max Heart Rate After a Single Shot and After Chronic ConsumptionAt baseline and 7 days post energy drink and placebo consumptionMaximum heart rate measured at baseline (after a single energy shot or placebo consumption) and after chronic consumption for 7 days
Max PR-interval After a Single Shot and After Chronic ConsumptionAt baseline and 7 days post energy drink and placebo consumptionMaximum PR-interval measured at baseline (after a single energy shot or placebo consumption) and after chronic consumption for 7 days
Office DBP After a Single Energy Shot and After Chronic ConsumptionAt baseline and 7 days post energy drink and placebo consumptionDBP = Diastolic Blood Pressure measured at baseline (after a single energy shot or placebo consumption) and after chronic consumption for 7 days.
Max QT Interval After a Single Energy Shot or Placebo Consumption After Day 1 and After Chronic Consumption After Day 7At baseline and 7 days post energy drink and placebo consumptionMax QT interval measured at baseline (after a single energy shot or placebo consumption) and after chronic consumption for 7 days
Max QTc Interval After a Single Energy Shot or Placebo Consumption After Day 1 and After Chronic Consumption After Day 7At baseline and 7 days post energy drink and placebo consumptionMax QTc interval measured at baseline (after a single energy shot or placebo consumption) and after chronic consumption for 7 days
Max QRS Duration After a Single Shot and After Chronic ConsumptionAt baseline and 7 days post energy drink and placebo consumptionMax QRS duration measured at baseline (after a single energy shot or placebo consumption) and after chronic consumption for 7 days

Participant flow

Participants by arm

ArmCount
All Study Participants
Energy drink: Energy drink, 2oz twice daily for 7 days Placebo: Water, lime juice and cherry flavoring
26
Total26

Baseline characteristics

CharacteristicAll Study Participants
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
0 Participants
Age, Categorical
Between 18 and 65 years
26 Participants
Age, Continuous
Age
28.3 years
STANDARD_DEVIATION 5.77
Race/Ethnicity, Customized
African American
2 participants
Race/Ethnicity, Customized
Asian
2 participants
Race/Ethnicity, Customized
Caucasian
20 participants
Race/Ethnicity, Customized
Hispanic
2 participants
Region of Enrollment
United States
26 participants
Sex: Female, Male
Female
6 Participants
Sex: Female, Male
Male
20 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
0 / 260 / 26
serious
Total, serious adverse events
0 / 260 / 26

Outcome results

Primary

Change in Office Systolic Blood Pressure

SBP = Systolic Blood Pressure measured at baseline (after a single energy shot or placebo consumption) and after chronic consumption for 7 days.

Time frame: At baseline and 7 days post energy drink and placebo consumption

ArmMeasureGroupValue (MEAN)Dispersion
Energy DrinkChange in Office Systolic Blood PressureSBP at baseline128 mmHgStandard Deviation 9.98
Energy DrinkChange in Office Systolic Blood PressureSBP at Day 7127 mmHgStandard Deviation 9.88
PlaceboChange in Office Systolic Blood PressureSBP at baseline123 mmHgStandard Deviation 8.49
PlaceboChange in Office Systolic Blood PressureSBP at Day 7124 mmHgStandard Deviation 8.29
Secondary

Max Heart Rate After a Single Shot and After Chronic Consumption

Maximum heart rate measured at baseline (after a single energy shot or placebo consumption) and after chronic consumption for 7 days

Time frame: At baseline and 7 days post energy drink and placebo consumption

ArmMeasureGroupValue (MEAN)Dispersion
Energy DrinkMax Heart Rate After a Single Shot and After Chronic ConsumptionBaseline69.8 beats per minuteStandard Deviation 9.5
Energy DrinkMax Heart Rate After a Single Shot and After Chronic ConsumptionDay 768.1 beats per minuteStandard Deviation 9.21
PlaceboMax Heart Rate After a Single Shot and After Chronic ConsumptionBaseline70.3 beats per minuteStandard Deviation 8.41
PlaceboMax Heart Rate After a Single Shot and After Chronic ConsumptionDay 767 beats per minuteStandard Deviation 7.7
Secondary

Max PR-interval After a Single Shot and After Chronic Consumption

Maximum PR-interval measured at baseline (after a single energy shot or placebo consumption) and after chronic consumption for 7 days

Time frame: At baseline and 7 days post energy drink and placebo consumption

ArmMeasureGroupValue (MEAN)Dispersion
Energy DrinkMax PR-interval After a Single Shot and After Chronic ConsumptionBaseline166 msecStandard Deviation 18.8
Energy DrinkMax PR-interval After a Single Shot and After Chronic ConsumptionDay 7164 msecStandard Deviation 15
PlaceboMax PR-interval After a Single Shot and After Chronic ConsumptionBaseline161 msecStandard Deviation 17.3
PlaceboMax PR-interval After a Single Shot and After Chronic ConsumptionDay 7164 msecStandard Deviation 16.7
Secondary

Max QRS Duration After a Single Shot and After Chronic Consumption

Max QRS duration measured at baseline (after a single energy shot or placebo consumption) and after chronic consumption for 7 days

Time frame: At baseline and 7 days post energy drink and placebo consumption

ArmMeasureGroupValue (MEAN)Dispersion
Energy DrinkMax QRS Duration After a Single Shot and After Chronic ConsumptionBaseline92.1 msecStandard Deviation 9.18
Energy DrinkMax QRS Duration After a Single Shot and After Chronic ConsumptionDay 794.8 msecStandard Deviation 10.5
PlaceboMax QRS Duration After a Single Shot and After Chronic ConsumptionBaseline92.3 msecStandard Deviation 9.26
PlaceboMax QRS Duration After a Single Shot and After Chronic ConsumptionDay 793.4 msecStandard Deviation 8.76
Secondary

Max QTc Interval After a Single Energy Shot or Placebo Consumption After Day 1 and After Chronic Consumption After Day 7

Max QTc interval measured at baseline (after a single energy shot or placebo consumption) and after chronic consumption for 7 days

Time frame: At baseline and 7 days post energy drink and placebo consumption

ArmMeasureGroupValue (MEAN)Dispersion
Energy DrinkMax QTc Interval After a Single Energy Shot or Placebo Consumption After Day 1 and After Chronic Consumption After Day 7Baseline422 msecStandard Deviation 15.3
Energy DrinkMax QTc Interval After a Single Energy Shot or Placebo Consumption After Day 1 and After Chronic Consumption After Day 7Day 7426 msecStandard Deviation 20.1
PlaceboMax QTc Interval After a Single Energy Shot or Placebo Consumption After Day 1 and After Chronic Consumption After Day 7Baseline424 msecStandard Deviation 18
PlaceboMax QTc Interval After a Single Energy Shot or Placebo Consumption After Day 1 and After Chronic Consumption After Day 7Day 7419 msecStandard Deviation 21.5
Secondary

Max QT Interval After a Single Energy Shot or Placebo Consumption After Day 1 and After Chronic Consumption After Day 7

Max QT interval measured at baseline (after a single energy shot or placebo consumption) and after chronic consumption for 7 days

Time frame: At baseline and 7 days post energy drink and placebo consumption

ArmMeasureGroupValue (MEAN)Dispersion
Energy DrinkMax QT Interval After a Single Energy Shot or Placebo Consumption After Day 1 and After Chronic Consumption After Day 7Baseline414 msecStandard Deviation 21.9
Energy DrinkMax QT Interval After a Single Energy Shot or Placebo Consumption After Day 1 and After Chronic Consumption After Day 7Day 7422 msecStandard Deviation 21.2
PlaceboMax QT Interval After a Single Energy Shot or Placebo Consumption After Day 1 and After Chronic Consumption After Day 7Baseline412 msecStandard Deviation 16.2
PlaceboMax QT Interval After a Single Energy Shot or Placebo Consumption After Day 1 and After Chronic Consumption After Day 7Day 7418 msecStandard Deviation 21
Secondary

Office DBP After a Single Energy Shot and After Chronic Consumption

DBP = Diastolic Blood Pressure measured at baseline (after a single energy shot or placebo consumption) and after chronic consumption for 7 days.

Time frame: At baseline and 7 days post energy drink and placebo consumption

ArmMeasureGroupValue (MEAN)Dispersion
Energy DrinkOffice DBP After a Single Energy Shot and After Chronic ConsumptionBaseline82.7 mmHgStandard Deviation 7.79
Energy DrinkOffice DBP After a Single Energy Shot and After Chronic ConsumptionDay 782.2 mmHgStandard Deviation 6.84
PlaceboOffice DBP After a Single Energy Shot and After Chronic ConsumptionBaseline79.0 mmHgStandard Deviation 6.8
PlaceboOffice DBP After a Single Energy Shot and After Chronic ConsumptionDay 778.7 mmHgStandard Deviation 6.33

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