Safety of Different Forms of Creatine (NB9)
Short-Term Safety and Dose Effects of Different Forms of Creatine
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Apparently healthy
- At least 6 months immediate prior history of resistance training including bench press and leg press or squat
Exclusion Criteria:
- A history of treatment for metabolic disease (i.e., diabetes), hypertension, hypotension, thyroid disease, arrhythmias and/or cardiovascular disease
- Use of prescription medication (birth control is allowed)
- Pregnant or nursing or plan to become pregnant during the next month
- Creatine or nitrate use in the last eight weeks
- History of smoking
- History of drinking (i.e., 12 drinks per week or more)
- Use of nonsteroidal anti-inflammatory drugs (NSAIDs) including ibuprofen (Advil, Motrin, Nuprin, etc.), indomethacin (Indocin), naproxen (Aleve, Anaprox, Naprelan, Naprosyn), piroxicam (Feldene)
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Health Services Research
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Double
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Creatine nitrate, low dose
Creatine nitrate at 3.0 grams (2.0 grams creatine; 1.0 gram nitrate, 3.0 grams dextrose)
|
Creatine nitrate at 3.0 grams (2.0 grams creatine, 1.0 gram nitrate, 3.0 grams dextrose)
|
|
Active Comparator: Creatine nitrate, high dose
Creatine nitrate at 6.0 grams (4.0 grams creatine; 2.0 grams nitrate)
|
Creatine nitrate at 6.0 grams (4.0 grams creatine, 2.0 grams nitrate)
|
|
Placebo Comparator: Placebo
Placebo at 6.0 grams dextrose
|
Placebo at 6.0 grams (6.0 grams dextrose)
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Measuring the blood pressure response to creatine nitrate ingestion
Time Frame: 7 days
|
7 days
|
|
Measuring the heart rate response to creatine nitrate ingestion
Time Frame: 7 days
|
7 days
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Measuring a blood chemistry panel 15 response to creatine nitrate ingestion
Time Frame: 7 days
|
7 days
|
|
Measuring the one Repetition Maximum (1 RM) muscle strength response to creatine nitrate ingestion
Time Frame: 7 days
|
7 days
|
|
Measuring the repetitions to failure muscle endurance response to creatine nitrate ingestion
Time Frame: 7 days
|
7 days
|
|
Measuring self-reported side effects of creatine nitrate ingestion
Time Frame: 7 days
|
7 days
|
Collaborators and Investigators
Sponsor
Sponsor
Collaborators
Collaborators
Investigators
Investigators
- Principal Investigator: Richard B Kreider, PhD, Texas A&M University
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Other Study ID Numbers
Other Study ID Numbers
- IRB2015-0684
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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