Sleep Clinical Trial
— OPS IIOfficial title:
A Randomized, Double-blind, Placebo Controlled Trial of Testosterone Undecanoate for Optimizing Physical and Cognitive Performance During Military Operations (OPS II)
Verified date | September 2022 |
Source | Pennington Biomedical Research Center |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
The objective of this study is to determine the effects of a single dose of testosterone undecanoate during and in recovery from simulated operational stress.
Status | Completed |
Enrollment | 34 |
Est. completion date | July 8, 2021 |
Est. primary completion date | July 8, 2021 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Male |
Age group | 18 Years to 35 Years |
Eligibility | Inclusion Criteria: - Men aged 18-35 years - Ability to understand verbal or written instructions/testing materials in English - Physically active (as determined by accelerometry and review of a physical activity log) - Not taking any prescription medications and/or willing to refrain from all medication use prior to and throughout the entire study period, unless provided/approved by the study physician - Willing to refrain from alcohol, smoking, e-cigarettes or use of any nicotine product, caffeine, and dietary supplement use throughout the entire study period - Willing to live on the Pennington Biomedical Research Center inpatient unit for 20 consecutive days - Meets age-specific US Army body composition standards according to Army Regulation 600-9, which includes estimates of percent body fat based on height, weight, and circumference measures (neck and waist) - Total testosterone concentration is within the normal physiological range (300-1,000 ng/dL) Exclusion Criteria: - Musculoskeletal injuries that compromise exercise capability - Diagnosed cardiometabolic disorders (i.e., hypertension, hyperlipidemia, kidney disease, diabetes, etc.) - Allergies or intolerance to foods, vegetarian practices, or history of complications with lidocaine - Anabolic steroid, human growth hormone, or nutritional testosterone precursor-like supplement use within the past 6 months - Will not refrain from smoking (any nicotine product), alcohol, caffeine, or any other dietary supplement during the study - Adults unable to consent - Women - Prisoners - Sedentary or engages in insufficient quantities of physical activity per week (aerobic and/or resistance training as determined by accelerometry and review of a physical activity log) - Exceeds age-specific US Army body composition standards according to Army Regulation 600-9 - Previous history of kidney stones unless otherwise approved by the medical investigator - Systolic blood pressure > 150 or diastolic blood pressure > 95 mmHg - Previous history of breast or prostate cancer - Previous history of Chronic Obstructive Pulmonary Disease or Obstructive Sleep Apnea - Prostate-Specific Antigen (PSA) > 3ng/ml, Hematocrit > 50%, or positive urine drug screening - Based on the investigative team's clinical judgment, a subject may not be appropriate for participation in the study |
Country | Name | City | State |
---|---|---|---|
United States | Pennington Biomedical Research Center | Baton Rouge | Louisiana |
Lead Sponsor | Collaborator |
---|---|
Pennington Biomedical Research Center | United States Army Research Institute of Environmental Medicine, United States Department of Defense, University of Arkansas |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Load Carriage Time | A load carriage time trial (a militarily relevant aerobic performance assessment) was conducted near the end of each study phase to assess aerobic performance. | Day 5 (Phase 1), Day 26 (Phase 2), Day 47 (Phase 3) | |
Primary | Vertical Jump Height | Lower-body peak power was assessed near the end of each phase using a vertical jump test. | Day 4 (Phase 1), Day 25 (Phase 2), Day 46 (Phase 3) | |
Primary | Total Mass Lifted | A 3-repetition maximum deadlift assessed muscular strength, endurance, and explosive power near the end of each study phase. | Day 4 (Phase 1), Day 25 (Phase 2), Day 46 (Phase 3) | |
Primary | Wingate Peak Power | Anaerobic capacity was assessed using a Wingate anaerobic cycle test near the end of each study phase. | Day 4 (Phase 1), Day 25 (Phase 2), Day 46 (Phase 3) | |
Primary | Peak Aerobic Capacity | Peak aerobic capacity was measured via treadmill VO2peak near the end of each study phase. | Day 4 (Phase 1), Day 25 (Phase 2), Day 46 (Phase 3) | |
Secondary | Body Composition | A four-compartment (4C) model factoring in body mass, body volume, total body water, and bone mineral content was used to calculate fat-free body mass and fat mass at the end of each study phase. | Day 7 (Phase 1), Day 28 (Phase 2), Day 49 (Phase 3) |
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