Sport Performance Clinical Trial
Official title:
The Effect of a Pre-workout Supplement on Basketball-specific Performance and Biochemical Profile of Well-trained Athletes
Verified date | September 2023 |
Source | University of Thessaly |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Pre-workout supplements (PWS) consumption in recreationally or physically trained males lead to many performance-enhancing benefits, including improvements in mean power output during single and repeated sprints, agility, reaction times, lower body muscular endurance and reduced fatigue. PWS ingestion also improves anaerobic performance and prolongs time to exhaustion during high-intensity intermittent exercise. However, PWSs' effectiveness is not constant, as they do not alter anaerobic power, jumping performance or blood lactate concentrations after a training session, at least in recreationally trained males and strength-power athletes. Moreover, the effects of long-term PWS supplementation, where some nutritional agents were combined (e.g., β-alanine, creatine, citrulline malate, etc.) to assess endurance-trained runners or elite cyclists' performance, are mixed and less clear. Even though the popularity of PWS use has increased among trained/professional athletes, most of the data in this area are derived from recreationally and not from well-trained athletes of a competitive level (especially in team sports). Therefore, the present study aimed to examine the acute and chronic effects of a PWS, containing 200 mg caffeine, 3.3 g creatine monohydrate, 3.2 g βalanine, 6 g citrulline malate and 5 g BCAA per dose, on shooting, jumping, sprinting, agility, aerobic and anaerobic performance in well-trained basketball players.
Status | Active, not recruiting |
Enrollment | 36 |
Est. completion date | June 15, 2024 |
Est. primary completion date | December 15, 2023 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Male |
Age group | 18 Years to 41 Years |
Eligibility | Inclusion Criteria: 1. Male participants, 18-41 years old 2. Absence of drugs, abuse or medications, which are known to affect the Shooting, sprinting, jumping, agility, anaerobic and endurance performance 3. Consent to follow a regular dietary plan for basketball players Exclusion Criteria: 1. Restraining orthopedic/neuromuscular problems 2. Caffeine hypersensitivity 3. Consumption of more than three servings of coffee per day 4. Use of any supplement or steroids prior to the study 5. Use of creatine, ß-alanine, citrulline malate or BCAA-protein supplementation at least six months before the initiation of the study |
Country | Name | City | State |
---|---|---|---|
Greece | Sports Nutrition Laboratory, International Hellenic University | Thessaloníki |
Lead Sponsor | Collaborator |
---|---|
Athanasios Z. Jamurtas |
Greece,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Countermovement jump height | Jumping performance will be evaluated using a contact platform | baseline and up to 4 weeks | |
Primary | 20 meters sprint running time | Sprint performance will be evaluated using photocell gates | baseline and up to 4 weeks | |
Primary | Rate of agility T-test performance | Agility T-test will be evaluated using photocell gates | baseline and up to 4 weeks | |
Primary | Rate of running-based anaerobic sprint test performance | Running-based anaerobic sprint test performance will be evaluated using photocell gates | baseline and up to 4 weeks | |
Primary | Rate of Yo-Yo intermittent recovery test level 1 test performance | Yo-Yo intermittent recovery test level 1 test performance will be evaluated using a field-based test | baseline and up to 4 weeks | |
Primary | Rate of basketball-specific shooting performance | Basketball-specific shooting performance will be evaluated with a test consisting of 30 free shoots, 30 middle-distance shoots and 30 long-distance shoots | baseline and up to 4 weeks | |
Primary | Blood lactate concentartion | Blood lactate concentration will be measured using a portable blood lactate analyzer | baseline and up to 4 weeks | |
Primary | Creatine kinase concentration | Creatine kinase activity will be measured on a clinical chemistry analyzer | baseline and up to 4 weeks | |
Primary | Lactate dehydrogenase concentration | Lactate dehydrogenase will be measured on a clinical chemistry analyzer | baseline and up to 4 weeks | |
Primary | Alkaline phosphatase concentration | Alkaline phosphatase will be measured on a clinical chemistry analyzer | baseline and up to 4 weeks | |
Primary | Gamma-glutamyltransferase concentration | Gamma-glutamyltransferase will be measured on a clinical chemistry analyzer | baseline and up to 4 weeks | |
Primary | Urea concentration | Urea will be measured on a clinical chemistry analyzer | baseline and up to 4 weeks | |
Primary | Creatinine concentration | Creatinine will be measured on a clinical chemistry analyzer | baseline and up to 4 weeks | |
Primary | Serum glutamic-oxaloacetic transaminase activity | Serum glutamic-oxaloacetic transaminase will be measured on a clinical chemistry analyzer | baseline and up to 4 weeks | |
Primary | Serum glutamate-pyruvate transaminase activity | Serum glutamate-pyruvate transaminase will be measured on a clinical chemistry analyzer | baseline and up to 4 weeks | |
Secondary | Body mass | Body mass will be measured using a calibrated digital scale | baseline and up to 4 weeks | |
Secondary | Body height | Body height will be measured using a stadiometer | baseline and up to 4 weeks | |
Secondary | Body fat mass | Body fat mass will be measured using a calibrated digital scale via bioelectrical impedance analysis | baseline and up to 4 weeks | |
Secondary | Systolic and diastolic blood pressure | Systolic and diastolic blood pressure will be measured using a blood pressure monitor | baseline and up to 4 weeks | |
Secondary | Heart rate | Heart rate will be measured using a heart rate monitor | baseline and up to 4 weeks |
Status | Clinical Trial | Phase | |
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