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Effects of Short-term Acute Creatine Supplementation on Power, Speed and Muscular Strengths in Young Football Players 20 Short-Term

Not yet recruiting
Clinical Trial NCT07475676 is an interventional study for Performance Enhancement and is currently not yet recruiting. Enrollment is planned to begin on 1 March 2026 and continue until the study accrues 20 participants. Led by St. Mary's University, Twickenham, this study is expected to complete by 13 April 2026. The latest data from ClinicalTrials.gov was last updated on 16 March 2026.
Brief Summary
Creatine has been widely studies within the strength and conditioning background and has been seen to show positive effects on performance assess the effects of creatine on sports requiring a range of different fitness components to be successful such as football. Previous research has suggested benefits of creatine supplementation such as increasing PCr (phosphocreatine) stores to aid ATP (adenosine triphosphate) pr...Show More
Official Title

Effects of Short-term Acute Creatine Supplementation on Power, Speed and Muscular Strengths in Young Football Players

Conditions
Performance Enhancement
Other Study IDs
  • SMU_ETHICS_2025-26_229
NCT ID Number
NCT07475676
Start Date (Actual)
2026-03-01
Last Update Posted
2026-03-16
Completion Date (Estimated)
2026-04-13
Enrollment (Estimated)
20
Study Type
Interventional
PHASE
N/A
Status
Not yet recruiting
Primary Purpose
Other
Design Allocation
Randomized
Interventional Model
Parallel
Masking
Single
Arms / Interventions
Participant Group/ArmIntervention/Treatment
Placebo ComparatorPlacebo
Placebo
Placebo
Active ComparatorCreatine Supplementation
Creatine Monohydrate
Creatine Monohydrate
Primary Outcome Measures
Outcome MeasureMeasure DescriptionTime Frame
The effects of acute creatine supplementation on semi-pro football player speed test results following a seven-day supplementation period.
Participants will supplement creatine for a seven day period. Baseline testing will take place before supplementation using a 30m sprint test, it will be measured by the time it took to sprint the 30m (seconds). Participants will undergo the same test after following 7 days. The effects of creatine supplementation will be noted by the difference between sprint test scores (seconds).
7 days
The effects of acute creatine supplementation on semi-pro football player countermovement jump (power) results following a seven-day supplementation period.
Participants will supplement creatine for a seven-day period. Baseline testing for power will take place before supplementation using a countermovement jump. Participants will undergo the same test after following 7 days. The effects of creatine supplementation will be noted by the difference between countermovement jump scores (power).
7 days
The effects of acute creatine supplementation on semi-pro football player lower limb strength test results completed through a 5-RM leg press test following a seven-day supplementation period.
Participants will supplement creatine for a seven-day period. Baseline testing will take place before supplementation using a 5-RM leg press, it will be measured by the maximal amount of weight used to complete five reps on the leg press (kg). Participants will undergo the same test after following 7 days. The effects of creatine supplementation will be noted by the difference between the maximal amount of weight used to complete five reps on the leg press (kg)t test scores (seconds).
7 days
Participation Assistant
Eligibility Criteria

Eligible Ages
Adult
Minimum Age
18 Years
Eligible Sexes
All
  • Male or female between the age of 18-45
  • Trained individuals currently playing at a semi-professional (regional) level currently training and competing no more than three times a week
  • Free of long-term injuries for the last six months
  • Not supplementing creatine within the last 3 months.
  • Able to swallow pills
  • No medical conditions

  • Individuals will be excluded from participation if they are under the age of 18 or over the age of 45
  • Not currently playing football at a semi-professional (regional) level.
  • Train and/or compete more than three times per week
  • Have any current injury or have experienced a long-term injury within the previous six months that may affect performance or increase the risk of injury during testing.
  • Individuals who have supplemented with creatine within the last three months, - Any medical condition will not be eligible to take part in the study.
St. Mary's University, Twickenham logoSt. Mary's University, Twickenham
Study Central Contact
Contact: Wiktor Dabrowski, Bsc, +447526985253, [email protected]
Contact: Alex Woodhead, 020-8240-4000, [email protected]
1 Study Locations in 1 Countries
St Mary's University Twickenham London, London, TW1 4SX, United Kingdom
Reception Reception, Contact, 020824040000