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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been endorsed by the ANZCTR. Before participating in a study, talk to your health care provider and refer to this
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Trial registered on ANZCTR
Registration number
ACTRN12624001437550p
Ethics application status
Submitted, not yet approved
Date submitted
15/10/2024
Date registered
10/12/2024
Date last updated
10/12/2024
Date data sharing statement initially provided
10/12/2024
Type of registration
Prospectively registered
Titles & IDs
Public title
Efficacy of creatine supplementation for injury prevention in soccer players
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Scientific title
Effects of creatine supplementation in preventing injuries in soccer players: a pilot, randomized controlled trial
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Secondary ID [1]
313196
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Nil known
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Musculoskeletal Injuries
335489
0
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Condition category
Condition code
Musculoskeletal
332048
332048
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0
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Other muscular and skeletal disorders
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Injuries and Accidents
332247
332247
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0
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Other injuries and accidents
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
3 g / day creatine supplementation (with pills) during 14 weeks, with breakfast.
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Intervention code [1]
329771
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Prevention
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Comparator / control treatment
3 g / day placebo (maltodextrin pills) supplementation during 14 weeks
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Control group
Placebo
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Outcomes
Primary outcome [1]
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Musculoskeletal injuries
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Assessment method [1]
339652
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Notebook record
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Timepoint [1]
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4, 5, 6, 7, 8, 9 , 10, 11, 12, 13 and 14 weeks after starting the supplementation
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Primary outcome [2]
339653
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Post- training Fatigue
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Assessment method [2]
339653
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Wellness questionnaire (previously validated) Laux, P., Krumm, B., Diers, M., & Flor, H. (2015). Recovery–stress balance and injury risk in professional football players: a prospective study. Journal of Sports Sciences, 33(20), 2140–2148
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Timepoint [2]
339653
0
Before intervention and every post-training session during the weeks 4 to 14 after starting the supplementation
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Primary outcome [3]
339654
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Musculoskeletal pain in lower limbs
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Assessment method [3]
339654
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Visual Analogue Scale
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Timepoint [3]
339654
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Before the intervention and every post-training session during the weeks 4 to 14 after starting the supplementation
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Secondary outcome [1]
440745
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Maximal isometric strength in lower limbs: knee flexion
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Assessment method [1]
440745
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Active Force 2 dynamometer
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Timepoint [1]
440745
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Baseline and post-intervention (14 weeks)
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Secondary outcome [2]
440746
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Vertical jump, in cm
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Assessment method [2]
440746
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Counter Mouvement Jump (CMJ)
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Timepoint [2]
440746
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Baseline and post-intervention (14 weeks)
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Secondary outcome [3]
440747
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Internal training load
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Assessment method [3]
440747
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Foster index (Borg scale 0 to 10 of perceived effort post-training x duration of training session in minutes)
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Timepoint [3]
440747
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Every post-training session during the week 4,5,6,7,8,9,10,11,12,13 and 14
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Secondary outcome [4]
440748
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Knee flexion range of motion
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Assessment method [4]
440748
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Goniometer (degrees)
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Timepoint [4]
440748
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Baseline and 14 weeks after starting the intervention
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Secondary outcome [5]
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Knee extension range of motion
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Assessment method [5]
441522
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Goniometer (degrees)
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Timepoint [5]
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Baseline and 14 weeks after starting the intervention
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Secondary outcome [6]
441523
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Maximal isometric strength in lower limbs: knee extension
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Assessment method [6]
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Dynamometer Activ Force 2
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Timepoint [6]
441523
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Baseline and post-intervention (14 weeks)
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Secondary outcome [7]
441524
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Maximal isometric strength in lower limbs: hip flexion
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Assessment method [7]
441524
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Dynamometer Activ Force 2
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Timepoint [7]
441524
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Baseline and post-intervention (14 weeks)
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Secondary outcome [8]
441525
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Maximal isometric strength in lower limbs: hip extension
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Assessment method [8]
441525
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Dynamometer Activ Force 2
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Timepoint [8]
441525
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Baseline and post-intervention (14 weeks)
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Eligibility
Key inclusion criteria
Active soccer players in a semi-professional team
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Minimum age
18
Years
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Maximum age
40
Years
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Sex
Both males and females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
Having lower limbs injuries in the last six months
Already having a creatine supplementation
Allergies to creatine
Nephropathy
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Study design
Purpose of the study
Prevention
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
Central randomization by computer
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Simple randomisation using a randomisation table created by Microsoft Excel
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
8/01/2025
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Actual
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Date of last participant enrolment
Anticipated
20/01/2025
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Actual
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Date of last data collection
Anticipated
30/04/2025
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Actual
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Sample size
Target
20
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Accrual to date
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Final
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Recruitment outside Australia
Country [1]
26637
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Spain
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State/province [1]
26637
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Funding & Sponsors
Funding source category [1]
317642
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Self funded/Unfunded
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Name [1]
317642
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Address [1]
317642
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Country [1]
317642
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Primary sponsor type
Individual
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Name
Guillermo García-Pérez-de-Sevilla; Universidad Europea de Madrid
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Address
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Country
Spain
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Secondary sponsor category [1]
319957
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None
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Name [1]
319957
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Address [1]
319957
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Country [1]
319957
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Ethics approval
Ethics application status
Submitted, not yet approved
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Ethics committee name [1]
316340
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Universidad Europea de Madrid- Committee for Ethics in Research
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Ethics committee address [1]
316340
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Calle Tajo s/n 28670, Villaviciosa de Odón, Madrid (SPAIN)
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Ethics committee country [1]
316340
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Spain
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Date submitted for ethics approval [1]
316340
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30/10/2024
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Approval date [1]
316340
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Ethics approval number [1]
316340
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Summary
Brief summary
This study aims to investigate the effectiveness of creatine supplementation in preventing musculoskeletal injuries in soccer players. The hypothesis is that creatine supplementation will reduce muscle injuries.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Dr Guillermo García-Pérez-de-Sevilla
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Address
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Universidad Europea de Madrid. Calle Tajo s/n 28670 Villaviciosa de Odón (SPAIN)
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Country
137586
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Spain
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Phone
137586
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+34629207357
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Fax
137586
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Email
137586
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[email protected]
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Contact person for public queries
Name
137587
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Guillermo García-Pérez-de-Sevilla
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Address
137587
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Universidad Europea de Madrid. Calle Tajo s/n 28670 Villaviciosa de Odón (SPAIN)
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Country
137587
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Spain
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Phone
137587
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+34629207357
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Fax
137587
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Email
137587
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[email protected]
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Contact person for scientific queries
Name
137588
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Guillermo García-Pérez-de-Sevilla
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Address
137588
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Universidad Europea de Madrid. Calle Tajo s/n 28670 Villaviciosa de Odón (SPAIN)
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Country
137588
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Spain
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Phone
137588
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+34629207357
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Fax
137588
0
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Email
137588
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[email protected]
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Data sharing statement
Will the study consider sharing individual participant data?
No
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
No additional documents have been identified.
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