Aquatic power training dosing strategies and creatine in older adults

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This randomized study assigns 5 groups of adults aged 60+ to compare two aquatic power training dosing strategies (RPE-1 guided vs. conventional time-based) with and without creatine, plus sedentary controls with and without creatine. Over 16 weeks, participants will train three 60-minute sessions per week or remain sedentary, to see how these approaches affect muscular power and multisystem health. The trial uses a double-factor design to isolate the effects of training dosage strategy and creatine supplementation on functional outcomes. Creatine is given as 3 g/day or placebo, and outcomes are measured after the intervention period. Lead by the University of Valencia with local collaborators, this study emphasizes community-dwelling older adults able to participate safely in aquatic exercise.

Why it matters

Who can join: the full rules

Inclusion Criteria:

1. Age ≥60 years at enrollment.
2. Community-dwelling and functionally independent in basic activities of daily living.
3. Able to ambulate independently, with or without usual assistive devices, and able to safely perform the physical assessments included in the study.
4. Clinically stable; participants with chronic diseases must have maintained stable pharmacological treatment for at least three months before the intervention.
5. Not currently participating in a structured moderate- or high-intensity strength or power training program or another systematic supervised exercise program.
6. Available and willing to participate throughout the 16-week intervention and complete all scheduled assessments.
7. Willing to accept random allocation to any study group and creatine or placebo supplementation when applicable.
8. Willing to maintain stable dietary habits throughout the intervention.
9. Able and willing to provide written informed consent

Exclusion Criteria:

1. Uncontrolled cardiovascular, respiratory, metabolic, neurological, or musculoskeletal disease contraindicating exercise or limiting safe participation.
2. Unfavorable medical assessment for participation in supervised exercise.
3. Uncontrolled hypertension at screening.
4. Known kidney disease, renal failure, or clinically relevant impairment of renal function.
5. Active liver disease or clinically relevant impairment of liver function.
6. Active malignant neoplasm or current cancer treatment.
7. Endocrine or metabolic disorders considered by the research team to substantially interfere with the study's primary outcomes.
8. Current use, or use during the previous three months, of creatine or other supplements with potential ergogenic or anabolic effects.
9. Pharmacological treatment considered likely to substantially modify the study's primary outcomes.
10. Participation during the previous three months in a systematic moderate- or high-intensity strength or power training program.

Where it's running

• Physical activity and Sport Science Faculty
  Valencia, Valencia, Spain Recruiting

Study contacts

• Study coordinator: Juan Carlos Colado Sánchez, Chair full professor
• Email: juan.colado@uv.es
• Phone: (9639) 83470

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.