Effect of Molecular Hydrogen Administration on Performance and Body Response on Exercise in National-level Fin-swimmers

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

14 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-04-11

Study Completion Date

2023-05-31

Brief Summary

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The aim of this randomized, double-blind, placebo-controlled crossover trial is to evaluate the effect of hydrogen-rich water consumption on performance, recovery, psychological and biochemical outcomes in elite Czech fin-swimmers.

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Detailed Description

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Twelve Czech national and international-level fin-swimmers participate in this trial. Participants take molecular hydrogen via drinking hydrogen-rich water (HRW) or placebo three days before (1260 ml/day) and during testing day (2520 ml). All participants participate in two testing session and receive HRW and placebo in random order. Each session includes two training units in a 25-m indoor swimming pool and a 24-hour monitored recovery. The first training unit takes place in the morning between 9 and 11 AM and includes three high intensity interval sets. The afternoon training unit includes a continuous 400-m competitive performance. The washout period between testing sessions is 7 days. The variables assessed are as follows: swimming times, heart rate variability, lower limb explosive strength, rating of perceived exertion, subjective perceived muscle soreness, creatine kinase, blood lactate, and protein carbonyls. Statistical analysis is based on analysis of variance for repeated measures with factors: water (HRW and placebo), time, and interaction. Fisher's post-hoc tests is used for pairwise comparisons. The significance level is set at 0.05.

Conditions

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Athletic Performance Muscle Fatigue Oxidative Stress

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Participants Investigators

Visually indistinguishable packages of hydrogen-rich water and placebo.

Study Groups

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Molecular hydrogen

Hydrogen-rich water supplied in 420-ml packages. 3 days before testing day - 3 packages per day, testing day - 6 packages, 15 packages in total.

Group Type EXPERIMENTAL

Hydrogen rich water

Intervention Type DIETARY_SUPPLEMENT

Hydrogen-rich water with molecular hydrogen concentration 0.9 ppm.

Placebo

Tap water supplied in 420-ml packages. 3 days before testing day - 3 packages per day, testing day - 6 packages, 15 packages in total.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DIETARY_SUPPLEMENT

Tap water with molecular hydrogen concentration 0.0 ppm.

Interventions

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Hydrogen rich water

Hydrogen-rich water with molecular hydrogen concentration 0.9 ppm.

Intervention Type DIETARY_SUPPLEMENT

Placebo

Tap water with molecular hydrogen concentration 0.0 ppm.

Intervention Type DIETARY_SUPPLEMENT

Other Intervention Names

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Aquastamina-R, Nutristamina, Ostrava, Czech Republic Aquastamina-Placebo, Nutristamina, Ostrava, Czech Republic

Eligibility Criteria

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Inclusion Criteria

* Junior or adult Czech fin-swimming representative.
* Medical eligibility for competitive sport.
* Good health condition.
* Signed informed consent.

Exclusion Criteria

* Acute health problems.
* Not following instructions (free of any supplements three weeks before experiment, free of any medicaments, no caffeine at least 24 hours before experiment).
* Menstruation in testing session.

Minimum Eligible Age

16 Years

Maximum Eligible Age

30 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes