- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03803956
Infrared Low-level Laser Therapy Before Intense Progressive Running Test of High-level Soccer Players
Infrared Low-level Laser Therapy (Photobiomodulation Therapy) Before Intense Progressive Running Test of High-level Soccer Players: Effects on Functional, Muscle Damage, Inflammatory and Oxidative Stress Markers
Photobiomodulation therapy (PBMT) has recently been used to alleviate postexercise muscle fatigue and enhance muscle recovery, demonstrating positive results. A previous study by the investigator's research group demonstrated the optimal dose and the optimal output power (100 mW) for an infrared wavelength (810 nm). However, the effects of optimized PBMT on performance and post-exercise recovery in high-level soccer players, to date have not been evaluated.
The present research project aims to evaluate the effects of PBMT (using low-level laser therapy) applied before a progressive running test on functional, muscle damage, inflammatory and oxidative stress markers in high-level soccer players.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
To achieve the proposed objective it will perform a randomized, crossover triple-blinded, placebo-controlled trial, with high-level soccer players as volunteers.
Twenty-two volunteers will be randomly allocated to two intervention groups: active or placebo PBMT before a progressive running test (ergospirometry test).
The blood samples for biochemical analysis will be obtained before and after a progressive running test, and another outcomes (functional) will be obtained during the test.
The data will be collected by a blind assessor. The statistical analysis will follow the intention-to-treat principles and data on functional analysis will be analyzed using the paired and two-tailed t-student test. Data on biochemical analysis will be analyzed using two-way ANOVA, followed by Bonferroni post hoc test.
The investigators will analyze: functional aspects (rates of oxygen uptake -VO2max (absolute and relative), aerobic and anaerobic threshold and time until exhaustion), muscle damage (creatine-kinase -CK and lactate dehydrogenase -LDH), inflammatory markers (IL-1β, IL-6 and TNF-α) and oxidative stress markers (Thiobarbituric acid -TBARS, catalase - CAT, superoxidedismutase - SOD and carbonylated proteins).
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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São Paulo, Brazil, 01504-001
- Laboratory of Phototherapy and Innovative Technologies in Health
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- High-level soccer players;
- Age between 18 and 35 years;
- Male gender;
- Minimum of 80% participation in team practice sessions;
- Agreement to participate through signed statement of informed consent.
Exclusion Criteria:
- History of musculoskeletal injury to hips or knees in previous 2 months;
- Use of pharmacological agents or nutritional supplements;
- Smokers and alcoholics;
- Occurrence of musculoskeletal injury during the trial;
- Any change in practice routine in relation to rest of the team during the trial.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: Triple
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Active Comparator: Active PBMT
Application of PBMT (Photobiomodulation Therapy) with a total dose of 850 Joules.
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The PBMT will be performed using the dose of 10J per diode, previously determined by a previous study and power output of 100 mW per diode, also previously determined.
PBMT will be performed at nine different sites of the knee extensor muscles, six different sites of the knee flexor muscles and two different sites of the plantar flex muscles.
As the cluster will be 5 diodes and 17 different sites will be irradiated, a total of 85 points will be irradiated in each lower limb, a total of 850 J of energy.
The active PBMT will be performed before a progressive running test.
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Placebo Comparator: Placebo PBMT
Application of placebo PBMT (Photobiomodulation Therapy) without any dose (0 Joule).
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The placebo PBMT will per performed using the dose of 0 J per diode.
Placebo PBMT will be performed at nine different sites of the knee extensor muscles, six different sites of the knee flexor muscles and two different sites of the plantar flex muscles.
As the cluster will be 5 diodes and 17 different sites will be irradiated, a total of 85 points will be irradiated in each lower limb, a total of 0 J of energy.
To ensure blinding, the device emitted the same sound regardless of the programmed mode (active or placebo PBMT).
The placebo PBMT will be performed before a progressive running test.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Rates of oxygen uptake (VO2max).
Time Frame: Immediately after (1 minute) of ergospirometry test. Observation: the rates of oxygen uptake (relative and absolute) will be measured during the progressive running test.
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The rates of oxygen uptake will be measured by an ergospirometry test.
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Immediately after (1 minute) of ergospirometry test. Observation: the rates of oxygen uptake (relative and absolute) will be measured during the progressive running test.
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Aerobic threshold.
Time Frame: Immediately after (1 minute) of ergospirometry test. Observation: the aerobic threshold will be measured during the progressive runThe aerobic and anaerobic threshold will be measured during the progressive running test.
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The aerobic threshold will be measured by an ergospirometry test.
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Immediately after (1 minute) of ergospirometry test. Observation: the aerobic threshold will be measured during the progressive runThe aerobic and anaerobic threshold will be measured during the progressive running test.
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Anaerobic threshold.
Time Frame: Immediately after (1 minute) of ergospirometry test (progressive running test). Observation: the aerobic threshold will be measured during the progressive running test.
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The anaerobic threshold will be measured by an ergospirometry test.
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Immediately after (1 minute) of ergospirometry test (progressive running test). Observation: the aerobic threshold will be measured during the progressive running test.
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Activity of creatine kinase - CK.
Time Frame: The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Muscle damage will be measured by blood samples.
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The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Activity of lactate dehydrogenase - LDH.
Time Frame: The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Muscle damage will be measured by blood samples.
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The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Levels of interleukin 1 beta - IL-1b.
Time Frame: The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Inflammation will be measured by blood samples.
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The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Levels of interleukin 6 - IL-6.
Time Frame: The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Inflammation will be measured by blood samples.
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The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Levels of tumor necrosis factor alpha - TNF-a.
Time Frame: The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Inflammation will be measured by blood samples.
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The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Levels of Thiobarbituric acid - TBARS
Time Frame: The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Oxidative stress will be measured by blood samples.
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The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Levels of carbonylated proteins.
Time Frame: The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Oxidative stress will be measured by blood samples.
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The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Activity of catalase - CAT.
Time Frame: The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Oxidative stress will be measured by blood samples.
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The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Activity of superoxidedismutase - SOD.
Time Frame: The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Oxidative stress will be measured by blood samples.
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The blood samples will be collected 5 minutes after the ergospirometry test (progressive running test).
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Time until exhaustion.
Time Frame: Immediately after (1 minute) of ergospirometry test (progressive running test). Observation: the time until exhaustion will be measured during the progressive running test.
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The time until exhaustion will be measured by the software of ergospirometry system.
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Immediately after (1 minute) of ergospirometry test (progressive running test). Observation: the time until exhaustion will be measured during the progressive running test.
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Ernesto Cesar Leal Junior, PhD, University of Nove de Julho
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 397774/2011
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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