Muscle RecoveryPBMTNCT07511803

Photobiomodulation on Recovery in Female Futsal Athletes

A study testing Active PBMT in people with Muscle Recovery and Exercise, run by Universidade Norte do Paraná.

Not yet recruiting

Opening soon. The study is approved but enrolment has not started yet. Sites may already take enquiries.

Trial summary

The aim of this study is to investigate the effects of photobiomodulation therapy (PBMT) on recovery after high-intensity, intermittent exercises in female futsal athletes. It is hypothesized that PBMT is superior to placebo condition in improving the recovery of muscle function after high-intensity, intermittent… Read more about this study

Who is it for?: Ages 18 to 35 years, women onlyHealthy volunteers can take part
Conditions the study is for: Muscle Recovery, Exercise, Phototherapy
What is being tested?: Active PBMT
Type of treatment: Medical device
Could I receive a placebo?: Yes, some participants may receive a placebo
How many people: 15 participants
Where: No sites listed yet
Study dates: 15 Apr 2026to 10 Jun 2026
Phase: Interventional
Are there results?: Not yet: the study is under way

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

Ages 18 to 35 years
Women only
Healthy volunteers accepted
Adult

Who may be able to join

Women aged 18-35 years
Be a futsal athlete for at least 2 years

Who cannot join

Users of tobacco products
Use of nutritional supplements or anabolic steroid hormones for at least 6 months prior to the study

About this study

Official title: Effects of Photobiomodulation Therapy on Recovery After Exercise in Female Futsal Athletes

Read the detailed description

The aim of this project is to investigate the effects of photobiomodulation therapy (PBMT) on recovery of muscle function after high-intensity, intermittent exercises in female futsal athletes. A crossover experimental studies will be conducted with 15 female futsal athletes. Participants will undergo two consecutive blocks (B1 and B2) involving the Bangsbo sprint test (BST) and the yoyo intermittent recovery level-1 (YYIR1) at two time points (M1 and M2), separated by a 2-week washout period. PBMT will be applied in the 10-minute interval between blocks B1 and B2. PBMT will be applied according to the randomization order at M1 and M2, so that the participant who receives active PBMT at M1 will receive placebo PBMT at M2, and vice versa. The following variables will be analyzed in the BST: (1) Best Time: the shortest time obtained in the sprints, (2) Total Time (TT): the sum of the time of all sprints, and (4) Fatigue Index (FI): the difference between the worst and best times. For the yo-yo test, the total distance covered will be analyzed as an indicator of aerobic performance. In addition, the rating of perceived exertion (RPE) will be measured immediately after each test in blocks B1 and B2.

Conditions: Muscle Recovery, Exercise, Phototherapy, Futsal
Being tested: Active PBMT, Placebo PBMT
Keywords: Muscle recovery, Exercise, Phototherapy, futsal
Medical subject headings: Motor Activity

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Active PBMTDevice
Participants will receive the active Photobiomodulation
Placebo PBMTDevice
Participants will receive the placebo Photobiomodulation

Study groups in NCT07511803
Study group	Role	What they receive
Active PBMT	Experimental	Participants will receive the active Photobiomodulation Receives: Device: Active PBMT
Placebo PBMT	Placebo comparator	Participants will receive the placebo Photobiomodulation Receives: Device: Placebo PBMT

What is being measured

The primary outcome is the main question the study is designed to answer.

Physical performance in the Bangsbo Sprint Test
The ability to perform repeated sprints with changes of direction will be assessed using the Bangsbo sprint test (BST). The test consists of seven sprints of 34.2 meters between the starting cone (A) and the finishing cone (E), interspersed with a 25-second active recovery period. During recovery, participants perform a light jog back to the starting point (cone A). The change of direction (right or left) between cones B and C in the first sprint is determined by each participant's individual preference, and subsequent sprints are performed alternately between the right and left sides. Participants will be verbally encouraged to perform their best in all sprints. The following variables were analyzed: total time (sum of all sprints), and fatigue index (FI) = 100 - (average time/best time) x 100). The BST is considered valid and reliable for analyzing aerobic recovery capacity.
Measured: Baseline (M1) and after 2 weeks (M2)
Performance in Yoyo intermittent recovery level 1
Aerobic recovery capacity in high-intensity intermittent running will be assessed using the yo-yo intermittent recovery test level 1 (YYIR1). The protocol consists of 40-meter runs (stages) between cones B and C (20 m out + 20 m back) followed by 10 seconds of active recovery between cones A and B (walking a 5 m path). The initial speed of the test is 10 km/h, with a progressive increase in speed by auditory stimulus (beeps) (the time between "beeps" decreases at each stage, forcing the athlete to run faster). The test is terminated when the participant does not reach the marking line (cone B) within the stipulated time in two attempts (even if not consecutive) or is unable to continue the test due to fatigue/exhaustion (6). Participants are verbally encouraged to perform as well as possible during the test. The total distance covered (in meters) will be used as a variable for aerobic performance. The YYIR1 test is considered valid and reliable for analyzing aerobic recovery capacity.
Measured: Baseline (M1) and after 2 weeks (M2)
Rating of perceived exertion (RPE)
The RPE will be recorded immediately after the Bangsbo and YYIR1 tests, using the Borg 6-20 scale. The scale contains 15 points ranging from 6 "no effort" to 20 "maximum effort", and the participant indicate a number on the scale that represent their perceived exertion at that moment. RPE is a simple, valid and reliable instrument for assessing perceived exertion in running tests. All participants will be previously familiarized with the scale through the cognitive anchoring procedure.
Measured: Baseline (M1) and after 2 weeks (M2)

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

15 Apr 202610 Jun 2026

First posted6 Apr 2026
Study start15 Apr 2026 (estimated)
Primary completion1 Jun 2026 (estimated)
Study completion10 Jun 2026 (estimated)

Resources

Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
Publications (5)Papers the sponsor has linked to this study.
Other trials for Muscle RecoveryStudies of the same condition, open and under way.
What the trial phases meanHow a treatment moves from first tests in people to approval.

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design

Study type: Interventional
Phase: Phase N/A
Primary purpose: Treatment
Allocation: Randomised
Intervention model: Crossover
Masking: Double blind
Who is masked: Participant, Outcomes assessor
Enrolment: 15 participants (estimated)

IDs, dates and publications

ClinicalTrials.gov ID: NCT07511803
Sponsor's protocol ID: Study 2 - PBMT and recovery
Acronym: PBMT
Status last verified: Mar 2026
First submitted: 30 Mar 2026
Last updated: 6 Apr 2026
Results posted: No
Data monitoring committee: Yes
FDA-regulated drug: No
FDA-regulated device: No

Publications

Bangsbo J, Iaia FM, Krustrup P. The Yo-Yo intermittent recovery test : a useful tool for evaluation of physical performance in intermittent sports. Sports Med. 2008;38(1):37-51. doi: 10.2165/00007256-200838010-00004.
PubMed 18081366
Wragg CB, Maxwell NS, Doust JH. Evaluation of the reliability and validity of a soccer-specific field test of repeated sprint ability. Eur J Appl Physiol. 2000 Sep;83(1):77-83. doi: 10.1007/s004210000246.
PubMed 11072777
Altmann S, Ringhof S, Neumann R, Woll A, Rumpf MC. Validity and reliability of speed tests used in soccer: A systematic review. PLoS One. 2019 Aug 14;14(8):e0220982. doi: 10.1371/journal.pone.0220982. eCollection 2019.
PubMed 31412057
Schmitz B, Pfeifer C, Kreitz K, Borowski M, Faldum A, Brand SM. The Yo-Yo Intermittent Tests: A Systematic Review and Structured Compendium of Test Results. Front Physiol. 2018 Jul 5;9:870. doi: 10.3389/fphys.2018.00870. eCollection 2018.
PubMed 30026706
Doherty M, Smith PM, Hughes MG, Collins D. Rating of perceived exertion during high-intensity treadmill running. Med Sci Sports Exerc. 2001 Nov;33(11):1953-8. doi: 10.1097/00005768-200111000-00023.
PubMed 11689749

Interested in taking part?

The sponsor has not listed a contact. The official record may have more details.

Talk to your doctor first and take this page with you. Only the study team can confirm whether you can join.

Questions to ask the study team

What is the study trying to find out?
What would I need to do, and how often would I visit?
Could I receive a placebo instead of the treatment?
What are the possible risks and benefits for me?
Will it cost me anything? Are travel or time paid for?
Can I keep seeing my own doctor during the study?
What happens when the study ends?

Official record

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Recovery After Fatigue in Young Athletes: Comparison Between TECAR Therapy and Cycle Ergometer"
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Acute Effects of High-Intensity Laser Therapy on Pain, Muscle Stiffness, and Grip Strength in Healthy Adults
Exercise-Induced Muscle Fatigue, Fatigue Recovery
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Early Botulinum Toxin for Muscle Stiffness Reduction in First-Time Stroke Patients: Improving Recovery and Independence
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All Muscle Recovery trials

Study at a glance

From the registry record, last updated by the sponsor on 6 Apr 2026. Recruitment status is as the sponsor reported it: confirm with the study team.

Official title: Effects of Photobiomodulation Therapy on Recovery After Exercise in Female Futsal Athletes
ClinicalTrials.gov ID: NCT07511803
Acronym / sponsor ID: PBMT / Study 2 - PBMT and recovery
Conditions: Muscle Recovery, Exercise, Phototherapy, Futsal
Keywords: Muscle recovery, Exercise, Phototherapy, futsal
Study type: Interventional
Recruitment status: Not yet recruiting
Enrolment: 15 participants (estimated)
Lead sponsor: Universidade Norte do ParanáUniversity, hospital or other
Study start: 15 Apr 2026 (estimated)
Primary completion: 1 Jun 2026 (estimated)
Study completion: 10 Jun 2026 (estimated)
First posted: 6 Apr 2026 (actual)
Results: Not posted in the source record

Clinical summary

The research question as the sponsor registered it. This describes what the study plans to test, not what it found.

Detailed description

Study design

Primary purpose: Treatment
Allocation: Randomised
Intervention model: Crossover
Masking: Double blind (participant, outcomes assessor)
Number of arms: 2

Arm	Type	Receives
Active PBMT	Experimental	Device: Active PBMTParticipants will receive the active Photobiomodulation
Placebo PBMT	Placebo comparator	Device: Placebo PBMTParticipants will receive the placebo Photobiomodulation

Who may qualify

Ages: 18 to 35 years
Sex: Female only
Healthy volunteers: Accepted
Age groups: Adult

Key inclusion criteria (2 listed)

Women aged 18-35 years
Be a futsal athlete for at least 2 years

Key exclusion criteria (2 listed)

Users of tobacco products
Use of nutritional supplements or anabolic steroid hormones for at least 6 months prior to the study

Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.

Interventions

Intervention	Type	Arms
Active PBMTParticipants will receive the active Photobiomodulation	Device	Active PBMT
Placebo PBMTParticipants will receive the placebo Photobiomodulation	Device	Placebo PBMT

Primary outcome

Physical performance in the Bangsbo Sprint Test
Time frame: Baseline (M1) and after 2 weeks (M2)
The ability to perform repeated sprints with changes of direction will be assessed using the Bangsbo sprint test (BST). The test consists of seven sprints of 34.2 meters between the starting cone (A) and the finishing cone (E), interspersed with a 25-second active recovery period. During recovery, participants perform a light jog back to the starting point (cone A). The change of direction (right or left) between cones B and C in the first sprint is determined by each participant's individual preference, and subsequent sprints are performed alternately between the right and left sides. Participants will be verbally encouraged to perform their best in all sprints. The following variables were analyzed: total time (sum of all sprints), and fatigue index (FI) = 100 - (average time/best time) x 100). The BST is considered valid and reliable for analyzing aerobic recovery capacity.
Performance in Yoyo intermittent recovery level 1
Time frame: Baseline (M1) and after 2 weeks (M2)
Aerobic recovery capacity in high-intensity intermittent running will be assessed using the yo-yo intermittent recovery test level 1 (YYIR1). The protocol consists of 40-meter runs (stages) between cones B and C (20 m out + 20 m back) followed by 10 seconds of active recovery between cones A and B (walking a 5 m path). The initial speed of the test is 10 km/h, with a progressive increase in speed by auditory stimulus (beeps) (the time between "beeps" decreases at each stage, forcing the athlete to run faster). The test is terminated when the participant does not reach the marking line (cone B) within the stipulated time in two attempts (even if not consecutive) or is unable to continue the test due to fatigue/exhaustion (6). Participants are verbally encouraged to perform as well as possible during the test. The total distance covered (in meters) will be used as a variable for aerobic performance. The YYIR1 test is considered valid and reliable for analyzing aerobic recovery capacity.
Rating of perceived exertion (RPE)
Time frame: Baseline (M1) and after 2 weeks (M2)
The RPE will be recorded immediately after the Bangsbo and YYIR1 tests, using the Borg 6-20 scale. The scale contains 15 points ranging from 6 "no effort" to 20 "maximum effort", and the participant indicate a number on the scale that represent their perceived exertion at that moment. RPE is a simple, valid and reliable instrument for assessing perceived exertion in running tests. All participants will be previously familiarized with the scale through the cognitive anchoring procedure.

Results and safety

This study is still under way. Results are not available in the source record yet.

Research links

Official record on ClinicalTrials.govLast updated by the sponsor 6 Apr 2026.
Background: PubMed 18081366Bangsbo J, Iaia FM, Krustrup P. The Yo-Yo intermittent recovery test : a useful tool for evaluation of physical performance in intermittent sports. Sports Med. 2008;38(1):37-51. doi: 10.2165/00007256-200838010-00004.
Background: PubMed 11072777Wragg CB, Maxwell NS, Doust JH. Evaluation of the reliability and validity of a soccer-specific field test of repeated sprint ability. Eur J Appl Physiol. 2000 Sep;83(1):77-83. doi: 10.1007/s004210000246.
Background: PubMed 31412057Altmann S, Ringhof S, Neumann R, Woll A, Rumpf MC. Validity and reliability of speed tests used in soccer: A systematic review. PLoS One. 2019 Aug 14;14(8):e0220982. doi: 10.1371/journal.pone.0220982. eCollection 2019.
Background: PubMed 30026706Schmitz B, Pfeifer C, Kreitz K, Borowski M, Faldum A, Brand SM. The Yo-Yo Intermittent Tests: A Systematic Review and Structured Compendium of Test Results. Front Physiol. 2018 Jul 5;9:870. doi: 10.3389/fphys.2018.00870. eCollection 2018.
Background: PubMed 11689749Doherty M, Smith PM, Hughes MG, Collins D. Rating of perceived exertion during high-intensity treadmill running. Med Sci Sports Exerc. 2001 Nov;33(11):1953-8. doi: 10.1097/00005768-200111000-00023.

Related trials for Muscle Recovery

Recruiting
Acute Effects of Post-Exercise Hyperoxia on Recovery in Cycling
Athletic Performance, Hyperbaric Oxygenation
Recruiting
Recovery After Fatigue in Young Athletes: Comparison Between TECAR Therapy and Cycle Ergometer"
Muscle Fatigue, Healthy Adult
Not yet recruiting
Acute Effects of High-Intensity Laser Therapy on Pain, Muscle Stiffness, and Grip Strength in Healthy Adults
Exercise-Induced Muscle Fatigue, Fatigue Recovery
Not yet recruitingEarly Phase 1
Early Botulinum Toxin for Muscle Stiffness Reduction in First-Time Stroke Patients: Improving Recovery and Independence
Spasticity, Stroke
Recruiting
Shower Gel and Participant-Reported Post-Exercise Soreness in Regular Exercisers
Post-Exercise Recovery, Muscle Soreness

Referral and contact

AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part.

The record lists no contact. Use the official record to reach the sponsor.

Questions about this trial

What is this clinical trial studying?

A study testing Active PBMT in people with Muscle Recovery and Exercise, run by Universidade Norte do Paraná.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 2 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: opening soon, as of the sponsor's last update on 6 Apr 2026. Status can change between updates, so confirm with the study contact before making plans.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

This study is still under way. Results are not available in the source record yet.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Physical performance in the Bangsbo Sprint Test (time frame: Baseline (M1) and after 2 weeks (M2)). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT07511803, which also lists 5 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 6 Apr 2026.