NCT03879226

Brief Summary

In last years it has been demonstrated that photobiomodulation therapy (PBMT) has ergogenic effects. However some key aspects, such as the potentially beneficial effects of PBMT during the detraining period still remain unknown. Therefore, the aim of this project is to evaluate the effects of PBMT applied before and after aerobic training sessions and during the detraining period.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
60

participants targeted

Target at P25-P50 for not_applicable

Timeline
Completed

Started Mar 2019

Shorter than P25 for not_applicable

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 15, 2019

Completed
3 days until next milestone

First Posted

Study publicly available on registry

March 18, 2019

Completed
7 days until next milestone

Study Start

First participant enrolled

March 25, 2019

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 25, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 25, 2019

Completed
Last Updated

September 3, 2019

Status Verified

August 1, 2019

Enrollment Period

5 months

First QC Date

March 15, 2019

Last Update Submit

August 30, 2019

Conditions

Keywords

Photobiomodulation TherapyLow-level Laser TherapyAerobic Endurance

Outcome Measures

Primary Outcomes (1)

  • Time until exhaustion.

    The time until exhaustion will be measured by the software of ergospirometry system.

    16 weeks - 4 weeks after completing the training (detraining period).

Secondary Outcomes (3)

  • Time until exhaustion.

    4, 8, and 12 weeks after starting the training period.

  • Maximum oxygen consumption (VO2).

    4, 8, and 12 weeks after starting the training period, and at 4 weeks after completing the training (detraining period).

  • Fat percentage.

    4, 8, and 12 weeks after starting the training period, and at 4 weeks after completing the training (detraining period).

Study Arms (4)

PBMT + training/ PBMT + detraining

EXPERIMENTAL

PBMT applied before and after the aerobic training sessions (12 weeks, 3 times a week) and PBMT applied during the detraining period (4 weeks, 3 times a week).

Device: PBMT

PBMT + training/ placebo + detraining

EXPERIMENTAL

PBMT applied before and after the aerobic training sessions (12 weeks, 3 times a week) and placebo applied during the detraining period (4 weeks, 3 times a week).

Device: PBMTDevice: Placebo

Placebo + training/ PBMT + detraining

EXPERIMENTAL

Placebo applied before and after the aerobic training sessions (12 weeks, 3 times a week) and PBMT applied during the detraining period (4 weeks, 3 times a week).

Device: PBMTDevice: Placebo

Placebo + training/ placebo + detraining

PLACEBO COMPARATOR

Placebo applied before and after the aerobic training sessions (12 weeks, 3 times a week) and placebo applied during the detraining period (4 weeks, 3 times a week).

Device: Placebo

Interventions

PBMTDEVICE

PBMT will be applied bilaterally using the direct contact method with light pressure on the skin at different sites, namely 9 sites on the knee extensor muscles, 6 sites on the knee flexor muscles, and 2 sites on the plantar flexor muscles. A 12-diode cluster, with 4 905-nm laser diodes (12.5W peak power for each diode), 4 875-nm LED diodes (17.5 mW mean power for each diode), and 4 640-nm LED diodes (15 mW mean power for each diode), manufactured by Multi Radiance Medical® (Solon, OH, USA), will be used to apply the PBMT. The dose used for the applications during the training and/or detraining periods will be 30 Joules (J) per site (510 J per lower limb). PBMT will be applied before and after each training session and during the detraining period, depending on the group to which the volunteers are allocated.

PBMT + training/ PBMT + detrainingPBMT + training/ placebo + detrainingPlacebo + training/ PBMT + detraining
PlaceboDEVICE

Placebo will be applied bilaterally using the direct contact method with light pressure on the skin at different sites, namely 9 sites on the knee extensor muscles, 6 sites on the knee flexor muscles, and 2 sites on the plantar flexor muscles. The placebo PBMT will per performed using the dose of 0 J per diode. The sounds and signals emitted from the device as well as the information displayed on the screen will be identical, regardless of the type of treatment (active or placebo). Placebo will be applied before and after each training session and during the detraining period, depending on the group to which the volunteers are allocated.

PBMT + training/ placebo + detrainingPlacebo + training/ PBMT + detrainingPlacebo + training/ placebo + detraining

Eligibility Criteria

Age18 Years - 35 Years
Sexmale(Gender-based eligibility)
Healthy VolunteersYes
Age GroupsAdult (18-64)

You may qualify if:

  • Healthy men;
  • Aged from 18 to 35 years;
  • Complete at least 80% of the study procedures will be included in the study.

You may not qualify if:

  • History of musculoskeletal injury in the hip and knee regions in the 2 months before the study;
  • Become injured during the study;
  • Regularly use pharmacological agents and/ or nutritional supplements;
  • Signs and symptoms of any neurological, metabolic, inflammatory, pulmonary, oncological, or cardiovascular disease that may limit the execution of high-intensity exercises.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Laboratory of Phototherapy and Innovative Technologies in Health

São Paulo, São Paulo, 01504-001, Brazil

Location

Related Publications (2)

  • de Paiva PRV, Casalechi HL, Tomazoni SS, Machado CDSM, Ribeiro NF, Pereira AL, de Oliveira MFD, Alves MNDS, Dos Santos MC, Takara IET, Miranda EF, de Carvalho PTC, Leal-Junior ECP. Does the combination of photobiomodulation therapy (PBMT) and static magnetic fields (sMF) potentiate the effects of aerobic endurance training and decrease the loss of performance during detraining? A randomised, triple-blinded, placebo-controlled trial. BMC Sports Sci Med Rehabil. 2020 Apr 10;12:23. doi: 10.1186/s13102-020-00171-2. eCollection 2020.

  • de Paiva PRV, Casalechi HL, Tomazoni SS, Machado CDSM, Miranda EF, Ribeiro NF, Pereira AL, da Costa AS, Dias LB, Souza BCG, Aguiar Lino MM, de Carvalho PTC, Leal-Junior ECP. Effects of photobiomodulation therapy in aerobic endurance training and detraining in humans: Protocol for a randomized placebo-controlled trial. Medicine (Baltimore). 2019 May;98(18):e15317. doi: 10.1097/MD.0000000000015317.

Study Officials

  • Ernesto Cesar Pinto Leal Junior, PhD

    University of Nove de Julho

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Masking Details
A researcher will program the device (placebo or PMBT) and will be instructed not to inform the volunteers or other researchers as to the type of treatment (PMBT or placebo). Therefore, the researcher responsible for the treatment will be blinded to the type of treatment being administered to the volunteers. The sounds and signals emitted from the device as well as the information displayed on the screen will be identical, regardless of the type of treatment (placebo or PBMT).
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Full professor

Study Record Dates

First Submitted

March 15, 2019

First Posted

March 18, 2019

Study Start

March 25, 2019

Primary Completion

August 25, 2019

Study Completion

August 25, 2019

Last Updated

September 3, 2019

Record last verified: 2019-08

Data Sharing

IPD Sharing
Will share

Data will be shared upon request addressed to the principal investigator.

Shared Documents
STUDY PROTOCOL, SAP, CSR

Locations