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HealthyNCT01784432

Effects of Low-level Laser Therapy on Global Gene Expression of Young Males Submitted to Physical Strength Training

A study testing Low-level laser therapy and training and Training in people with Healthy, run by Universidade Federal de Sao Carlos at 1 site in Brazil.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

Muscle performance is largely influenced by modulations in gene expressions of muscle tissue. In this context, low-level laser therapy has been used to improve muscle performance in experimental models and human researches. Read more about this study

Who is it for?
Ages 18 to 28 years, men onlyHealthy volunteers can take part
Conditions the study is for
Healthy
What is being tested?
Low-level laser therapy and training and Training
Type of treatment
Medical device
Could I receive a placebo?
No, everyone receives an active treatment
How many people
30 participants
Where
1 siteBrazil
Study dates
Jan 2011to Sep 2012
Phase
Interventional
Are there results?
None posted in the registry

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 28 years
  • Men only
  • Healthy volunteers accepted
  • Adult

Who may be able to join

  • healthy males aged between 18 and 28 years;
  • body mass index (BMI) equal to or less than 26 kg/m2;
  • moderated pattern of physical activity

Who cannot join

  • previous injury to the femoral quadriceps or hamstring muscles (within 6 months prior to study),
  • osseous or articular disorder in the lower limbs,
  • cardiovascular system disorders,
  • systemic disease, and
  • taking prescription medicines or using dietary supplements such as muscle mass builders

Trial locations and contacts

1 site in 1 country.

Brazil1 site
  • Federal University of São Carlos

    São Carlos, São Paulo, 13565-905

Other trials in Brazil

About this study

Muscle performance is largely influenced by modulations in gene expressions of muscle tissue. In this context, low-level laser therapy has been used to improve muscle performance in experimental models and human researches. Thereby, the investigators examined modulations on global gene expression of muscle tissue influenced by exercise associated to low-level laser therapy.

Read the detailed description

This study assessed muscle performance in isokinetic dynamometry and leg press device; global gene expression of muscle tissue by microarray analysis

Conditions
Healthy
Being tested
Low-level laser therapy and training, Training
Keywords
low-level laser therapy, muscle performance, strength training, gene expression, microarrays

What participants receive

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

  • Low-level laser therapy and trainingDevice

    Also called Laser, Laser therapy, Low-level laser therapy

  • TrainingOther

Study groups in NCT01784432
Study groupRoleWhat they receive
Low-level laser therapy and trainingActive comparatorEffects of low-level laser therapy on muscle performance during physical strength training and gene expression of muscle tissue.
Receives: Device: Low-level laser therapy and training
Training without low-level laser therapyActive comparatorEffects of physical strength training without low-level laser therapy on muscle performance and gene expression of muscle tissue
Receives: Other: Training

What is being measured

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

  1. Global gene expression by microarray analysis

    Measured: 12 weeks

Secondary outcomes (2)
  1. Muscle performance in leg press device

    Measured: 12 weeks

  2. Muscle performance in isokinetic dynamometer

    Measured: 12 weeks

Timeline

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

  1. First posted5 Feb 2013 (estimated)
  2. Study startJan 2011
  3. Primary completionJan 2012
  4. Study completionSep 2012

Resources

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
Factorial
Masking
None (open label)
Enrolment
30 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT01784432
Sponsor's protocol ID
CAAE: 0150.0.135.000-10
Status last verified
Feb 2013
First submitted
15 Sep 2012
Last updated
5 Feb 2013
Results posted
No
Data monitoring committee
Yes

Publications

  • Ferraresi C, de Brito Oliveira T, de Oliveira Zafalon L, de Menezes Reiff RB, Baldissera V, de Andrade Perez SE, Matheucci Junior E, Parizotto NA. Effects of low level laser therapy (808 nm) on physical strength training in humans. Lasers Med Sci. 2011 May;26(3):349-58. doi: 10.1007/s10103-010-0855-0. Epub 2010 Nov 18.

    PubMed 21086010
  • Vieira WH, Ferraresi C, Perez SE, Baldissera V, Parizotto NA. Effects of low-level laser therapy (808 nm) on isokinetic muscle performance of young women submitted to endurance training: a randomized controlled clinical trial. Lasers Med Sci. 2012 Mar;27(2):497-504. doi: 10.1007/s10103-011-0984-0. Epub 2011 Aug 26.

    PubMed 21870127

Questions about this trial

What is this clinical trial studying?

A study testing Low-level laser therapy and training and Training in people with Healthy, run by Universidade Federal de Sao Carlos at 1 site in Brazil.

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 3 inclusion and 5 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: finished, as of the sponsor's last update on 5 Feb 2013. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Brazil. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. 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?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

Global gene expression by microarray analysis (time frame: 12 weeks). 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 NCT01784432, which also lists 2 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 5 Feb 2013.

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