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Completed

NCT Number: NCT01808716

Effect of Low-level Laser Therapy (808nm) on Marker of Muscle Damage

The study hypothesis is a decreased muscle damage induced by exercises when low-level laser therapy is applied on body muscles before exercises.

Completed

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Key information

Conditions

Healthy

Age range

25 year–35 year

Sex eligibility

Male

Study type

Interventional

Phase

Not applicable

Primary location

Federal Univesity of Rio Grande do Norte

Natal, Rio Grande do Norte, 59072-970, Brazil

About this study

The study assessed males submitted to exercise to induce muscle damage. Creatine kinase levels in blood was quantified in order to identify the magnitude of muscle damage.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • healthy males,
  • physically active,
  • aged between 25-40 years.

Exclusion criteria

  • smoker, or
  • under medicine as anti-inflammatory and/or any drug that could affect normal and physiological conditions and lesion in upper limbs.

Treatment and study plan

Low-level laser therapy (808nm) and exercise

Device

Use of low-level laser therapy(LLLT)or placebo-LLLT applied on biceps brachii for muscle damage recovery

Other names: Laser device (808nm; 100mW; DMC®, Brazil), Low-level laser therapy, Muscle damage, Muscle recovery

Primary outcomes

  1. Creatine Kinase analysis in blood

    Time frame: 72 hours

    Evaluation of Creatine Kinase (CK) levels in blood before, immediately after and 24h, 48h and 72h after protocol of exercise to induce muscle damage

Sponsors and collaborators

Lead sponsor

Universidade Federal de Sao Carlos

Other

Collaborators

  • Universidade Federal do Rio Grande do Norte

Registry information

Official study title

Effect of Low-level Laser Therapy (808nm) on Marker of Muscle Damage: Randomized Double-blind Placebo-controlled Study

Important dates

Study start
2011
Primary completion
2011
Study completion
2012
First posted
Mar 11, 2013
Registry last updated
Mar 11, 2013

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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