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Effects of Phototherapy by Light-emitting Diode Therapy (LEDT) on Clinical, Biochemical and Biomechanical of Muscle Performance in Athletes

This study has been completed.
Sponsor:
Collaborators:
Fundação de Amparo à Pesquisa do Estado de São Paulo
Centro de Pesquisa em Óptica e Fotônica de São Carlos (CePOF)
Information provided by (Responsible Party):
Cleber Ferraresi, Universidade Federal de Sao Carlos
ClinicalTrials.gov Identifier:
NCT01770977
First received: September 15, 2012
Last updated: January 15, 2013
Last verified: September 2012
History of Changes
  Purpose

Light-emitting diode Therapy (LEDT) has been used to improve human muscle performance in experimental models and human researches. Now, the investigators used LEDT to increase muscle performance of professional athletes with high performance.


Condition Intervention
Athlete
 Device: Light-emitting diode therapy
Device: Placebo light-emitting diode therapy

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Crossover Assignment
Masking: Double Blind (Subject, Investigator)
Primary Purpose: Treatment
Official Title: Effects of Phototherapy by Light-emitting Diode Therapy (LEDT) on Clinical, Biochemical and Biomechanical of Muscle Performance in Athletes

Further study details as provided by Universidade Federal de Sao Carlos:

Primary Outcome Measures:
  • Functional performance [ Time Frame: 6 weeks ] [ Designated as safety issue: No ]
    Muscle performance in vertical jump and running


Secondary Outcome Measures:
  • Biochemical analysis [ Time Frame: 1 week ] [ Designated as safety issue: No ]
    Blood lactate and creatine kinase assessments


Other Outcome Measures:
  • Aerobic performance [ Time Frame: 6 weeks ] [ Designated as safety issue: No ]
    oxygen uptake (VO2) and its onset kinetic response.


Enrollment: 45
Study Start Date: May 2012
Study Completion Date: September 2012
Primary Completion Date: July 2012 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Active Comparator: Effective Light-emitting diode therapy
Effects of light-emitting diode therapy on clinical, biochemical and biomechanical of muscle performance in athletes
 Device: Light-emitting diode therapy
Other Names:
  • LED
  • Light-emitting diode therapy
  • LED therapy
Placebo Comparator: Placebo light-emitting diode therapy
Effect of placebo light-emitting diode therapy on clinical, biochemical and biomechanical of muscle performance in athletes
 Device: Placebo light-emitting diode therapy
Other Names:
  • Other Names:
  • LED
  • Light-emitting diode therapy
  • LED therapy

Detailed Description:

The study assessed muscle performance by vertical jump (height of jump and muscle power); creatine kinase; lactate; metabolism by resonance nuclear magnetic in urine; oxygen uptake (VO2) and its onset kinetic response.

  Eligibility

Ages Eligible for Study:   14 Years to 28 Years
Genders Eligible for Study:   Male
Accepts Healthy Volunteers:   Yes
Criteria

Inclusion Criteria:

  • professional athletes aged between 14 and 16 years;
  • professional athletes aged between 18 and 28 years

Exclusion Criteria:

  • previous injury to the femoral quadriceps or hamstring muscles,
  • osseous or articular disorder in the lower limbs,
  • cardiovascular system disorders,
  • systemic disease.
  Contacts and Locations
Please refer to this study by its ClinicalTrials.gov identifier: NCT01770977

Locations
Brazil
Federal University of São Carlos
São Carlos, São Paulo, Brazil, 13565-905
Sponsors and Collaborators
Universidade Federal de Sao Carlos
Fundação de Amparo à Pesquisa do Estado de São Paulo
Centro de Pesquisa em Óptica e Fotônica de São Carlos (CePOF)
Investigators
Principal Investigator: Cleber Ferraresi, MSc Universidade Federal de Sao Carlos
Study Director: Nivaldo A Parizotto, PhD Universidade Federal de Sao Carlos
Study Director: Vanderlei S Bagnato, PhD University of São Paulo
  More Information

Publications:

Responsible Party: Cleber Ferraresi, MSc, Universidade Federal de Sao Carlos
ClinicalTrials.gov Identifier: NCT01770977     History of Changes
Other Study ID Numbers: CAAE: 0327.0.135.000-11
Study First Received: September 15, 2012
Last Updated: January 15, 2013
Health Authority: Brazil: National Committee of Ethics in Research

Keywords provided by Universidade Federal de Sao Carlos:
Light-emitting diode therapy
Muscle performance
Aerobic performance
Lactate
Creatine kinase

ClinicalTrials.gov processed this record on June 18, 2013