comparison of the effect of a low level diode laser with Naproxen on low back pai

Not Applicable

Conditions: Mechanical low back pain.
low back pain
M54.5

Registration Number: IRCT20111121008146N32

Lead Sponsor: Shahid Beheshti University of Medical Sciences

Brief Summary: Not available

Detailed Description: Not available

Recruitment & Eligibility

Status: Complete

Sex: All

Target Recruitment: 40

Inclusion Criteria

complaint of chronic mechanical low back pain (more than 3 months)
pain severity : 3-10 according to the visual analogue scale of pain (VAS)
at least 20 years old
signing the written informed consent

Exclusion Criteria

Radiculopathy
Subjects with a history of motor or sensory deficits
Pregnancy
NSAIDs-induced serious gastrointestinal problems such as bleeding/perforation
a need to emergent/urgent surgery
malignancy
active gastric ulcers
aspirin sensitivity
Rheumatologic diseases
undertreated severe depression

Study & Design

Study Type: interventional

Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Pain severity ( from 0 to 10) based on visual analogue scale. Timepoint: Evaluation of low back pain severity before intervention and at the end of the first and third months after the treatment. Method of measurement: visual analogue scale.;Functional status. Timepoint: evaluation of the functional status before the intervention and at the end of the first and third months after the treatment. Method of measurement: Ronald-Morris disability questionnaire (RMDQ).;Anterior and lateral flexion range of motion (ROM) of vertebral column in Cm. Timepoint: Before the intervention and at the end of the first and third months after the treatment. Method of measurement: Physical examination.;Spinal tenderness. Timepoint: Before the intervention and at the end of the first and third months after the treatment. Method of measurement: Physical examination.

Secondary Outcome Measures

Name	Time	Method
Patients´ satisfaction with the treatment process. Timepoint: At the end of the first and third months after the treatment. Method of measurement: Questionnaire.