Effects of Interferential Therapy on the Mechanisms of Pain in Chronic Low Back Pain Without a Specific Cause

Phase 1

Recruiting

• Conditions: onspecific chronic low back pain; C10.597.617.232.400

• Registration Number: RBR-8n4hg2
• Lead Sponsor: niversidade Cidade de São Paulo

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2013-01-05
• Last Update Posted: 29 May 2023

Recruitment & Eligibility

• Status: recruiting
• Sex: Not specified
• Target Recruitment: Not specified

Inclusion Criteria

Patients presenting nonspecific low back pain for at least 3 months and with at least 3 of pain intensity in verbal numerical pain scale reported according to how they felt in the last 7 days, aged between 18 and 80 years, both genders

Exclusion Criteria

Patients with serious spinal diseases, such as fractures, tumors and inflammatory diseases such as ankylosing spondylitis, spinal root conditions confirmed by neurological tests (spondylolisthesis and disc herniation with neurological, narrowing spinal canal and others). Severe cardiorespiratory disease. Neurologial diseases. Pregnancy. Infection in the site of the current application. Cancer. Cardiac pacemaker. Skin lesions at the site of the current application. Alterations in sensibility and allergy in the region of electrodes placement.

Study & Design

• Study Type: Intervention
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Intensity of pain before, after all sessions, 20 minutes after turning off the current and after 3 months as measured by the numeric pain scale

Secondary Outcome Measures

Name	Time	Method
Pressure pain threshold (PPT) before, at the end of the treatment protocol and 20 minutes after switching off the current. PPTs will be measured with a pressure algometer. Discomfort during current application in all sessions by visual analog scale, disability before, after treatment and after 3 months by Roland Morris questionnaire, the perception of their overall effect before, after treatment and after three months of the overall perception of the scale, the conditioned modulation of pain using the cold pressor test and temporal summation of pain with stimuli pressure at the start of first and the last application. The functionality by sit/stand test before and at the last minute of current in the first and final session.