Are early somatosensory abnormalities after back pain a biomarker for chronic pain?

Not Applicable

Completed

• Conditions: ow back pain with or without leg pain; Low back pain with or without leg pain; Musculoskeletal - Other muscular and skeletal disorders; Physical Medicine / Rehabilitation - Physiotherapy

• Registration Number: ACTRN12615001080516
• Lead Sponsor: Dr Julia Hush

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2015-10-14
• Study Completion: 2016-08-19
• Last Update Posted: 28 June 2021

Recruitment & Eligibility

• Status: Completed
• Sex: All
• Target Recruitment: 73

Inclusion Criteria

At least 18 years of age; low back pain with or without leg pain; pain duration within 3 weeks from onset; average pain intensity over the last few days at least 3 on a 11-point Numeric Pain Rating Scale.

Exclusion Criteria

Signs or symptoms of serious spinal pathology (e.g. tumor, infection, fracture); any pain condition in the past year that has lasted for >1/12 and affected daily function or work activity; diagnosed co-morbid pain syndrome (e.g. fibromyalgia, irritable bowel syndrome, osteoarthritis); medical condition known to affect the nervous system (i.e. neurological disease, diabetes); previous lumbar surgery; pregnancy; unstable psychiatric disorder; substance abuse; severe cognitive impairment (arising from head injury or other comorbidity); long term use of medications that may impact on cognitive or sensory function (e.g. opiates greater than daily morphine equivalent 40mg); unable to read, write and understand English.

Study & Design

• Study Type: Observational
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
The primary measure of extent of recovery was measured with Pain Intensity, where non-recovery is indicated by persistence of pain (0 or 1 out of 10 on an 11-point Numerical Pain Rating Scale) or recovered (2 or more out of 10 on the 11-point NPRS).[4 months and 6 months from onset of low back pain]

Secondary Outcome Measures

Name	Time	Method
Pain intensity (0-10 VAS pain scale)[4 months and 6 months from onset of low back pain];Functional level (Functional Rating Index)[4 months and 6 months from onset of low back pain]