NCT01979315

Brief Summary

Diagnostic and prognostic value of pain hypersensitivity in low back pain (LBP) is not fully understood.Increased pain sensitivity in the primary area of pain (local pain) is considered a sign of predominantly peripheral pain sensitization,value of pain hypersensitivity in low back pain (LBP)is not fully understood whereas pain sensitivity in distal and remote areas is considered to present a more central phenomenon. It is suggested that pat ents with enhanced pain sensitivity report high level of disability. Despite fact that pain and disability are associated in chronic LBP the exact mechanisms of sensitivity contribution in LBP disability is unknown. It has also been suggested that muscle function changes may be driven by pain. The possible role and contribution of trunk muscles function to pain and disability phenomena remain unknown. This study was aimed to estimate prevalence and possible correlation among pain hypersensitivity and functional and electromyography parameters of trunk muscles in patients reporting early phase of chronic LBP.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
60

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Dec 2015

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

October 25, 2013

Completed
14 days until next milestone

First Posted

Study publicly available on registry

November 8, 2013

Completed
2.1 years until next milestone

Study Start

First participant enrolled

December 1, 2015

Completed
5.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 1, 2021

Completed
4 months until next milestone

Study Completion

Last participant's last visit for all outcomes

May 1, 2021

Completed
Last Updated

November 16, 2021

Status Verified

November 1, 2021

Enrollment Period

5.1 years

First QC Date

October 25, 2013

Last Update Submit

November 12, 2021

Conditions

Outcome Measures

Primary Outcomes (1)

  • Pain hypersensitivity parameters: pain threshold and pressure pain tolerance threshold will be measured by pressure algometer pressure was applied using a probe with an area of 1 cm2 and intensity to a maximum of 1,000 kPa at a rate of 30 kPa/s.

    pain detection threshold and pressure pain tolerance threshold (PPTT) )will be measured at the site of maximal pain and of more distant nonpainful point at the back, and the ipsilateral great toe 3 times and average value will be taken for statistics analyses

    up to 3 months

Study Arms (2)

patients with LBP

healthy individulas

Eligibility Criteria

Age18 Years - 65 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Patients with subacute LBP from tertiary rehabilitation clinic

You may qualify if:

  • Low back pain for at least 12 weeks
  • Magnetic resonance imaging (MRI) confirmation of prolapsed intervertebral disc (PID)
  • No meeting excluding criteria.

You may not qualify if:

  • No response to initial contact
  • Red flag symptoms
  • Diabetes mellitus,
  • Neurological problems and
  • Cancer
  • Pregnant patients
  • Patients treated chirurgically for the same problem or treated with oral corticosteroids and steroid injections for any reason in the previous month.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Clinic for rehabilitation dr Miroslav Zotovic Faculty of Medicine University of Belgrade

Belgrade, 11000, Serbia

Location

MeSH Terms

Conditions

Low Back Pain

Condition Hierarchy (Ancestors)

Back PainPainNeurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
CROSS SECTIONAL
Target Duration
5 Days
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
professor

Study Record Dates

First Submitted

October 25, 2013

First Posted

November 8, 2013

Study Start

December 1, 2015

Primary Completion

January 1, 2021

Study Completion

May 1, 2021

Last Updated

November 16, 2021

Record last verified: 2021-11

Locations