NCT06071364

Brief Summary

The purpose of this study is to assess the morphological changes in the lumbar multifidus, Erector spinae and Quadratus lumborum muscles and to investigate whether they are correlated with trunk extensor muscle strength in CNSLBP subjects. and to compare between these morphological changes during rest and contraction and to compare these results with control group. Twenty-nine subjects with CNSLBP and 29 age-matched healthy controls will be assessed by ultrasonography to detect the morphological changes of these muscles during rest and contraction ,and assessed strength of back extensors by hand-held dynamometer, and assessed functional disability by Arabic version of Oswestry disability index . They will be asked to sign the informed consent form.

Trial Health

43
At Risk

Trial Health Score

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

Trial has exceeded expected completion date
Enrollment
58

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Jul 2023

Shorter than P25 for all trials

Geographic Reach
1 country

1 active site

Status
unknown

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

Study Start

First participant enrolled

July 1, 2023

Completed
3 months until next milestone

First Submitted

Initial submission to the registry

October 2, 2023

Completed
4 days until next milestone

First Posted

Study publicly available on registry

October 6, 2023

Completed
2 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2023

Completed
1 month until next milestone

Study Completion

Last participant's last visit for all outcomes

January 1, 2024

Completed
Last Updated

October 11, 2023

Status Verified

October 1, 2023

Enrollment Period

5 months

First QC Date

October 2, 2023

Last Update Submit

October 9, 2023

Conditions

Outcome Measures

Primary Outcomes (5)

  • Functional disability

    Functional disability will be measured by Arabic version of Oswestry Disability Index (ODI). The ODI is a 10-item self-assessing questionnaire, each item contains 6 levels of answers that can be scored from 0 (minimum degree of difficulty in that activity) to 5 (maximum degree of difficulty). These items are pain, personal care, lifting and moving objects, walking, sitting, standing, sleep disorders caused by the low back pain, sex life, social life, and traveling The Arabic version of ODI has been established as a valid measure, and demonstrated excellent intra-observer reliability.

    from 5 to 10 minutes

  • Back muscle strength

    will be measured by Hand-held dynamometer (HHD): assessing isometric lumbar muscles strength. In a clinical setting, it is viewed as easy to use, portable and cost-effective for the precise measurement of lumbar muscles strength. Intra-rater and inter-rater reliability of hand-held dynamometer for assessing isometric lumbar muscle strength in asymptomatic healthy population showed an excellent intra-rater (ICC 2, k = 0.95 to 0.97) and inter-rater (ICC 2, k = 0.94 to 0.95) .

    from 5 to 7 minutes

  • Muscle Thickness

    evaluate the thickness of lumbar extensors lumbar multifidus, erector spinae and quadratus lumborum muscles and will be assessed by an experienced and qualified radiologist using US unit at rest and contraction on both right and left sides.

    about 15 minutes

  • Muscle Cross Sectional Area

    evaluate cross -sectional area of lumbar extensors lumbar multifidus, erector spinae and quadratus lumborum muscles and will be assessed by an experienced and qualified radiologist using US unit during rest and contraction on both right and left sides.

    about 15 minutes

  • Muscle Fat infiltration

    evaluate Fat infiltration of lumbar extensors lumbar multifidus, erector spinae and quadratus lumborum muscles and will be assessed by an experienced and qualified radiologist using US unit during rest and contraction on both right and left sides.

    about 15 minutes

Study Arms (2)

chronic nonspecific low back pain patients

Twenty-nine participants experienced chronic non-specific low back pain for over three months without any referred pain in their legs.

Diagnostic Test: Ultrasonography imaging and Hand-held dynamometer (HHD)

Asymptomatic subjects

Twenty-nine subjects without symptoms of low back pain

Diagnostic Test: Ultrasonography imaging and Hand-held dynamometer (HHD)

Interventions

Ultrasound imaging system will be used to evaluate the thickness, cross -sectional area and fat infiltration of lumbar extensors lumbar multifidus , erector spinae and quadratus lumborum muscles. The hand-held dynamometer assessing isometric lumbar muscles strength

Asymptomatic subjectschronic nonspecific low back pain patients

Eligibility Criteria

Age18 Years - 45 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64)
Sampling MethodNon-Probability Sample
Study Population

Outpatient clinic of Mallawi Hospital

You may qualify if:

  • Subjects of both genders with CNSLBP (pain\> 3 months)
  • The subject's age ranged between 18 and 45.
  • waist-to-height ratio (WHtR) \< 0.5 or = 0.5

You may not qualify if:

  • Untreated neurological and/or mental illness
  • History of trauma in the last 6 months.
  • Sacroiliac joint pathologies.
  • Spinal fracture or dislocation.
  • Spinal instability (e.g., spondylolisthesis or retrolisthesis)
  • Sensitivity to ultrasound gel diagnosed by a medical doctor.
  • Serious musculoskeletal problems or other pathologies.
  • Previous surgery in lower limb(s)
  • Females during Pregnancy.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Cairo University

Cairo, Egypt

RECRUITING

Study Officials

  • omnia yasser, master

    Cairo University

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Omnia Yasser, Master

CONTACT

Nesreen Fawzy, lecturer

CONTACT

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
CROSS SECTIONAL
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
principal investigator

Study Record Dates

First Submitted

October 2, 2023

First Posted

October 6, 2023

Study Start

July 1, 2023

Primary Completion

December 1, 2023

Study Completion

January 1, 2024

Last Updated

October 11, 2023

Record last verified: 2023-10

Data Sharing

IPD Sharing
Will not share

undecided

Locations