NCT05137652

Brief Summary

Failure of RFA has been attributed to technical failure of coagulating the nerve or coagulation of a minimal section of the nerve, allowing for early reinnervation. Consequently, increasing the success rate and duration of relief may require techniques that increase the likelihood of successful nerve ablation over a relevant distance by maximizing lesion size.

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 not_applicable

Timeline
Completed

Started Mar 2022

Typical duration for not_applicable

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

September 18, 2021

Completed
2 months until next milestone

First Posted

Study publicly available on registry

November 30, 2021

Completed
3 months until next milestone

Study Start

First participant enrolled

March 1, 2022

Completed
2.4 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 1, 2024

Completed
24 days until next milestone

Study Completion

Last participant's last visit for all outcomes

August 25, 2024

Completed
Last Updated

August 27, 2024

Status Verified

August 1, 2024

Enrollment Period

2.4 years

First QC Date

September 18, 2021

Last Update Submit

August 25, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Improvement in VAS pain score.

    Responder status was defined as a 30% or greater improvement in pain Visual Analogue Score from the pre-procedural pain VAS score. The pain VAS is a unidimensional measure of pain intensity, which has been widely used in diverse adult diseases including low back pain. The pain VAS originated from continuous visual analog scales developed in the field of psychology to measure well-being. the first reported use of the VAS pain scale was with the descriptor extremes "no pain at all" and "my pain is as bad as it could possibly be" in patients with a variety of conditions.

    24 months

Secondary Outcomes (1)

  • Decrease the rate of recurrence of low back pain due to facet arthritis

    24 months

Study Arms (2)

Control group

OTHER

single needle approach for 40 patients in which nerve is traditionally been targeted.

Device: Radiofrequency ablation of medial nerve using single needle approach

Study group

EXPERIMENTAL

40 patients will receive the three needle approach.

Device: Radiofrequency ablation of medial nerve using three needle approach

Interventions

The primary outcome is to study the efficacy of the described technique which creates a lesion that we estimate to be 11.0-mm wide and 11.6-mm long along the course of the medial branch adjacent to the SAP ensuring adequate coverage and treatment using VAS score. Responder status was defined as a 30% or greater improvement in VAS pain score from the pre-procedural VAS pain score. Outcomes were summarized by means and standard deviations for continuous outcomes, and frequencies (%) for categorical outcomes.

Also known as: Control group
Control group

The primary outcome is to study the efficacy of the described technique by maximizing the lesion size (compared to control group) along the course of the medial branch adjacent to the SAP ensuring adequate coverage and treatment using VAS score.

Also known as: Study group
Study group

Eligibility Criteria

Age18 Years - 60 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64)

You may qualify if:

  • Age group of 18-60 yrs who are complaining of chronic lower back pain due to lumbar facet joint arthritis not responded to medical treatment for more than 6 months.
  • Failed back surgery syndrome without instrumentation.

You may not qualify if:

  • Patient or relative in charge refusal.
  • Associated lumbar disc prolapse.
  • Negative diagnostic test.
  • Contraindication for radiological exposure as pregnancy and osteoporosis.
  • Inability to lie in a prone position.
  • Failed back surgery syndrome with previous instrumentation insertion
  • Contraindications for regional techniques

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Assiut University

Asyut, Asyut Governorate, 71111, Egypt

Location

MeSH Terms

Interventions

Control Groups

Intervention Hierarchy (Ancestors)

Epidemiologic Research DesignEpidemiologic MethodsInvestigative TechniquesResearch DesignMethods

Study Officials

  • Hamdy Abbas Youssef, Professor

    Professor of anesthesia, intensive care and Pain Relief, Assiut University

    STUDY DIRECTOR
  • Abdelraheem Elawamy, Ass. prof.

    Associate Professor of anesthesia, intensive care and Pain Relief, Assiut University

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Professor of anesthesia, ICU and pain management

Study Record Dates

First Submitted

September 18, 2021

First Posted

November 30, 2021

Study Start

March 1, 2022

Primary Completion

August 1, 2024

Study Completion

August 25, 2024

Last Updated

August 27, 2024

Record last verified: 2024-08

Data Sharing

IPD Sharing
Will not share

Locations