- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04118218
Determination of Predictive Clinical Signs of Effective Rhizolysis Using the DFL Questionnaire. (Rhizolyse)
Determination of Predictive Clinical Signs of Effective Rhizolysis Using the DFL Questionnaire (Diagnosis of Facet Joint Origin Lumbago).
Rhizolysis or lumbar thermocoagulation is a therapeutic proposal for certain types of chronic lower back pain that is resistant to medical treatment and outside the field of surgical indications.
A previous study has selected functional and physical signs selected by analysts and a group of experts from the modified "Delphi" prediction method. This study resulted in the creation of a questionnaire (DFL questionnaire) with 16 symptoms: 7 functional and 9 physical.
The aim of this new study is to select the symptoms that have the best positive predictive value among the 16 symptoms, to predict a good result of rhizolysis, on the criterion of their mitigation or disappearance in case of effective rhizolysis.
Study Overview
Status
Intervention / Treatment
Detailed Description
The frequency of chronic lower back pain is a major economic and social problem. Indeed, there are numerous solutions that can be offered to patients, but sometimes they are unsatisfactory as medical treatments are often insufficiently effective, surgical techniques are often invasive and indications can be limited.
Rhizolysis or lumbar thermocoagulation is a therapeutic proposal for certain types of chronic lower back pain that is resistant to medical treatment and outside the field of surgical indications. This technique, which is minimally invasive, is low-risk for patients and is widely used. However, few studies have shown its effectiveness, so the level of evidence is not enough to make this technique accepted as a standard.
A previous study has selected functional and physical signs for joint involvement in lower back pain. This selection was made by analysts and a group of experts from the modified "Delphi" prediction method. This study resulted in the creation of a questionnaire (DFL questionnaire) with 16 symptoms: 7 functional and 9 physical.
The aim of this new study is to select the symptoms that have the best positive predictive value among the 16 symptoms, to predict a good result of rhizolysis, on the criterion of their mitigation or disappearance in case of effective rhizolysis.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Paca
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Marseille, Paca, France, 13009
- Recruiting
- Clairval Private Hospital
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patient suffering from chronic lower back pain developing for more than 6 months and resistant to the medical treatments.
- Patients with an indication of lumbar rhizolysis for their chronic lower back pain with a facet component, the starting point of which corresponds to the L4L5 and/or L5S1 stages.
- Patient not objecting to their participation in the study.
- Subject registered with a social security scheme
Exclusion Criteria:
- Adults under judicial protection
- Adult under guardianship or trusteeship
- Pregnant women
- Minors
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Other
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Predictive DFL symptoms
Time Frame: 6 weeks
|
• Comparison of the "effective rhizolysis" and "non-effective rhizolysis" subgroups at 6 weeks postoperatively to select the symptoms with the highest positive predictive value among the 16 symptoms of the DFL questionnaire based on the criterion of effectiveness of a decrease of 50% of VAS or Oswestry
|
6 weeks
|
Collaborators and Investigators
Sponsor
Collaborators
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2017-A01283-50
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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