- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03781843
Effects of Genicular Nerve Block in Knee Osteoarthritis
Effects of Genicular Nerve Block for Patients With Knee Osteoarthritis Who Have Neuropathic or Nociceptive Pain: A Double-Blind, Randomized Controlled Trial
Study Overview
Status
Conditions
Detailed Description
The patients who participated in this study were selected from outpatients who attended our hospital for knee pain. These 90 patients were who matched the following criteria. All patients had knee pain for more than 3 months.
The ultrasound-guided genicular nerve block was performed at the site of the superior lateral, the superior medial, and the inferior medial genicular nerves. Color Doppler was used to identify the arterial structures which serve as landmarks for the corresponding nerves. This method was used to inject a total of 6 mL of lidocaine or 6 mL dextrose or 6 mL saline at 3 separate target sites: the superior lateral, superior medial, and inferior medial genicular nerves.
Pain was evaluated with Analog Analogue Scale (VAS), daily living activities with Western Ontario and McMaster Universities Arthritis Index (WOMAC), maximum distance walked with Lequesne Score, and neuropathic pain was evaluated with painDETECT inquiry form. Outcome measures were assessed at baseline and at 1st, 4th weeks, and 3rd months after the procedure.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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Istanbul, Turkey, 34752
- Fatih Sultan Mehmet Education and Research Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- knee pain for more than 3 month.
- radiological tibiofemoral OA (Kellgren-Lawrence grade 2-4 )
Exclusion Criteria:
- acute knee pain, prior knee surgery, other connective tissue diseases that affected the knee, serious neurological or psychiatric disorders, steroid or hyaluronic acid injection therapy during the previous 3 months, sciatic pain, patients with polyneuropathy, anticoagulant medication use, pacemaker use, prior electroacupuncture treatment and physical treatment.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Supportive Care
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Genicular nerve block with lidocaine
The ultrasound-guided genicular nerve block was performed at the site of the superior lateral, the superior medial, and the inferior medial genicular nerves.
Color Doppler was used to identify the arterial structures which serve as landmarks for the corresponding nerves.10
cm 21 G insulated block needle was inserted and aligned with the ultrasound scanning plane.
Once satisfactory position of the needle is confirmed, 6 mL of a solution containing 6 mL of 2% lidocaine or 6 mL dextrose or 6 mL saline was slowly injected.
Spread of local anesthetic was documented adjacent to the target nerve.
This procedure was performed at the site of the three genicular nerves Interventions: Drug: 6 mL 2% lidocaine Procedure: Genicular nerve block
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The color doppler ultrasound-guided genicular nerve block at the site of the superior lateral, the superior medial, and the inferior medial genicular nerves.
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Placebo Comparator: Genicular nerve block with saline
The ultrasound-guided genicular nerve block was performed at the site of the superior lateral, the superior medial, and the inferior medial genicular nerves. Color Doppler was used to identify the arterial structures which serve as landmarks for the corresponding nerves. 10 cm 21 G insulated block needle was inserted and aligned with the ultrasound scanning plane. Once satisfactory position of the needle time is confirmed, 5 mL of a saline was slowly injected. Spread of local anesthetic was documented adjacent to the target nerve. This procedure was performed at the site of the three genicular nerves. Interventions:Drug: Saline Procedure: Genicular nerve block |
The color doppler ultrasound-guided genicular nerve block at the site of the superior lateral, the superior medial, and the inferior medial genicular nerves.
|
Placebo Comparator: Genicular nerve block with dextrose
The ultrasound-guided genicular nerve block was performed at the site of the superior lateral, the superior medial, and the inferior medial genicular nerves. Color Doppler was used to identify the arterial structures which serve as landmarks for the corresponding nerves. 10 cm 21 G insulated block needle was inserted and aligned with the ultrasound scanning plane. Once satisfactory position of the needle time is confirmed, 5 mL of a dextrose was slowly injected. Spread of local anesthetic was documented adjacent to the target nerve. This procedure was performed at the site of the three genicular nerves. Interventions:Drug: Dextrose Procedure: Genicular nerve block |
The color doppler ultrasound-guided genicular nerve block at the site of the superior lateral, the superior medial, and the inferior medial genicular nerves.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Efficacy of genicular nerve block on neuropathic pain reduction in knee osteoarthritis
Time Frame: 3 months
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Neuropathic pain reduction is measured by painDETECT questionnaire (PD-Q) which consists of 9 items that evaluate pain quality, pattern and radiation.
Possible scores range from -1 to 38, with higher scores indicating more neuropathic-like symptoms.
Clinical assessments:score ≤12: unlikely neuropathic pain; score 13-18: possibly neuropathic pain, and score ≥19:likely neuropathic pain.
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3 months
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Efficacy of genicular nerve block on nociceptive pain reduction in knee osteoarthritis.
Time Frame: 3 months
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Nociceptive pain reduction is measured by Visual analogue scales (VAS).
The score is determined by measuring the distance (mm) on the 10-cm line between the "no pain" anchor and the patient's mark, providing a range of scores from 0-100.
A higher score indicates greater pain intensity.
Pain intensity as none, mild, moderate, or severe, the following cut points on the pain VAS have been recommended: no pain (0-4 mm), mild pain (5-44 mm), moderate pain (45-74 mm), and severe pain (75- 100 mm).
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3 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Efficacy of genicular nerve block on physical function in knee osteoarthritis.
Time Frame: 6 months
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Physical functional disability is measured by the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC).
The WOMAC index is a self-administered health questionnaire specifically designed for patients with osteoarthritis of the hip or knee.
It consists of 24 multiple-choice items grouped into 3 categories: WOMAC pain, WOMAC stiffness, and WOMAC physical function.
The questions are ranked on a 5-point Likert scale (1 point, best result; 5 points, worst result), and the scores are added up for each category.
The WOMAC scores from 1 (best) to 5 (worst) points to a system of 0 (worst) to 100 (best) points.
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6 months
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Efficacy of genicular nerve block on walking distance in knee osteoarthritis.
Time Frame: 6 months
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Walking distance with or without walking aids is measured by Lequesne algofunctional index.The Lequesne OA index is a 11-question interview format questionnaire with three sections about pain or discomfort, maximum distance walked and possible necessity of crutches and activities of daily living .
The Lequesne OA index is scored as the sum of all questions ranging from 0 to 24.
Lower score indicates less dysfunction where 0 = no handicap, 1-4 = mild handicap, 5-7 = moderate handicap, 8-10 = severe handicap, 11-13 = very severe handicap, and ≥14 = extremely severe handicap.
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6 months
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Collaborators and Investigators
Investigators
- Study Director: Pınar Akpınar, MD, Fatih Sultan Mehmet Education and Research Hospital
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
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
Additional Relevant MeSH Terms
- Joint Diseases
- Musculoskeletal Diseases
- Rheumatic Diseases
- Arthritis
- Osteoarthritis
- Osteoarthritis, Knee
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Anti-Arrhythmia Agents
- Central Nervous System Depressants
- Peripheral Nervous System Agents
- Sensory System Agents
- Anesthetics
- Membrane Transport Modulators
- Anesthetics, Local
- Voltage-Gated Sodium Channel Blockers
- Sodium Channel Blockers
- Lidocaine
Other Study ID Numbers
- 2018/42
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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