Drug Trial * Single-center * Exploratory trial * Controlled * Randomized * Double-blind * Prospective Objective is to compare improvements in shoulder function at 3 months between the group receiving an intra-articular injection combined with a suprascapular nerve block and the group receiving an intra-articular injection combined with a placebo block 19 patients in the Experimental Group (block with corticosteroid and intra-articular injection on Day 0) 19 patients in the Control Group (block with saline and intra-articular injection on Day 0) * Total duration: 36 months * Recruitment period: 24 months * Treatment duration per patient: 2 ultrasound-guided procedures on Day 0 * Follow-up duration per patient: 12 months after the procedure At J0 : Under ultrasound guidance, inject 2 mL of lidocaine into the notch, then: * Experimental Group: 8 mL of 1% lidocaine into the notch with 1 mL of betamethasone, * Control Group: 9 mL of saline into the notch. During these consultations, M1, M3, M6 et M12 , the following examinations will be performed: * Clinical examination of the painful shoulder, including measurement of range of motion * Visual Analog Scale (VAS) for pain * Quick Dash, OSS, and SPADI self-report questionnaires completed by the patient * Recording of complications * Questions about returning to work
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
DOUBLE
Enrollment
38
Supracapsular nerve block: injection of 10 mL of 1% lidocaine (2 mL along the needle path and 8 mL around the nerve), followed by an injection of 1 mL of DIPROSTENE®. Intra-articular injection: injection of 2 mL of 1% lidocaine along the needle path and 1 mL of KENACORT RETARD® 40 mg.
Suprascapular nerve block: Inject 2 mL of 1% lidocaine along the needle path, followed by 9 mL of normal saline. Intra-articular injection: injection of 2 mL of 1% lidocaine along the needle path and 1 mL of KENACORT RETARD® 40 mg.
CHU de Nantes
Nantes, France
Difference in Quick DASH scores between baseline and M3
Time frame: 3 months
1. Functional Assessment
Function using the Quick Dash
Time frame: D0, Month 1, Month 3, Month 6, month 12
1. Functional Assessment
Function using the SPADI scores
Time frame: D0, Month 1, Month 3, Month 6, month 12
1. Functional Assessment
Function using the OSS
Time frame: D0, Month 1, Month 3, Month 6, month 12
Measuring Joint Ranges of Motion with a Goniometer
Time frame: Day 0, Month 1, Month 3, Month 6, and Month 12
Pain Assessment
With VAS (Visual Analog Scale) 0-10
Time frame: D0, Month 1, Month 3, Month 6, month 12
EVA pain before and after each movement
Time frame: Day 0, Month 1, Month 3, Month 6, and Month 12
Return-to-work timelines following the procedure for patients who are employed
Time frame: Month 1, Month 3, Month 6, and Month 12
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