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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT05778422
Other study ID # Bupivacaine x RF for shoulder
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date January 1, 2021
Est. completion date January 1, 2023

Study information

Verified date March 2023
Source Federal University of São Paulo
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Comparative study between pulsed radiofrequency in suprascapular nerve or bupivacaine block for chronic shoulder pain


Description:

Prospective, randomized, comparative study of 40 participants with chronic shoulder pain allocated into two groups. Patients in group 1 underwent pulsed RF (180sec, with a fixed temperature at 42C, twice) on the suprascapular nerve, and the other group, 2, underwent nerve block with bupivacaine (5ml). After the procedure, patients were evaluated for 3 months regarding pain intensity, shoulder range of motion and dose of rescue opioids.


Recruitment information / eligibility

Status Completed
Enrollment 40
Est. completion date January 1, 2023
Est. primary completion date January 1, 2022
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 90 Years
Eligibility Inclusion Criteria: - Age over 18 years old - Chronic shoulder pain (more than 3 months) - Clinical and imaging diagnosis: rotator cuff injury, adhesive capsulitis, supraspinatus, tendinopathy, bicipital tendinitis, impingement syndrome, subscapularis tendinopathy, , subacromial and subdeltoid arthrosis, acromioclavicular arthrosis, subdeltoid subacromial bursitis - Pain intensity =4 on movement, on a numerical scale from zero to 10 (where zero means no pain and 10 the most intense pain imaginable). Exclusion Criteria: - Arrhythmia - Cognitive change (inability to answer questions) - Psychiatric illness - Infection at the site of the procedure - Coagulopathy, - Use of anticoagulants - Hypersensitivity to medications - Pregnant - Use of pacemaker

Study Design


Intervention

Drug:
Suprascapular nerve block with bipuvacaine
Suprascapular nerve block with Bipuvacaine: a 50mm 22G needle (Stimuplex, BBraun) was introduced up to the suprascapular fossa, guided by ultrasound, and the location was confirmed by motor stimulation with contraction of the supraspinatus and infraspinatus muscles. Next, 5 ml of 0.25% bupivacaine with adrenaline was injected.
Procedure:
Pulsed radiofrequency
After confirming the location, the needle mandrel was removed and the radiofrequency cannula was introduced through the needle, 2ml of 1% lidocaine without epinephrine was injected, followed by application of pulsed radiofrequency for 180sec at 42°C by radiofrequency (radiofrequency generator system BMS-50N, Bramsys).

Locations

Country Name City State
Brazil Federal University of Sao Paulo - Hospital Sao Paulo Sao Paulo

Sponsors (1)

Lead Sponsor Collaborator
Federal University of São Paulo

Country where clinical trial is conducted

Brazil, 

Outcome

Type Measure Description Time frame Safety issue
Primary Comparison of pain intensity after application of pulsed RF in the suprascapular nerve versus injection of a local anesthetic. Comparison of pain intensity after application of pulsed RF to the suprascapular nerve and after injection of a local anesthetic. The numerical pain scale (Visual Analogue Scale - VAS) at rest and during movement was used. This scale (VAS) ranges from 1 to 10, with 1 representing mild pain and 10 representing severe pain. 12 months
Secondary To assess the range of motion of the shoulder joint To assess the range of motion of the shoulder joint. A goniometer was used to assess the range of motion. 12 months
Secondary Need for additional analgesic. Assessment of the need for additional analgesics according to pain. Pain was measured using the Visual Analogue Scale, ranging from 1 to 10, with 1 representing mild pain and 10 representing severe pain. 12 months
Secondary Duration of the analgesic effect. Pain was assessed using the numerical pain scale (Visual Analogue Scale - VAS). The participant was asked to respond on a scale of 1 to 10, with 1 representing mild pain and 10 representing severe pain. 12 months
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