Anterior suprascapular nerve block vs interscalene block for shoulder surgery pain
Official title: Interscalene Block Versus Anterior Suprascapular Nerve Block for Shoulder Surgery in the Outpatient Setting: Postoperative Pain Managemente and Quality of Recovery With a Multimodal Analgesic Strategy
Run by ASST Sette Laghi · NCT07831096 · Data updated 2026-11-12
This trial tests whether an anterior suprascapular nerve block can provide similar pain relief to the standard interscalene block after outpatient shoulder surgery in adults.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 100 (estimated) |
| Sponsor | ASST Sette Laghi Academic / other |
| Locations | 1 site (Varese, Italy) |
| Status | Recruiting |
| Started | January 16, 2026 |
| Main results expected | February 2027 |
| Study ends | April 2027 |
| Registry record updated | September 21, 2026 |
| Trial ID | NCT07831096 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Adults 18 years or older undergoing unilateral outpatient shoulder surgery under general anesthesia who are eligible for regional anesthesia and meet the inclusion criteria.
✕Probably not a fit
Patients with contraindications to regional anesthesia, certain allergies, existing neuropathies, or conditions that limit recovery may not benefit from this approach.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This randomized, single-blind, noninferiority study compares two regional anesthesia techniques for unilateral outpatient shoulder surgery performed under general anesthesia. Participants receive either an anterior suprascapular nerve block or an interscalene block, with ropivacaine as part of the protocol, to manage postoperative pain. The goal is to see if the SSNB-A can match the analgesia of ISB while potentially reducing block-related side effects that can complicate discharge and recovery. Outcomes focus on postoperative pain control, opioid use, recovery milestones, and safety in an outpatient setting. The study will enroll adults with ASA I–III undergoing specified shoulder procedures and excludes those with contraindications to regional anesthesia or certain comorbidities or allergies.
Why it matters
Potential benefit: If successful, SSNB-A could provide similar pain relief with fewer respiratory or nerve-block–related side effects, facilitating safer and smoother outpatient recovery.
How similar studies have gone: Prior regional anesthesia studies in shoulder surgery have shown that selective blocks may achieve comparable analgesia with fewer adverse effects, though noninferiority evidence for SSNB-A specifically is being established.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Age \> 18 years. * ASA physical status I, II, or III. * Scheduled for unilateral shoulder orthopedic surgery in the outpatient/day surgery setting under general anesthesia. * Surgical procedures may include long head of biceps tenotomy, biceps anchor repair, Bankart procedure, rotator cuff repair with or without biological membrane augmentation, subacromial decompression, acromioplasty, or acromioclavicular stabilization. * Ability to understand the study procedures and provide written informed consent. Exclusion Criteria: * Contraindication to regional anesthesia, including allergy to local anesthetics, infection at the injection site, bleeding diathesis, or other contraindications according to applicable clinical practice recommendations. * Allergy to paracetamol or to any drug used in the multimodal rescue analgesic strategy. * Known neuropathy or sensory/motor deficit in the surgical area or in the territory of innervation of the study blocks. * History of psychiatric or behavioral disorders that may interfere with study participation or outcome assessment. * Severe obesity, defined as body mass index (BMI) \> 40 kg/m2. * Severe chronic obstructive pulmonary disease, GOLD stage III-IV. * Pregnancy. * Known phrenic nerve palsy associated with diaphragmatic paralysis. * Chronic opioid use during the previous 3 months. * Severe chronic pain during the previous 3 months, defined as NRS \> 4. * Non-adherence to the postoperative analgesic protocol.
Where it's running
-
University Hospital Varese ASST SetteLaghi
Varese, Italy, Italy Recruiting
Study contacts
- Study coordinator: Giorgio Rossoni, MD
- Email: giorgio.rossoni@asst-settelaghi.it
- Phone: 0039 0332393447
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.