| Not Yet Recruiting | Ventilation Safety in Beach Chair Shoulder Surgery: SafeLM Versus I-gel NCT07501468 | Ankara City Hospital Bilkent | N/A |
| Recruiting | Dose-Finding Study: MEV90 for Local Anesthetic in Interscalene Block for Supraclavicular Nerves Block NCT07338916 | Hospital del Trabajador de Santiago | N/A |
| Not Yet Recruiting | Percutaneous Peripheral Nerve Stimulation (PPNS) for Post-Surgical Pain After Shoulder Surgery NCT07502170 | University Hospital, Montpellier | N/A |
| Recruiting | Interscalene vs Phrenic-sparing Blocks in Obesity and Effect of Maximum Inspiratory Pressure NCT07216820 | University of North Carolina, Chapel Hill | N/A |
| Recruiting | Eccentric or Concentric Contralateral Training in Rehabilitation After Shoulder Surgery With Elbow Immobilizat NCT06905093 | Centre Hospitalier Intercommunal de Toulon La Seyne sur Mer | N/A |
| Not Yet Recruiting | Suprascapular and Axillary Versus Interscalene Blocks Regarding Phrenic Affection in Shoulder Surgeries NCT06674551 | Ain Shams University | N/A |
| Not Yet Recruiting | Turkish Validity and Reliability Study of Hospital for Special Surgery Shoulder Surgery Expectations Survey NCT06553092 | Gazi University | — |
| Completed | Comparative Impacts of Two Anesthesia Methods on Peripheral Tissue Oxygenation in the Upper Limb NCT07449611 | Sakarya University | N/A |
| Completed | Shoulder Block Versus Pericapsular Nerve Group Block for Shoulder Surgery NCT05755802 | Mansoura University | N/A |
| Completed | Serratus Anterior Plane Block Versus Pericapsular Nerve Group Block for Shoulder Surgery NCT05772533 | Mansoura University | N/A |
| Completed | Ultrasound Guided Suprascapular Nerve Block Versus ISB Block in Arthroscopic Shoulder Surgery NCT06396455 | Benha University | N/A |
| Completed | The Effect of Interscalene Block on Wound Healing and Immunity in Open Shoulder Surgeries NCT05499897 | Yuzuncu Yil University | N/A |
| Recruiting | Evaluating Hemidiaphragmatic Paralysis With Prolonged Neural Blockade From an Interscalene Brachial Plexus Blo NCT04209504 | Duke University | — |
| Completed | Effect of Interscalene and Suprascapular Nerve Block on Analgesia Consumption After Adhesive Capsulitis Surger NCT04769570 | TC Erciyes University | N/A |
| Completed | Low-dose Intravenous Dexamethasone at Different Times as Adjunvants for Brachial Plexus Blocks NCT04714112 | Shanghai Jiao Tong University Affiliated Sixth People's Hospital | Phase 4 |
| Unknown | Regeneten Patch vs Standard Care in Partial Thickness Rotator Cuff Repair NCT04673344 | Rothman Institute Orthopaedics | N/A |
| Unknown | Cervical Erector Spinae Block for Shoulder Surgery NCT04397549 | Konya Necmettin Erbakan Üniversitesi | N/A |
| Completed | Comparison Between Interscalene and Combined Costoclavicular-suprascapular Blocks for Arthroscopic Shoulder Su NCT04224766 | Assiut University | N/A |
| Withdrawn | Intraoperative Pain and Quality of Surgical Block During Shoulder Surgery Assessed by NOL Index NCT04015284 | Ciusss de L'Est de l'Île de Montréal | N/A |
| Unknown | Photodynamic Therapy for Cutibacterium Acnes (C. Acnes) Decolonization of the Shoulder Dermis NCT04636242 | Rothman Institute Orthopaedics | Phase 3 |
| Completed | Opiate Sparing Versus Opiate Based Following Shoulder Arthroplasty NCT04294680 | Campbell Clinic | N/A |
| Unknown | Does the Disinfection of the Subcutaneous Tissue Reduce the Contamination of the Operative Field by P. Acnes D NCT03664284 | Hôpital du Valais | N/A |
| Unknown | Clinical And Anatomic Study Of An Ultrasound-Guided Superior Trunk Of The Brachial Plexus NCT03512990 | Federal University of São Paulo | N/A |
| Unknown | is There an Alternative to Ultrasound Guided Interscalene Block? NCT02397330 | Tunisian Military Hospital | N/A |
| Completed | The Effects of Dexamethasone on Low Dose Interscalene Brachial Plexus Block NCT02322242 | Dr. Stephen Choi | Phase 4 |
| Completed | Modeling the Effect of EtCO2 on Cerebral Oxygenation NCT02284763 | Severance Hospital | N/A |
| Unknown | Effect of 0.5% vs 0.375% Ropivacaine on Autonomous Nervous System NCT02125994 | Larissa University Hospital | N/A |
| Completed | Distant Extrafascial Injection vs Subfascial Injection for Interscalene Block: Acute Pain Outcomes and Rates o NCT02074397 | Centre Hospitalier Universitaire Vaudois | N/A |
| Withdrawn | Changes in Anthropometry Following Ambulatory Orthopaedic Surgery NCT02435251 | State University of New York at Buffalo | — |
| Unknown | Effect of the Side of Interscalene Block on Bradycardia and Hypotension in Beach Chair Position NCT01755780 | Larissa University Hospital | — |
| Unknown | Minimum Effective Volume of 0.375% Bupivacaine in Interscalene Brachial Plexus Block NCT01667315 | Federal University of São Paulo | Phase 2 |
| Completed | Effects of Interscalene Brachial Plexus Nerve Blocks on the Hand and Forearm NCT01229683 | University of California, San Diego | — |
| Completed | Effect of Interscalene Block on Heart Rate Variability (HRV) NCT01185457 | Larissa University Hospital | — |
| Completed | The Addition of Sufentanil Interscalene Block in Shoulder Surgery NCT01025102 | Bent Gymoese Jorgensen | Phase 3 |
| Terminated | The Effect of Dexamethasone on the Duration of Interscalene Nerve Blocks With Ropivacaine or Bupivacaine NCT00801138 | The Cleveland Clinic | N/A |
| Unknown | A Comparison Between Neurostimulation and Loss of Resistance for Cervical Paravertebral Blocks NCT00640380 | McGill University Health Centre/Research Institute of the McGill University Health Centre | N/A |
| Completed | Plexus Anesthesia in Lateral, Head-Down Position for Elective Surgery of the Shoulder NCT00403013 | University Hospital Muenster | N/A |