Comparing two pain relief techniques for shoulder surgery

Comparison of Postoperative Analgesic Efficacy Between the Interscalene Block and Infraspinatus-Teres Minor Interfascial Blocks in Patients Undergoing Arthroscopic Shoulder Surgery

Not applicable Interventional Samsun University · NCT06844630

This study is testing which of two pain relief methods works better for people having shoulder surgery to see if one can help manage pain without affecting breathing.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment60 (estimated)
Ages18 Years to 75 Years
SexAll
SponsorSamsun University Academic / other
Locations1 site (Samsun)
Trial IDNCT06844630 on ClinicalTrials.gov

What this trial studies

This study compares the effectiveness of two different ultrasound-guided nerve blocks, the interscalene block and the infraspinatus-teres minor interfascial block, in managing postoperative pain for patients undergoing arthroscopic shoulder surgery. The goal is to determine if there is any significant difference in pain relief between these two techniques, particularly focusing on the potential for diaphragm-sparing benefits of the infraspinatus-teres minor block. Both techniques aim to provide effective analgesia while minimizing complications associated with nerve blocks. The study will involve preoperative application of these blocks to assess their impact on postoperative pain management.

Who should consider this trial

Good fit: Ideal candidates for this study are patients classified as ASA I-III who are scheduled for arthroscopic shoulder surgery under general anesthesia.

Not a fit: Patients with bleeding disorders, those on anticoagulant therapy, or individuals with chronic pain syndromes requiring opioid intake may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved pain management strategies for patients undergoing shoulder surgery, potentially reducing recovery time and hospital stays.

How similar studies have performed: While the interscalene block is a well-established technique, the infraspinatus-teres minor interfascial block is a newer approach, and its comparative effectiveness is still being evaluated.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* American Society of Anesthesiologists (ASA) classification I-II-III
* Scheduled for arthroscopic shoulder surgery under general anesthesia

Exclusion Criteria:

* history of bleeding diathesis
* receiving anticoagulant treatment
* infection of the skin at the site of the needle puncture
* pregnancy or lactation
* patients who do not accept the procedure
* Allergy to local anesthetics
* Chronic pain syndromes requiring opioid intake

Where this trial is running

Samsun

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Shoulder PainPain, PostoperativeSurgical Procedure, Unspecifiedarthroscopic shoulder surgerypostoperative paininterscalene brachial plexus blockinfraspinatus-teres minor interfascial block
Last reviewed 2026-06-09 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.