Interscalene Block Versus Superior Trunk Block
CompletedPhase 4NCT03272139
View the official record on ClinicalTrials.gov Recruiting status changes often. Contact the study team listed on ClinicalTrials.gov, and talk to your doctor before joining a study.
This study has no listed site in Canada in this snapshot. It is included as part of the worldwide chronic pain corpus.
Brief summary (from the registry)
Sparing the phrenic nerve by administering ultrasound-guided low volume superior trunk block (STB) and interscalene block (ISB) for arthroscopic shoulder surgery (labral repair, stabilization, rotator cuff repair).
Study details
- Official title
- Interscalene Block Versus Superior Trunk Block: A Randomized Controlled Clinical Trial
- Conditions
- Joint Disease
- Pain
- Pain, Acute
- Pain, Chronic
- Interventions
- Sponsor
- Hospital for Special Surgery, New York
- Start date
- 2017-09-28
- Primary completion
- 2018-12-30
- Sex
- All
- Age range
- from 18 Years to 80 Years
- Results posted
- Yes, on ClinicalTrials.gov
- Countries
- United States
- Total sites listed
- 1
Eligibility criteria
Show eligibility criteria (verbatim from the registry)
Inclusion Criteria: * Patients who will be undergoing primary unilateral labral repair/stabilization of the shoulder * Age 18 to 80 years * Planned use of general anesthesia with LMA and interscalene or superior trunk block * Ability to follow study protocol * English speaking * ASA I - III Exclusion Criteria: Pre-existing neuropathy of the operative limb * Younger than 18 years old and older than 80 * Patients with pulmonary severe respiratory disease * Allergy to one of the study medications * Chronic gabapentin/pregabalin use (regular use for longer than 3 months) * Chronic opioid use (taking opioids for longer than 3 months) * Contraindication to general anesthesia, interscalene or superior trunk block * Herniated Cervical Disk, Cervical Myelopathy * BMI \>35
Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status. Record: https://clinicaltrials.gov/study/NCT03272139