Optimal Effective Local Anesthetic Volume for Pain Relief Using Brachial Plexus Block
1 other identifier
interventional
150
1 country
1
Brief Summary
Prospective, patient-blinded study utilizing a novel Continuous Reassessment Method that concomitantly considers both block success and block side effects (lung dysfunction) for brachial plexus nerve blocks.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_4
Started Feb 2023
Typical duration for phase_4
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
February 17, 2023
CompletedFirst Submitted
Initial submission to the registry
April 27, 2023
CompletedFirst Posted
Study publicly available on registry
May 22, 2023
CompletedPrimary Completion
Last participant's last visit for primary outcome
February 1, 2025
CompletedStudy Completion
Last participant's last visit for all outcomes
December 1, 2025
CompletedMay 22, 2023
February 1, 2023
2 years
April 27, 2023
May 11, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (3)
Block Success
Block success measured by pain (11-point VAS)
60min after surgery
Lung Function
Block success as measured by preservation of lung function (Vital Capacity in L)
60 mins after surgery
Block Success
Block Success measured by opioid (mcg of fentanyl delivered)
60 mins after surgery
Secondary Outcomes (4)
Diaphragm Excursion
60 minutes after surgery
Vital Capacity
60 minutes after surgery
Pulse Oximetry
60 minutes after surgery
Side Effects
60 minutes after surgery
Study Arms (3)
Brachial Plexus Block Group 1
EXPERIMENTALInterscalene
Brachial Plexus Group 2
EXPERIMENTALSupraclavicular
Brachial Plexus Group 3
EXPERIMENTALSuprascapular
Interventions
Dose varied by 5mL of 0.5% Ropivacaine
Eligibility Criteria
You may qualify if:
- Surgical candidate for Arthroscopic rotator cuff surgery
- ASA I-III
- BMI\<40
- Age \>18
You may not qualify if:
- Inability to give informed consent
- Inability to complete consent process in English
- allergy to ropivacaine
- neuropathy
- contraindications to peripheral nerve block per ASRA guidelines
- chronic opioid use
- infection at the injection/catheter site
- limb restriction due to medical history
- history of moderate - severe lung disease.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Virginia Mason Medical Center
Seattle, Washington, 98101, United States
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Central Study Contacts
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- NON RANDOMIZED
- Masking
- TRIPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 27, 2023
First Posted
May 22, 2023
Study Start
February 17, 2023
Primary Completion
February 1, 2025
Study Completion
December 1, 2025
Last Updated
May 22, 2023
Record last verified: 2023-02
Data Sharing
- IPD Sharing
- Will not share