Analgesia Duration of Dexamethasone, Buprenorphine, or Clonidine With Ropivacaine for Interscalene Nerve Block
A Prospective Triple-masked Randomized Controlled Trial Measuring Analgesia Duration of Dexamethasone, Buprenorphine, or Clonidine With Ropivacaine for Interscalene Nerve Block
1 other identifier
interventional
160
1 country
1
Brief Summary
This is a prospective randomized controlled triple-masked study looking at the duration of nerve block analgesia when using the listed adjuvants (dexamethasone, buprenorphine and clonidine) plus ropivacaine versus plain ropivacaine alone.
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 Dec 2013
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
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
December 1, 2013
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
March 1, 2017
CompletedFirst Submitted
Initial submission to the registry
April 11, 2017
CompletedFirst Posted
Study publicly available on registry
April 17, 2017
CompletedResults Posted
Study results publicly available
July 3, 2018
CompletedJuly 3, 2018
July 1, 2018
3.2 years
April 11, 2017
April 17, 2018
July 2, 2018
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Duration of Analgesia
Patients are called 1-3 days post-operatively to assess when the analgesia of their nerve block wore off
1-3 days post-operative
Secondary Outcomes (12)
Block Set up Time
Day one
Sensory Duration of Block
Day 1-3
Patient Reporting Vomiting at Home
1-3 days
Number of Patients Vomiting in the PACU (Post-Anesthesia Care Unit)
Post-op Day 0 (Baseline)
Number of Patients Reporting Nausea at Home
1-3 days
- +7 more secondary outcomes
Other Outcomes (2)
Surgical Position
Post-op Day 0 (Baseline)
Surgical Length
Post op Day 0 (Baseline)
Study Arms (4)
Plain Ropivacaine
ACTIVE COMPARATORPlain Ropivacaine 0.75%, (225 mg) total volume 32 cc for interscalene block given pre-operatively
Ropivacaine + Buprenorphine
EXPERIMENTALA mixture of 0.75% ropivacaine with 300 mcg buprenorphine, total volume 32 cc for interscalene block given pre-operatively
Ropivacaine + Clonidine
EXPERIMENTALA mixture of 0.75% ropivacaine with 75 mcg clonidine, total volume 32 cc for interscalene block given pre-operatively
Ropivaciane + Dexamethasone
EXPERIMENTALA mixture of 0.75% ropivacaine with and 8 mg dexamethasone, total volume 32 cc for interscalene block given pre-operatively
Interventions
Only ropivacaine 0.75% is administered for this arm of the interscalene block
Ropivacaine 0.75% + 300 mcg Buprenorphine is administered for this arm of the interscalene block
Ropivacaine 0.75% + 75 mcg Clonidine is administered for this arm of the interscalene block
Ropivacaine 0.75% + 8 mg Dexamethasone is administered for this arm of the interscalene block
Eligibility Criteria
You may qualify if:
- Patients who have or are:
- Orthopedics service patients having shoulder surgery
- ASA(American Society of Anesthesiologists) class I, II, or III.
- Patients at least 18 years old but less than 71 years old.
- Patients giving informed consent.
- Non-Emergency Surgery
You may not qualify if:
- Patients who have or are:
- An inability to cooperate during the block placement.
- Neuropathy of the planned extremity to block
- Diabetes
- Documented Kidney Disease
- Documented Liver Disease
- A lack of or inability to give informed consent.
- Currently incarcerated.
- Pregnant
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Melinda Seeringlead
Study Sites (1)
University of Iowa Hospital and Clinics, Ambulatory Surgery Clinic
Iowa City, Iowa, 52242, United States
Related Publications (33)
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PMID: 21697669BACKGROUND
MeSH Terms
Interventions
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- Melinda Seering
- Organization
- Univesity of Iowa Hospitals and Clinics
Study Officials
- PRINCIPAL INVESTIGATOR
Melinda Seering, M.D.
University of Iowa
Publication Agreements
- PI is Sponsor Employee
- No
- Restrictive Agreement
- No
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- RANDOMIZED
- Masking
- QUADRUPLE
- Who Masked
- PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR INVESTIGATOR
- PI Title
- Clinical Assistant Profession, Prinicipal Investigator
Study Record Dates
First Submitted
April 11, 2017
First Posted
April 17, 2017
Study Start
December 1, 2013
Primary Completion
March 1, 2017
Study Completion
March 1, 2017
Last Updated
July 3, 2018
Results First Posted
July 3, 2018
Record last verified: 2018-07