Initial Local Anesthetic Dose With Continuous Interscalene Analgesia

Completed · Not applicable

Conditions studied: Post-operative Pain

In brief

Objective: To determine a minimally effective initial local anesthetic bolus required to provide satisfactory analgesia using continuous brachial plexus infusion following arthroscopic shoulder surgery using a double-blind, randomized, study comparing 3 initial doses.

Key facts

Study ID

NCT00672100

Run by

Corewell Health East

People needed

36

Starts

2009-01-01

Expected to finish

2010-08-01

Last updated by the study team

2017-03-07

Who can join

Age: 18 and older, up to 80. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Provide written informed consent prior to participation in the study.
• Is scheduled to undergo Arthroscopic Rotator Cuff Repair, defined as arthroscopically assisted repair of any of the muscles or tendons comprising the rotator cuff.
• If subject is a female of childbearing potential, have a negative pregnancy test on the day of surgery per standard of care
• Be at least 18, but not more than 80 years of age
• Have an ASA risk class of I, II, or III according to the American Society of Anesthesiologists (ASA).
• Have the ability to read and understand the study procedures and the use of the pain scales. Must have the ability to communicate meaningfully with the Study Investigator and staff.
• Be free of other physical, mental, or medical conditions, which in the opinion of the Investigator, makes study participation inadvisable.

You may not qualify if…

• Subjects requiring daily opioids equivalent to greater than 40 mg oxycodone for over 2 weeks prior to the study.
• Has significant preexisting pulmonary (respiratory/breathing) disease, diaphragmatic paralysis or history of phrenic nerve injury (problems with the diaphragm causing breathing difficulties).
• Has significant medical disease(s), laboratory abnormalities or condition(s) that in the Investigator's judgment could compromise the subject's welfare, ability to communicate with the study staff, complete study activities, or would otherwise contraindicate study participation.
• Has known significant hypersensitivity to opioids, Ropivacaine, or the inactive ingredients (excipients) of the study medications.
• Has known or suspected history of alcohol or drug abuse or dependence within the previous 2 years.
• Has clinically significant liver disease, or other condition (e.g., alcoholism, cirrhosis, or hepatitis) based on medical history and examination.
• Has participated in another clinical Study (investigational or marketed product within 30 days of surgery.

Where it is running

• William Beaumont Hospital — Royal Oak, Michigan, United States
• William Beaumont Hospitals — Troy, Michigan, United States

Full record on ClinicalTrials.gov

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