Minimum Effective Concentration of Ropivacaine for Brachial Plexus Block Via the Supraclavicular and Infraclavicular Approach, Femoral Nerve Block, Sciatic Nerve Block Via the Popliteal and Parasacral Approach
Stopped early · Phase 2
Conditions studied: Surgical Anesthesia
In brief
This is a dose finding study to identify the minimum effective anesthetic concentration (MEAC) of ropivacaine to produce insensate body parts sufficient for surgery in supraclavicular and infraclavicular approaches to the brachial plexus, parasacral and popliteal approaches to the sciatic nerve, femoral nerve and transversus abdominis plane (TAP) blocks in adults.
Key facts
- Study ID
- NCT01452126
- Run by
- University of New Mexico
- People needed
- 49
- Starts
- 2011-06-01
- Expected to finish
- 2011-09-01
- Last updated by the study team
- 2016-12-19
Who can join
Age: 18 and older. Sex: any. Healthy volunteers: not accepted.
You may qualify if…
- American Society of Anesthesiologists physical status I to III (patients may be healthy or have systemic disease, but any disease does not pose a constant threat to life, and patients are neither moribund, nor not expected to survive without the operation).
- Age 18 or above
- Undergoing elective ambulatory surgery of the upper limb (excluding the shoulder), lower limb (excluding the hip), or lower abdomen with sensory blockade as part of the pain management plan.
You may not qualify if…
- Body mass index of >35 kg/m2 (higher chance of failure)
- Deformities of the leg (for patients in the parasacral, femoral, and popliteal groups), or the chest or shoulder (for patients in the supraclavicular, infraclavicular, and TAP groups)
- Preexisting infection at the injection site
- Existing neurologic disease
- Allergy to local anesthetic agents
- Severe respiratory disease
- Coagulopathy
- Any other contraindication to the block being considered
- Patients requiring total motor blockade as well as sensory blockade
Where it is running
- Univeristy of Mexico Outpatient Surgical and imaging service — Albuquerque, New Mexico, United States
Full record on ClinicalTrials.gov
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