- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02722746
The Prevention of Hypotension After Epidural Analgesia After Major Surgery
The Prevention of Hypotension After Epidural Analgesia After Major Surgery by Adding Epinephrine to Infusions to Counteract Sympathectomy: a Double- Blind, Controlled, Randomized, Prospective Dose-finding Study
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Participants undergoing epidural analgesia to treat perioperative pain associated with major surgery will be approached for their willingness to participate in the study. Participants undergoing major thoracic, abdominal, or orthopaedic surgery for whom thoracic or lumbar epidural block would be indicated and planned for intraoperative and postoperative analgesia as per the University of Florida Acute Pain Service (APS) usual and routine practice will be included in this study.
All participants will receive a standardized continuous epidural block at the appropriate level for the planned surgery by the APS physicians in the block room that day. For the standardized continuous epidural block, placement will be confirmed with loss of resistance technique (LORA), wave form analysis or nerve stimulation.
Participants will be randomly allocated by computer-generated randomization to one of four groups. This will be a quintuple blinded prospective study. The anesthesiologist managing the intraoperative anesthesia, the anesthesiologists (APS) placing the blocks and following the participants on the floors, the research nurse taking the measurement, the surgeons, nor the participants will be aware of what combination of drugs are used for the epidural block infusion.
The three groups will consist of:
- Group A (Ropivacaine 0.2% infusion; Control group)
- Group B (Ropivacaine 0.2% + 2 mcg/mL epinephrine)
- Group C (Ropivacaine 0.2% + 5 mcg/mL epinephrine)
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Florida
-
Gainesville, Florida, United States, 32610
- UF Health
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- undergoing epidural analgesia to treat perioperative pain associated with major surgery
- undergoing major thoracic surgery
- undergoing major abdominal surgery
- undergoing major orthopaedic surgery
Exclusion Criteria:
- sepsis
- acute trauma
- coagulopathy
- preoperative hemodynamic instability
- symptomatic coronary artery disease
- patients from the ICU whose tracheas were intubated for any cause
- allergies to medications in the protocol
- primary or secondary block failure
Study Plan
How is the study designed?
Design Details
- Primary Purpose: BASIC_SCIENCE
- Allocation: RANDOMIZED
- Interventional Model: PARALLEL
- Masking: QUADRUPLE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
PLACEBO_COMPARATOR: Ropivacaine only Control group
The participants in this group will receive standard anesthesia, epidural analgesia with 0.2% ropivacaine with no epinephrine added during the procedure.
|
Epidural block infusion with Ropivacaine 0.2% will be provided as the anesthesia per standard of care during the procedure.
Other Names:
|
ACTIVE_COMPARATOR: Ropivacaine + 2 mcg/mL epinephrine
The participants in this group will receive standard anesthesia (Ropivacaine 0.2%) with the addition of 2mcg/mL of epinephrine during the procedure.
|
Epidural block infusion with Ropivacaine 0.2% will be provided as the anesthesia per standard of care during the procedure.
Other Names:
Participants will receive epinephrine in their epidural block infusion during the procedure.
The amount of epinephrine provided during the procedure will be based on the group assignment.
Other Names:
|
ACTIVE_COMPARATOR: Ropivacaine + 5 mcg/mL epinephrine
The participants in this group will receive standard anesthesia (Ropivacaine 0.2%) with the addition of 5mcg/mL of epinephrine during the procedure.
|
Epidural block infusion with Ropivacaine 0.2% will be provided as the anesthesia per standard of care during the procedure.
Other Names:
Participants will receive epinephrine in their epidural block infusion during the procedure.
The amount of epinephrine provided during the procedure will be based on the group assignment.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes between the 3 groups assessed by blood pressure measurement
Time Frame: Change from baseline to end of the intra-operative period
|
Hypotension will be assessed by systolic blood pressure (SBP) > 20% below the baseline preoperative measurements and acquired before the epidural or any sedation has been administered and the intra-operative period
|
Change from baseline to end of the intra-operative period
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes between the 3 groups assessed by the spread of local anesthetic (block) effect
Time Frame: Change from baseline to 72 hours after discharge from the post anesthesia care unit (PACU)
|
Spread of local anesthetic (block) effect as tested by sensitivity to cold recorded every hour postoperatively and every 8 hours for the subsequent 72 hours after discharge from the PACU.
|
Change from baseline to 72 hours after discharge from the post anesthesia care unit (PACU)
|
Changes between the 3 groups assessed by ambulation after surgery
Time Frame: From post-operative (post-op) day 1 to post-op day 3
|
Ambulation on post-op day 1, post-op day 2 and post-op day 3, will be recorded by distance ambulated per 24-hour period.
|
From post-operative (post-op) day 1 to post-op day 3
|
Changes between the 3 groups assessed by opioid usage
Time Frame: From day of surgery (0) to post-op day 3
|
Opioid usage data will be recorded and converted to morphine equivalents and averaged for day 0, and post-op days 1, 2, and 3 per group.
|
From day of surgery (0) to post-op day 3
|
Changes between the 3 groups assessed by opioid-related side effects
Time Frame: From day of surgery (0) to post-op day 3
|
Side effects such as pruritus, nausea/vomiting, and respiratory depression (defined as respiratory rate less than 10 breaths per minute of oxygen saturation more than 7 points lower that the patients preoperative value on room air) will be recorded.
|
From day of surgery (0) to post-op day 3
|
Changes between the 3 groups assessed by fluid balance
Time Frame: From post-op day 1 to post-op day 3
|
24 hour intake and output for the first 72 hours to assess fluid balance
|
From post-op day 1 to post-op day 3
|
Changes between the 3 groups assessed by length of hospitalization
Time Frame: From post-op day 1 to post-op day 3
|
Length of hospitalization
|
From post-op day 1 to post-op day 3
|
Changes between the 3 groups assessed by amount of days before return to oral intake status
Time Frame: From post-op day 1 to post-op day 3
|
Return to oral intake status
|
From post-op day 1 to post-op day 3
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Olga C. Nin, MD, University of Florida
Study record dates
Study Major Dates
Study Start (ACTUAL)
Primary Completion (ACTUAL)
Study Completion (ACTUAL)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (ESTIMATE)
Study Record Updates
Last Update Posted (ACTUAL)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Cardiovascular Diseases
- Vascular Diseases
- Hypotension
- Physiological Effects of Drugs
- Adrenergic Agents
- Neurotransmitter Agents
- Molecular Mechanisms of Pharmacological Action
- Central Nervous System Depressants
- Autonomic Agents
- Peripheral Nervous System Agents
- Sensory System Agents
- Anesthetics
- Adrenergic alpha-Agonists
- Adrenergic Agonists
- Anesthetics, Local
- Bronchodilator Agents
- Anti-Asthmatic Agents
- Respiratory System Agents
- Adrenergic beta-Agonists
- Sympathomimetics
- Vasoconstrictor Agents
- Mydriatics
- Ropivacaine
- Epinephrine
Other Study ID Numbers
- IRB201600185
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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