- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT06069219
Pharmacokinetics of Sufentanil After Epidural Administration
October 1, 2023 updated by: Agnieszka Bienert, Poznan University of Medical Sciences
Pharmacokinetics of Sufentanil After Epidural Administration in Patients Undergoing Abdominal Surgery
Sufentanil is an opioid analgesics used in all groups of patients.
It has one of the strongest effects among analgesic drugs.
Sufentanil is widely-used because of its very quick onset, short duration of action, and better hemodynamic stability in patients compared to other opioids.
Most of the pharmacokinetic studies described intravenous administration of sufentanil.
The drug can also be epidural administrated (especially continuous epidural infusion) in low concentration with local anesthetics (ropivacaine or bupivacaine) for epidural analgesia.
Epidural analgesia offers effective pain relief not only during the surgery, but also postoperatively.
The combination of two drugs provides their additive effect and can reduce doses required for pain relief, then decreases the number and severity of adverse events.
The study aims to describe the pharmacokinetics of epidural sufentanil used perioperative in adult patients after abdominal surgery to adjust the dosage if necessary.
Study Overview
Status
Completed
Intervention / Treatment
Detailed Description
The patients qualified for abdominal surgery were enrolled in the study.
All patients were premedicated with oral midazolam (7.5 mg).
Epidural cannulations were placed by anesthesiologists before general anesthesia.
The catheters' placement procedure was conducted under local anesthesia and according to the local protocol for the infections' prevention.
The epidural infusion (solution of 0.2 % ropivacaine 5 ml with 25 to 50 mcg sufentanil in 50 ml of 0,9% NaCl) was started with a 5 mL bolus of the mentioned solution a few minutes before skin incision.
The continuous infusion was maintained throughout the surgery at the rate of 3-12 mL/h.
The patients were induced into general endotracheal anesthesia according to a standardized protocol, with propofol 1-3 mg/kg, fentanyl 1-2 mcg/kg, and rocuronium bromide 0.6 mg/kg.
Anaesthesia was continued by using sevoflurane or desflurane MAC 1 to maintain mean arterial pressure with a value of +/- 20% of the original value.
The postoperatively patients were monitored in the PACU (Post Anesthesia Care Unit) for 1 hour and then transferred to the intensive care unit or surgical unit according to their clinical status and co-morbidities.
Whole blood samples (2.0 ml) were collected to measure sufentanil concentrations - during the epidural infusion and up to 72 hours after its cessation.
Vital parameters (e.g.
blood pressure, saturation, heart rate, respiratory rate, and pain score) were monitored at regular intervals.
The epidural sufentanil and ropivacaine infusion were continued after surgery as long as was necessary.
Study Type
Observational
Enrollment (Actual)
18
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
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Greater Poland
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Poznań, Greater Poland, Poland, 60-355
- Heliodor Swiecicki Clinical Hospital in Poznan
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Pomeranian Voivodeship
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Gdańsk, Pomeranian Voivodeship, Poland, 80-416
- Medical University of Gdansk
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
- Adult
- Older Adult
Accepts Healthy Volunteers
No
Sampling Method
Probability Sample
Study Population
The adult patients qualified to abdominal surgery performed in epidural anesthesia using sufentanil.
Description
Inclusion Criteria:
- age 18-70 years,
- qualifications for abdominal surgery,
- ASA I-III
Exclusion Criteria:
- proven allergies to sufentanil,
- lack of written confirmed consent of a patient
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Adult patients received epidural sufentanil during and after abdominal surgery
All patients were premedicated with oral midazolam 7,5 mg and then they were induced into general endotracheal anesthesia according to a standardized protocol, with propofol 1-3 mg/kg, fentanyl 1-2 ug/kg and rocuronium bromide 0.6 mg/kg.
Anaesthesia was continued with sevoflurane or desflurane MAC 1 to maintain mean arterial pressure with a value of +/- 20% of the original value.
The epidural sufentanil infusion was started with bolus during anesthesia and continued after surgery as long as was necessary.
|
The epidural cannulations were placed by anesthesiologists before general anesthesia.
Correct positioning of the catheters were tested and confirmed by negative aspiration and injection of 3 mL of 2% Lidocaine.
The epidural infusion (solution of 0.2 % ropivacaine 5 ml with 25 to 50 mcg sufentanil in 50 ml of 0,9% NaCl) was started with bolus of 5 ml over 5 minutes and then continuous infusion was maintained was throughout the surgery at 3-12 mL/h and 2-12 mL/h after the surgery.
Single dose of sufentanil was given when needed.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Measurement of the depth of analgesia using NRS
Time Frame: before the beginning of sufentanil administration, during sufentatnil administration, up to 72 hours after sufentatnil administration
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Measurement of the depth of analgesia using NRS (Numeral Rating Scale) during epidural administration of sufentanil.
Sufentanil was given for surgery patients during and after abdominal surgery as an analgesic agent.
|
before the beginning of sufentanil administration, during sufentatnil administration, up to 72 hours after sufentatnil administration
|
Sufentanil plasma concentrations [pg/ml]
Time Frame: 5, 30 minutes, 1, 2, 4, 6, 12 h after the begining of epidural infusion of sufentanil, then 1 blood samples every 24 h, just before the epidural infusion cessation and 3, 5, 20, 40 minutes, and 1, 2, 6, 12, 36, 72 hours after the infusion cessati
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Measurements of sufentanil plasma concentrations [pg/ml] during epidural analgesia with sufentanil.
Whole blood samples (2.0 ml) were collected according to the study protocol.
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5, 30 minutes, 1, 2, 4, 6, 12 h after the begining of epidural infusion of sufentanil, then 1 blood samples every 24 h, just before the epidural infusion cessation and 3, 5, 20, 40 minutes, and 1, 2, 6, 12, 36, 72 hours after the infusion cessati
|
Systolic blood pressure
Time Frame: before the beginning of sufentanil administration, during sufentatnil administration, up to 72 hours after the cessation of sufentatnil administration
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Measurements of systolic blood pressure during epidural analgesia with sufentanil.
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before the beginning of sufentanil administration, during sufentatnil administration, up to 72 hours after the cessation of sufentatnil administration
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Diastolic blood pressure
Time Frame: before the beginning of sufentanil administration, during sufentatnil administration, up to 72 hours after the cessation of sufentatnil administration
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Measurements of diastolic blood pressure during epidural analgesia with sufentanil.
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before the beginning of sufentanil administration, during sufentatnil administration, up to 72 hours after the cessation of sufentatnil administration
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Heart rate
Time Frame: before the beginning of sufentanil administration, during sufentatnil administration, up to 72 hours after the cessation of sufentatnil administration
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Measurements of heart rate during epidural analgesia with sufentanil.
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before the beginning of sufentanil administration, during sufentatnil administration, up to 72 hours after the cessation of sufentatnil administration
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Collaborators
Investigators
- Study Director: Edmund Grześkowiak, MSc, PhD, Poznan University of Medical Sciences
- Study Director: Krzysztof Kusza, MD, PhD, Heliodor Swiecicki Clinical Hospital in Poznan
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
June 1, 2019
Primary Completion (Actual)
February 28, 2020
Study Completion (Actual)
January 31, 2023
Study Registration Dates
First Submitted
October 1, 2023
First Submitted That Met QC Criteria
October 1, 2023
First Posted (Actual)
October 5, 2023
Study Record Updates
Last Update Posted (Actual)
October 5, 2023
Last Update Submitted That Met QC Criteria
October 1, 2023
Last Verified
October 1, 2023
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 1144/18
- 2014/15/N/NZ7/03028 (Other Grant/Funding Number: Polish National Science Centre)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
YES
IPD Plan Description
All data with analysis will be available after a publication of study results as a manuscript.
IPD Sharing Time Frame
The data will be available in 12 months and available for 5 years
IPD Sharing Access Criteria
Scientists
IPD Sharing Supporting Information Type
- STUDY_PROTOCOL
- SAP
- ICF
- ANALYTIC_CODE
- CSR
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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