Sevoflurane-Remifentanil Interaction: Multiple Response Surfaces, Validation of Calibration Stimuli, Validation of the Intraoperative Isobole Concept and Investigating Remifentanil Induced Opioid Tolerance

This study has been completed.
Sponsor:
Information provided by (Responsible Party):
University Hospital, Ghent
ClinicalTrials.gov Identifier:
NCT00522587
First received: August 27, 2007
Last updated: January 29, 2013
Last verified: January 2013
  Purpose

During this study, the pharmacodynamic interactions between sevoflurane and remifentanil will be studied.


Condition Intervention Phase
Anesthesia
Drug: Fixed sevoflurane dose 1
Drug: Fixed sevoflurane dose 2
Drug: Fixed sevoflurane dose 3
Drug: Fixed sevoflurane dose 4
Drug: Fixed sevoflurane dose 5
Drug: Fixed sevoflurane dose 6
Drug: Fixed remifentanil dose 1
Drug: Fixed remifentanil dose 2
Drug: Fixed remifentanil dose 3
Drug: Fixed remifentanil dose 4
Drug: Fixed remifentanil dose 5
Drug: Fixed remifentanil dose 6
Phase 2

Study Type: Interventional
Study Design: Allocation: Randomized
Endpoint Classification: Efficacy Study
Intervention Model: Parallel Assignment
Masking: Open Label
Primary Purpose: Treatment
Official Title: Sevoflurane-Remifentanil Interaction: Multiple Response Surfaces, Validation of Calibration Stimuli, Validation of the Intraoperative Isobole Concept and Investigating Remifentanil Induced Opioid Tolerance

Resource links provided by NLM:


Further study details as provided by University Hospital, Ghent:

Primary Outcome Measures:
  • EEG depression and arousal reactions in response to different clinically relevant stimuli [ Time Frame: 60 to 90 minutes ] [ Designated as safety issue: Yes ]

Enrollment: 40
Study Start Date: April 2008
Study Completion Date: December 2011
Primary Completion Date: July 2009 (Final data collection date for primary outcome measure)
Arms Assigned Interventions
Experimental: 1
Fixed sevoflurane dose 1
Drug: Fixed sevoflurane dose 1
Dose 1 of sevoflurane
Experimental: 2
Fixed sevoflurane dose 2
Drug: Fixed sevoflurane dose 2
Dose 2 of sevoflurane
Experimental: 3
Fixed sevoflurane dose 3
Drug: Fixed sevoflurane dose 3
Dose 3 of sevoflurane
Experimental: 4
Fixed sevoflurane dose 4
Drug: Fixed sevoflurane dose 4
Dose 4 of sevoflurane
Experimental: 5
Fixed sevoflurane dose 5
Drug: Fixed sevoflurane dose 5
Dose 5 of sevoflurane
Experimental: 6
Fixed sevoflurane dose 6
Drug: Fixed sevoflurane dose 6
Dose 6 of sevoflurane
Experimental: 7
Fixed remifentanil dose 1
Drug: Fixed remifentanil dose 1
Dose 1 of remifentanil
Experimental: 8
Fixed remifentanil dose 2
Drug: Fixed remifentanil dose 2
Dose 2 of remifentanil
Experimental: 9
Fixed remifentanil dose 3
Drug: Fixed remifentanil dose 3
Dose 3 of remifentanil
Experimental: 10
Fixed remifentanil dose 4
Drug: Fixed remifentanil dose 4
Dose 4 of remifentanil
Experimental: 11
Fixed remifentanil dose 5
Drug: Fixed remifentanil dose 5
Dose 5 of remifentanil
Experimental: 12
Fixed remifentanil dose 6
Drug: Fixed remifentanil dose 6
Dose 6 of remifentanil

  Eligibility

Ages Eligible for Study:   18 Years to 60 Years
Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No
Criteria

Inclusion Criteria:

  • American Society of Anesthesia class I and II patients
  • Aged 18-60 years
  • Scheduled for surgery under general anesthesia

Exclusion Criteria:

  • Weight less than 70% or more than 130% of ideal body weight
  • Neurological disorder
  • Diseases involving the cardiovascular system (hypertension, coronary artery disease, prior acute myocardial infarction (AMI), any valvular and/or muscular disease involving decrease of the ejection fraction, arrhythmias, which are either symptomatic or require continuous medication/pacemaker/automatic implantable cardioverter defibrillator [AICD])
  • Pulmonary disease including asthma, severe chronic obstructive pulmonary disease (COPD), etc.
  • Gastric diseases including reflux, endocrinological diseases
  • Recent use of psycho-active medication, including alcohol.
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00522587

Locations
Belgium
University Hospital Ghent
Ghent, Belgium, 9000
Sponsors and Collaborators
University Hospital, Ghent
Investigators
Principal Investigator: Michel Struys, MD, PhD University Hospital, Ghent
  More Information

Additional Information:
No publications provided

Responsible Party: University Hospital, Ghent
ClinicalTrials.gov Identifier: NCT00522587     History of Changes
Other Study ID Numbers: 2007/242
Study First Received: August 27, 2007
Last Updated: January 29, 2013
Health Authority: Belgium: Federal Agency for Medicinal Products and Health Products

Additional relevant MeSH terms:
Remifentanil
Sevoflurane
Analgesics
Analgesics, Opioid
Anesthetics
Anesthetics, General
Anesthetics, Inhalation
Anesthetics, Intravenous
Central Nervous System Agents
Central Nervous System Depressants
Hematologic Agents
Hypnotics and Sedatives
Narcotics
Peripheral Nervous System Agents
Pharmacologic Actions
Physiological Effects of Drugs
Platelet Aggregation Inhibitors
Sensory System Agents
Therapeutic Uses

ClinicalTrials.gov processed this record on October 23, 2014