Factors Influencing Anesthetic Drug Requirement
PosoAnes
Impact of Environmental and Demographic Factors on Pre-operative Doses of Anesthetic Agents (Prospective Multicenter Study)
1 other identifier
interventional
3,278
1 country
4
Brief Summary
The main objective of the study is to analyze the influence of several environmental (i.e., timing: seasonal, circadian) and demographic conditions (i.e., age, gender, menstrual cycle) on anesthetic drug requirements (hypnotic and opiate).
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for not_applicable
Started May 2009
Longer than P75 for not_applicable
4 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
May 4, 2009
CompletedFirst Submitted
Initial submission to the registry
May 8, 2009
CompletedFirst Posted
Study publicly available on registry
May 12, 2009
CompletedPrimary Completion
Last participant's last visit for primary outcome
July 31, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
July 31, 2017
CompletedAugust 14, 2019
August 1, 2019
8.2 years
May 8, 2009
August 13, 2019
Conditions
Outcome Measures
Primary Outcomes (1)
The dose of propofol required to maintain BIS (bispectral index) between 40 and 60 during maintenance of anesthesia
during anesthesia
Secondary Outcomes (9)
Propofol dose required for anesthesia induction
intraoperative period
Remifentanil dose required for anesthesia induction
intraoperative period
Remifentanil dose requirements for maintenance of anesthesia
intraoperative period
Wake up time
intraoperative period
Explicit memorisation
post-operative period
- +4 more secondary outcomes
Study Arms (1)
Closed loop anesthesia
EXPERIMENTALInterventions
Propofol and Remifentanil are administered automatically using a closed-loop system
Eligibility Criteria
You may qualify if:
- Patients undergoing scheduled surgery under general anesthesia, agreeing to participate in the study
You may not qualify if:
- Age under 18 years
- Pregnancy, breastfeeding woman
- Allergy to propofol, soybeans or peanuts
- Allergy to sufentanil, remifentanil, morphine,
- Allergy to a muscle relaxant or to any of its excipients
- Known hypersensitivity to sufentanil, remifentanil, or to other derivates of fentanyl
- History of central neurological disorder or brain injury
- Patient with dementia
- Patient with pacemaker
- Patient receiving psychotropic drugs or morphine agonist-antagonists
- Surgery on the skull and/or operating position preventing the use of a bispectral index sensor in suitable conditions
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Hopital Fochlead
Study Sites (4)
CHU Besançon
Besançon, 25000, France
Centre Hospitalier de Dreux
Dreux, 28102, France
Hôpital Tenon
Paris, 75020, France
Hôpital Foch
Suresnes, 92151, France
Study Officials
- STUDY CHAIR
Marc Fischler, MD
Hôpital Foch
Study Design
- Study Type
- interventional
- Phase
- not applicable
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
May 8, 2009
First Posted
May 12, 2009
Study Start
May 4, 2009
Primary Completion
July 31, 2017
Study Completion
July 31, 2017
Last Updated
August 14, 2019
Record last verified: 2019-08