- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02054468
Rocuronium Dose Finding Study After Single-shot or Steady-state Propofol Anesthesia (ROSANNA)
Rocuronium Dose Finding Study After Single-shot or Steady-state Propofol
Study Overview
Status
Conditions
Intervention / Treatment
- Drug: Single-Shot Propofol
- Drug: Remifentanil infusion
- Drug: Rocuronium (0.07mg/kg/body mass)
- Drug: Rocuronium (0.1mg/kg/body mass)
- Drug: Rocuronium (0.15mg/kg/body mass)
- Drug: Rocuronium (0.2mg/kg/body mass)
- Drug: Rocuronium (0.3mg/kg/body mass)
- Drug: Rocuronium (0.45mg/kg/body mass)
- Drug: 30min infusion Propofol
Detailed Description
Neuromuscular blocking agents are worldwide used as a standard component of a modern balanced anesthesia regime. They are administered to facilitate tracheal intubation, reduce laryngeal trauma and optimize surgical conditions. The dose usually recommended to facilitate tracheal intubation approximates at least two times the drug´s effective dose ED-95 (the dose required for a 95% effect) depending on the choice of the neuromuscular blocking agent. This overdose is administered to induce a very deep paralysis with a fast onset of action providing clinically acceptable intubating conditions. Moreover, our clinical experience has shown that the dose-relationship of a neuromuscular blocking agents estimated during steady-state anesthesia does not necessarily correlate with the dose-response curve of the same drug during anesthetic induction. Therefore, a discrepancy between the applied dose and the clinical outcome measure, the intubating conditions, becomes apparent. This might be related to effects of the co-administered anesthetics at the neuromuscular junction. While inhaled anesthetics augment the paralyzing effects of non-depolarizering muscle relaxants in a dose-dependent fashion and depend on the duration of anesthesia, little is known about the interactions of the intravenous anesthetic propofol with the non-depolarizing blocking agent rocuronium. We hypothesize that the intravenous administration of propofol also influences the potency of rocuronium dependant on the duration of its application.
This study, therefore, is designed to determine the dose-response relationship of rocuronium after single-shot or steady-state propofol anesthesia in a clinical setting. The primary endpoints are the ED-50s and ED-95s of rocuronium during anesthetic induction with a single-shot propofol and after 30minutes of steady-state propofol anesthesia. The secondary endpoints are the slopes and the intercepts of the respective dose-response-curves, the onset and duration of muscle paralysis and the recovery from neuromuscular blockade.
Materials & Methods
We will investigate patients scheduled for elective low-risk surgical procedures under general anesthesia. Patients will be allocated to two experimental groups. After neuromuscular monitoring is established under remifentanil infusion, patients of the group "Induction" will receive a single-shot propofol followed by injection of rocuronium and endotracheal intubation. Patients of the group "Maintenance" will be anaesthetized with an induction dose of propofol followed by 30 minutes of total intravenous anesthesia (TIVA: propofol/ remifentanil) before rocuronium is administered. Airway will be managed using a laryngeal mask or tracheal intubation.
During surgery, anesthesia will be maintained with TIVA. Onset and duration of neuromuscular blockade and spontaneous recovery will be monitored with electromyography.
Postoperatively, patients will be monitored for 60 minutes in our post-anesthesia care unit.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
-
-
Bavaria
-
Munich, Bavaria, Germany, 81675
- Klinik für Anaesthesiologie, Klinikum rechts der Isar der Technischen Universität München
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients scheduled for a low risk-surgical procedure under general anesthesia
- Patients ASA physical status I-III
- Patients older than 18years
- Patients having given informed consent to the study
Exclusion Criteria:
- Patients who decline to give informed consent to the study
- Known or suspected allergy towards anesthetics or rocuronium
- Pregnant and breastfeeding women
- Known or suspected neuromuscular disease
- Burn injury prior to the investigation
- Anatomic and functional malformations with expected difficult intubation
- Anorexia, Bulimia nervosa, Malnutrition
- Heart failure
- Use of drugs that interfere with muscle relaxant
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Single-shot-Propofol & Remifentanil
Induction group: A single-shot propofol induction dose with remifentanil infusion followed by injection of rocuronium (for doses, please see interventions).
Airway: tracheal intubation
|
Single-shot propofol induction dose (1.5-2.5mg/kg
body mass)
Other Names:
Remifentanil infusion (0.1-0.2µg/kg/min)
Other Names:
Rocuronium (0.07mg/kg/body mass)
Other Names:
Rocuronium (0.1mg/kg/body mass)
Other Names:
Rocuronium (0.15mg/kg/body mass)
Other Names:
Rocuronium (0.2mg/kg/body mass)
Other Names:
Rocuronium (0.3mg/kg/body mass)
Other Names:
Rocuronium (0.45mg/kg/body mass)
Other Names:
|
Experimental: 30min infusion Propofol & Remifentanil
Maintenance group: 30min of total intravenous anesthesia (TIVA) with propofol and remifentanil before rocuronium (for doses, please see interventions) is administered.
Airway: tracheal intubation/laryngeal mask
|
Remifentanil infusion (0.1-0.2µg/kg/min)
Other Names:
Rocuronium (0.07mg/kg/body mass)
Other Names:
Rocuronium (0.1mg/kg/body mass)
Other Names:
Rocuronium (0.15mg/kg/body mass)
Other Names:
Rocuronium (0.2mg/kg/body mass)
Other Names:
Rocuronium (0.3mg/kg/body mass)
Other Names:
Rocuronium (0.45mg/kg/body mass)
Other Names:
30min of propofol infusion (4-6mg/kg/h)
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
ED-50 of rocuronium
Time Frame: Anesthesia time during their surgical procedure (=arrival in the OR until discharge from the post-anesthesia care unit), ca. 180min
|
The primary outcome measure is the 1) ED-50 of rocuronium during anesthesia induction with propofol and after steady-state propofol anesthesia
|
Anesthesia time during their surgical procedure (=arrival in the OR until discharge from the post-anesthesia care unit), ca. 180min
|
ED-95 of rocuronium
Time Frame: Anesthesia time during their surgical procedure (=arrival in the OR until discharge from the post-anesthesia care unit), ca. 180min
|
The primary outcome measure is 2) the ED-95 of rocuronium during anesthesia induction with propofol and after steady-state propofol anesthesia
|
Anesthesia time during their surgical procedure (=arrival in the OR until discharge from the post-anesthesia care unit), ca. 180min
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Pharmacodynamics of rocuronium (composite outcome measure)
Time Frame: Anesthesia time during their surgical procedure (=arrival in the OR until discharge from the post-anesthesia care unit), ca. 180min
|
The secondary outcome measures are the slopes and the intercepts of the dose-response-curves for rocuronium, the onset and duration of muscle paralysis and the recovery from neuromuscular blockade.
|
Anesthesia time during their surgical procedure (=arrival in the OR until discharge from the post-anesthesia care unit), ca. 180min
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Manfred Blobner, M.D., Klinik für Anaesthesiologie, Klinikum rechts der Isar der Technischen Universität München, Ismaninger Str. 22, 81675 München, Germany
Publications and helpful links
General Publications
- Debaene B, Plaud B, Dilly MP, Donati F. Residual paralysis in the PACU after a single intubating dose of nondepolarizing muscle relaxant with an intermediate duration of action. Anesthesiology. 2003 May;98(5):1042-8. doi: 10.1097/00000542-200305000-00004.
- Naguib M, Seraj M, Abdulrazik E. Pipecuronium-induced neuromuscular blockade during nitrous oxide-fentanyl, enflurane, isoflurane, and halothane anesthesia in surgical patients. Anesth Analg. 1992 Aug;75(2):193-7. doi: 10.1213/00000539-199208000-00007.
- Viby-Mogensen J, Jorgensen BC, Ording H. Residual curarization in the recovery room. Anesthesiology. 1979 Jun;50(6):539-41. doi: 10.1097/00000542-197906000-00014. No abstract available.
- Eikermann M, Blobner M, Groeben H, Rex C, Grote T, Neuhauser M, Beiderlinden M, Peters J. Postoperative upper airway obstruction after recovery of the train of four ratio of the adductor pollicis muscle from neuromuscular blockade. Anesth Analg. 2006 Mar;102(3):937-42. doi: 10.1213/01.ane.0000195233.80166.14.
- Hemmerling TM, Le N, Decarie P, Cousineau J, Bracco D. Total intravenous anesthesia with propofol augments the potency of mivacurium. Can J Anaesth. 2008 Jun;55(6):351-7. doi: 10.1007/BF03021490.
- Robertson EN, Fragen RJ, Booij LH, van Egmond J, Crul JF. Some effects of diisopropyl phenol (ICI 35 868) on the pharmacodynamics of atracurium and vecuronium in anaesthetized man. Br J Anaesth. 1983 Aug;55(8):723-8. doi: 10.1093/bja/55.8.723.
Study record dates
Study Major Dates
Study Start
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 (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Physiological Effects of Drugs
- Central Nervous System Depressants
- Peripheral Nervous System Agents
- Analgesics
- Sensory System Agents
- Anesthetics, Intravenous
- Anesthetics, General
- Anesthetics
- Analgesics, Opioid
- Narcotics
- Hypnotics and Sedatives
- Neuromuscular Agents
- Neuromuscular Nondepolarizing Agents
- Neuromuscular Blocking Agents
- Remifentanil
- Propofol
- Rocuronium
Other Study ID Numbers
- ROSANNA
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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