Comparision of Different Dose of Neostigmine at Advanced Decurarization (NEODEC)
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Neuromuscular blockers (NMB) are currently used in anesthesia. Residual paralysis (RP) due to NMB is responsible for respiratory disorders after extubation. Neuromuscular blockade is monitored by train-of-four (TOF) stimulation at the adductor pollicis. To exclude a RP a mechanomyographic TOF ratio of 0.9 is mandatory. But mecanomyography is not available in clinical routine. Acceleromyography is the most currently monitoring available in daily practice but it has been proved that an acceloromyographic (AMG) TOF ratio of 1.0 is necessary to exclude a RP. The incidence of RP in recovery room is underestimated. So to perform a safe extubation, reversal of the neuromuscular blockade is necessary when an AMG TOF ratio has not reached 1.0. Reversal of neuromuscular blockade is achieved with neostigmine. The recommended dose is 0.04 mg/kg. The administration of neostigmine causes parasympathomimetic effects which has to be reversed with atropine. When neuromuscular blockade is light (AMG TOF ratio of 0.4 which corresponds to the absence of fade at the visual evaluation of the TOF), a low dose of neostigmine might be sufficient with less side effects expected. The goal of the study is to compare the delay between a light neuromuscular block and an AMG TOF ratio of 1.0 for three neostigmine regimens of neostigmine 0.04, 0.02, 0.01 mg/kg with atropine respectively 0.02, 0.01, 0.005 mg/kg and a placebo.
Condition | Intervention | Phase |
---|---|---|
Anesthesia |
Drug: neostigmine |
Phase 3 |
Study Type: | Interventional |
Study Design: | Allocation: Randomized Endpoint Classification: Safety/Efficacy Study Intervention Model: Parallel Assignment Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor) Primary Purpose: Treatment |
Official Title: | Randomized, Controlled, Double-blind, Prospective Study, Comparing Different Doses of Neostigmine at Advanced Decurarization . |
- mesure of the train of four, vitals signs, electrocardiogramm, bispectral index of Electro-encephalogram measuring the depth of anesthesia [ Time Frame: inclusion, anesthesia, anesthesia +6 hours, anesthesia + 12 hours, anesthesia +24h, anesthesia +48 h ] [ Designated as safety issue: Yes ]
Estimated Enrollment: | 72 |
Study Start Date: | March 2009 |
Study Completion Date: | November 2009 |
Primary Completion Date: | October 2009 (Final data collection date for primary outcome measure) |
Arms | Assigned Interventions |
---|---|
Active Comparator: 1
neostigmine 0.04 mg.kg associated with atropine 0.02 mg/kg
|
Drug: neostigmine
0.04 mg/kg IV bolus, injection when the of train of four is > or = to 40 %
|
Active Comparator: 2
neostigmine 0.02 mg.kg associated with atropine 0.01 mg/kg
|
Drug: neostigmine
0.02 mg/kg IV bolus, injection when the of train of four is > or = to 40 %
|
Active Comparator: 3
neostigmine 0.1 mg.kg associated with atropine 0.05 mg/kg
|
Drug: neostigmine
0.01 mg/kg IV bolus, injection when the of train of four is > or = to 40 %
|
No Intervention: 4
no injection of neostigmine
|
Ages Eligible for Study: | 18 Years to 75 Years |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- patient > 18 years
- informed consent signed
- Patient undergoing any type of scheduled surgery under general anesthesia for which curarization with eventually a maintenance is indicated
- ASA score between I to III
Exclusion Criteria:
- patient > 75 years and < 18 years
- body mass index > 32 mg/m²
- neurology disease, neuromuscular or muscular disease
- peripheral neuropathy
- coronary heart disease
- asthma
- familial history of malign hyperthermia
- difficulty of intubation and ventilation
- full stomach
- known or suspected allergy to one of the study drug
- mecanique obstruction of digestive or urinary tract
- open-angle glaucoma
- patient with risk of urinary retention linked to urethra-prostatic disorder
- concomittant medication with a influence known on neuromuscular (aminosid, anti-convulsif and corticosteroid
- child bearing women or nursing mother
- no affiliation at a social security
No publications provided
Responsible Party: | Florent Caperon (medical doctor), CHD Vendée |
ClinicalTrials.gov Identifier: | NCT00847938 History of Changes |
Other Study ID Numbers: | CHD066-08 |
Study First Received: | February 18, 2009 |
Last Updated: | November 30, 2009 |
Health Authority: | France: Agence Fançaise de Sécurité SAnitaire des Produits de Santé |
Keywords provided by Centre Hospitalier Departemental Vendee:
neostigmine neuromuscular blocking agent train of four anesthesia |
Additional relevant MeSH terms:
Neostigmine Neuromuscular Blocking Agents Cholinesterase Inhibitors Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action Pharmacologic Actions Cholinergic Agents |
Neurotransmitter Agents Physiological Effects of Drugs Parasympathomimetics Autonomic Agents Peripheral Nervous System Agents Neuromuscular Agents |
ClinicalTrials.gov processed this record on September 26, 2012