Sedation to Electroencephalography With Dexmedetomidine or Chloral Hydrate

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01083797
Recruitment Status : Completed
First Posted : March 10, 2010
Last Update Posted : October 25, 2013
Santa Casa de Misericórdia de Belo Horizonte
Information provided by (Responsible Party):
Renato Santiago Gomez, Federal University of Minas Gerais

Brief Summary:
This study evaluates the use of dexmedetomidine or chloral hydrate for sedation during electroencephalography in patients with neurological disorders. The hypothesis is that this drugs provides similar changes in EEG pattern.

Condition or disease Intervention/treatment Phase
Other Conditions of Brain Drug: Dexmedetomidine Drug: Chloral Hydrate Phase 3

Detailed Description:
Patients with chronic neurological disorders such as cerebral palsy or autism need to be sedated during electroencephalography (EEG). However, various sedatives and hypnotics affect the outcome of the review and is not shown. Chloral hydrate (CH) is widely used in children, but in this patients it is less effective.Recently, dexmedetomidine (DEX) has been tested because preliminary data suggests that this drug does not affect the EEG. The aim of the present work was to compare the electroencephalogram (EEG) pattern during CH or DEX sedation, to test the hypothesis that both drugs exert similar effects in EEG.Seventeen patients were evaluated during sedation with DEX or CH on separate occasions.The EEG was subjected to qualitative and quantitative analysis. Clinical variables were also compared.

Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 25 participants
Intervention Model: Single Group Assignment
Masking: Single (Investigator)
Primary Purpose: Treatment
Official Title: Sedation to Electroencephalography With Dexmedetomidine or Chloral Hydrate: a Comparative Study of the Qualitative and Quantitative Electroencephalogram Pattern
Study Start Date : December 2009
Actual Primary Completion Date : March 2013
Actual Study Completion Date : October 2013

Resource links provided by the National Library of Medicine

U.S. FDA Resources

Arm Intervention/treatment
dexmedetomidine, chloral hydrate
sedation with dexmedetomidine or chloral hydrate on separate occasions in the same patients
Drug: Dexmedetomidine
1 μg kg-1 infused in 10 min, and thereafter maintained from 0.2 to 0.7 μg kg-1 h- 1
Other Name: Dexmedetomidine: Precedex, Abbott Laboratories
Drug: Chloral Hydrate
Initial dose=50 mg/kg
Other Name: Chloral Hydrate 10% solution (100 mg/ml)

Primary Outcome Measures :
  1. electroencephalogram pattern [ Time Frame: twenty minutes ]

    Qualitative analysis: identification of the deepest phase of sleep achieved during the examination, evaluation of background activity (normal, fast activity increased or slow activity increased).

    Quantitative analysis: density, duration, and amplitude of sleep spindles, spectral power and dominant frequence.

Secondary Outcome Measures :
  1. Effective sedative [ Time Frame: twenty minutes ]
    Maintain adequate sedation permitting the completion of the examination

  2. Adverse effects [ Time Frame: Two hours ]
    Incidence of bradycardia, hypotension, respiratory complications and vomiting

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Ages Eligible for Study:   12 Years to 38 Years   (Child, Adult)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  • neurological disorder
  • behavior disorder
  • epilepsy

Exclusion Criteria:

  • cardiac disease
  • respiratory disease

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01083797

Santa Casa de Belo Horizonte
Belo Horizonte, Minas Gerais, Brazil, 30150-221
Sponsors and Collaborators
Federal University of Minas Gerais
Santa Casa de Misericórdia de Belo Horizonte
Principal Investigator: Magda Fernandes Santa Casa de Misericórdia de Belo Horizonte
Study Director: Gomez Renato Federal University of Minas Gerais

Responsible Party: Renato Santiago Gomez, Magda Lourenço Fernandes, Federal University of Minas Gerais Identifier: NCT01083797     History of Changes
Other Study ID Numbers: CEP 106/2009
First Posted: March 10, 2010    Key Record Dates
Last Update Posted: October 25, 2013
Last Verified: October 2013

Keywords provided by Renato Santiago Gomez, Federal University of Minas Gerais:
Chloral hydrate

Additional relevant MeSH terms:
Brain Diseases
Central Nervous System Diseases
Nervous System Diseases
Chloral Hydrate
Hypnotics and Sedatives
Central Nervous System Depressants
Physiological Effects of Drugs
Analgesics, Non-Narcotic
Sensory System Agents
Peripheral Nervous System Agents
Adrenergic alpha-2 Receptor Agonists
Adrenergic alpha-Agonists
Adrenergic Agonists
Adrenergic Agents
Neurotransmitter Agents
Molecular Mechanisms of Pharmacological Action