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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00216190
Registration number
NCT00216190
Ethics application status
Date submitted
31/08/2005
Date registered
22/09/2005
Date last updated
23/07/2015
Titles & IDs
Public title
A Safety and Efficacy Study of Dexmedetomidine in ICU Patients Requiring Continuous Sedation
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Scientific title
A Phase 4, Randomized, Double-Blind, Multi-Center, Comparator Study Evaluating the Safety and Efficacy of Dexmedetomidine Compared to IV Midazolam in ICU Subjects Requiring Greater Than Twenty-Four Hours of Continuous Sedation
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Secondary ID [1]
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2001-001
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Universal Trial Number (UTN)
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Trial acronym
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Mechanically Ventilated and Intubated Subjects
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Condition category
Condition code
Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Experimental: Dexmedetomidine -
Active comparator: Midazolam -
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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The percentage of time spent within the protocol specified sedation range (Richmond Agitation-Sedation Scale [RASS] range of -2 to +1)
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Assessment method [1]
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RASS Range:
Score +1 (Restless: Anxious; but movements not aggressive or vigorous) Score 0 (Alert and calm) Score -1 (Drowsy: Not fully alert, but has sustained awakening \[eye opening/eye contact\] to voice \[=10 seconds\]) Score -2 (Light sedation: Briefly awakens with eye contact to voice \[\< 10 seconds\])
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Timepoint [1]
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Preinfusion, Treatment period: every 10min for 30min, 1 & 4 hr after infusion starts, every 4 hrs, prior to end of infusion & extubation. Follow-up Period (48hrs): every 10min for 1st 30min after drug discontinuation, 1, 4, 8,12, 24 & 48 hr post infusion
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Secondary outcome [1]
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Percentage of subjects able to achieve a RASS between - 2 and +1 without interruption of study drug
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Assessment method [1]
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Timepoint [1]
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Preinfusion, Treatment period: every 10min for 30min, 1 & 4 hr after infusion starts, every 4 hrs, prior to end of infusion & extubation. Follow-up Period (48hrs): every 10min for 1st 30min after drug discontinuation, 1, 4, 8,12, 24 & 48 hr post infusion
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Secondary outcome [2]
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Percentage of subjects with evidence of delirium (Confusion Assessment Method [CAM]-ICU positive) while on study drug
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Assessment method [2]
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Timepoint [2]
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Prior to the start of the study drug infusion. Daily each morning beginning the day after starting study drug, and at the end of study drug infusion.
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Secondary outcome [3]
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Percentage of subjects with evidence of delirium (CAM-ICU positive) following discontinuation of study drug
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Assessment method [3]
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Timepoint [3]
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At 12, 24, 36, and 48 hrs after end of infusion. Every 12 hours during the 48-hour Follow-Up Period.
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Secondary outcome [4]
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Time to achieving a RASS between -2 and +1 for daily arousal assessment
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Assessment method [4]
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Timepoint [4]
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Prior to the start of the study drug infusion. Daily each morning beginning the day after starting study drug, and at the end of study drug infusion.
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Secondary outcome [5]
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Percentage of subjects who can interact with caregivers
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Assessment method [5]
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Percentage of subjects who can interact with caregivers (i.e., follow at least 3 of the 4 arousal assessment commands) while in the protocol-specified RASS range of -2 to +1
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Timepoint [5]
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Prior to start of infusion (Day 0), daily each morning throughout the Treatment Period beginning on the day after randomization (Study Day 1), and immediately prior to discontinuation of study drug infusion at the end of Treatment Period.
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Secondary outcome [6]
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Overall drug (sedative) tolerance
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Assessment method [6]
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Timepoint [6]
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During the treatment period (Approximately 30 days)
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Secondary outcome [7]
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Fentanyl use
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Assessment method [7]
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Timepoint [7]
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During the treatment period (Approximately 30 days)
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Secondary outcome [8]
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Nursing assessment
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Assessment method [8]
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Timepoint [8]
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Screening period, during the treatment period (Approximately 30 days), and 48-hours of follow-up period
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Secondary outcome [9]
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Use of rescue midazolam for sedation
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Assessment method [9]
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Timepoint [9]
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During the treatment period (Approximately 30 days)
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Eligibility
Key inclusion criteria
1. Subject is =18 years of age.
2. If female, subject is non-lactating, and is either:
1. Not of childbearing potential, defined as postmenopausal for at least 1 year or surgically sterile due to bilateral tubal ligation, bilateral oophorectomy, or hysterectomy.
2. Of childbearing potential but is not pregnant as confirmed by negative serum pregnancy test at time of screening, and is practicing one of the following methods of birth control: oral or parenteral contraceptives for three months prior to study drug administration, a vasectomized partner, or abstinence from sexual intercourse.
3. Subject is initially intubated and mechanically ventilated, or is planned for imminent intubation and mechanical ventilation, sedation is anticipated to be required during mechanical ventilation, and mechanical ventilation is anticipated to continue for at least 72 hours.
4. Subject or subject's legally authorized representative has voluntarily signed and dated an informed consent form, approved by the applicable Institutional Review Board (IRB), after the nature of the study has been explained and the subject or subject's legally authorized representative has had the opportunity to ask questions. The informed consent must be signed before any study specific procedures are performed.
5. Subject is sedated within a Richmond Agitation-Sedation Scale (RASS) range of -2 to +1 at the time of initiation of study drug
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Minimum age
18
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Maximum age
No limit
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Sex
Both males and females
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Can healthy volunteers participate?
No
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Key exclusion criteria
1. Subject has been intubated for greater than 96 hours prior to the initiation of study drug (thus, the attainment of consent, screening evaluations, and randomization must all have been completed by the 96th hour post-intubation, so that the actual initiation of the study drug infusion may start by the end of the 96 hour window).
2. Subject has serious central nervous system pathology/trauma that, per clinical judgment of the Investigator, precludes responsiveness or survival.
3. Subject for whom opiates, benzodiazepines, or dexmedetomidine are contraindicated, or who has known or suspected serious allergy to any drug that might be administered during the course of the study.
4. Subject for whom alpha-2 agonists are contraindicated.
5. Subject requires neuromuscular blocking agents during the study for use other than intubation.
6. Subject requires epidural or spinal analgesia during the study.
7. Subject meets any of the following cardiovascular criteria:
* Acute unstable angina (defined during current hospital stay).
* Suspicion of acute myocardial infarction.
* Considered to have a left ventricular ejection fraction of less than 30%. Decision to exclude is predicated on the Investigator's opinion, and may be based on any combination of acute presentations, recently performed diagnostic studies, or a history that suggests poor cardiac function. Pulmonary congestion of a non-cardiac origin or mild congestive failure primarily attributable to etiologies other than poor ventricular function are not exclusion criteria.
* Heart rate <50 bpm prior to infusion start.
* Systolic blood pressure <90 mmHg prior to infusion start.
* Conduction abnormalities except 1st degree AV block and rate-controlled atrial fibrillation; subjects with functional pacemaker capacity may be enrolled.
8. Subject is hospitalized primarily due to trauma and/or burns, has received general anaesthesia within the 24 hours prior to the start of study drug infusion, or is anticipated to require general anaesthesia within 24 hours after the start of the infusion.
9. Subject has participated in a trial with any experimental drug within 30 days prior to enrollment in the study, or has ever been enrolled in this study.
10. Subject is unable to undergo any procedure required by the protocol.
11. Subject has laboratory results indicating the presence of liver disease consistent with a Child-Pugh score >9 (Grade C).
12. Subject has acute hepatitis, history or presence of chronic hepatitis, and/or has had a positive result for Hepatitis B Surface Antigen Test.
13. Subject requires dialysis (eg, hemodialysis, peritoneal dialysis, Continuous Venovenous Hemodialysis [CVVHD]).
14. Subject has a known, uncontrolled seizure disorder.
15. Subject has, per the Investigator's judgment, a known or suspected physical or psychological dependence on an abused drug, other than alcohol.
16. Subject has a known psychiatric illness that could confound a normal response to sedative treatment.
17. Subject is incarcerated.
18. Subject is terminally ill with a life duration expectancy of =60 days.
19. Subject has any other condition or factor which, in the Investigator's opinion, might increase the risk to the subject.
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Randomised controlled trial
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Procedure for enrolling a subject and allocating the treatment (allocation concealment procedures)
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
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Intervention assignment
Parallel
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Other design features
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Phase
Phase 4
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Completed
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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/03/2005
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Date of last participant enrolment
Anticipated
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Actual
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Date of last data collection
Anticipated
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Actual
1/08/2007
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Sample size
Target
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Accrual to date
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Final
420
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Recruitment in Australia
Recruitment state(s)
NSW,SA,TAS,VIC,WA
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Recruitment hospital [1]
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- Blacktown
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Recruitment hospital [2]
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- Randwick
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- Woodville
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- Hobart
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Recruitment hospital [5]
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- Box Hill
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- Heidelberg
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Recruitment hospital [7]
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- Parkville
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Recruitment hospital [8]
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- Perth
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Recruitment postcode(s) [1]
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2148 - Blacktown
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2031 - Randwick
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5011 - Woodville
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7001 - Hobart
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3128 - Box Hill
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3084 - Heidelberg
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3050 - Parkville
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Recruitment postcode(s) [8]
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6000 - Perth
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Recruitment outside Australia
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Alabama
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Palmerston North
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Welling
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
Hospira, now a wholly owned subsidiary of Pfizer
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Address
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Ethics approval
Ethics application status
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Summary
Brief summary
The purpose of this study is to evaluate the safety and efficacy of dexmedetomidine in ICU subjects who are initially intubated, mechanically ventilated and require sedation for beyond 24 hours.
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Trial website
https://clinicaltrials.gov/study/NCT00216190
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Trial related presentations / publications
Riker RR, Shehabi Y, Bokesch PM, Ceraso D, Wisemandle W, Koura F, Whitten P, Margolis BD, Byrne DW, Ely EW, Rocha MG; SEDCOM (Safety and Efficacy of Dexmedetomidine Compared With Midazolam) Study Group. Dexmedetomidine vs midazolam for sedation of critically ill patients: a randomized trial. JAMA. 2009 Feb 4;301(5):489-99. doi: 10.1001/jama.2009.56. Epub 2009 Feb 2.
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Public notes
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Contacts
Principal investigator
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Contact person for scientific queries
No information has been provided regarding IPD availability
What supporting documents are/will be available?
No Supporting Document Provided
Results publications and other study-related documents
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT00216190
Download to PDF