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Trial registered on ANZCTR
Registration number
ACTRN12610000499088
Ethics application status
Approved
Date submitted
2/06/2010
Date registered
17/06/2010
Date last updated
17/06/2010
Type of registration
Prospectively registered
Titles & IDs
Public title
Study of the use of dexmedetomidine for cystoscopy, hysteroscopy and transrectal ultrasound guided biopsy of the prostate (TRUS biopsy)
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Scientific title
Study of the tolerability and effectiveness for surgeons and patients of the use of dexmedetomidine for cystoscopy, hysteroscopy and transrectal ultrasound guided biopsy of the prostate (TRUS biopsy).
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Secondary ID [1]
251921
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nil
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Universal Trial Number (UTN)
U1111-1115-4312
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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:
Anaesthesia for cystoscopy, hysteroscopy and TRUS biopsy
257504
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Condition category
Condition code
Anaesthesiology
257661
257661
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0
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Anaesthetics
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Patients who require cystoscopy, hysteroscopy or TRUS biopsy will be given an anaesthetic regimen based on dexmedetomidine. The procedures will be a one off.
Dexmedetomidine will be given intravenously (IV). Patients will receive a loading dose of 1 microgram per kilogram over 10 minutes. The design of the study incorporates the potential for this loading dose to increase or decrease as data about the response from patients is included.
After the loading dose, patients will be maintained on an infusion that will be adjusted according to response from between 0.2 micrograms / kilogram / hour and 1.4 micrograms / kilogram /hour.
The infusion will be maintained for the duration of the procedure. The procedures are expected to last for less than 30 minutes.
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Intervention code [1]
256597
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Treatment: Drugs
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Comparator / control treatment
No comparator.
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Control group
Uncontrolled
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Outcomes
Primary outcome [1]
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Acceptability to surgeons. Dichotomous question of whether the operating conditions were acceptable or not in regards to performing the procedure to an acceptable standard of care.
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Assessment method [1]
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Timepoint [1]
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during surgery
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Primary outcome [2]
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Patient satisfaction. 10 cm Visual Analogue Scale (VAS). Patients will be asked how satisfied they were with the regimen they received for sedation/anaesthesia. The VAS will be from 0 (very unsatisfied) to 10 (very satisfied).
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Assessment method [2]
258572
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Timepoint [2]
258572
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post operation
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Primary outcome [3]
258573
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the number of times the anaesthetist has to intervene to support the patient's airway or breathing and what the intervention consisted of
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Assessment method [3]
258573
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Timepoint [3]
258573
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during sugery
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Secondary outcome [1]
264435
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Dose of dexmedetomidine used
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Assessment method [1]
264435
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Timepoint [1]
264435
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during surgery
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Eligibility
Key inclusion criteria
patients scheduled for cystoscopy, hysteroscopy and TRUS biopsy
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Minimum age
18
Years
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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
American Society of Anesthesiologists (ASA) score of IV;
patients who require an epidural or spinal anesthesia;
acute unstable angina or acute myocardial infarction in the past 6 week;
heart rate less than 50;
systolic blood pressure less than 90 mm Hg;
third-degree heart block unless the patient has a pacemaker
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Study design
Purpose of the study
Treatment
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Allocation to intervention
Non-randomised 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
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Who is / are masked / blinded?
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Intervention assignment
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Other design features
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Phase
Phase 3 / Phase 4
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Type of endpoint/s
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Statistical methods / analysis
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
30/06/2010
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Actual
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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
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Sample size
Target
45
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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Funding & Sponsors
Funding source category [1]
257095
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Hospital
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Name [1]
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Casey Hospital
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Address [1]
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52 Kangan Drive
Berwick
Victoria
3806
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Country [1]
257095
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Australia
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Primary sponsor type
Individual
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Name
Michael Keane
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Address
c/- Dept Anaesthetics
Casey Hospital
52 Kangan Drive
Berwick
Victoria
3806
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Country
Australia
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Secondary sponsor category [1]
256352
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None
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Name [1]
256352
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Address [1]
256352
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Country [1]
256352
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Ethics approval
Ethics application status
Approved
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Summary
Brief summary
Hysteroscopies and cystoscopies are typically done under general anaesthesia in our hospital network. TRUS biopsies are typically done under deep sedation. While these methods are considered very safe as practised in Australia, they still carry risks (including obstruction of the airway and cessation of breathing.) Dexmedetomidine is a sedative agent that is considered stable as far as the airway and breathing is concerned. This study will assess whether these procedures can successfully be performed using a regimen based on dexmedetomidine. When having a general anaesthetic, patients require an artificial tube to be placed into the back of their throat or windpipe. When using a regimen based on dexmedetomidine, it is predicted that patients will not need that tube, and will be able to breath without it.
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Trial website
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Trial related presentations / publications
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Public notes
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Contacts
Principal investigator
Name
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Address
31249
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Country
31249
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Phone
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Fax
31249
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Email
31249
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Contact person for public queries
Name
14496
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Michael Keane
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Address
14496
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c/- Anaesthetic Dept
Casey Hospital
52 Kangan Drive
Berwick
Victoria 3806
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Country
14496
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Australia
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Phone
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+61 3 8768 1772
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Fax
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Email
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[email protected]
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Contact person for scientific queries
Name
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Michael Keane
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Address
5424
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c/- Anaesthetic Dept
Casey Hospital
52 Kangan Drive
Berwick
Victoria
3806
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Country
5424
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Australia
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Phone
5424
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+61 3 8768 1772
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Fax
5424
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Email
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[email protected]
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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
Documents added manually
No documents have been uploaded by study researchers.
Documents added automatically
Source
Title
Year of Publication
DOI
Dimensions AI
Observational Study of Dexmedetomidine for Hysteroscopy, Cystoscopy and Transrectal Ultrasound Biopsy
2014
https://doi.org/10.1177/0310057x1404200106
N.B. These documents automatically identified may not have been verified by the study sponsor.
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