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Trial registered on ANZCTR
Registration number
ACTRN12618001034224
Ethics application status
Approved
Date submitted
9/04/2018
Date registered
20/06/2018
Date last updated
5/11/2018
Date data sharing statement initially provided
5/11/2018
Type of registration
Prospectively registered
Titles & IDs
Public title
The early sedation effect of intrathecal morphine administration on adult patients undergoing urogenital surgeries
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Scientific title
The early sedation effect of intrathecal morphine administration assessed by intraoperative Bispectral index monitoring and postoperative Ramsey Sedation Scale on adult patients undergoing urogenital surgeries
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Secondary ID [1]
290853
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none
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Universal Trial Number (UTN)
U1111-1191-3740
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Trial acronym
ITMT (Intrathecal morphine trail)
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
urogenital problems
301533
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sedation
305963
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Condition category
Condition code
Anaesthesiology
301253
301253
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0
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Anaesthetics
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Renal and Urogenital
306616
306616
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0
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Other renal and urogenital disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
The patients who are between 18 and 65 years of age and referred to urogenital surgeries will be randomly divided into two groups. In the operating room, ECG, non invasive blood pressure, heart rate and Bispectral index monitoring will be applied to all of the patients. The patients will receive 0.03 mg/kg midazolam before spinal anesthesia. During spinal anesthesia, a single dose of 200 microgram intrathecal morphine (0.2 ml) and 13 mg intrathecal bupivacaine will be administered. While in the second group, 0.2 ml intrathecal sodium chloride and 13 mg intrathecal bupivacaine will be applied. The drugs will be prepared in a 5 ml syringe and labeled by an anesthesiologist who will not participate in the study. The Bispectral index scores and peripheral oxygen saturation of the patients will be recorded for one hour in the operating room, then all of the patients will be sent to the post anesthesia caring unit. The patients will be assessed with Ramsey Sedation Scale at every 15 minutes for an hour by a researcher who will be blind to the study groups. Peripheral oxygen saturation levels of the patients will be recorded until the end of 120 minutes.
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Intervention code [1]
296794
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Treatment: Drugs
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Comparator / control treatment
All of the patients will receive 0.03 mg/kg midazolam before spinal anesthesia. The control group will receive single dose of 0.2 ml intrathecal sodium chloride and 13 mg intrathecal bupivacaine.
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Control group
Active
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Outcomes
Primary outcome [1]
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Early sedation effect of intrathecal morphine assessed by intraoperative Bispectral index monitoring
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Assessment method [1]
304308
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Timepoint [1]
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At the 5., 10., 15., 20., 25., 30., 40., 45., 50., 55., 60. (primary timepoint) minute after induction
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Primary outcome [2]
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The early effect of intrathecal morphine on respiratory function as assessed by peripheral oxygen saturation
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Assessment method [2]
305619
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Timepoint [2]
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At the 5., 10., 15., 20., 25., 30., 40., 45., 50., 55., 60. (primary timepoint) minute after induction
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Secondary outcome [1]
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Early sedation effect of intrathecal morphine assessed by Ramsey Sedation Scale in the second hour after the induction
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Assessment method [1]
353578
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Timepoint [1]
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60th, 75th, 90th, 105th, 120th (secondary timepoint) minute after the induction of anesthesia
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Eligibility
Key inclusion criteria
The patients who are between 18-65 years old, ASA status I-II-II and scheduled for urogenital surgeries under spinal anesthesia will be included in the study
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Minimum age
18
Years
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Maximum age
65
Years
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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
Known allergy to morphine or midazolam, liver or renal insufficiency, story of alcohol and substance abuse, story of opioid consumption, pregnancy, patients shorter than 160 cm, obesity, operation time longer than 60 minutes
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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)
central randomisation by computer
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
computerised sequence generation
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Masking / blinding
Blinded (masking used)
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Who is / are masked / blinded?
The people receiving the treatment/s
The people administering the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
Parallel
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Other design features
None
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Phase
Not Applicable
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Type of endpoint/s
Safety/efficacy
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Statistical methods / analysis
Statistical analysis will be performed by the SPSS System (version 22.0, SPSS Inc.,). Values will be expressed as mean±standard deviation or as percentages. The groups will be compared in parametric parameters using Kruskal-Wallis test and in non-parametric parameters using Mann-Whitney U test. The percentage will be calculated in presence and absence group by Pearson's Chi-square test. p< 0.05 will be accepted statistically significant.
Sample size of the study was calculated based on an institutional preliminary study with 10 patients in each group. We considered a 5% reduction in Bi-spectral index to be clinically significant. We determined that 81 patients would be required in each group to demonstrate this difference with a error of 5% and power of 95% at the 60. minute after induction. Allowing for about 10% drop-out rate during the study period, 91 patients were enrolled in each group.
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Recruitment
Recruitment status
Completed
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Date of first participant enrolment
Anticipated
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Actual
11/07/2018
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Date of last participant enrolment
Anticipated
2/07/2018
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Actual
2/10/2018
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Date of last data collection
Anticipated
3/07/2018
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Actual
3/10/2018
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Sample size
Target
182
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Accrual to date
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Final
182
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Recruitment outside Australia
Country [1]
9509
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Turkey
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State/province [1]
9509
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Mugla
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Funding & Sponsors
Funding source category [1]
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Hospital
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Name [1]
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Hacettepe University Hospital
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Address [1]
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Hacettepe Mahallesi Altindag 06230 Ankara Türkiye
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Country [1]
298445
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Turkey
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Primary sponsor type
Individual
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Name
Basak Altiparmak
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Address
Work organization address: Mugla Sitki Koçman Üniversitesi Tip Fakültesi. Marmaris yolu üzeri M kapi karsisi. 48000 Mentese/MUGLA.
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Country
Turkey
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Secondary sponsor category [1]
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None
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Name [1]
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Address [1]
297589
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Country [1]
297589
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Mugla Sitki Koçman University Training and Research Hospital Institutional Ethics Committee
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Ethics committee address [1]
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Mugla Sitki Koçman University Training and Research Hospital, Marmaris Yolu üzeri, M Kapi Karsisi, 48000 Mugla
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Ethics committee country [1]
300101
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Turkey
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Date submitted for ethics approval [1]
300101
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04/05/2018
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Approval date [1]
300101
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05/07/2018
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Ethics approval number [1]
300101
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Summary
Brief summary
Intrathecal administration of morphine is usually performed for both upper and lower abdominal surgeries due to better analgesia and longer duration of action. Although it is accepted as the “gold-standart” opioid for intrathecal administration, morphine has some potential adverse effects as well. The primary aim of this study is to assess early sedation effect of intrathecal morphine by bispectral index monitoring and respiratory depression by peripheral oxygen saturation of the patients undergoing lower abdominal surgeries the first hour after spinal anesthesia. Our secondary aim is to assess the sedation effect of intrathecal morhine by Ramsey sedation scale in the second hour.
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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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Dr Basak ALTIPARMAK
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Address
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Work organization address: Mugla Sitki Koçman Üniversitesi Tip Fakültesi Marmaris yolu üzeri M kapi karsisi, postal code: 48000, Mentese/MUGLA
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Country
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Turkey
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Phone
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+905326726533
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Fax
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Email
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[email protected]
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Contact person for public queries
Name
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Basak ALTIPARMAK
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Address
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Work organization address: Mugla Sitki Koçman Üniversitesi Tip Fakültesi Marmaris yolu üzeri M kapi karsisi, postal code: 48000, Mentese/MUGLA
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Country
71147
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Turkey
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Phone
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+905326726533
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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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Basak ALTIPARMAK
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Address
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Work organization address: Mugla Sitki Koçman Üniversitesi Tip Fakültesi Marmaris yolu üzeri M kapi karsisi, postal code: 48000, Mentese/MUGLA
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Country
71148
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Turkey
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Phone
71148
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+905326726533
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Fax
71148
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Email
71148
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[email protected]
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Data sharing statement
Will individual participant data (IPD) for this trial be available (including data dictionaries)?
Yes
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What data in particular will be shared?
individual participant data underlying published results only
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When will data be available (start and end dates)?
The data will be available on request immediately following publication and no end-date
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Available to whom?
only researchers who provide a methodologically sound proposal,
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Available for what types of analyses?
any purpose
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How or where can data be obtained?
access subject to approvals by Principal Investigator
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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
No additional documents have been identified.
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