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Trial registered on ANZCTR
Registration number
ACTRN12616000227493
Ethics application status
Approved
Date submitted
26/12/2015
Date registered
18/02/2016
Date last updated
18/02/2016
Type of registration
Retrospectively registered
Titles & IDs
Public title
Effect of Low Dose Ketamine on Postoperative Cognitive Dysfunction in Geriatric Patients
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Scientific title
Effect of Low Dose Ketamine on Postoperative Cognitive Dysfunction in Geriatric Patients Undergoing Abdominal Surgery
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Secondary ID [1]
288220
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Nil
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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:
Cognitive Dysfunction
297131
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Abdominal surgery
297611
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Condition category
Condition code
Anaesthesiology
297363
297363
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0
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Anaesthetics
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Mental Health
297802
297802
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0
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Other mental health disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Effect of ketamine use on postoperative cognitive dysfunction
(ketamin will be used, iv, 0.5 mg/kg, 5 minutes before induction.)
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Intervention code [1]
293513
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Treatment: Drugs
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Comparator / control treatment
Placebo ( 0.9 % NaCl) (2 ml)
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Control group
Placebo
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Outcomes
Primary outcome [1]
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Postoperative cognitive functions (assesse by mini mental state examination)
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Assessment method [1]
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Timepoint [1]
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Postoperative 1st and 6th hours, cognitive functions will evaluate.
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Secondary outcome [1]
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Intraoperative and post operative Hemodynamic parameters (Heart rate) will assesse by anesthesia monitors
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Assessment method [1]
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Timepoint [1]
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At 15th, 30th, 45th, 60th, 75thand 90th minutes of the operation, at the 5th minute of extubation and intubation.
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Secondary outcome [2]
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Postoperative recovery status will assesse by Aldrete Recovery Scores
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Assessment method [2]
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Timepoint [2]
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At the 2nd and 5th minutes following extubation were recorded.
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Eligibility
Key inclusion criteria
Patients aged 65 and older,
who were at least literate,
fell under the ASA I-II risk group
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Minimum age
65
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
Patients who had significant coronary, pulmonary, renal, hepatic diseases, neuropsychiatric diseases affecting the CNS and cognitive functions, fever and infection, metabolic and endocrinal diseases, malnutrition and dehydration, low levels of vitamin B12 and folate;those who took medications that affected CNS, who were alcohol and substance addicts, smokers, urgent cases, patients in the risk group of ASA III and above, patients younger than 65, those who scored 23 and lower in the SMMT (Standardized Mini Mental Test) performed one day before the operation were excluded from the study.
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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?
The people receiving the treatment/s
The people assessing the outcomes
The people analysing the results/data
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Intervention assignment
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Other design features
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Phase
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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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Date of first participant enrolment
Anticipated
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Actual
1/07/2012
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Date of last participant enrolment
Anticipated
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Actual
31/12/2012
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Date of last data collection
Anticipated
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Actual
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Sample size
Target
40
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Accrual to date
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Final
40
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Recruitment outside Australia
Country [1]
7488
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Turkey
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State/province [1]
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Konya
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Funding & Sponsors
Funding source category [1]
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University
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Name [1]
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Necmettin Erbakan University Meram School of Medicine
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Address [1]
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Necmettin Erbakan University Meram School of Medicine,Beysehir Street Akyokus, Meram-Konya Postcode 42080
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Country [1]
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Turkey
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Primary sponsor type
University
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Name
Necmettin Erbakan University Meram School of Medicine
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Address
Necmettin Erbakan University Meram School of Medicine,Beysehir Street Akyokus, Meram-Konya Postcode 42080
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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]
291323
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Country [1]
291323
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Necmettin Erbakan University Meram School of Medicine
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Ethics committee address [1]
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Necmettin Erbakan University Meram School of Medicine,Beysehir Street Akyokus, Meram-Konya Postcode 42080
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Ethics committee country [1]
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Turkey
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Date submitted for ethics approval [1]
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01/06/2012
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Approval date [1]
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27/06/2012
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Ethics approval number [1]
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2012/45
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Summary
Brief summary
Forty patients aged 65 and older planned for elective abdominal surgery were randomly divided into two groups. While 5 ml- physiological serum was administered to the control group, ketamine group received 0,5 mg/kg ketamine in IV form 5 minutes before induction. Hemodynamic variables,were measured every 15 min until the end of the operation. Standardized Mini Mental Test (SMMT) were performed 24 hours prior to the operation and repeated 1 hour and 6hours after the operation to evaluate the cognitive functions.
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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 Osman Sahin
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Address
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Konya Training and Research Hospital, Anesthesiology and Reanimation Department, Haci Saban Mah. Meram Yeniyol Caddesi No:97 Post code: 42090 Meram KONYA
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Country
62402
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Turkey
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Phone
62402
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+90 3322212250
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Fax
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Email
62402
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[email protected]
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Contact person for public queries
Name
62403
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Hale Borazan
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Address
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Necmettin Erbakan University Meram School of Medicine, Beysehir Street , Akyokus, Meram-Konya 42080
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Country
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Turkey
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Phone
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+90332223000
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Fax
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Email
62403
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[email protected]
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Contact person for scientific queries
Name
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Hale Borazan
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Address
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Necmettin Erbakan University Meram School of Medicine, Beysehir Street , Akyokus, Meram-Konya 42080
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Country
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Turkey
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Phone
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+903322230000
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Fax
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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
No additional documents have been identified.
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