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Trial registered on ANZCTR
Registration number
ACTRN12614000391673
Ethics application status
Approved
Date submitted
29/03/2014
Date registered
10/04/2014
Date last updated
10/04/2014
Type of registration
Retrospectively registered
Titles & IDs
Public title
Preoperative tramadol combined with diclofenac sodium reduces intraoperative loading dose of tramadol in patients undergoing abdominal hysterectomy
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Scientific title
Preoperative tramadol combined with diclofenac sodium reduces intraoperative loading dose of tramadol in patients undergoing abdominal hysterectomy: A randomized trial
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Secondary ID [1]
284361
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nil
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Universal Trial Number (UTN)
U1111-1152-4158
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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:
Postoperative pain
291521
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Condition category
Condition code
Anaesthesiology
291892
291892
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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
35-65 year-old, 45 ASA I and II patients, undergoing elective total abdominal hysterectomy (TAH) with or without bilateral salpingo-oopherectomy (BSO) under general anesthesia in Ankara EZH Research and Teaching Hospital, were enrolled (1:1:1) into this prospective, randomized, double-blind study. All patients received 1 mg/kg intravenous (iv) tramadol (infused in 100 ml NS over 15 minutes) and 75 mg intramuscular (im) diclofenac sodium 30 minutes before surgery. The patients were randomized into three groups (using computer-generated random numbers list with codes in sealed envelopes) to receive either placebo (Group I), 0.5 mg/kg (Group II) or 1 mg/kg (Group III) iv tramadol at the begining of the fascia closure, about 30 minutes before the end of surgery. The different doses of tramadol, prepared and labeled according to codes, were in equal volume syringes (in normal saline). Our hypothesis was ‘iv tramadol combined with im diclofenac sodium administered 30 minutes before the operation, reduces intraoperative loading dose’.
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Intervention code [1]
289090
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Treatment: Drugs
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Comparator / control treatment
Group I received Placebo (intravenous saline) for intraoperative loading dose.
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Control group
Placebo
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Outcomes
Primary outcome [1]
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Tramadol-PCA consumption in the first 24 hours postoperatively
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Assessment method [1]
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Timepoint [1]
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Postoperative 24 hours
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Secondary outcome [1]
307601
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Emergence time (time elapsed from the termination of anesthetic agents to gaining the ability of spontaneous eye opening, gripping fingers and breathing deeply on request)
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Assessment method [1]
307601
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Timepoint [1]
307601
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Postoperative 24 hours
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Secondary outcome [2]
307650
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sedation score (alert,0; drowsy but rousable to voice,1; drowsy but rousable to shaking,2)
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Assessment method [2]
307650
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Timepoint [2]
307650
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Postoperative 24 hours
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Secondary outcome [3]
307651
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postoperative nausea and vomiting
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Assessment method [3]
307651
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Timepoint [3]
307651
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Postoperative 24 hours
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Secondary outcome [4]
307652
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Time to first activation of Patient Control Analgesia (PCA)(time elapsed from the administration of intraoperative loading dose)
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Assessment method [4]
307652
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Timepoint [4]
307652
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Postoperative 24 hours
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Secondary outcome [5]
307653
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Verbal rating scale scores (Pain: none,0; mild,1; moderate,2; strong,3; unbearable,4)
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Assessment method [5]
307653
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Timepoint [5]
307653
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Postoperative 24 hours
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Secondary outcome [6]
307654
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rescue analgesic medication
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Assessment method [6]
307654
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Timepoint [6]
307654
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postoperative 24 hours
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Eligibility
Key inclusion criteria
Elective Total Abdominal Hysterctomy with or without BSO under general anesthesia
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Minimum age
35
Years
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Maximum age
65
Years
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Sex
Females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Known allergy, sensitivity or contraindications to study drugs, inability to use PCA device, long-term use of opioid medications, use of any analgesic drugs in the last 24 hours, history of clinically significant cardiac, respiratory, hepatic or renal disease and history of chronic pain and previous history of postoperative nausea and vomiting.
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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 administering 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
4/07/2011
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Actual
4/07/2011
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Date of last participant enrolment
Anticipated
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Actual
30/01/2012
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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 outside Australia
Country [1]
5943
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Turkey
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State/province [1]
5943
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Ankara
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Funding & Sponsors
Funding source category [1]
289002
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Self funded/Unfunded
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Name [1]
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none
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Address [1]
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none
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Country [1]
289002
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Primary sponsor type
Hospital
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Name
Turkish Ministery of Health Ankara Etlik ZH Maternity and Women’s Health Research and Teaching Hospital, Ankara, Turkey
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Address
Asagi Eglence Mah., Yeni Etlik Cd, 06010 Etlik (Incirli)/Ankara
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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]
287680
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Address [1]
287680
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Country [1]
287680
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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IRB of Turkish Ministery of Health Ankara Etlik ZH Maternity and Women’s Health Research and Teaching Hospital
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Ethics committee address [1]
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IRB of Turkish Ministery of Health Ankara Etlik ZH Maternity and Women’s Health Research and Teaching Hospital, Etik Kurul Asagi Eglence Mah., Yeni Etlik Cd, 06010 Etlik (Incirli)/Ankara
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Ethics committee country [1]
290811
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Turkey
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Date submitted for ethics approval [1]
290811
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Approval date [1]
290811
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26/04/2011
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Ethics approval number [1]
290811
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Summary
Brief summary
Intraoperative use of loading doses of tramadol-patient control analgesia (PCA) has been recommended in previously published articles. It is recommended mostly due to its diminishing effect on the frequency of postoperative nausea and vomiting (PONV) at Postanesthesia Care Unit (PACU), which is immediately after surgery. There is also a recommendation on the optimal intraoperative loading dose actually by the same authors, which is 2.5 mg.kg-1. We used this recommended optimal dose in our clinic, and we observed that emergence times of our patients prolonged to a duration of more than 40 minutes. We planned this study in order to reduce the need for intraoperative loading dose to a lower dose than 2.5 mg.kg-1. We hypothesized that preoperatively administered analgesics reduce the intraoperative loading dose. Our results revealed that this optimal dose may be reduced to a lower dose, while both providing adequate analgesia with less tramadol-PCA consumption.
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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 Filiz Uzumcugil
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Address
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Hacettepe University School of Medicine Department of Anesthesiology and Reanimation 06100 Sihhiye-ANKARA
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Country
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Turkey
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Phone
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+903123051265
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Fax
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Email
45766
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[email protected]
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Contact person for public queries
Name
45767
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Filiz Uzumcugil
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Address
45767
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Hacettepe University School of Medicine Department of Anesthesiology and Reanimation 06100 Sihhiye-ANKARA
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Country
45767
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Turkey
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Phone
45767
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+903123051265
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Fax
45767
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Email
45767
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[email protected]
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Contact person for scientific queries
Name
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Filiz Uzumcugil
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Address
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Hacettepe University School of Medicine Department of Anesthesiology and Reanimation 06100 Sihhiye-ANKARA
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Country
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Turkey
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Phone
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+903123051265
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Fax
45768
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Email
45768
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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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