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Trial registered on ANZCTR
Registration number
ACTRN12611000449932
Ethics application status
Approved
Date submitted
19/04/2011
Date registered
3/05/2011
Date last updated
17/11/2011
Type of registration
Retrospectively registered
Titles & IDs
Public title
Intrauterine Lidocaine versus Placebo in Conjunction with Paracervical Block for Pain Relief During Fractional Curettage: A Randomized Controlled Trial
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Scientific title
The effects of intrauterine lidocaine in conjunctive with paracervical block compared to placebo on pain during the procedure, adverse effects and additional drug requirement in women with abnormal uterine bleeding who undergoing fractional and curettage
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Secondary ID [1]
252851
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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:
Pain score in women with abnormal uterine bleeding who undergoing fractional and curettage
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Adverse effects in women with abnormal uterine bleeding who undergoing fractional and curettage
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Additional drug requirement in women with abnormal uterine bleeding who undergoing fractional and curettage
258372
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Condition category
Condition code
Anaesthesiology
258545
258545
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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
Arm1: Intrauterine lidocaine in conjunction with paracervical block (2% Lidocaine 5 ml intrauterine instillation and paracervical block 5 ml each side), single dose
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Intervention code [1]
257369
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Treatment: Drugs
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Comparator / control treatment
Arm2: Intrauterine saline in conjunction with paracervical block (Normal saline 5 ml intrauterine instillation and paracervical block 5 ml each side), single dose
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Control group
Placebo
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Outcomes
Primary outcome [1]
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Pain score
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Assessment method [1]
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Timepoint [1]
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After speculum insertion, During and immediately after the procedure
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Secondary outcome [1]
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Adverse effects e.g. dizziness, nausea and/or vomiting, postural hypotension, convulsion. These adverse effects will be assessed using questionnaire by nurse who does not involve in the previous procedure.
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Assessment method [1]
265910
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Timepoint [1]
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During, immediately, and until 2 hour after the procedure
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Secondary outcome [2]
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Additional drug requirement will be assessed by medical record ('yes' or 'no')
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Assessment method [2]
265911
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Timepoint [2]
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During the procedure
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Eligibility
Key inclusion criteria
Women with abnormal uterine bleeding who undergoing fractional and curettage
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Minimum age
No limit
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Maximum age
No limit
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Sex
Females
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Can healthy volunteers participate?
No
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Key exclusion criteria
Pregnancy
Hx of lidocaine hypersensitivity
Hx of bleeding disorders
Hx of impaired LFT
Taking anti-coagulants
Genital organ infection
Profuse uterine bleeding or vital signs unstable
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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)
sealed opaque envelopes
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
Simple randomisation using a randomisation table created by computer software (i.e. computerised sequence generation)
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Masking / blinding
Open (masking not 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 3
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Type of endpoint/s
Safety/efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Recruiting
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Date of first participant enrolment
Anticipated
15/11/2010
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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
230
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Accrual to date
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Final
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Recruitment outside Australia
Country [1]
2963
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Thailand
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State/province [1]
2963
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Khon Kaen
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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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Khon Kaen Hospital
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Address [1]
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56 Srichan Road
Muang
Khon Kaen
40000
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Country [1]
258536
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Thailand
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Primary sponsor type
Hospital
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Name
Khon Kaen Hospital
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Address
56 Srichan Road
Muang
Khon Kaen
40000
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Country
Thailand
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Secondary sponsor category [1]
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None
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Name [1]
257673
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Address [1]
257673
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Country [1]
257673
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
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Khon Kaen Hospital Ethics Committee
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Ethics committee address [1]
260506
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56 Srichan Road
Muang
Khon Kaen
40000
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Ethics committee country [1]
260506
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Thailand
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Date submitted for ethics approval [1]
260506
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02/08/2010
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Approval date [1]
260506
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02/11/2010
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Ethics approval number [1]
260506
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76/01/2553
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Summary
Brief summary
Fractional curettage is one of a minor gynecologic procedure, routinely performed in order to diagnosis and treatment in women with abnormal uterine bleeding. Because patient might suffer from pain during the procedure, therefore local anesthesia or analgesics are used to relief pain. Paracervical block has been initiated since 1925. However, its effectiveness in pain reduction during fractional curettage is inconclusive. In some studies, they found that many patients still getting moderate pain and additional painkillers were needed in both during and after the procedure. To our knowledge, the mechanism of action of paracervical block is blocking nerve impulse at uterovaginal plexus (Frankenhauser’s plexus) which provide nerve conduction to cervix and lower uterine segment. Therefore, paracervical block is inadequate for pain relief in case of performing uterine intervention such as fractional curettage. Theoretically, intrauterine lidocaine can block nerve conduction at nerve ending providing for endometriuim, corpus and fundus. In practical, intrauterine lidocaine for fractional curettage has not yet widely performed due to its complexity to perform and needed experienced hands. However, There are many studies conducted randomized controlled trial comparing between the Intrauterine lidocaine and paracervical block or other anesthesia or analgesia for pain relief during many gynecologic procedure such as hysteroscopy, endometrial sampling, dilatation curettage, suctional curettage, fractional curettage, removal of lost IUD, etc. The results revealed that intrauterine lidocaine was superior to placebo or other forms of anesthesia in pain reduction with statistically significance.
No prior systematic review compared between paracervical block alone and paracervical block in conjunctive with intrauterine lidocaine for pain relief during fractional curettage. Hence, the author plan to conduct randomized controlled trial to assess the effectiveness of intrauterine lidocaine for pain reduction in women with abnormal uterine bleeding who undergoing fraction and curettage. Adverse effects of both interventions and additional anesthetic or analgesia requirement are also evaluated.
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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
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Country
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Phone
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Fax
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Email
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Contact person for public queries
Name
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Nujaree Leelasuwattanakul
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Address
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Khon Kaen Hospital
56 Srichan Road
Muang
Khon Kaen
40000
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Country
15002
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Thailand
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Phone
15002
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66834017488
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Fax
15002
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6643336789 Ext 3736
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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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Somsak Pratipanawat
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Address
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Khon Kaen Hospital
56 Srichan Road
Muang
Khon Kaen
40000
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Country
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Thailand
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Phone
5930
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66897143355
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Fax
5930
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6643336789 Ext 3736
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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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