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Trial registered on ANZCTR
Registration number
ACTRN12612001025820
Ethics application status
Approved
Date submitted
21/09/2012
Date registered
24/09/2012
Date last updated
26/04/2017
Type of registration
Prospectively registered
Titles & IDs
Public title
The intrauterine insemination with stimulation in women with unexplained infertility study
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Scientific title
An evaluation of the cumulative live birth rate from intrauterine insemination with stimulation in couples with unexplained infertility compared with expectant management.
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Secondary ID [1]
281281
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Nil
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Universal Trial Number (UTN)
U1111-1134-9722
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Trial acronym
TUI study
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Unexplained infertility
287486
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Condition category
Condition code
Reproductive Health and Childbirth
287817
287817
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0
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Fertility including in vitro fertilisation
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Intrauterine insemination with stimulation. Women randomised to intrauterine insemination will undergo three cycles of stimulated intrauterine insemination (0.5ml of sperm suspension) Clomiphene citrate ovarian stimulation protocols will be used. Clomiphene citrate will be started orally on day 2 of the menstrual cycle for 5 days. The dose of clomiphene will be determined by the clinicians based on the woman's clinical indications. On day 12 an estradiol level and ultrasound scan (USS) will be performed. If there are more than 3 follicles present the IUI will not proceed and the patient will be informed not to be sexually active. If there are less than three follicles IUI will proceed when the blood tests indicate ovulation is about to occur (usually between day 12 and 16 of the cycle). A Tomcat catheter will be used for the IUI procedure. The inseminate will be prepared using a density gradient and spermatozoa will be re-suspended in 0.5 ml of human tubal fluid. The catheter will be passed through the cervical canal high up into the uterus and the specimen slowly injected. No luteal phase support will be given.
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Intervention code [1]
285753
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Treatment: Other
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Intervention code [2]
285758
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Treatment: Drugs
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Comparator / control treatment
Expectant management. Couples assigned expectant management will be followed for three menstrual cycles from the time of randomisation. No additional treatment would occur during this time.
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Control group
Active
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Outcomes
Primary outcome [1]
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Cumulative live birth rate
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Assessment method [1]
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Timepoint [1]
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40 weeks after each menstrual cycle (there are three cycles for each woman).
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Secondary outcome [1]
299322
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clinical pregnancies based on Quantitative B-hcg level Day 16 post procedure and an ultrasound at 6 weeks to evaluate whether there is a fetal heart.
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Assessment method [1]
299322
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Timepoint [1]
299322
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6 weeks after each menstrual cycle (there are three cycles for each woman).
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Secondary outcome [2]
299323
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Ectopic pregnancy / miscarriage
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Assessment method [2]
299323
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Timepoint [2]
299323
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In the 40 weeks after each menstrual cycle (there are three cycles for each woman).
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Secondary outcome [3]
299324
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Multiple pregnancy rates
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Assessment method [3]
299324
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Timepoint [3]
299324
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At 6 weeks after each menstrual cycle (there are three cycles for each woman).
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Secondary outcome [4]
299325
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Ovarian hyper stimulation syndrome. This will be determined using ultrasound examinations and by measuring estradiol levels.
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Assessment method [4]
299325
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Timepoint [4]
299325
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During each menstrual cycle (there are three cycles for each woman).
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Eligibility
Key inclusion criteria
Unexplained infertility. Normal ovulation (or normal with ovarian stimulation). Patent fallopian tubes. Normal semen analysis (greater than or equal to 32% progressive motility, greater than or concentration equal to 15 million / ml or if the clinician believes they are a suitable candidate for IUI).
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Minimum age
18
Years
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Maximum age
42
Years
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Sex
Females
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
Doccumented tubal occlusion (bilateral or unilateral). Greater than three follicles on ultrasound (exclusion of the day of ultrasoun). Azoospermia. Women with anovulation secondary to polycystic ovarian syndrome.
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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)
Women with unexplained infertility and a prediction score of <30% attending Fertility PLUS, Repromed of Fertility Associates and who wish to have IUI will be advised of the study and encouraged to take part. Power calculations were done based on Fertility PLUS clinical data. Those wishing to take part will be randomly allocated to either three cycles of IUI with stimulation or three cycles of expectant management. Randomisation will be done online, once the patients have been allocated there will be no blinding.
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Methods used to generate the sequence in which subjects will be randomised (sequence generation)
When a patient decides to participate in the study her fertility provider will contact the co-investigator who will randomly allocate the patient to either the intervention or control group using a random number generator.
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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 4
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Type of endpoint/s
Efficacy
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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
12/03/2013
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Actual
12/03/2013
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Date of last participant enrolment
Anticipated
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Actual
12/05/2016
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Date of last data collection
Anticipated
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Actual
18/04/2017
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Sample size
Target
160
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Accrual to date
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Final
201
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Recruitment outside Australia
Country [1]
4568
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New Zealand
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State/province [1]
4568
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Funding & Sponsors
Funding source category [1]
288700
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Charities/Societies/Foundations
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Name [1]
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Maurice and Phyllis Paykel Trust.
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Address [1]
288700
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PO Box 37760
Parnell
Auckland 1151
New Zealand
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Country [1]
288700
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New Zealand
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Funding source category [2]
288701
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Charities/Societies/Foundations
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Name [2]
288701
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The Nurture Foundation
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Address [2]
288701
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Private Bag 92019
Auckland 1020
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Country [2]
288701
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New Zealand
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Funding source category [3]
288702
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Charities/Societies/Foundations
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Name [3]
288702
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Mercia Barnes Trust
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Address [3]
288702
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RANZCOG, New Zealand Office
PO Box 10611
Wellington 6143
New Zealand
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Country [3]
288702
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New Zealand
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Funding source category [4]
288703
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Charities/Societies/Foundations
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Name [4]
288703
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Evelyn Bond Trust
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Address [4]
288703
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A+ Trust
Auckland District Health Board Charitable Trust
Private Bag 92024
Auckland 1023
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Country [4]
288703
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New Zealand
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Primary sponsor type
University
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Name
The University of Auckland
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Address
Faculty of Medical and Health Sciences
The University of Auckland
85 Park Rd
Grafton
Auckland 1142
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Country
New Zealand
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Secondary sponsor category [1]
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Individual
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Name [1]
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Professor Cindy Farquhar
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Address [1]
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Department of Obstetrics and Gynaecology and National Women's Health, Level 12, ACH Support Building, Auckland City Hospital,
Park Road, Grafton
Auckland 1020
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Country [1]
284862
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New Zealand
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Ethics approval
Ethics application status
Approved
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Ethics committee name [1]
288100
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Health and Disability Ethics Committees
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Ethics committee address [1]
288100
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Ministry of Health
No 1 The Terrace
PO Box 5013
Wellington 6011
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Ethics committee country [1]
288100
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New Zealand
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Date submitted for ethics approval [1]
288100
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27/09/2012
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Approval date [1]
288100
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02/11/2012
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Ethics approval number [1]
288100
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Summary
Brief summary
To evaluate whether the use of intrauterine insemination with ovarian stimulation with clomiphene citrate results in improved pregnancy and live birth rates compared with expectant management for couples with unexplained infertility and a prediction score for spontaneous fertility of less than 30%.
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Trial website
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Trial related presentations / publications
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Public notes
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Attachments [1]
852
852
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/AnzctrAttachments/363068-TUI protocol for registration website_UPLOADED_160421.docx
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Contacts
Principal investigator
Name
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Prof Cindy Farquhar
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Address
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Department of Obstetrics and Gynaecology and National Women's Health,
University of Auckland,
Level 12, ACH Support Building,
Auckland City Hospital,
Park Road, Grafton
Private Bag 92019
Auckland 1020
NEW ZEALAND
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Country
34746
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New Zealand
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Phone
34746
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+64 9 3737599 EXT 89493
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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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Prof Professor Cindy Farquhar
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Address
17993
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Department of Obstetrics and Gynaecology and National Women's Health, Level 12, ACH Support Building, Auckland City Hospital,
Park Road, Grafton
Auckland 1020
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Country
17993
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New Zealand
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Phone
17993
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+64 9 3737599 ext 89481
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Fax
17993
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Email
17993
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[email protected]
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Contact person for scientific queries
Name
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Prof Professor Cindy Farquhar
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Address
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Department of Obstetrics and Gynaecology and National Women's Health, Level 12, ACH Support Building, Auckland City Hospital,
Park Road, Grafton
Auckland 1020
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Country
8921
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New Zealand
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Phone
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+64 9 3737599 ext 89481
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Fax
8921
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Email
8921
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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
Embase
IUI and IVF for unexplained subfertility: Where did we go wrong?.
2016
https://dx.doi.org/10.1093/humrep/dew241
Embase
Intrauterine insemination with ovarian stimulation versus expectant management for unexplained infertility (TUI): a pragmatic, open-label, randomised, controlled, two-centre trial.
2018
https://dx.doi.org/10.1016/S0140-6736%2817%2932406-6
Dimensions AI
Intrauterine insemination: a UK survey on the adherence to NICE clinical guidelines by fertility clinics
2015
https://doi.org/10.1136/bmjopen-2015-007588
N.B. These documents automatically identified may not have been verified by the study sponsor.
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