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Trial registered on ANZCTR
Registration number
ACTRN12623001194651p
Ethics application status
Submitted, not yet approved
Date submitted
5/09/2023
Date registered
17/11/2023
Date last updated
17/11/2023
Date data sharing statement initially provided
17/11/2023
Type of registration
Prospectively registered
Titles & IDs
Public title
Synthetic haemostatic agent at laparoscopic ovarian cystectomy: STASIS study
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Scientific title
Synthetic haemostatic agent at laparoscopic ovarian cystectomy on ovarian reserve in women aged 25 to 40 years: STASIS study
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Secondary ID [1]
310537
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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:
ovarian cyst
331358
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ovarian reserve
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Condition category
Condition code
Reproductive Health and Childbirth
328106
328106
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0
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Other reproductive health and childbirth disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Synthetic haemostatic agent RADA16 (2.5% concentration, 3ml or 5ml prefill syringe as determined by surgical team) will be applied to surgical site following ovarian cystectomy until haemostasis is achieved.and then left in place
Administrated by gynaecological surgeon
intra-operative data including adherence of intervention will be collected by the surgical team completing STASIS study data collection form at end of procedure
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Intervention code [1]
326929
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Treatment: Devices
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Comparator / control treatment
No treatment or standard haemostasis management (bipolar/suture) at time of ovarian cystectomy
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Control group
Active
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Outcomes
Primary outcome [1]
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Pelvic ultrasound scan antral follicle count 3 months
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Assessment method [1]
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Timepoint [1]
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Baseline (within 4 weeks of operation) and 3 months post operative
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Secondary outcome [1]
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Serum Anti-Mullarian hormone
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Assessment method [1]
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Timepoint [1]
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Baseline (within 4 weeks of operation) and 3 months post operative
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Secondary outcome [2]
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readmission - patient medical records
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Assessment method [2]
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Timepoint [2]
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30 days post-operative
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Secondary outcome [3]
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return to theatre - patient medical records
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Assessment method [3]
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Timepoint [3]
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30 days post-operative
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Secondary outcome [4]
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haemorrhage (>500mls) - patient medical records
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Assessment method [4]
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Timepoint [4]
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30 days post-operative
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Secondary outcome [5]
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infection - patient medical records
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Assessment method [5]
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Timepoint [5]
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30 days post operative
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Secondary outcome [6]
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rate of allergy/adverse reaction - patient medical records
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Assessment method [6]
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Timepoint [6]
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30 days post operative
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Eligibility
Key inclusion criteria
• Age 25-40 years
• Waitlisted for elective laparoscopic ovarian cystectomy
• Primary diagnosis of unilateral or bilateral ovarian cyst as diagnosed on pelvic ultrasound scan
• Premenopausal with regular menstrual cycle
• Able to provide informed consent with or without an interpreter
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Minimum age
25
Years
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Maximum age
40
Years
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Sex
Females
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Can healthy volunteers participate?
No
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Key exclusion criteria
• History of allergy to haemostatic agents
• Post-menopausal status
• Pregnancy of lactation
• Suspicious findings for ovarian malignancy
• History of ovarian surgery (same ovary)
• Previous hysterectomy
• Active pelvic infection
• Unable to provide informed consent
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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)
computer-automated software random number generator
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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
Parallel
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
Safety/efficacy
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Statistical methods / analysis
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Recruitment
Recruitment status
Not yet recruiting
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Date of first participant enrolment
Anticipated
1/01/2024
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Actual
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Date of last participant enrolment
Anticipated
1/06/2024
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Actual
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Date of last data collection
Anticipated
1/10/2024
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Actual
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Sample size
Target
100
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
VIC
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Funding & Sponsors
Funding source category [1]
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Charities/Societies/Foundations
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Name [1]
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AGES Grant (awaiting outcome of application)
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Address [1]
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YRD Event ManagementPO Box 717 IndooroopillyQLD 4068 AUSTRALIA
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Country [1]
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Australia
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Primary sponsor type
Individual
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Name
Anna Brownson (primary investigator)
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Address
The Royal Women's Hospital, 20 Flemington Rd, Parkville VIC 3052
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Country
Australia
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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]
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Country [1]
317235
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Ethics approval
Ethics application status
Submitted, not yet approved
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Ethics committee name [1]
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The Royal Women's Hospital Human Research Ethics Committee
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Ethics committee address [1]
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20 Flemington Road Parkville VIC 3052
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Ethics committee country [1]
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Australia
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Date submitted for ethics approval [1]
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06/09/2023
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Approval date [1]
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Ethics approval number [1]
313749
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Summary
Brief summary
Synthetic haemostatic agent at laparoscopic ovarian cystectomy on ovarian reserve in women aged 25 to 40 years: STASIS study Ovarian cysts are a common gynaecological issue facing reproductive age women and the good standard surgical management is laparoscopic (key hole) ovarian cystectomy (removal of cyst). This procedure can associated with bleeding. Traditional methods to stop bleeding can damage the normal ovary (ovarian reserve) and potentially impact future fertility. Hameostatic (blood clotting) agents are commonly used surgical products applied to the ovary after the cyst has been removed to treat bleeding in a way that minimises damage to the normal ovary. Current available products are human or animal derived. Purastat is a similar product but completely synthetic (does not contain human or animal products), used in Gastrointestinal procedures (colonoscopy and gastroscopy) and is effective in reducing complications related to blood loss. We would like to study if applying this product to the ovary after the time of laparoscopy ovarian cystectomy is protective for ovarian reserve and future fertility.
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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 Anna Brownson
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Address
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The Royal Women's Hospital, 20 Flemington Road, Parkville VIC 3052
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Country
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Australia
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Phone
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+61451920926
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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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Anna Brownson
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Address
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Anna Brownson, The Royal Women's Hospital, 20 Flemington Road, Parkville VIC 3052
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Country
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Australia
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Phone
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+61451920926
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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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Anna Brownson
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Address
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Anna Brownson, The Royal Women's Hospital, 20 Flemington Road, Parkville VIC 3052
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Country
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Australia
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Phone
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+61451920926
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Fax
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Email
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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)?
No
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No/undecided IPD sharing reason/comment
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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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