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Trial registered on ANZCTR
Registration number
ACTRN12612000918820
Ethics application status
Not yet submitted
Date submitted
3/05/2012
Date registered
28/08/2012
Date last updated
28/08/2012
Type of registration
Prospectively registered
Titles & IDs
Public title
Hypoxic Regulation of Integrin Beta1 During Mucosal Wound
Healing
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Scientific title
Hypoxic Regulation of Integrin Beta1 During Mucosal Wound
Healing
(Crohn’s Disease Study)
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Secondary ID [1]
281110
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None
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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:
Crohn's Disease
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Condition category
Condition code
Oral and Gastrointestinal
287595
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0
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Inflammatory bowel disease
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Samples will be collected from current Inflammatory Bowel Disease (IBD) patients undergoing follow-up/routine endoscopy.
The Gastroenterologist will collect up to 12 small biopsy samples from the bowel during your colonoscopy; of the 12 small samples 5 will be used as standard clinical care the other 7 samples will be frozen and used as part of our research and stored at The University of Newcastle School of Biomedical Sciences and Pharmacy for analysis. The size of the biopsy is small, ranging in size between 2 – 4mm each. Biopsies will be taken from the ileum, ascending colon, descending colon and biopsies from any inflamed areas and non-inflamed areas of the colon.
Thus the sample collection will not involve any additional processes to what the participant will already being undergoing.
Participants will be recruited during procedures and will not be contacted post care.
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Intervention code [1]
284792
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Early detection / Screening
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Comparator / control treatment
Control biopsies will be obtained from cancer or lower GI bleeding colonoscopy screenings which are normal with no
history of IBD or IBS that are ongoing during the course of the trial (2012-2015)
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Control group
Active
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Outcomes
Primary outcome [1]
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Identification of major mechanisms of mucosal wound healing in active Crohn's inflammation
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Assessment method [1]
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Timepoint [1]
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During active inflammation and during remission
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Secondary outcome [1]
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Possible proof of principle for therapeutic strategy to promote wound healing during active inflammation
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Assessment method [1]
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Timepoint [1]
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N/A
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Eligibility
Key inclusion criteria
Must be non smokers. With diagnosed Crohn's disease and either
CDAI>150
Or previously had CDAI>150 and now below 150
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Minimum age
18
Years
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Maximum age
60
Years
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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
Must be non smokers with no history of IBD or IBS.
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Study design
Purpose of the study
Diagnosis
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Allocation to intervention
Non-randomised 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
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Who is / are masked / blinded?
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Intervention assignment
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Other design features
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Phase
Not Applicable
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Type of endpoint/s
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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
2/02/2013
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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
72
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
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Funding & Sponsors
Funding source category [1]
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Government body
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Name [1]
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NHMRC
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Address [1]
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National Health and Medical Research Council
GPO Box 1421
Canberra ACT 2601
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Country [1]
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Australia
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Primary sponsor type
University
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Name
University of Newcastle
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Address
University Drive,
Callaghan
2308 NSW
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Country
Australia
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Secondary sponsor category [1]
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Hospital
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Name [1]
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Hunter Medical Research Institute - John Hunter Hospital
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Address [1]
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John Hunter Hospital
Lookout Road,
New Lambton Heights
2310 NSW
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Country [1]
284715
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Australia
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Ethics approval
Ethics application status
Not yet submitted
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Ethics committee name [1]
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Hunter New England Human Research Ethics Committee (EC00403)
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Ethics committee address [1]
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Hunter New England Health Locked Bag 1 NEW LAMBTON NSW 2305
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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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03/05/2012
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Approval date [1]
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Ethics approval number [1]
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12/04/18/3.01
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Summary
Brief summary
One major problem for those afflicted with inflammatory bowel disease (IBD) is the breakdown of the gut wall lining due to inflammation. This breakdown is best described as an open wound allowing bacteria and toxic substances to enter the body through the gut which prolongs and worsens the existing inflammation. In severe IBD, these wounds may prevent immediate application of certain treatments and require steroids to permit wound healing. This route of therapy often comes with many unwanted side effects for the patient. There is currently very little known about how wound healing is initiated or how it progresses in the gut. Understanding of how the wound healing process is regulated may allow us to improve the treatment of IBD wounding and allow the design of new therapies to control the disease. This project examines the roles and interactions of HIF, a protein that regulates a cells response to lack of oxygen, and of a cell membrane linker protein, Beta1 integrin, which allows cells to interact and form the gut lining that protects the body from the intestinal contents. We will test the importance of this protein in the repair of intestinal wounds and the factors which drive its role in wound repair. To achieve this, we will use reductionist models of the intestine that mimic the wound healing process and animal models of IBD. These models will allow us to manipulate Beta1 integrin in the hope of understanding the role it plays in wound healing. We will then use the knowledge gained from these studies, to examine human tissue from IBD patients, in the hope of identifying a trend in how Beta1 integrin contributes to the severity of IBD disease
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Trial website
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Trial related presentations / publications
Presentations: 2012 Experimental Biology Meeting, San Diego, USA 2010 American Gastroenterological Society, Gastrointestinal Injury meeting, Scottsdale, USA 2009 Advances in IBD Meeting, Florida, USA 2008 Experimental Biology Meeting, San Diego USA Publications: S. Keely, LE. Glover, CF. MacManus, EL. Campbell, MM. Scully, GT. Furuta, SP. Colgan Selective induction of integrin Beta1 by hypoxia-inducible factor (HIF): Implications for wound healing. The FASEB Journal, 2009; 23(5): 1338-1346. IF:6.401, ERA Rank A A. Robinson, S. Keely, J. Karhausen, ME. Gerich, GT. Furuta, SP. Colgan. Mucosal Protection by Hypoxia-Inducible Factor Prolyl Hydroxylase Inhibition. Gastroenterology, 2008 134(1):145-155. IF:12.591, ERA Rank A*
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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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Melissa Young
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Address
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Research & Clinical Trials Coordinator Department of Gastroenterology
John Hunter Hospital, Department of Gastroenterology, Lookout Road New Lambton NSW 2305
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Country
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Australia
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Phone
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+61 2 4921 4853
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Fax
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+61 2 4985 5978
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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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Simon Keely
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Address
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Immunology & Microbiology
Rm 2413, Level 2 East Wing,
Hunter Medical Research Institute
School of Biomedical Sciences and Pharmacy
Faculty of Health
University of Newcastle
Callaghan NSW 2308
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Country
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Australia
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Phone
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+61 2 4042 0229
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Fax
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+61 2 4042 0026
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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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