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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT01361971
Registration number
NCT01361971
Ethics application status
Date submitted
24/05/2011
Date registered
27/05/2011
Date last updated
19/09/2013
Titles & IDs
Public title
Hyperbaric Oxygen Treatment Ameliorates Insulin Resistance
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Scientific title
Hyperbaric Oxygen Treatment Ameliorates Insulin Resistance
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Secondary ID [1]
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RAH100615
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Universal Trial Number (UTN)
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Trial acronym
HOTAIR
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Linked study record
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Health condition
Health condition(s) or problem(s) studied:
Obesity
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Type 2 Diabetes
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Condition category
Condition code
Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Surgery - Hyperbaric Oxygen Treatment
Treatment: Surgery: Hyperbaric Oxygen Treatment
Participants will undergo 4 treatments of hyperbaric oxygen. Each treatment consists of 90 minutes compression at 2 atmospheres of pressure, with 30 minutes decompression back to 1 atmosphere, during this time, patients will be treated with 100% Oxygen delivered via a hood system.
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Intervention code [1]
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Treatment: Surgery
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Comparator / control treatment
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Control group
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Outcomes
Primary outcome [1]
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Insulin sensitivity
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Assessment method [1]
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Using Hyperinsulinemic clamp
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Timepoint [1]
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1 year
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Secondary outcome [1]
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Hypoxia and inflammatory markers
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Assessment method [1]
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using IHC, qPCR, Western blot
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Timepoint [1]
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1 year
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Eligibility
Key inclusion criteria
* Obese men with and without type 2 diabetes aged 45-70
* Lean men without type 2 diabetes aged 45-70
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Minimum age
45
Years
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Maximum age
70
Years
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Sex
Males
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Can healthy volunteers participate?
Yes
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Key exclusion criteria
* smokers
* claustrophobic
* sleep apnoea
* blood donor
* exercise more than 2 times per week
* under certain medications eg: bleomycin,corticosteroid
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Study design
Purpose of the study
Other
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Allocation to intervention
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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
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
NA
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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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Data analysis
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Reason for early stopping/withdrawal
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Other reasons
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Date of first participant enrolment
Anticipated
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Actual
1/04/2011
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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
1/01/2013
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Sample size
Target
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Accrual to date
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Final
20
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Recruitment in Australia
Recruitment state(s)
SA
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Recruitment hospital [1]
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University of Adelaide - Adelaide
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Recruitment postcode(s) [1]
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- Adelaide
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Funding & Sponsors
Primary sponsor type
Other
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Name
University of Adelaide
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Address
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Country
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Ethics approval
Ethics application status
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Summary
Brief summary
Obesity is an epidemic in Western society and is the biggest risk factor for insulin resistance and type 2 diabetes. The investigators have preliminary evidence showing that hyperbaric oxygen therapy rapidly increases insulin sensitivity in humans. This requires confirmation in a larger population, and with this study the investigators will also test for mechanisms how this occurs. The investigators suspect that modulation of hypoxia and stress response proteins following changes in tissue oxygenation may contribute to these improvements. This study has the potential to yield new and important insights into the insulin resistance in obesity.
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Trial website
https://clinicaltrials.gov/study/NCT01361971
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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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Leonie K Heilbronn, Phd
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Address
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University of Adelaide
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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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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 scientific queries
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
No documents have been uploaded by study researchers.
Results not provided in
https://clinicaltrials.gov/study/NCT01361971
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