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Trial details imported from ClinicalTrials.gov
For full trial details, please see the original record at
https://clinicaltrials.gov/study/NCT00555958
Registration number
NCT00555958
Ethics application status
Date submitted
8/11/2007
Date registered
9/11/2007
Date last updated
2/02/2012
Titles & IDs
Public title
Vagal Blocking for Obesity Control
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Scientific title
VBLOC™ Clinical Trial: Vagal Block for Obesity Control
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Secondary ID [1]
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D00292-000
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Secondary ID [2]
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VBLOC
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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:
Obesity
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Condition category
Condition code
Diet and Nutrition
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Obesity
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Metabolic and Endocrine
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Other metabolic disorders
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Intervention/exposure
Study type
Interventional
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Description of intervention(s) / exposure
Treatment: Devices - Active, implantable, intra-abdominal vagal blocking medical device
Experimental: A - All study subjects will be implanted with the Maestro System, and all will receive VBLOC therapy.
Treatment: Devices: Active, implantable, intra-abdominal vagal blocking medical device
Intermittent, programmable, intra-abdominal vagal blocking
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Intervention code [1]
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Treatment: Devices
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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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Excess weight loss (EWL)
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Assessment method [1]
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Timepoint [1]
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4 and 12 weeks, and 6, 12, 24, 36, 48 and 60 months
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Primary outcome [2]
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Serious Adverse Events (SAE) and Unanticipated Adverse Device Effects (UADE)
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Assessment method [2]
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Timepoint [2]
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4 and 12 weeks, and 6, 12, 24, 36, 48 and 60 months
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Eligibility
Key inclusion criteria
* Body mass index (BMI) 35-50 +/- 10% inclusive
* Failure to respond to diet/exercise program
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Minimum age
25
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
* History of gastric resection or major upper-abdominal surgery (e.g. cholycystectomy, hysterectomy acceptable)
* Current type 1 diabetes mellitus (DM) or poorly controlled type 2 DM
* Reductions of more than 10% of body weight in the previous 12 months
* Current medical condition that would make subject unfit for surgery under general anesthesia or that would be exacerbated by intentional weight loss
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Study design
Purpose of the study
Treatment
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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
Open (masking not used)
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Who is / are masked / blinded?
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Intervention assignment
Single group
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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
UNKNOWN
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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
1/11/2005
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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
1/09/2014
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Actual
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Sample size
Target
120
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Accrual to date
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Final
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Recruitment in Australia
Recruitment state(s)
SA
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Recruitment hospital [1]
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Flinders Medical Centre - Bedford Park
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Recruitment hospital [2]
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Institute of Weight Control - Sydney
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Recruitment postcode(s) [1]
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5042 - Bedford Park
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Recruitment postcode(s) [2]
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2153 - Sydney
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Recruitment outside Australia
Country [1]
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Mexico
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State/province [1]
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Mexico City
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Country [2]
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Norway
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State/province [2]
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Trondheim
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Country [3]
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Switzerland
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State/province [3]
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Basel
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Funding & Sponsors
Primary sponsor type
Commercial sector/industry
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Name
ReShape Lifesciences
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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
To determine the safety, efficacy and treatment algorithm(s) of the Maestro System in causing weight loss in obese subjects - This study will provide feasibility data regarding the potential of intra-abdominal vagus nerve down-regulation/block in the treatment of obesity.
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Trial website
https://clinicaltrials.gov/study/NCT00555958
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Trial related presentations / publications
Shikora S, Toouli J, Herrera MF, Kulseng B, Zulewski H, Brancatisano R, Kow L, Pantoja JP, Johnsen G, Brancatisano A, Tweden KS, Knudson MB, Billington CJ. Vagal blocking improves glycemic control and elevated blood pressure in obese subjects with type 2 diabetes mellitus. J Obes. 2013;2013:245683. doi: 10.1155/2013/245683. Epub 2013 Jul 30.
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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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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/NCT00555958
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