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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT01327976
Other study ID # D01088
Secondary ID
Status Active, not recruiting
Phase Phase 3
First received March 31, 2011
Last updated April 12, 2012
Start date May 2011
Est. completion date December 2016

Study information

Verified date April 2012
Source EnteroMedics
Contact n/a
Is FDA regulated No
Health authority United States: Food and Drug Administration
Study type Interventional

Clinical Trial Summary

To determine the safety and efficacy of the Maestro RC2 System in producing weight loss in obese subjects.


Description:

The Maestro RC2 System is a neuromodulation system.

All subjects will be randomized in a 2:1 allocation to treatment or control group.

All subjects will be followed through the 12-month follow-up visit. Subjects in the control group who choose to have an active device will undergo a second surgery.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 234
Est. completion date December 2016
Est. primary completion date December 2012
Accepts healthy volunteers Accepts Healthy Volunteers
Gender Both
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria:

- Informed consent.

- Body mass index (BMI) = 40 kg/m2 to 45 kg/m2 or BMI = 35 kg/m2 to 39.9 kg/m2 with one or more severe obesity related co-morbid condition.

- Females or males.

- 18-65 years of age inclusive.

- Type 2 diabetes mellitus subjects that are well-controlled.

- Failure to respond to supervised diet/exercise program(s) in which the subject was engaged within the last 5 yrs.

- Ability to complete all study visits and procedures.

Exclusion Criteria:

- Concurrent chronic pancreatic disease.

- History of Crohn's disease and/or ulcerative colitis.

- History of bariatric surgery, fundoplication, gastric resection or major upper-abdominal surgery.

- History of pulmonary embolism or blood coagulation disorders.

- Clinically significant hiatal hernias known from subject's medical record as or determined by upper endoscopy prior to implant.

- Current portal hypertension and/or esophageal varices.

- Intra-operative exclusion: hiatal hernia requiring surgical repair or extensive dissection at esophagogastric junction at time of surgery.

- Treatment with weight-loss prescription drug therapy within the prior three months and the use of prescription drug therapy or the use over-the-counter weight loss preparations for the duration of the trial.

- Smoking cessation within the prior six months.

- Known genetic cause of obesity.

- Overall sustained reduction of more than 10% of body weight in the previous 12 months.

- Pre-operative diet with intent to lose weight prior to surgery.

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Outcomes Assessor), Primary Purpose: Treatment


Related Conditions & MeSH terms


Intervention

Device:
Active, implantable, intra abdominal vagal blocking medical device (Maestro RC2 System)
Active device will deliver VBLOC Therapy
Active, implantable, intra abdominal vagal blocking medical device (Maestro RC2 System)
Control device will deliver no VBLOC Therapy

Locations

Country Name City State
Australia Institute of Weight Control Baulkham Hills New South Wales
Australia Adelaide Bariatric Centre Bedford Park, SA
United States Tufts Medical Center Boston Massachusetts
United States Scripps Clinic Nutrition & Metabolic Research Center LaJolla California
United States University of Minnesota Minneapolis Minnesota
United States Oregon Health & Science University Portland Oregon
United States Virginia Commonwealth University Richmond Virginia
United States Mayo Clinic Rochester Rochester Minnesota
United States Scottsdale Healthcare Bariatric Center Scottsdale Arizona
United States Stanford University Stanford California

Sponsors (1)

Lead Sponsor Collaborator
EnteroMedics

Countries where clinical trial is conducted

United States,  Australia, 

Outcome

Type Measure Description Time frame Safety issue
Primary Primary efficacy objective Observe a 10% greater EWL from randomization with the Maestro System after 12 months of VBLOC Therapy compared to control by BMI method.
Observe clinically meaningful responder rates in the treatment arm of 20% and 25% EWL from implant at 12 months (not statistically based).
12 months No
Primary Primary safety objective To demonstrate a 12 month Serious Adverse Event rate related to device, implant/revision and therapy of less than 15%. 12 months Yes
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