Longitudinal Assessment of Bariatric Surgery (LABS-1)
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The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT00433810 |
Recruitment Status :
Completed
First Posted : February 12, 2007
Last Update Posted : December 24, 2010
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Condition or disease |
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Morbid Obesity |
The primary objectives of this study are to assess the safety of bariatric surgery by estimating the prevalence of short term adverse outcomes in a multicenter cohort of patients undergoing bariatric surgical procedures and to determine the associations between short term adverse outcomes after bariatric surgery and both clinical/demographic patient characteristics and features of operative/perioperative care
Funds are not available to pay for the surgery for patients, only to address research questions.
Study Type : | Observational |
Actual Enrollment : | 5102 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Official Title: | Longitudinal Assessment of Bariatric Surgery (LABS-1) |
Study Start Date : | March 2005 |
Actual Primary Completion Date : | December 2007 |
Actual Study Completion Date : | December 2007 |


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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- All patients age 18 years or older, eligible and undergoing bariatric surgery performed by a LABS-certified surgeon.
Exclusion Criteria:
- Patients who do not provide informed consent

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00433810
United States, California | |
Sacramento Bariatric | |
Sacramento, California, United States | |
United States, New York | |
Cornell University Medical Center | |
New York, New York, United States, 10021 | |
Columbia University Medical Center | |
New York, New York, United States, 10032 | |
United States, North Carolina | |
East Carolina University | |
Greenville, North Carolina, United States, 27834 | |
United States, North Dakota | |
Neuropsychiatric Research Institute | |
Fargo, North Dakota, United States, 58107 | |
United States, Oregon | |
Legacy Good Samaritan Hospital | |
Portland, Oregon, United States | |
Oregon Health and Science University | |
Portland, Oregon, United States | |
United States, Pennsylvania | |
University of Pittsburgh Medical Center | |
Pittsburgh, Pennsylvania, United States, 15213 | |
United States, Washington | |
University of Washington | |
Seattle, Washington, United States, 98195 | |
Virginia Mason Medical Center | |
Seattle, Washington, United States, 98195 |
Study Chair: | Bruce Wolfe, MD | Oregon Health and Science University |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | Dr. Bruce Wolfe, LABS Steering Committee Chair, Oregon Health & Science University |
ClinicalTrials.gov Identifier: | NCT00433810 |
Other Study ID Numbers: |
DK66557 (completed) U01DK066557 ( U.S. NIH Grant/Contract ) |
First Posted: | February 12, 2007 Key Record Dates |
Last Update Posted: | December 24, 2010 |
Last Verified: | December 2010 |
obesity bariatric surgery 30-day mortality |
Obesity, Morbid Obesity Overnutrition |
Nutrition Disorders Overweight Body Weight |