Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.
COMPLETED
5102 participants
OBSERVATIONAL
2005-03-31
2007-12-31
Brief Summary
Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.
Detailed Description
Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.
Funds are not available to pay for the surgery for patients, only to address research questions.
Conditions
See the medical conditions and disease areas that this research is targeting or investigating.
Keywords
Explore important study keywords that can help with search, categorization, and topic discovery.
Study Design
Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.
COHORT
PROSPECTIVE
Eligibility Criteria
Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.
Inclusion Criteria
Exclusion Criteria
18 Years
ALL
Yes
Sponsors
Meet the organizations funding or collaborating on the study and learn about their roles.
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
University of Pittsburgh
OTHER
Responsible Party
Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.
Oregon Health & Science University
Principal Investigators
Learn about the lead researchers overseeing the trial and their institutional affiliations.
Bruce Wolfe, MD
Role: STUDY_CHAIR
Oregon Health and Science University
Locations
Explore where the study is taking place and check the recruitment status at each participating site.
Sacramento Bariatric
Sacramento, California, United States
Cornell University Medical Center
New York, New York, United States
Columbia University Medical Center
New York, New York, United States
East Carolina University
Greenville, North Carolina, United States
Neuropsychiatric Research Institute
Fargo, North Dakota, United States
Legacy Good Samaritan Hospital
Portland, Oregon, United States
Oregon Health and Science University
Portland, Oregon, United States
University of Pittsburgh Medical Center
Pittsburgh, Pennsylvania, United States
University of Washington
Seattle, Washington, United States
Virginia Mason Medical Center
Seattle, Washington, United States
Countries
Review the countries where the study has at least one active or historical site.
References
Explore related publications, articles, or registry entries linked to this study.
Walker E, Elman M, Takemoto EE, Fennern E, Mitchell JE, Pories WJ, Ahmed B, Pomp A, Wolfe BM. Bariatric Surgery Among Medicare Subgroups: Short- and Long-Term Outcomes. Obesity (Silver Spring). 2019 Nov;27(11):1820-1827. doi: 10.1002/oby.22613. Epub 2019 Sep 27.
O'Rourke RW, Johnson GS, Purnell JQ, Courcoulas AP, Dakin GF, Garcia L, Hinojosa M, Mitchell JE, Pomp A, Pories WJ, Spaniolas K, Flum DR, Wahed AS, Wolfe BM. Serum biomarkers of inflammation and adiposity in the LABS cohort: associations with metabolic disease and surgical outcomes. Int J Obes (Lond). 2019 Feb;43(2):285-296. doi: 10.1038/s41366-018-0088-z. Epub 2018 May 17.
Purnell JQ, Johnson GS, Wahed AS, Dalla Man C, Piccinini F, Cobelli C, Prigeon RL, Goodpaster BH, Kelley DE, Staten MA, Foster-Schubert KE, Cummings DE, Flum DR, Courcoulas AP, Havel PJ, Wolfe BM. Prospective evaluation of insulin and incretin dynamics in obese adults with and without diabetes for 2 years after Roux-en-Y gastric bypass. Diabetologia. 2018 May;61(5):1142-1154. doi: 10.1007/s00125-018-4553-y. Epub 2018 Feb 10.
Longitudinal Assessment of Bariatric Surgery (LABS) Consortium; Flum DR, Belle SH, King WC, Wahed AS, Berk P, Chapman W, Pories W, Courcoulas A, McCloskey C, Mitchell J, Patterson E, Pomp A, Staten MA, Yanovski SZ, Thirlby R, Wolfe B. Perioperative safety in the longitudinal assessment of bariatric surgery. N Engl J Med. 2009 Jul 30;361(5):445-54. doi: 10.1056/NEJMoa0901836.
Related Links
Access external resources that provide additional context or updates about the study.
Study web site
Other Identifiers
Review additional registry numbers or institutional identifiers associated with this trial.
DK66557 (completed)
Identifier Type: -
Identifier Source: org_study_id