Comparing the Benefits and Harms of Three Types of Weight Loss Surgery — The PCORnet® Bariatric Study

Study Updated 03/05/2024

Study Website: The PCORnet Bariatric Study (PBS)
ClinicalTrials.gov#: NCT02741674
Study Design: Retrospective Observational
PCORnet Infrastructure: Collaboration, CDM, Engagement
Principal Investigator: David Arterburn
Site Name: Kaiser Permanente Washington Health Research Institute
PCORnet® Network Partner: Legacy PCORnet Partner
Funder: Patient-Centered Outcomes Research Institute (PCORI); (Project webpage)
Funding Date: 2015
Study Duration: 2016 – 2018
Participating Clinical Research Networks: ADVANCE, GPC, INSIGHT, OneFlorida+, PaTH, PEDSnet, REACHnet, STAR
Therapeutic Area: Gastroenterology
Condition: Bariatrics, Body Weight, Diabetes, Gastric Bypass, Obesity
Population: up to 79 Years (Child,  Adult,  Older Adult)
Status: Completed

Research Question(s):
We don’t know much about the long-term effectiveness of bariatric interventions. Can we use PCORnet to compare compare weight loss and safety among three popular bariatric procedures?

Primary Publication(s):
Comparative effectiveness of bariatric procedures among adolescents: the PCORnet bariatric study
Inge TH, Coley RY., Bazzano LA,. et al. Comparative effectiveness of bariatric procedures among adolescents: the PCORnet bariatric study. SOARD, 2018, 14(9):1374-1386.

Comparing the 5-Year Diabetes Outcomes of Sleeve Gastrectomy and Gastric Bypass: The National Patient-Centered Clinical Research Network (PCORNet) Bariatric Study
McTigue KM, Wellman R, Nauman E, et al. PCORnet Bariatric Study Collaborative. Comparing the 5-Year Diabetes Outcomes of Sleeve Gastrectomy and Gastric Bypass: The National Patient-Centered Clinical Research Network (PCORNet) Bariatric Study. JAMA Surg. 2020;155(5):e200087. doi: 10.1001/jamasurg.2020.0087. Epub 2020 May 20. PMID: 32129809; PMCID: PMC7057171.

Estimating the Burden of Nonalcoholic Steatohepatitis Using a Multistate Electronic Health Record Data Network

Study Updated 03/28/2024

Study Design: Retrospective Observational
PCORnet Infrastructure: Collaboration, CDM, Engagement
Principal Investigator: Kathleen McTigue
Site Name: University of Pittsburgh/UPMC
PCORnet® Network Partner: PaTH
Funder: Pfizer
Funding Date: 2020
Study Duration: 2020 – 2023
Participating Clinical Research Networks: OneFlorida+, PaTH, REACHnet
Therapeutic Area: Gastroenterology
Condition: Non-alcoholic Fatty Liver Disease (NAFLD)
Population:

Research Question(s):

  1. How do patients with non-alcoholic steatohepatitis (NASH) or non-alcoholic fatty liver disease (NAFLD) compare with those who do not have these diagnoses?
  2. How is risk for liver fibrosis (calculated from 4 validated scores) distributed among patients with and without diagnoses for NASH or NAFLD?