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Alcohol and Bariatric Surgery

October 23, 2019


This study is exploring the relationship between alcohol and three forms of bariatric surgery, Roux-en-Y gastric bypass (RYGB), sleeve gastrectomy (SG) and laparoscopic adjustable gastric banding (LAGB). The study is looking to develop a better understanding of the effect of bariatric surgery-induced weight loss on 1) alcohol absorption, distribution and elimination from the body, 2) the effects of alcohol on mood, and 3) the effects of alcohol on driving.


Study Information

This is an observational study of 112 participants. It includes six groups of women: One group will be undergoing RYGB, another will be undergoing LAGB, a third will be undergoing SG, the fourth will be women who underwent RYGB 1-5 years ago, the fifth will be women who underwent LAGB 1-5 years ago, and the sixth will be women who underwent SG 1-5 years ago. The cost of surgery is not included as part of the study. The study began on March 2016 and is estimated to be completed in April 2021. 


Inclusion Criteria

  • Female
  • Drink at least 1 standard alcoholic beverage/ month
  • Underwent RYGB, SG, or LAGB 1-5 years ago or will undergo RYGB, SG, or LAGB surgery


Exclusion Criteria

  • Male
  • Smoker or quit < 6 months ago
  • Anemia
  • Liver disease
  • Body weight > 450 pounds
  • Taking medications that can interact with alcohol metabolism or the subjective effects of alcohol



This study is taking place at the University of Illinois at Urbana Champaign, Urbana, Illinois, United States, 61801. For more information please contact Belen Acevedo, PhD on 2173004709 or at You may also contact Christine Canfield, BS, CCRP on 2173260095 or at


Sponsors / Collaborators

The study is sponsored by the University of Illinois at Urbana-Champaign and Carle Foundation Hospital. The Principal Investigator is Marta Y Pepino de Gruev, PhD.

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