Lessons Learned from a Randomized Controlled Trial of Bariatric Surgery versus Intensive Lifestyle Modification for Individuals with Type 2 Diabetes

Scott Ritter^1,3, David B Sarwer^1,2*, Jacqueline C Spitzer^1,4, Marion L Vetter³, Reneé H Moore^1,4,5, Noel N Williams² and Thomas A Wadden¹

¹Department of Psychiatry, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA, E-mail: sritter@mail.med.upenn.edu

²Department of Surgery, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA, E-mail: sritter@mail.med.upenn.edu

³Department of Medicine, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA, E-mail: sritter@mail.med.upenn.edu

⁴Department of Biostatistics and Epidemiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA 19104, USA, E-mail: sritter@mail.med.upenn.edu

⁵Department of Statistics, North Carolina State University, Raleigh, NC 27695, USA, E-mail: sritter@mail.med.upenn.edu

^*Corresponding Author: David B Sarwer, University of Pennsylvania Perelman School of Medicine, Center for Weight and Eating Disorders, Suite 3108, Philadelphia, PA 19104, USA, Fax: (215) 898-2878 Email: