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Bariatric Surgery Research


The Weight and Wellness Center at Tufts Medical Center has been actively involved in major research programs and clinical trials since its inception. Our doctors participate in these studies so that we can provide the most advanced care to our patients. Our goal is to make losing weight as easy and safe as possible.

Current research

Current research projects include:

  • Probiotic Obesity Study
  • Peripheral Blood Cells, Inflammation and Weight Loss Study
  • Is Angiogenesis the Link in the Obesity-Breast Cancer Connection (MTA study)
  • VLOCK Recharge
  • Correlation between non-invasive oscillometric blood  pressure and invasive arterial blood pressure in morbidly obese patients undergoing bariatric surgery
  • Gastrointestinal tissue acquisition in subjects undergoing gastric bypass surgery
  • Principal Investigator for Multi-center Empower Clinical Trial: Vagal Blocking for Obesity Control (VBLOC)- Randomized Enteromedics  - April 2010 to current
  • Principal Investigator for Multi-center SILS Cholecystectomy Post-Market Study Randomized. Covidien- September 2009

Kim J, Brethauer S. Metabolic bone changes after bariatric surgery position statement. On behalf of the ASMBS Clinical Issues Committee. Surg Obes Relat Dis. 2014 April 14.

Tayne S, Merrill C, Shah S, Kim J, Mackey W. Modifiable risk factors for 30-day readmissions and modifying post-operative care following gastric bypass surgery. J Am Coll Surgeons. 2014 May 20.

Marks JM, Phillips MS, Tacchino R, Roberts K, Onders R, DeNoto G, Gecelter G, Rubach E, Rivas H, Islam A, Soper N, Paraskeva P, Rosemurgy A, Ross S, Shah S. Single-incision laparoscopic cholecystectomy is associated with improved cosmesis scoring at the cost of significantly higher hernia rates: 1-year results of a prospective randomized, multicenter, single-blinded trial of traditional multiport laparoscopic cholecystectomy vs single-incision laparoscopic cholecystectomy. J Am Coll Surg. 2013 Jun;16(6):1037-47; discussion 1047-1048. J Am Coll Surg. 2013 Jun;216(6):1037-47; discussion 1047-8. doi: 10.1016/j.jamcollsurg.2013.02.024. Epub 2013 Apr 23.

Phillips MS, Marks JM, Roberts K, Tacchino R, Onders R, DeNoto G, Rivas H, Islam A, Soper N, Gecelter G, Rubach E, Paraskeva P, Shah, S. Intermediate results of a prospective randomized controlled trial of traditional four-port laparoscopic cholecystectomy versus single-incision laparoscopic cholecystectomy. Surg Endosc. 2012 May;26(5):1296-303. doi: 10.1007/s00464-011-2028-z. Epub 2011 Nov 15.

Marks J, Tacchino R, Roberts K, Onders R, Denoto G, Paraskeva P, Rivas H, Soper N, Rosemurgy A, Shah S. Prospective randomized controlled trial of traditional laparoscopic cholecystectomy versus single-incision laparoscopic cholecystectomy: report of preliminary data. Am J Surg. 2011 Mar;201(3):369-72; discussion 372-3. doi: 10.1016/j.amjsurg.2010.09.012.


Shah SS: Weight-loss Surgery. IMANE Spring Meeting. Mass Medical Society: May 2014.

Shah SS: Morbid Obesity: Surgical Management.  AAPI Annual Meeting. Chicago, IL: October 2013.

Shah SS: Targeted PFA Workgroup Webinar:  Obesity Treatment Options In Diverse Populations. April 16, 2013- Washington D.C.

Shah SSCommunity Health Center: Obesity, Nutrition and Exercise. Staten Island, NY: 2013.


Sajani N. Shah, MD

Accepting New Patients
Virtual Appointments Available

Title(s): Surgeon; Assistant Professor, Tufts University School of Medicine
Department(s): Surgery, Bariatric and Minimally Invasive Surgery, General Surgery
Appt. Phone: 617.636.6093
Fax #: 617.636.9095

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