Imperial College London


Faculty of MedicineDepartment of Surgery & Cancer

Clinical Senior Lecturer in Bariatric Surgery



+44 (0)20 3312 6962s.purkayastha Website




1022Queen Elizabeth the Queen Mother Wing (QEQM)St Mary's Campus





Sanjay Purkayastha is a General Surgeon with a specialist interest in Bariatric & Upper GI Surgery.

His research interests are varied and include surgical education especially digital mobile technologies, clinical research in Bariatric and Metabolic Surgery, assessing the health of heathcare organisations, single port laparoscopic surgery and surgical evidence synthesis.



Kamocka A, McGlone ER, Pérez-Pevida B, et al., 2019, Candy cane revision after Roux-en-Y gastric bypass, Surgical Endoscopy, ISSN:0930-2794

Miras AD, Ravindra S, Humphreys A, et al., 2019, Metabolic changes and diabetes microvascular complications 5 years after obesity surgery., Obesity Surgery, ISSN:0960-8923

Wiggins T, Markar SR, MacKenzie H, et al., 2019, Optimum timing of emergency cholecystectomy for acute cholecystitis in England: population-based cohort study, Surgical Endoscopy and Other Interventional Techniques, Vol:33, ISSN:0930-2794, Pages:2495-2502

Behary P, Tharakan G, Alexiadou K, et al., 2019, Combined GLP-1, oxyntomodulin, and peptide YY improves body weight and glycemia in obesity and prediabetes/type 2 diabetes: a randomized single-blinded placebo controlled study, Diabetes Care, ISSN:0149-5992


Kamocka A, Miras AD, Perez-Pevida B, et al., 2019, LONG VS STANDARD BILIOPANCREATIC LIMB ROUX-EN-Y GASTRIC BYPASS FOR TYPE 2 DIABETES. THE LONG LIMB TRIAL Type 2 diabetes and metabolic surgery, 24th World Congress of the International-Federation-for-the-Surgery-of-Obesity-and-Metabolic-Disorders (IFSO) / 21st SECO Congress, SPRINGER, Pages:234-234, ISSN:0960-8923

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