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Transplant Surgery »  Meet the Team »  Transplant Surgeons »  Andrew M. Posselt, M.D., Ph.D.

Andrew M. Posselt, M.D., Ph.D., FACS

Professor of Surgery
Division of Transplant Surgery
Director, Pancreatic Islet Transplant Program

Contact Information

Academic Office
(415) 514-5606
andrew.posselt@ucsf.edu
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  • Stanford University, B.S., Biology, 1981-85
  • University of Pennsylvania, M.D., Medicine, 1985-93
  • University of Pennsylvania, Ph.D., Immunology, 1989-93
  • University of California, San Francisco, Resident, Medicine, 1993-96
  • University of California, San Francisco, Resident, Surgery, 1996-00
  • University of California, San Francisco, Fellow, Transplant Surgery, 2000-02
  • American Board of Internal Medicine, 1996
  • American Board of Surgery, 2002
  • Pancreatic Islet Transplantation Program
  • Bariatric Surgery Center
  • ABO-Incompatible Kidney Transplant Program
  • Autologous Islet Cell Transplantation
  • Bariatric Surgery (Laparoscopic and Open)
  • Bile Duct Injuries
  • Bile Duct Strictures
  • Choledochal Cyst Disease
  • End-Stage Kidney Disease
  • Fulminant Hepatic Failure
  • Hepatitis B
  • Hepatitis C
  • Hepatocellular Carcinoma (Primary Liver Cancer)
  • Islet Cell Transplantation
  • Kidney Transplantation
  • Laparoscopic Donor Nephrectomy
  • Liver Cysts
  • Liver Transplantation
  • Nonalcoholic Fatty Liver Disease
  • Pancreas Transplantation
  • Pediatric Kidney Transplantation
  • Pediatric Liver Transplantation
  • Portal Hypertension
  • Assessment of long-term clinical outcomes in kidney donors
  • Clinical outcomes of bariatric surgery in patients with end-stage kidney or liver disease
  • Metabolic and biochemical consequences of bariatric surgery
  • Transplantation of pancreatic islets as treatment for type 1 diabetes mellitus

Dr. Andrew Posselt is an attending multi-organ transplant surgeon at UCSF and Director of the ABO-Incompatible Kidney Transplant Program as well as Co-director of the Pancreatic Islet Transplant Program and the Bariatric Surgery Program.  Dr. Posselt specializes in adult and pediatric kidney, liver and pancreas transplantation; laparoscopic donor nephrectomy; and laparoscopic as well as open bariatric surgery.  Dr. Posselt's current research interests include: 1) transplantation of pancreatic islets for the treatment of type 1 diabetes mellitus; 2) assessment of long-term renal function in kidney donors after donor nephrectomy; 3) immunologic and tolerogenic properties of embryonic stem cells; and 4) bariatric surgery in patients awaiting transplant. 

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  • Treatment of Type I Diabetes by Islet Transplantation into the Gastric Submucosa
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    Funding Period:
    May 2014
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    Apr 2020
    Principal Investigator
  • "Advancing Islet Transplant for Type 1 Diabetes Care"
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    Funding Period:
    Sep 2009
    -
    Jul 2013
    Principal Investigator
  • Effect of Obesity on Long-Term Clinical Outcomes after Kidney Donation
    Sponsor:
    Sponsor ID:
    Funding Period:
    Sep 2009
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    Jun 2012
    Principal Investigator
Data provided by UCSF Profiles, powered by CTSI
MOST RECENT PUBLICATIONS FROM A TOTAL OF 97
Data provided by UCSF Profiles, powered by CTSI
  1. Markmann JF, Rickels MR, Eggerman TL, Bridges ND, Lafontant DE, Qidwai J, Foster E, Clarke WR, Kamoun M, Alejandro R, Bellin M, Chaloner K, Czarniecki CW, Goldstein JS, Hering BJ, Hunsicker LG, Kaufman DB, Korsgren O, Larsen CP, Luo X, Naji A, Oberholzer J, Posselt AM, Ricordi C, Senior PA, Shapiro A, Stock PG, Turgeon NA. Phase 3 Trial of Human Islet-after-Kidney Transplantation in Type 1 Diabetes. Am J Transplant. 2020 Jul 06. View in PubMed
  2. Syed SM, Gardner J, Roll G, Webber A, Mehta N, Shoji J, Adelmann D, Niemann C, Braun HJ, Mello A, Yao F, Posselt A, Kang SM, Hirose R, Roberts J, Feng S, Ascher N, Stock P, Freise C. COVID-19 and Abdominal Transplant: A Stepwise Approach to Practice During Pandemic Conditions. Transplantation. 2020 Jun 29. View in PubMed
  3. Wisneski AD, Carter J, Nakakura EK, Posselt A, Rogers SJ, Cello JP, Arain M, Kirkwood KS, Hirose K, Stewart L, Corvera CU. Ampullary stenosis and choledocholithiasis post Roux-En-Y gastric bypass: challenges of biliary access and intervention. HPB (Oxford). 2020 Apr 24. View in PubMed
  4. Roll GR, Posselt AM, Freise J, Baird J, Syed S, Mo Kang S, Hirose R, Szot GL, Zarinsefat A, Feng S, Worner G, Sarwal M, Stock PG. Long-term follow-up of beta cell replacement therapy in 10 HIV-infected patients with renal failure secondary to type 1 diabetes mellitus. Am J Transplant. 2020 Aug; 20(8):2091-2100. View in PubMed
  5. Diwan TS, Lee TC, Nagai S, Benedetti E, Posselt A, Bumgardner G, Noria S, Whitson BA, Ratner L, Mason D, Friedman J, Woodside KJ, Heimbach J. Obesity, transplantation, and bariatric surgery: An evolving solution for a growing epidemic. Am J Transplant. 2020 Aug; 20(8):2143-2155. View in PubMed
  6. View All Publications
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