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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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  • Vertical Sleeve Gastrectomy for Treatment of NASH: a pilot randomized control
    Sponsor:
    Sponsor ID:
    Funding Period:
    Jul 2021
    -
    May 2024
    Co-Principal Investigator
  • Treatment of Type I Diabetes by Islet Transplantation into the Gastric Submucosa
    Sponsor:
    Sponsor ID:
    Funding Period:
    May 2014
    -
    Apr 2020
    Principal Investigator
  • "Advancing Islet Transplant for Type 1 Diabetes Care"
    Sponsor:
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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
    -
    Jun 2012
    Principal Investigator
Data provided by UCSF Profiles, powered by CTSI
MOST RECENT PUBLICATIONS FROM A TOTAL OF 103
Data provided by UCSF Profiles, powered by CTSI
  1. Witkowski P, Odorico J, Pyda J, Anteby R, Stratta RJ, Schrope BA, Hardy MA, Buse J, Leventhal JR, Cui W, Hussein S, Niederhaus S, Gaglia J, Desai CS, Wijkstrom M, Kandeel F, Bachul PJ, Becker YT, Wang LJ, Robertson RP, Olaitan OK, Kozlowski T, Abrams PL, Josephson MA, Andreoni KA, Harland RC, Kandaswamy R, Posselt AM, Szot GL, Ricordi C, On Behalf Of The Islets For Us Collaborative . Arguments against the Requirement of a Biological License Application for Human Pancreatic Islets: The Position Statement of the Islets for US Collaborative Presented during the FDA Advisory Committee Meeting. J Clin Med. 2021 Jun 29; 10(13). View in PubMed
  2. Witkowski P, Wijkstrom M, Bachul P, Morgan KA, Levy M, Onaca N, Chaidarun SS, Gardner T, Shapiro AMJ, Posselt A, Ahmad SA, Daffonchio L, Ruffini PA, Bellin MD. Targeting CXCR1/2 in the first multicenter, double-blinded, randomized trial in autologous islet transplant recipients. Am J Transplant. 2021 May 25. View in PubMed
  3. Sharpton SR, Terrault NA, Tavakol MM, Posselt AM. Sleeve gastrectomy prior to liver transplantation is superior to medical weight loss in reducing post-transplant metabolic complications. Am J Transplant. 2021 Mar 29. View in PubMed
  4. Desai CS, Szempruch KR, Vonderau JS, Chetboun M, Pattou F, Coates T, De Paep DL, Hawthorne WJ, Khan KM, de Koning EJP, Naziruddin B, Posselt A, Schrope BA, Wijkstrom M, Witkowski P, Shapiro AMJ. Anticoagulation practices in total pancreatectomy with autologous islet cell transplant patients: an international survey of clinical programs. Transpl Int. 2021 03; 34(3):593-595. View in PubMed
  5. Vasu S, Yang JM, Hodges J, Abu-El-Haija MA, Adams DB, Balamurugan AN, Beilman GJ, Chinnakotla S, Conwell DL, Freeman ML, Gardner TB, Hatipoglu B, Kirchner V, Lara LF, Morgan KA, Nathan JD, Posselt A, Pruett TL, Schwarzenberg SJ, Singh VK, Wijkstrom M, Witkowski P, Naziruddin B, Bellin MD. Circulating miRNA in Patients Undergoing Total Pancreatectomy and Islet Autotransplantation. Cell Transplant. 2021 Jan-Dec; 30:963689721999330. View in PubMed
  6. View All Publications
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