Laura E (Harrell) Raffals MD

Associate Professor, Internal Medicine, Mayo Med Sch

200 1st St SwRochester, MN 55905
Phone+1 507-284-2511

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Education & Training

University of ChicagoM.S., Health Studies, 2003 - 2007
University of ChicagoFellowship, Gastroenterology, 2002 - 2005
Rush University Medical CenterResidency, Internal Medicine, 1998 - 2002
Indiana University School of MedicineClass of 1998
University of EvansvilleB.S., Biology, 1990 - 1994

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Certifications & Licensure

MN State Medical License 2011 - 2027
IL State Medical License 1998 - 2014
American Board of Internal Medicine Gastroenterology

Awards, Honors, & Recognition

CMS Meaningful Use Stage 2 Certification Mayo Clinic Patient Lists, Mayo Clinic, 2014-2017
CMS Meaningful Use Stage 2 Certification Centricity Enterprise (CE), GE Healthcare, 2014-2017
CMS Meaningful Use Stage 1 Certification Centricity Enterprise (CE), GE Healthcare, 2014-2017

Clinical Trials

Study of Sc-FOS for Pouchitis Prevention
COMPLETED
PHASE1
UC Cohort - The Influence of Diet on Gut Microbiotas Start of enrollment: 2021 Aug 03
COMPLETED
NA
Study to Assess Efficacy and Safety of Cx601, Adult Allogeneic Expanded Adipose-derived Stem Cells (eASC) for the Treatment of Complex Perianal Fistula(s) in Participants With Crohn's Disease (CD) Start of enrollment: 2017 Sep 15
COMPLETED
PHASE3
Roles: Principal Investigator

Publications & Presentations

PubMed

Continued concomitant antibiotic or immunosuppression therapies reduce the risk of pouchitis among patients with ileal pouch-anal anastomosis and primary sclerosing ch...
John P Haydek, Priscila Santiago, Joseph Carter Powers, Latchmin Ruplall, Hoang Anh Richardson
Crohn's & Colitis 360. 2026-07-01
Clinical outcomes in pregnancy after ileal pouch-anal anastomosis for ulcerative colitis.
June Tome, Mauricio Franco Jin, Taylor Williams, Raseen Tariq, Laura E Raffals
Inflammatory Bowel Diseases. 2026-07-01
Darvadstrocel in Patients With Crohn's Disease With Complex Perianal Fistulas: The ADMIRE CD II Phase 3 Randomized Trial.
Jean-Frédéric Colombel, Damian Garcia Olmo, Szu-Ta Chen, Zuzana Serclova, David A Schwartz
Gastroenterology. 2026-06-01

Journal Articles

Natural History of Established and De Novo Inflammatory Bowel Disease After Liver Transplantation for Primary Sclerosing Cholangitis
David H Bruining, Julie K Heimbach, Lisa Boardman, Laura E Raffals, Charles B Rosen, Sunanda V Kane, Kymberly D Watt, John J Poterucha, Inflammatory Bowel Diseases
De-Novo Inflammatory Bowel Disease After Bariatric Surgery: A Large Case Series
Fateh Bazerbachi, David H Bruining, Vladimir M Kushnir, Meera Shah, Matthew A Ciorba, Laura E Raffals, Parakkal Deepak, Journal of Crohn's and Colitis
Comparison of brush and biopsy sampling methods of the ileal pouch for assessment of mucosa-associated microbiota of human subjects
Huse1 SM, Young VB, Morrison HG, Antonopoulos DA, Kwon J, Dalal S, Arrieta R, Hubert NA, Shen L, Vineis JH, Koval JC, Sogin ML, Chang EB, Raffals LE, Microbiome, 2/1/2014

Books/Book Chapters

Irwin and Rippe's Textbook of Intensive Care Medicine
Chapter: Diarrhea.
Harrell LE, Change EBEdition 6th,2008
Conn's Current Therapy
Chapter: Malabsorption.
Harrell LE, Chang EBEditors: Rakel & Bope.WB Saunders CompanyEdition 58th,2006
Gastrointestinal and Liver Disease.
Chapter: Intestinal Water and Electrolyte Transport.
Harrell LE, Change EBEdition 8th,2006

Lectures

Looking Into the IBD Crystal Ball – Predicting the Course of Disease
AGC 2018 Annual Scientific Meeting, Philadelphia, PA - 10/9/2018
Optimizing IBD Management
AGC 2018 Annual Scientific Meeting, Philadelphia, PA - 10/9/2018
Nutrition and Digestion
Rochester, MN - 3/1/2014

Press Mentions

Inflammatory Bowel Disease Series: Microscopic ColitisJuly 8th, 2025
A Review: “Strategies for Faculty Development in Gastroenterology and Hepatology”May 31st, 2022
Expert Perspectives: When Should People Consider a J-pouch for Ulcerative Colitis?April 22nd, 2022