Paul Rufo

Paul A. Rufo, MD, MMSc

Attending Physician; Director, Harvard Fellowship in Pediatric Gastroenterology

Assistant Professor of Pediatrics, Harvard Medical School

    Contact: 617-355-6058
  • Fax: 617-730-0494

Medical Services


  • Crohns Disease
  • Diarrheal Diseases
  • Inflammatory Bowel Disease
  • Ulcerative Colitis


  • Gastroenterology, Hepatology and Nutrition


  • English


  • Inflammatory Bowel Disease Center
To schedule an appointment: Call 617-355-6058 or Request an Appointment

Experience and Education



Harvard College, 1985

Boston, MA

Medical School

University of Massachusetts Medical School, 1990

Worcester, MA


Johns Hopkins Hospital, 1990-1991

Baltimore, MD


Johns Hopkins Hospital, 1991-1993

Baltimore, MD

Fellowship, Pediatric Gastroenterology

Boston Children's Hospital, 1994

Boston, MA

Fellowship, Completed Post-Doctoral in Cell Biology

Boston Children's Hospital, 1996

Boston, MA

Fellowship, Completed Pfizer Fellowship in Clinical Investigation

Beth Israel Deaconess Medical Center, 2002

Boston, MA


  • American Board of Pediatrics, Pediatric Gastroenterology

Professional History

Assistant Professor of Pediatrics at HMS.  I also serve as Program Director for the HMS Fellowship in Pediatric Gastroenterology and Nutrition.


Development of novel treatments and diagnostic tools for the treatment of secretory or inflammatory intestinal diseases
Development of more novel approaches to the assessment and treatment of inflammatory bowel disease in children and adults.


Publications powered by Harvard Catalyst Profiles
  1. Boyle B, Collins MH, Wang Z, Mack D, Griffiths A, Sauer C, Markowitz J, LeLeiko N, Keljo D, Rosh J, Baker SS, Pfefferkorn M, Heyman M, Patel A, Baldassano R, Noe J, Rufo P, Kugathasan S, Walters T, Denson L, Hyams J. Histologic Correlates of Clinical and Endoscopic Severity in Children Newly Diagnosed With Ulcerative Colitis. Am J Surg Pathol. 2017 Nov; 41(11):1491-1498.
  2. Shouval DS, Rufo PA. The Role of Environmental Factors in the Pathogenesis of Inflammatory Bowel Diseases: A Review. JAMA Pediatr. 2017 Oct 01; 171(10):999-1005.
  3. Tan WH, Bird LM, Sadhwani A, Barbieri-Welge RL, Skinner SA, Horowitz LT, Bacino CA, Noll LM, Fu C, Hundley RJ, Wink LK, Erickson CA, Barnes GN, Slavotinek A, Jeremy R, Rotenberg A, Kothare SV, Olson HE, Poduri A, Nespeca MP, Chu HC, Willen JM, Haas KF, Weeber EJ, Rufo PA. A randomized controlled trial of levodopa in patients with Angelman syndrome. Am J Med Genet A. 2017 Sep 25.
  4. Hyams JS, Davis S, Mack DR, Boyle B, Griffiths AM, LeLeiko NS, Sauer CG, Keljo DJ, Markowitz J, Baker SS, Rosh J, Baldassano RN, Patel A, Pfefferkorn M, Otley A, Heyman M, Noe J, Oliva-Hemker M, Rufo P, Strople J, Ziring D, Guthery SL, Sudel B, Benkov K, Wali P, Moulton D, Evans J, Kappelman MD, Marquis A, Sylvester FA, Collins MH, Venkateswaran S, Dubinsky M, Tangpricha V, Spada KL, Britt A, Saul B, Gotman N, Wang J, Serrano J, Kugathasan S, Walters T, Denson LA. Factors associated with early outcomes following standardised therapy in children with ulcerative colitis (PROTECT): a multicentre inception cohort study. Lancet Gastroenterol Hepatol. 2017 Dec; 2(12):855-868.
  5. Kerur B, Litman HJ, Stern JB, Weber S, Lightdale JR, Rufo PA, Bousvaros A. Correlation of endoscopic disease severity with pediatric ulcerative colitis activity index score in children and young adults with ulcerative colitis. World J Gastroenterol. 2017 May 14; 23(18):3322-3329.
  6. Tang V, Valim C, Moman R, Richman A, Zhou J, Ramgopal V, Albert R, Boone JH, Rufo PA. Assessment of Fecal ASCA Measurement as a Biomarker of Crohn Disease in Pediatric Patients. J Pediatr Gastroenterol Nutr. 2017 Feb; 64(2):248-253.
  7. Levy S, Dedeoglu F, Gaffin JM, Garvey KC, Harstad E, MacGinnitie A, Rufo PA, Huang Q, Ziemnik RE, Wisk LE, Weitzman ER. A Screening Tool for Assessing Alcohol Use Risk among Medically Vulnerable Youth. PLoS One. 2016; 11(5):e0156240.
  8. Rufo PA, Egberg MD. Health Care Maintenance in Adolescents with Inflammatory Bowel Disease. Adolesc Med State Art Rev. 2016; 27(1):177-92.
  9. Lexmond WS, Rufo PA, Fiebiger E, Lencer WI. Electrophysiological Studies into the Safety of the Anti-diarrheal Drug Clotrimazole during Oral Rehydration Therapy. PLoS Negl Trop Dis. 2015 Sep; 9(9):e0004098.
  10. Rufo PA. Inflammatory bowel disease and neoplasia in children. Dig Dis. 2014; 32(4):455-62.
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  12. Leichtner AM, Gillis LA, Gupta S, Heubi J, Kay M, Narkewicz MR, Rider EA, Rufo PA, Sferra TJ, Teitelbaum J. NASPGHAN guidelines for training in pediatric gastroenterology. J Pediatr Gastroenterol Nutr. 2013 Jan; 56 Suppl 1:S1-8.
  13. Rufo PA, Denson LA, Sylvester FA, Szigethy E, Sathya P, Lu Y, Wahbeh GT, Sena LM, Faubion WA. Health supervision in the management of children and adolescents with IBD: NASPGHAN recommendations. J Pediatr Gastroenterol Nutr. 2012 Jul; 55(1):93-108.
  14. Salvestrini C, McGrath JA, Ozoemena L, Husain K, Buhamrah E, Sabery N, Leichtner A, Rufo PA, Perez-Atayde A, Orteu CH, Torrente F, Heuschkel RB, Thomson MA, Murch SH. Desquamative enteropathy and pyloric atresia without skin disease caused by a novel intracellular beta4 integrin mutation. J Pediatr Gastroenterol Nutr. 2008 Nov; 47(5):585-91.
  15. Manfredi MA, Zurakowski D, Rufo PA, Walker TR, Fox VL, Moses MA. Increased incidence of urinary matrix metalloproteinases as predictors of disease in pediatric patients with inflammatory bowel disease. Inflamm Bowel Dis. 2008 Aug; 14(8):1091-6.
  16. Davis MK, Rufo PA, Polyak SF, Weinstein DA. Adalimumab for the treatment of Crohn-like colitis and enteritis in glycogen storage disease type Ib. J Inherit Metab Dis. 2008 Dec; 31 Suppl 3:505-9.
  17. Davis, MK Rufo, PA Polyak, SF Weinstein, DA. Adalimumab for the treatment of Crohn-like colitis and enteritis in glycogen storage disease type Ib. Journal of Inherited Metababolic Disease. 2008; [Epub ahead of print] .
  18. Rufo PA, Bousvaros A. Challenges and progress in pediatric inflammatory bowel disease. Curr Opin Gastroenterol. 2007 Jul; 23(4):406-12.
  19. Walker TR, Land ML, Kartashov A, Saslowsky TM, Lyerly DM, Boone JH, Rufo PA. Fecal lactoferrin is a sensitive and specific marker of disease activity in children and young adults with inflammatory bowel disease. J Pediatr Gastroenterol Nutr. 2007 Apr; 44(4):414-22.
  20. Fishman DS, Manfredi MA, LaBelle JL, Levine JE, Shamberger RC, Rufo PA. Pancreatitis as the initial manifestation of stage IV neuroblastoma. J Pediatr Gastroenterol Nutr. 2007 Jan; 44(1):146-8.
  21. Hait E, Rufo PA. Why good pouches go bad. Inflamm Bowel Dis. 2007 Jan; 13(1):116-7.
  22. Fishman DS, Manfredi M, LaBelle J, Levine J, Shamberger RS, Rufo PA. Pancreatitis as the intitial manifestation of Stage IV Neuroblastoma - A Case Report. Journal of Pediatric Gastroenterology Hepatology and Nutrition. 2007; 44(1):146-148.
  23. Rufo PA, Bousvaros A. Current therapy of inflammatory bowel disease in children. Paediatr Drugs. 2006; 8(5):279-302.
  24. Rufo, PA, Bousvaros, AB. Current Therapy of Inflammatory Bowel Disease in Children . Pediatric Drugs. 2006; 8(5):279-302.
  25. Vivian Tang, Thomas R. Walker, Tracee Saslowsky, Kimberly Ong, Lori Rosenberg, James Boone, Krista Tygrett, Paul A. Rufo . Fecal ASCA Measurements in the Assessment of Pediatric Patients with Crohn’s Disease (CD) or Suspected Inflammatory Bowel Disease (IBD). American College of Gastroenterology (Las Vegas, NV). 2006.
  26. Kugathasan S, Dubinsky MC, Keljo D, Moyer MS, Rufo PA, Wyllie R, Zachos M, Hyams J. Severe colitis in children. J Pediatr Gastroenterol Nutr. 2005 Oct; 41(4):375-85.
  27. Rufo PA. IBD in children: the more you look, the more you see.... Inflamm Bowel Dis. 2004 May; 10(3):327-8.
  28. Thomas R Walker, Michelle L. Land, Tracee M. Cook, William Sandborn, Therese Johnson, James Boone, David Lyerly, Paul A. Rufo. Serial Fecal Lactoferrin Measurements are Useful in the Interval Assessment of Patients with Active and Inactive Inflammatory Bowel Disease. Digestive Disease Week - American Gastroenterological Association. 2004.
  29. Rufo, P.A. Lencer, W.I. Anti-inflammatory Activities Displayed by Triphenyl and Imidazole Containing Compounds. 2004.
  30. James Boone, Darcy Whitlock, Daniel Sisco, Thomas Walker, Paul Rufo . The Detection of Lactoferrin, ASCA and ANCA in Feces is useful for Assessing Pediatric IBD Patients. Digestive Disease Week - American Gastroenterological Association. 2004.
  31. Rudolph, J.A and Rufo, P.A. Diarrhea – Pediatric. The Encyclopedia of Gastroenterology. 2004; 1:585-593.
  32. Rufo PA, Lin PW, Andrade A, Jiang L, Rameh L, Flexner C, Alper SL, Lencer WI. Diarrhea-associated HIV-1 APIs potentiate muscarinic activation of Cl- secretion by T84 cells via prolongation of cytosolic Ca2+ signaling. Am J Physiol Cell Physiol. 2004 May; 286(5):C998-C1008.
  33. Kane SV, Sandborn WJ, Rufo PA, Zholudev A, Boone J, Lyerly D, Camilleri M, Hanauer SB. Fecal lactoferrin is a sensitive and specific marker in identifying intestinal inflammation. Am J Gastroenterol. 2003 Jun; 98(6):1309-14.
  34. Lencer, W.I Alper, S.A. Lin, P. Rufo, P.A. Enhancement of intracellular Ca Signaling and Chloride Transport by Nelfinavir and Other Aspartyl Protease inhibitors. 2003.
  35. Rufo, P.A. Pouchitis: Evolution of a New Form of Inflammatory Bowel Disease. Diarrhea Digest. 2000.
  36. Rufo PA, Merlin D, Riegler M, Ferguson-Maltzman MH, Dickinson BL, Brugnara C, Alper SL, Lencer WI. The antifungal antibiotic, clotrimazole, inhibits chloride secretion by human intestinal T84 cells via blockade of distinct basolateral K+ conductances. Demonstration of efficacy in intact rabbit colon and in an in vivo mouse model of cholera. J Clin Invest. 1997 Dec 15; 100(12):3111-20.
  37. Lencer WI, Constable C, Moe S, Rufo PA, Wolf A, Jobling MG, Ruston SP, Madara JL, Holmes RK, Hirst TR. Proteolytic activation of cholera toxin and Escherichia coli labile toxin by entry into host epithelial cells. Signal transduction by a protease-resistant toxin variant. J Biol Chem. 1997 Jun 13; 272(24):15562-8.
  38. Lencer, W.I., Constable, C., Moe, S., Rufo, P.A., Wolf, A. Jobling, M.G. Webb, H.M., Ruston, S., Madara, J.L., Holmes, R.K. Proteolytic Activation of cholera toxin by Eschericia coli labile toxin by entry into host epithelial cells: signal transduction by a proteolytic resistant toxin variant. J. Biol. Chem. 1997; 272:15562-15568.
  39. Rufo PA, Jiang L, Moe SJ, Brugnara C, Alper SL, Lencer WI. The antifungal antibiotic, clotrimazole, inhibits Cl- secretion by polarized monolayers of human colonic epithelial cells. J Clin Invest. 1996 Nov 01; 98(9):2066-75.
  40. Lencer WI, Moe S, Rufo PA, Madara JL. Transcytosis of cholera toxin subunits across model human intestinal epithelia. Proc Natl Acad Sci U S A. 1995 Oct 24; 92(22):10094-8.
  41. Rufo, P.A. Pulmonology. The Harriet Lane Handbook, K.B. Johnson e.d. 1994; 80-94.
  42. Hauser ST, Paul EL, Jacobson AM, Weiss-Perry B, Vieyra MA, Rufo P, Spetter LD, DiPlacido J, Wertlieb D, Wolfsdorf J, et al. How families cope with diabetes in adolescence. An approach and case analyses. Pediatrician. 1988; 15(1-2):80-94.
To schedule an appointment: Call 617-355-6058 or Request an Appointment


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