Clinical Trials

Please contact the Clinical Research Coordinator at (617) 636-4941 for more information about these trials. These trials take place at Tufts Medical Center, 800 Washington Street, Boston, MA 02111.

Funding Agent Title Status
National Institute of Health (NIH) A Prospective, Multicenter Study to Compare and Validate Endoscopic, Histologic, Molecular, and Patient-Reported Outcomes in Pediatric and Adult Patients with Eosinophilic Esophagitis (EoE), Gastritis (EG) and Colitis (EC) Recruiting
National Institute of Health (NIH) Six Food vs One Food Eosinophilic Esophagitis Elimination Diet (SOFEED) followed by Swallowed Glucocorticoid Trial Recruiting
PCORI Eosinophilic Esophagitis (EoE) Intervention Trial-Randomized 1 Food Elimination vs. 4 Food Elimination Diet followed by Swallowed Glucocorticoids Recruiting
Merck Sharp & Dohme Corp A Phase III, Randomized, Placebo-Controlled Clinical Trial to Study the Efficacy and Safety of MK-3641, a Ragweed (Ambrosia artemisiifolia) Sublingual Immunotherapy Tablet, in Children With a History of Ragweed-Induced Rhinoconjunctivitis With or Without Asthma Recruiting
University Hospital Inselspital, Berne Development, Validation and Evaluation of an Adult and Pediatric Eosinophilic Esophagitis Activity Index Recruiting
Tufts Medical Center Decreasing asthma-related healthcare cost through tele-asthma management Recruiting
Shire Inc. Oral Budesonide Suspension (OBS) in Adolescent and Adult Subjects
(11 to 55 Years of Age, Inclusive) with Eosinophilic Esophagitis:
A Phase 3 Randomized, Double-blind, Placebo-controlled Study
Recruiting
ORA Inc. An Exploratory Pilot Study Evaluating Various Diagnostic Measurements Taken During and Escalating Dose Pral Food Challenge to Patient Response Recruiting

Publications

  1. Dellon ES, Collins MH, Bonis PA, Leung J, Capocelli KE, Dohil R, Falk GW, Furuta GT, Menard-Katcher C, Gupta SK, Hirano I, Hiremath GS, Kagalwalla AF, Wershil BK, Liacouras CA, Muir AB, Mukkada VA, Putnam PE, Schoepfer AM, Straumann A, Wo JM, Yang GY, Rothenberg ME, Gonsalves N. Substantial Variability in Biopsy Practice Patterns Among Gastroenterologists for Suspected Eosinophilic Gastrointestinal Disorders. Clin. Gastroenterol. Hepatol. 2016;14:1842–1844
  2. Kliewer KL, Venter C, Cassin AM, Abonia JP, Aceves SS, Bonis PA, Dellon ES, Falk GW, Furuta GT, Gonsalves N, Gupta SK, Hirano I, Kagalwalla A, Leung J, Mukkada VA, Spergel JM, Rothenberg M. Should wheat, barley, rye and/or gluten be avoided in a six food elimination diet? J. Allergy Clin. Immunol. 2016;137:1011–1014.
  3. Leung J, Beukema KR, Shen AH: Allergic Mechanisms of Eosinophilic Oesophagitis. Best Pract Res Clin Gastroenterol. 2015 Oct;29(5):709-20
  4. Kliewer KL, Venter C, Cassin AM, Abonia JP, Aceves SS, Bonis PA, Dellon ES, Falk GW, Furuta GT, Gonsalves N, Gupta SK, Hirano I, Kagalwalla A, Leung J, Mukkada VA, Spergel JM, Rothenberg M. Should wheat, barley, rye and/or gluten be avoided in a six food elimination diet? J. Allergy Clin. Immunol. 2015.
  5. Safroneeva E, Coslovsky M, Kuehni CE, Zwahlen M, Haas NA, Panczak R, Taft T, Hirano I, Dellon ES, Gonsalves N, Leung J, Bussmann C, Woosley JT, Yan P, Romero Y, Furuta G, Gupta S, Aceves S, Chehade M, Straumann A, Schoepfer AM. Eosinophilic oesophagitis: relationship between quality of life and clinical, endoscopic, and histologic activity. Aliment Pharm Ther. 2015.
  6. Schoepfer AM, Panczak R, Zwahlen M, Kuehni CE, Coslovsky M, Maurer E, Haas NA, Alexander JA, Dellon ES, Gonsalves N, Hirano I, Leung J, Bussmann C, Collins MH, Newbury RO, De Petris G, Smyrk TC, Woosley JT, Yan P, Yang GY, Romero Y, Katzka DA, Furuta GT, Gupta SK, Aceves SS, Chehade M, Blanchard C, Straumann A, Safroneeva E ;International EEsAI Study Group. How Do Gastroenterologists Assess Overall Activity of Eosinophilic Esophagitis in Adult Patients? Am. J. Gastroenterol. 2015.
  7. Schoepfer AM, Straumann A, Panczak R, Kuehni CE, Romero Y, Maurer E, Alexander JA, Hirano I, Gonsalves N, MD, Furuta GT, Dellon ES, Leung J, Moawad FJ, Collins MH, Bussmann C,  Netzer P, Zwahlen M, Safroneeva E. International EEsAI Study Group. Development and validation of a symptom-based activity index for adults with eosinophilic esophagitis.   Gastroenterology 2014: 147(6): 1255–1266.e21
  8. Kang D, Schlachter SC, Carruth RW, Kim M, Wu T, Tabatabaei N, Vacas-Jacques P, Shishkov M, Woods K, Sauk JS, Leung J, Nishioka NS, Tearney GJ. Comprehensive confocal endomicroscopy of the esophagus in vivo. Endosc Int. Open 2014 Jul 16;2(03):E135–40
  9. Tabatabaei N, Kang D, Wu T, Kim M, Carruth RW, Leung J, Sauk JS, Shreffler W, Yuan Q, Katz A, Nishioka NS, Tearney GJ. Tethered confocal endomicroscopy capsule for diagnosis and monitoring of eosinophilic esophagitis. Biomed. Opt. Express 2013;5:197–207
  10. Leung JKatz AJ, Shreffler WG, Yuan Q, Hundal N, Butterworth CA. Tolerance of Baked Milk in Patients with Cow's Milk-mediated Eosinophilic EsophagitisJ Allergy Clin Immunol.2013;132:1215–1216.e1.
  11. Leung J, Guyer A, Banerji A. IgE-mediated hypersensitivity to ondansetron and safe use of palonosetron. J Allergy Clin Immuno. Pr. 2013: 1(5); 536-537
  12. Islam SA, Ling MF, Leung J, Shreffler WG, Luster AD. Identification of human CCR8 as a CCL18 receptor. J Exp Med. 2013 Sep 23;210(10):1889-98
  13. Leung J, Nguyen-Traxler A, Lee EM, Yip JS, Weinstock JV, Chan WW, Ngo P, Weinstein, BJ, Bonis PA. Assessment of fractionated exhaled nitric oxide as a biomarker for the treatment of eosinophilic esophagitis. Allergy Asthma Proc201233(6): 519-24.
  14. Blum AM, Hang L, Setiawan T, Urban JP Jr, Stoyanoff KM, Leung J, Weinstock JV. Heligmosomoides polygyrus bakeri Induces Tolerogenic Dendritic Cells that Block Colitis and Prevent Antigen-Specific Gut T Cell Responses. J. Immunol. 2012 Sep 1; 189 (5):2512-20.
  15. Leung J, Hang L, Blum A, Setiawan T, Stoyanoff K, Weinstock JV. Heligmosomoides Polygyrus Abrogates Antigen-Specific Gut Injury in a Murine Model of Inflammatory Bowel Disease. Inflamm. Bowel Dis. 2012; 18:1447–1455.
  16. Levy AN, Rahaman SM, Bonis PA, Javid G, Leung JHiccups as a Presenting Symptom of Eosinophilic Esophagitis. Case Reports in Gastroenterology 2012; 6:340-343.
  17. Leung J, Bonis PA, Kaplan MM. Colchicine Plus Ursodiol Versus Methotrexate Plus Ursodiol in the Treatment of Primary Biliary Cirrhosis: Twenty-Year Follow-Up. Clin Gastroenterol Hepatol. 2011;9(9):776-780.
  18. Bonder A, Retana A, Winston DM, Leung J, Kaplan MM. Prevalence of primary biliary cirrhosis-autoimmune hepatitis overlap syndrome. Clin Gastroenterol Hepatol. 2011;9(7):609-612.
  19. Leung J, Dowling L, Obadan I, Davis J, Bonis PA, Kaplan MM, Casey D, Viveiros K. Risk of Non-Melanoma Skin Cancer in Autoimmune Hepatitis. Dig Dis Sci. 2010;55(11):3218-3223.
  20. Beinborn M, Blum A, Hang L, Setiawan T, Schroeder JC, Leung J, Weinstock JV. TGF-β regulates T-cell neurokinin-1 receptor internalization and function. Proc Natl Acad Sci U S A. 2010;107(9):4293-4298.
  21. Leung, J, Sasson M, Patel SR, Viveiros K. Clostridium cadaveris intra-peritoneal abscess. Am J Gastroenterol. 2009 Oct;104(10):2635-6
  22. Leung J, Silverman W. Diagnostic and Therapeutic Approach to Pancreatic Cancer-Associated Gastroparesis: Literature Review and Our Experience. Dig Dis Sci. 2009 Feb;54(2):401-5.
  23. Leung J, Patel S, Lang TU, Vozick J, Hadley S, Weinstein B, Olans L. Bleeding colonic ulcers due to invasive mold infection. Am J Gastroenterol2008 Nov;103(11):2960-1.
  24. Elliott DE, Metwali A, Leung J, Setiawan T, Blum AM, Ince MN, Bazzone LE, Stadecker MJ, Urban JF Jr, Weinstock JV. Colonization with helminths suppresses mucosal IL17 production. J. Immunol. 2008 Aug 15;181(4):2414-9
  25. Higgins PD, Leung J, Schwartz M, Mapili J, Wren PA, Zimmermann EM. The quantitative validation of non-endoscopic disease activity indices in ulcerative colitis. Aliment Pharmacol Ther. 2007 Feb 1;25(3):333-42.
  26. Higgins PD, Mapili J, Krokos I, Schwartz M, Leung J, Zimmermann EM. Patient-defined dichotomous endpoints for remission and for clinical information in Ulcerative Colitis. Gut. 2005 Jun; 54(6):782-8.
  27. Xie L, Metallo C, Warren J, Pilbrough W, Peitier J, Zhong T, Pikus L, Amanda Y, Leung J, Aunins J, Zhou W. Large-scale propagation of a replication-defective adenovirus vector in stirred-tank bioreactor PER.C6 cell culture under sparging conditions. Biotechnology and Bioengineering. 2003 Jul, 83(1): 43-52.
  28. Xie L, Pilbrough W, Metallo C, Zhong T, Pikus L, Leung J, Aunins J, Zhou W.  Serum-free Suspension Cultivation of PER.C6 Cells and Recombinant Adenovirus Production under Different pH Conditions. Biotechnology and Bioengineering. 2002 Dec, 80(5): 569-579.
  29. Goerke A, Leung J, Wickramasinghe SR. Mass and momentum transfer in blood oxygenators.  Chemical Engineering Science. 2002 Jun, 57: 2035-2046.
  1. Keo T, Leung J, Weinstock JVParasitic diseases: Helminthic Infections of the Gastrointestinal Tract and Liver In: Textbook of Gastroenterology 6th Edition, Volume TwoPodolsky DK, Camilleri M, Fitz JG, Kalloo AN, Shanahan F, Wang TC (Eds), John Wiley & Sons, Malden, MA 02148: 2337-2377.
  2. Leung J, Crowe SE: Food allergy and food intolerance. In: Nutritional Care of the Patient with Gastrointestinal DiseaseBuckman A (Ed), Taylor & Francis Group LLC, Boca Raton, FL, 2015: 63-88.
  3. Leung J, Crowe SE: Food allergies. In The Health Professional’s Guide to Gastrointestinal Nutrition. Mullin G, Matarese L (Eds), Academy of Nutrition and Dietetics, Chicago, IL, 2014.
  4. Leung, J., Crowe S.E: Food Allergy and Food Intolerance. In: World Review of Nutrition and Dietetics. Bier DM, Mann J, Alpers DH (Eds),  Karger AG- Medical and Scientific Publishers, Basel, Switzerland2014(111):76–81.
  5. Keo T, Leung J, Weinstock JVHelminthic Infections of the Gastrointestinal Tract and Liver In: Atlas of Gastroenterology 5th EditionPodolsky DK, Camilleri M, Fitz JG, Kalloo AN, Shanahan F, Wang TC (Eds), John Wiley & Sons, Malden, MA 02148: 524-543.
  6. Leung J, Weinstock JV:  Worms – light at the end of their burrow? In: Clinical Dilemmas in Inflammatory Bowel Disease: New Challenges, 2nd Edition. Irving P, Siegel C, Rampton D, Shanahan F (Eds), Wiley Blackwell Publications, Malden, MA, 20148, 2011.
  7. Leung J, S Crowe SE: Food intolerance and food allergy. In: The Gastrointestinal and Liver Disease Nutrition Desk Reference, Mullin GE, Matarese L, Palmer M (Eds), Taylor & Francis Group LLC, Boca Raton, FL, 2011:65-80.
  8. Leung J, O’Rourke RW, Hunter JG, et al. Barrett’s Esophagus with High-Grade Dysplasia. In: MD CEHS-C, ed. The SAGES Manual of Strategic Decision Making . Springer New York; 2008:141–154.
  1. Beukema KR, Leung J, Virkud Y, Shen AH, Patil SU, Ramakrishna J, Schreffler WG. Patients from low-income families referred for oral food challenge were more likely to pass. AAAAI Annual Meeting, Los Angeles, CA, 2016.
  2. Safroneeva E, Chehade M, Gupta SK, Kuehni CE, Zwahlen M, Coslovsky M, Haas NA, Hirano I, Bussman C, Romero Y, Leung J, Newbury R, Panczak R. Caregiver-assessed EoE activity in children between 3-9 years of age poorly correlates with physician global assessment, endoscopic or histologic activity. Digestive Disease Week, San Diego, CA, 2016.
  3. Schoepfer AM, Safroneeva E, Hirano I, Coslovsky M, Kuehni CE, Zwahlen M, Haas NA, Panczak R, Dellon ES, Gonsalves N, Leung J, Bussmann C, Romero Y, Alexander JA, Furuta GT, Gupta SK, Aceves SS, Chehade M, Spergel JM, Straumann A. Development and validation of an endoscopy-based activity index for adults with eosinophilic esophagitis. Digestive Disease Week, San Diego, CA, 2016.
  4. Safroneeva E, Limacher A, Chehade M, Gupta SK, Furuta GT, Kuehni C, Zwahlen M, Trelle S, Alexander J, Coslovsky M, Dellon ES, Gonsalves N, Haas N, Hirano I, Leung J, Bussman C, Collins MH, Newbury R, Panczak R, Smyrk T, Romero Y, Katzka D, Aceves S, Spergel J, Straumann A, Schoepfer A. Parent-assessed EoE activity in children aged 3-9 years does not correlate with physician global assessment, endoscopic and histologic activity. Digestive Disease Week, San Diego, CA, 2016.
  5. Dellon ES, Collins MH, Bonis PA, Capocelli K, Dohil R, Falk GW, Furuta GT, Gupta SK, Hirano I, Hiremath GS, Kagalwalla AF, Leung J, Liacouras CA, Menard-Katcher CD, Muir AB, Mukkada VA, Putnum PE, Schoepfer AM, Straumann A, Wershil BK, Wu JM, Yang GY, Rothenberg ME, Gonsalves N. Substantial variability in biopsy practice patterns among gastroenterologists for suspected eosinophilic gastrointestinal disorders (EGID). Digestive Disease Week, San Diego, CA, 2016.
  6. Schoepfer AM, Panczak R, Zwahlen M, Kuehni CE, Coslovsky M, Maurer E, Haas NA, Alexander JA, Dellon ES, Gonsalves N, Hirano I, Leung J, Bussmann C, Collins MH, Newbury RO, De Petris G, Smyrk TC, Woosley JT, Yan P, Yang GY, Romero Y, Katzka DA, Furuta GT, Gupta SK, Aceves SS, Chehade M, Blanchard C, Straumann A, Safroneeva E. How Do Gastroenterologists Assess Overall Activity of Eosinophilic Esophagitis? Digestive Disease Week, Washington, DC. 2015.
  7. Safroneeva E, Coslovsky M, Panczak R, Zwahlen M, Kueni C, Haas N, Alexander JA, Dellon ES, Gonsalves N, Hirano I, Leung J, Bussman C, Collins MH, Newbury R, DePetris G, Smyrk TC, Woosley JT, Yan gGY, Romero Y, Katzka DA, Furuta G, Gupta SK, Aceves S, Chehade M, Straumann A, Schoepfer A. Predicting endoscopic and histologic remission in adult patients with Eosinophilic Esophagitis using the EEsAI PRO score. Digestive Disease Week, Washington, DC. 2015.
  8. Safroneeva E, Coslovsky M, Kuehni C, Panczak R, Zwahlen M, Haas N, Taft T, Dellon ES, Gonsalves N, Hirano I, Leung J, Bussman C, Woosley JT, Yan P, Yang GY, Romero Y, Furuta G, Gupta SK, Aceves S, Chehade M, Straumann A, Schoepfer A.Relationship of Quality of Life with Symptom Severity, Endoscopy, and Histology in Adults with Eosinophilic Esophagitis. Digestive Disease Week, Washington, DC. 2015.
  9. Swenson T, Hundal NV, Chapin C, Elliot C, Leung J, Katz A, Hesterberg P, Shreffler W, Yuan Q. Quality of life for children with eosinophilic esophagitis: a comparisonof patients’ and parents’ perceptions and associated factors using thePedsQL™ 3.0 Eosinophilic Esophagitis Module. Food Allergy and Anaphylaxis Meeting, Dublin, Ireland, 2014.
  10. Schoepfer AM, Straumann A, Panczak R, Kuehni CE, Romero Y, Maurer E, Alexander JA, Hirano I, Gonsalves N, MD, Furuta GT, Dellon ES, Leung J, Moawad FJ, Collins MH, Bussmann C,  Netzer P, Gupta S, Chehade M, Moawad F, Aceves S, Wo J, Zwahlen M, Safroneeva E. Development of an endoscopy- and histology-based activity index for eosinophilic esophagitis. UEG Week, Vienna, Austria, 2014.
  11. Schoepfer AM, Straumann A, Panczak R, Kuehni CE, Romero Y, Maurer E, Alexander JA, Hirano I, Gonsalves N, MD, Furuta GT, Dellon ES, Leung J, Moawad FJ, Collins MH, Bussmann C,  Netzer P, Gupta S, Chehade M, Moawad F, Aceves S, Wo J, Zwahlen M, Safroneeva E. Development of a symptom-based activity index for eosinophilic esophagitis. UEG Week, Vienna, Austria, 2014.
  12. Mehrzad R, Katz AJ, Yuan Q, Hesterberg PE, Shreffler WG, Alejos AR, Fiore J, Leung J. Safety of Serial Endoscopies in Patients with Eosinophilic Esophagitis Undergoing Dietary Therapy: Our own experience and a literature review. Digestive Disease Week, Chicago, IL, 2014.
  13. Leung J, Mehrzad R, Alejos A, Hesterberg PE, Yuan Q, Hundal NV, Shreffler WG, Katz AJ. Clinical Outcomes of Rescue Treatment for Eosinophilic Esophagitis. Digestive Disease Week, Chicago, IL, 2014. 
  14. Schoepfer AM, Straumann A, Panczak R, Kuehni CE, Romero Y, Maurer E, Alexander JA, Hirano I, Gonsalves N, MD, Furuta GT, Dellon ES, Leung J, Moawad FJ, Collins MH, Bussmann C,  Netzer P, Zwahlen M, Safroneeva E. Endoscopic features and peak eosinophil count predict physician assessment of eosinophilic esophagitis severity. Digestive Disease Week, Chicago, IL, 2014.
  15. Schoepfer AM, Straumann A, Panczak R, Kuehni CE, Romero Y, Maurer E, Alexander JA, Hirano I, Gonsalves N, MD, Furuta GT, Dellon ES, Leung J, Moawad FJ, Collins MH, Bussmann C,  Netzer P, Zwahlen M, Safroneeva E. Dysphagia, behavioral changes, and thoracic pain predict adult patient-reported eosinophilic esophagitis severity. Digestive Disease Week, Chicago, IL, 2014.
  16. Ling, MF, Islam SA, Leung J, Shreffler WG, Luster AD. CCR8 is a Receptor for CCL18 on Human Th2 Cells. American Academy of Allergy & Immunology Annual Meeting, San Diego, CA, 2013.
  17. Mehrzad R, Leung J, Alejos A, Hundal N, Katz AJ, Yuan Q, Hesterberg PE, Shreffler WG. Serial diagnostic EGDs used to identify food trigger(s) in eosinophilic esophagitis are safe. American College of Gastroenterology Annual Scientific Meeting, San Deigo, CA, 2013.
  18. Hundal N, Leung J, Katz AJ,  Yuan Q, Iyengar RS, Permaul P, Walter J, Ramakrishna J, Swenson T,  Alejos AR, Hesterberg PE, Shreffler WG.  Differential expression of microRNA-203, microRNA-223 and microRNA-29b - may differentiate between disease and diet induced remission in patients with Eosinophilic Esophagitis. Digestive Disease Week, Orlando, FL, 2013.
  19. Tabatabaei N, Kang D, Leung J, Wu T, Carruth R, Shreffler WG, Katz AJ, Tearney GJ. Development of a Confocal Endomicroscopy Capsule for Diagnosis of Eosinophilic Esophagitis. Digestive Disease Week, Orlando, FL, 2013.
  20. Leung J, Katz AJ, Yuan Q, Iyengar SR, Permaul P, Walter JE, Ramakrishna JP, Hundal N, Swenson T, Alejos A, Shreffler WG, Hesterberg PE. Tolerance of Baked Milk in a Subset of Patients with Cow's Milk-mediated Eosinophilic Esophagitis. American Academy of Allergy & Immunology Annual Meeting, San Antonio, TX, 2013.
  21. Leung J, Wilson MT. Amoxicillin-induced Aseptic Meningitis with Neutrophilic Predominance. American Academy of Allergy & Immunology Annual Meeting, Orlando, FL, 2012.
  22. Javid G, Patel N, Weinstein B, Bonis PA, Leung J. Accurate identification and quantification of eosinophil granules on routine H&E slides from patients with active eosinophilic esophagitis using a semi-automated image processing system. American College of Gastroenterology Annual Scientific Meeting, Washington, DC, 2011.
  23. Levy, AN, Rahaman SM, Javid G, Bonis PA, Leung J. Eosinophilic esophagitis presenting as hiccups. American College of Gastroenterology Annual Scientific Meeting, Washington, DC, 2011.
  24. Leung J, Nguyen-Traxler A, Lee E, Yip J, Weinstock J, Poon P, Simon A, Ngo P, Fayanju L, Levy A, Bonis PA. Nitric oxide level as a surrogate biomarker for eosinophilic esophagitis. CTSI, Boston, MA, 2011
  25. Leung J, Blum A, Hang L, Setiawan T, Stoyanoff  K, Weinstock JV. Helminths abrogate antigen-specific gut inflammation in a novel murine model of non-IgE mediated food hypersensitivity. American Association of Immunologists, Baltimore, MD, 2010.
  26. Stoyanoff  K, Hang L, Blum A, Setiawan T, Leung J, Weinstock JV. Heligmosomoides Polygyrus infection induces functionally distinct FOXP3+IL-10+ and FOXP3+ IL-10- cell subsets in the laminar propria of mice. American Association of Immunologists, Baltimore, MD, 2010
  27. Leung J, Blum A, Hang L, Setiawan T, Stoyanoff K, Weinstock JV. A New Preclinical Mouse Model for Antigen-Specific Non-IgE Mediated Food Hypersensitivity. Digestive Disease Week, New Orleans, LA, 2010. POSTER OF DISTINCTION
  28. Leung J, Bonder A, Sasson M, Bonis PA, Kaplan MM. 19 year follow-up of patients in a double-blind trial of colchicine plus ursodiol versus methotrexate plus ursodiol in the treatment of primary biliary cirrhosis. Digestive Disease Week, New Orleans, LA, 2010.
  29. Leung J, Dowling L, Obadan I, Davis J, Bonis PA, Kaplan MM, Casey D, Viveiros K. Risk of Non-Melanoma Skin Cancer in Autoimmune Hepatitis. Digestive Disease Week, New Orleans, LA, 2010. Digestive Disease Week, New Orleans, LA, 2010.
  30. Biswas N, Leung J, Kaplan MM, Bonis PA, Patel R, Vozcik J, Guelrud M. Clinical experience of using choledochoscopy as a cholangiocarcinoma screening tool in patients with primary sclerosing cholangitis. American College of Gastroenterology Annual Scientific Meeting, San Diego, CA, 2009.
  31. Stoyanoff K, Blum A, Hang L, Setiawan T, Leung J, Weinstock JV. Regulation of T cell specific IL-10 production by non-IL-10 expressing T cell subset. American Association of Immunologists, Seattle, CA, 2009.
  32. Metwali A, Leung J, Ince N, Winckler S, Blum A, Setiawan T, Urban JF Jr, Weinstock J, Elliott D. IL 10 and IL 4 Synergize to Inhibit IL17 Production in Mice Colonized with the Intestinal Helminth Heligmosomoides Polygyrus. Digestive Disease Week, San Diego, CA, 2008.
  33. Patel SR, Diekema D, Leung J, Appelgate D, Winokur P, Stein DV, Boyken L, Kroeger J, Herwaldt L. The Epidemiology of Methicillin-resistant Staphylococcus aureus at a University Hospital in a Rural State. The Society for Healthcare Epidemiology of American, Baltimore, MD, 2007.
  34. Metwali A, Leung J, Ince M, Winkler S, Blum A, Setiawan T, Urban JF, Weinstock JV, Elliott D. Intestinal colonization with the helminth Heligmosomoides polygyrus abrogates IL17A production by mesenteric lymph node cells. Digestive Disease Week, Los Angeles, CA, 2006.
  35. Higgins PDR, Schwartz M, Krokos I, Leung J, Mapili J, Wren P, Zimmermann EM. The Crumbling Domain Structure of the Inflammatory Bowel Disease Questionnaire. Crohn's and Colitis Foundation National Meeting, Miami, FL, 2005.