Research Topics
| R J FarrellSummaryAffiliation: Harvard University Country: USA Publications
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Publications
Virtual colonoscopy: a gastroenterologist's perspectiveR J Farrell
Department of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Mass, USA
Dig Dis 17:185-93. 1999..This article describes the technical considerations, current clinical status, limitations, and potential indications of this new and exciting technology which gastroenterologists should not fear but embrace...
Ulcerative colitisRichard J Farrell
Division of Gastroenterology, Center for Inflammatory Bowel Disease, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
Lancet 359:331-40. 2002..By contrast with Crohn's disease, there are few clinical data on biological agents. Probiotics seem the most promising of several experimental and traditional agents that have been investigated in controlled clinical trials...
Celiac sprueRichard J Farrell
Gastroenterology Division, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA 02215, USA
N Engl J Med 346:180-8. 2002
High multidrug resistance (P-glycoprotein 170) expression in inflammatory bowel disease patients who fail medical therapyR J Farrell
Sir Patrick Dun s Research Laboratory, Trinity College Dublin, St James s Hospital, Ireland
Gastroenterology 118:279-88. 2000..Inflammatory bowel disease (IBD) poorly responsive to medical therapy may relate to MDR expression because glucocorticoids are known Pgp-170 substrates...
Increased incidence of non-Hodgkin's lymphoma in inflammatory bowel disease patients on immunosuppressive therapy but overall risk is lowR J Farrell
Department of Clinical Medicine and Gastroenterology, St James s Hospital, Trinity College Dublin, Republic of Ireland
Gut 47:514-9. 2000..There is concern that the incidence of non-Hodgkin's lymphoma (NHL) will rise with increasing use of immunosuppressive therapy...
P-glycoprotein-170 inhibition significantly reduces cortisol and ciclosporin efflux from human intestinal epithelial cells and T lymphocytesR J Farrell
Department of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
Aliment Pharmacol Ther 16:1021-31. 2002..To assess the role of P-glycoprotein-170 (P-gp) in transporting cortisol and ciclosporin from human intestinal epithelium and T lymphocytes...
Intravenous hydrocortisone premedication reduces antibodies to infliximab in Crohn's disease: a randomized controlled trialRichard J Farrell
Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA
Gastroenterology 124:917-24. 2003..We assessed the relationship between antibodies to infliximab (ATI) and the loss of response postinfliximab, infusion reactions and, in a randomized trial, investigated whether intravenous hydrocortisone premedication can reduce ATI...
Microbial factors in inflammatory bowel diseaseRichard J Farrell
Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Dana 501, 330 Brookline Avenue, Boston, MA 02115, USA
Gastroenterol Clin North Am 31:41-62. 2002....
Glucocorticoid resistance in inflammatory bowel diseaseR J Farrell
Department of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
J Endocrinol 178:339-46. 2003..In addition, the impact of disease heterogeneity on glucocorticoid responsiveness and recent advances in IBD pharmacogenetics are discussed...
Utility of intravenously administered contrast material at CT colonographyM M Morrin
Departments of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Ave, Boston MA 02215, USA
Radiology 217:765-71. 2000....
Diagnosis of celiac sprueR J Farrell
Gastroenterology Division, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02215, USA
Am J Gastroenterol 96:3237-46. 2001..We review the wide spectrum of celiac sprue, its variable clinical manifestations, and the current approach to diagnosis...
Gastroenterological causes of pelvic painS Banerjee
Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
World J Urol 19:166-72. 2001..This article discusses the major gastroenterological causes of pelvic pain...
Potential impact of magnetic resonance cholangiopancreatography on endoscopic retrograde cholangiopancreatography workload and complication rate in patients referred because of abdominal painR J Farrell
Dept of Clinical Medicine, St James Hospital, Trinity College, Dublin, Ireland
Endoscopy 33:668-75. 2001..The aim was to assess the potential impact of MRCP on overall ERCP workload and patient outcome if MRCP were the primary investigation in patients referred for ERCP because of abdominal pain...
MR cholangiopancreatography of pancreaticobiliary diseases: comparison of single-shot RARE and multislice HASTE sequencesM M Morrin
Department of Radiology, Mater Misericordiae Hospital, Dublin
Clin Radiol 55:866-73. 2000....
Colorectal neoplasms: role of intravenous contrast-enhanced CT colonographyJacob Sosna
Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Ave, Boston, MA 02215, USA
Radiology 228:152-6. 2003..To evaluate whether computed tomographic (CT) colonography with intravenously administered contrast material can help predict malignant differentiation of colorectal neoplasms (> or =10 mm in diameter)...
Endoscopy in inflammatory bowel disease: indications, surveillance, and use in clinical practiceDavid S Fefferman
Center for Inflammatory Bowel Disease, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Dana 501, 330 Brookline Avenue, Boston, Massachusetts 02215, USA
Clin Gastroenterol Hepatol 3:11-24. 2005..Furthermore, endoscopy plays a key role in the surveillance of patients with long-standing colitis who are at increased risk for dysplasia and the development of colorectal cancer...
Immunogenicity of biological agents in inflammatory bowel diseaseDavid S Fefferman
Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
Inflamm Bowel Dis 11:497-503. 2005
CT colonography: colonic distention improved by dual positioning but not intravenous glucagonMartina M Morrin
Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Boston, MA 02215, USA
Eur Radiol 12:525-30. 2002..While our results suggest that other smooth muscle relaxants, including butyl scopolamine, may only have a limited role in improving colonic distention in CT colonography, further studies are required...
Safety of infliximab in Crohn's disease: a large single-center experienceH Hamzaoglu
Department of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
Inflamm Bowel Dis 16:2109-16. 2010..The aim of this study was to evaluate the short- and long-term safety experience of infliximab treatment in patients with Crohn's disease (CD) in clinical practice...
Diverticular disease in the elderlyR J Farrell
Harvard Medical School, Boston, Massachusetts, USA
Gastroenterol Clin North Am 30:475-96. 2001..Endoscopic, radiologic, and surgical advances have increased the availability of more definitive therapies for patients with complicated diverticular disease and diverticular hemorrhage...
Diagnostic and therapeutic ERCP: a large single centre's experienceR J Farrell
Department of Medicine and Gastroenterology, Trinity College Dublin, St James s Hospital, Ireland
Ir J Med Sci 170:176-80. 2001..Most large published series on endoscopic retrograde cholangiopancreatography (ERCP) are multicentre-based and consequently reflect varying experience...
Guided versus blind liver biopsy for chronic hepatitis C: clinical benefits and costsR J Farrell
Department of Hepatology, St James s Hospital, Trinity College Dublin, Ireland
J Hepatol 30:580-7. 1999....
Recent advances in inflammatory bowel diseaseR J Farrell
Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02115, USA
Crit Rev Clin Lab Sci 38:33-108. 2001..This article addresses our current understanding of the pathogenesis of IBD, including the latest developments in animal models and covers agents currently used in the treatment of IBD as well as emerging therapies...
State-of-the-art ultrasonography is as accurate as helical computed tomography and computed tomographic angiography for detecting unresectable periampullary cancerM M Morrin
Department of Radiology, Beth Israel Deacones Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA
J Ultrasound Med 20:481-90. 2001..If performed as the initial investigation and the region of the pancreatic head is clearly shown, and if vascular encasement or occlusion or distant metastasis is identified, further investigations are unnecessary...
Smoking and immunomodulators do not influence the response or duration of response to infliximab in Crohn's diseaseDavid S Fefferman
Divisions of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
Inflamm Bowel Dis 10:346-51. 2004..However, among patients with luminal or fistulous disease, neither smoking nor immunomodulators had any effect on response or duration of response...
Clostridium difficileL Kyne
Harvard Medical School, Gerontology Division, Beth Israel Deaconess Medical Center, Boston, Massachusetts, USA
Gastroenterol Clin North Am 30:753-77, ix-x. 2001..Ultimately, active or passive immunization against C. difficile may be an effective means of controlling the growing problem of nosocomial C. difficile diarrhea and colitis...
The combination of stricture dilation, endoscopic needle aspiration, and biliary brushings significantly improves diagnostic yield from malignant bile duct stricturesR J Farrell
Division of Gastroenterology and Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02115, USA
Gastrointest Endosc 54:587-94. 2001....
Open-label, dose escalation phase I study in healthy volunteers to evaluate the safety and pharmacokinetics of a human monoclonal antibody to Clostridium difficile toxin AClaribel P Taylor
Beth Israel Deaconess Medical Center, University of Massachusetts Medical School, Boston, Massachusetts, USA
Vaccine 26:3404-9. 2008..difficile toxin A are protective against symptomatic disease and recurrence. We examined the safety and pharmacokinetics (pk) of a novel neutralizing human monoclonal antibody against C. difficile toxin A (CDA1) in healthy adults...
Development of chronic colitis is dependent on the cytokine MIFY P de Jong
Division of Immunology, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
Nat Immunol 2:1061-6. 2001..Because we found increased plasma MIF concentrations in patients with Crohn's disease, these data suggested that MIF is a new target for intervention in Crohn's disease...
Risk of early surgery for Crohn's disease: implications for early treatment strategiesBruce E Sands
Gastrointestinal Unit and Center for the Study of IBD, Department of Medicine, Massachusetts General Hospital, 55 Fruit Street, GRJ 7, Boston, MA 02114, USA
Am J Gastroenterol 98:2712-8. 2003..These results suggest that improved risk stratification and potent therapies with rapid onset of action are needed to modify the natural history of Crohn's disease...
The risk of lymphoma in the treatment of inflammatory bowel disease with immunosuppressive agentsJohn H Kwon
Center for Inflammatory Bowel Disease, Division of Gastroenterology, Beth Israel Deaconess Medical Center, Harvard Medical School, 330 Brookline Avenue, Dana 501, Boston, MA 02215, USA
Crit Rev Oncol Hematol 56:169-78. 2005....
Celiac diseaseDaniel Leffler
Am J Manag Care 9:825-31; quiz 832-3. 2003....
CT colonography in 546 patients with incomplete colonoscopyLaurian Copel
Department of Radiology, Assaf Harofeh Medical Center, Sackler School of Medicine, Zerifin, Israel
Radiology 244:471-8. 2007..To retrospectively evaluate the positive predictive value (PPV) of computed tomographic (CT) colonography performed in patients who were referred for further examination after incomplete colonoscopy...
Epidermal growth factor for ulcerative colitisRichard J Farrell
N Engl J Med 349:395-7. 2003
Recent advances in the understanding of celiac disease: therapeutic implications for the management of pediatric patientsJohn H Kwon
Division of Gastroenterology and Hepatology, Johns Hopkins University, Baltimore, Maryland, USA
Paediatr Drugs 8:375-88. 2006....
Infliximab for induction and maintenance therapy for ulcerative colitisAlan C Moss
Gastroenterology 131:1649-51; discussion 1651. 2006
Adding fuel to the fire: GM-CSF for active Crohn's diseaseAlan C Moss
Gastroenterology 129:2115-7. 2005
Infant gluten and celiac disease: too early, too late, too much, too many questionsRichard J Farrell
JAMA 293:2410-2. 2005
Equimolar doses of balsalazide and mesalamine: are we comparing apples and oranges?Richard J Farrell
Am J Gastroenterol 97:1283-5. 2002
