• 5018 Citations
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1993 …2020

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2020

Association Between Indefinite Dysplasia and Advanced Neoplasia in Patients With Inflammatory Bowel Diseases Undergoing Surveillance

Mahmoud, R., Shah, S. C., Torres, J., Castaneda, D., Glass, J., Elman, J., Kumar, A., Axelrad, J., Harpaz, N., Ullman, T., Colombel, J. F., Oldenburg, B. & Itzkowitz, S. H., Jun 2020, In : Clinical Gastroenterology and Hepatology. 18, 7, p. 1518-1527.e3

Research output: Contribution to journalArticle

Open Access
2 Scopus citations

Stopping Mesalamine Therapy in Patients With Crohn's Disease Starting Biologic Therapy Does Not Increase Risk of Adverse Outcomes

Ungaro, R. C., Limketkai, B. N., Jensen, C. B., Yzet, C., Allin, K. H., Agrawal, M., Ullman, T., Burisch, J., Jess, T. & Colombel, J. F., May 2020, In : Clinical Gastroenterology and Hepatology. 18, 5, p. 1152-1160.e1

Research output: Contribution to journalArticle

3 Scopus citations
2019

Appropriate Therapeutic Drug Monitoring of Biologic Agents for Patients With Inflammatory Bowel Diseases

Papamichael, K., Cheifetz, A. S., Melmed, G. Y., Irving, P. M., Vande Casteele, N., Kozuch, P. L., Raffals, L. E., Baidoo, L., Bressler, B., Devlin, S. M., Jones, J., Kaplan, G. G., Sparrow, M. P., Velayos, F. S., Ullman, T. & Siegel, C. A., Aug 2019, In : Clinical Gastroenterology and Hepatology. 17, 9, p. 1655-1668.e3

Research output: Contribution to journalArticle

Open Access
21 Scopus citations

Consecutive negative findings on colonoscopy during surveillance predict a low risk of advanced neoplasia in patients with inflammatory bowel disease with long-standing colitis: Results of a 15-year multicentre, multinational cohort study

Ten Hove, J. R., Shah, S. C., Shaffer, S. R., Bernstein, C. N., Castaneda, D., Palmela, C., Mooiweer, E., Elman, J., Kumar, A., Glass, J., Axelrad, J., Ullman, T. A., Colombel, J. F., Torres, J., Van Bodegraven, A. A., Hoentjen, F., Jansen, J. M., De Jong, M. E., Mahmmod, N., Van Der Meulen-De Jong, A. E. & 4 others, Ponsioen, C. Y., Van Der Woude, C. J., Itzkowitz, S. H. & Oldenburg, B., Apr 1 2019, In : Gut. 68, 4, p. 615-622 8 p.

Research output: Contribution to journalArticle

7 Scopus citations

Gut microbiota density influences host physiology and is shaped by host and microbial factors

Contijoch, E. J., Britton, G. J., Yang, C., Mogno, I., Li, Z., Ng, R., Llewellyn, S. R., Hira, S., Johnson, C., Rabinowitz, K. M., Barkan, R., Dotan, I., Hirten, R. P., Fu, S. C., Luo, Y., Yang, N., Luong, T., Labrias, P. R., Lira, S., Peter, I. & 54 others, Grinspan, A., Clemente, J. C., Kosoy, R., Kim-Schulze, S., Qin, X., Castillo, A., Hurley, A., Atreja, A., Rogers, J., Fasihuddin, F., Saliaj, M., Nolan, A., Reyes-Mercedes, P., Rodriguez, C., Aly, S., Santa-Cruz, K., Peters, L., Suárez-Fariñas, M., Huang, R., Hao, K., Zhu, J., Zhang, B., Losic, B., Irizar, H., Song, W. M., Di Narzo, A., Wang, W., Cohen, B. L., DiMaio, C., Greenwald, D., Itzkowitz, S., Lucas, A., Marion, J., Maser, E., Ungaro, R., Naymagon, S., Novak, J., Shah, B., Ullman, T., Rubin, P., George, J., Legnani, P., Telesco, S. E., Friedman, J. R., Brodmerkel, C., Plevy, S., Cho, J. H., Colombel, J. F., Schadt, E. E., Argmann, C., Dubinsky, M., Kasarskis, A., Sands, B. & Faith, J. J., Jan 22 2019, In : eLife. 8, e40553.

Research output: Contribution to journalArticle

Open Access
19 Scopus citations

No Association Between Pseudopolyps and Colorectal Neoplasia in Patients With Inflammatory Bowel Diseases

Dutch Initiative on Crohn and Colitis, Apr 2019, In : Gastroenterology. 156, 5, p. 1333-1344.e3

Research output: Contribution to journalArticle

6 Scopus citations

Statin exposure is not associated with reduced prevalence of colorectal neoplasia in patients with inflammatory bowel disease

Shah, S. C., Glass, J., Giustino, G., Ten Hove, J. R., Castaneda, D., Torres, J., Kumar, A., Elman, J., Ullman, T. A. & Itzkowitz, S. H., Jan 1 2019, In : Gut and Liver. 13, 1, p. 54-61 8 p.

Research output: Contribution to journalArticle

4 Scopus citations

Stopping 5-aminosalicylates in patients with ulcerative colitis starting biologic therapy does not increase the risk of adverse clinical outcomes: Analysis of two nationwide population-based cohorts

Ungaro, R. C., Limketkai, B. N., Jensen, C. B., Allin, K. H., Agrawal, M., Ullman, T., Colombel, J. F. & Jess, T., Jun 1 2019, In : Gut. 68, 6, p. 977-984 8 p.

Research output: Contribution to journalArticle

7 Scopus citations
2018

A Survey Study of Gastroenterologists' Attitudes and Barriers Toward Therapeutic Drug Monitoring of Anti-TNF Therapy in Inflammatory Bowel Disease

Grossberg, L. B., Papamichael, K., Feuerstein, J. D., Siegel, C. A., Ullman, T. A. & Cheifetz, A. S., Jan 1 2018, In : Inflammatory bowel diseases. 24, 1, p. 191-197 7 p.

Research output: Contribution to journalArticle

11 Scopus citations

High Risk of Advanced Colorectal Neoplasia in Patients With Primary Sclerosing Cholangitis Associated With Inflammatory Bowel Disease

Shah, S. C., ten Hove, J. R., Castaneda, D., Palmela, C., Mooiweer, E., Colombel, J. F., Harpaz, N., Ullman, T. A., van Bodegraven, A. A., Jansen, J. M., Mahmmod, N., van der Meulen-de Jong, A. E., Ponsioen, C. Y., van der Woude, C. J., Oldenburg, B., Itzkowitz, S. H. & Torres, J., Jul 2018, In : Clinical Gastroenterology and Hepatology. 16, 7, p. 1106-1113.e3

Research output: Contribution to journalArticle

18 Scopus citations
2017

Integrated Analysis of Biopsies from Inflammatory Bowel Disease Patients Identifies SAA1 as a Link between Mucosal Microbes with T H 17 and T H 22 Cells

Tang, M. S., Bowcutt, R., Leung, J. M., Wolff, M. J., Gundra, U. M., Hudesman, D., Malter, L. B., Poles, M. A., Chen, L. A., Pei, Z., Neto, A. G., Abidi, W. M., Ullman, T., Mayer, L., Bonneau, R. A., Cho, I. & Loke, P., Sep 1 2017, In : Inflammatory bowel diseases. 23, 9, p. 1544-1554 11 p.

Research output: Contribution to journalArticle

9 Scopus citations
2016

Agreement between Rectosigmoidoscopy and Colonoscopy Analyses of Disease Activity and Healing in Patients with Ulcerative Colitis

Colombel, J. F., Ordás, I., Ullman, T. A., Rutgeerts, P., Chai, A., O'Byrne, S., Lu, T. T. & Panés, J., Feb 1 2016, In : Gastroenterology. 150, 2, p. 389-395e3

Research output: Contribution to journalArticle

17 Scopus citations

Chromoendoscopy Is More Effective Than Standard Colonoscopy in Detecting Dysplasia During Long-term Surveillance of Patients With Colitis

Chromoendoscopy Study Group at Mount Sinai School Of Medicine, May 1 2016, In : Clinical Gastroenterology and Hepatology. 14, 5, p. 713-719 7 p.

Research output: Contribution to journalArticle

32 Scopus citations

Eldelumab [Anti-IP-10] induction therapy for ulcerative colitis: A randomised, placebo-controlled, phase 2b study

Sandborn, W. J., Colombel, J. F., Ghosh, S., Sands, B. E., Dryden, G., Hébuterne, X., Leong, R. W., Bressler, B., Ullman, T., Lakatos, P. L., Reinisch, W., Xu, L. A. & Luo, A., Apr 1 2016, In : Journal of Crohn's and Colitis. 10, 4, p. 418-428 11 p.

Research output: Contribution to journalArticle

19 Scopus citations

Epistatic Gene-Based Interaction Analyses for Glaucoma in eMERGE and NEIGHBOR Consortium

eMERGE Network & NEIGHBOR Consortium, Sep 2016, In : PLoS genetics. 12, 9, e1006186.

Research output: Contribution to journalArticle

17 Scopus citations
2015

Chromoendoscopy and dysplasia surveillance in inflammatory bowel disease: Past, present, and future

Naymagon, S. & Ullman, T. A., May 1 2015, In : Gastroenterology and Hepatology. 11, 5, p. 304-311 8 p.

Research output: Contribution to journalArticle

6 Scopus citations

Early readmission in patients hospitalized for ulcerative colitis: Incidence and risk factors

Tinsley, A., Naymagon, S., Mathers, B., Kingsley, M., Sands, B. E. & Ullman, T. A., Sep 1 2015, In : Scandinavian Journal of Gastroenterology. 50, 9, p. 1103-1109 7 p.

Research output: Contribution to journalArticle

16 Scopus citations

Serrated colorectal polyps in inflammatory bowel disease

Ko, H. M., Harpaz, N., Mcbride, R. B., Cui, M., Ye, F., Zhang, D., Ullman, T. A. & Polydorides, A. D., Dec 1 2015, In : Modern Pathology. 28, 12, p. 1584-1593 10 p.

Research output: Contribution to journalArticle

16 Scopus citations
2014

Crohn's-like clinical and pathological manifestations of giant inflammatory polyposis in IBD: A potential diagnostic pitfall

Naymagon, S., Mikulasovich, M., Gui, X., Ullman, T. A. & Harpaz, N., Jul 1 2014, In : Journal of Crohn's and Colitis. 8, 7, p. 635-640 6 p.

Research output: Contribution to journalArticle

3 Scopus citations

IL-22-producing CD4+ cells are depleted in actively inflamed colitis tissue

Leung, J. M., Davenport, M., Wolff, M. J., Wiens, K. E., Abidi, W. M., Poles, M. A., Cho, I., Ullman, T., Mayer, L. & Loke, P., Jan 1 2014, In : Mucosal Immunology. 7, 1, p. 124-133 10 p.

Research output: Contribution to journalArticle

72 Scopus citations

Metabolic alterations to the mucosal microbiota in inflammatory bowel disease

Davenport, M., Poles, J., Leung, J. M., Wolff, M. J., Abidi, W. M., Ullman, T., Mayer, L., Cho, I. & Loke, P., Apr 2014, In : Inflammatory bowel diseases. 20, 4, p. 723-731 9 p.

Research output: Contribution to journalArticle

41 Scopus citations
2013

A survey of current practice of venous thromboembolism prophylaxis in hospitalized inflammatory bowel disease patients in the united states

Tinsley, A., Naymagon, S., Trindade, A. J., Sachar, D. B., Sands, B. E. & Ullman, T. A., Jan 2013, In : Journal of clinical gastroenterology. 47, 1, p. e1-e6

Research output: Contribution to journalArticle

56 Scopus citations

Farnesoid X receptor expression is decreased in colonic mucosa of patients with primary sclerosing cholangitis and colitis-associated neoplasia

Torres, J., Bao, X., Iuga, A. C., Chen, A., Harpaz, N., Ullman, T., Cohen, B. L., De Chambrun, G. P., Asciutti, S., Odin, J. A., Sachar, D. B., Gaskins, H. R., Setchell, K., Colombel, J. F. & Itzkowitz, S. H., Feb 1 2013, In : Inflammatory bowel diseases. 19, 2, p. 275-282 8 p.

Research output: Contribution to journalArticle

26 Scopus citations

High rates of metachronous colon cancer or dysplasia after segmental resection or subtotal colectomy in Crohn's colitis

Maser, E. A., Sachar, D. B., Kruse, D., Harpaz, N., Ullman, T. & Bauer, J. J., Aug 1 2013, In : Inflammatory bowel diseases. 19, 9, p. 1827-1832 6 p.

Research output: Contribution to journalArticle

24 Scopus citations

Placental Transfer of Anti-Tumor Necrosis Factor Agents in Pregnant Patients With Inflammatory Bowel Disease

Mahadevan, U., Wolf, D. C., Dubinsky, M., Cortot, A., Lee, S. D., Siegel, C. A., Ullman, T., Glover, S., Valentine, J. F., Rubin, D. T., Miller, J. & Abreu, M. T., Mar 2013, In : Clinical Gastroenterology and Hepatology. 11, 3, p. 286-292 7 p.

Research output: Contribution to journalArticle

274 Scopus citations

Rates of pharmacologic venous thromboembolism prophylaxis in hospitalized patients with active ulcerative colitis: Results from a tertiary care center

Tinsley, A., Naymagon, S., Enomoto, L. M., Hollenbeak, C. S., Sands, B. E. & Ullman, T. A., Dec 15 2013, In : Journal of Crohn's and Colitis. 7, 12, p. e635-e640

Research output: Contribution to journalArticle

18 Scopus citations

The management of immunosuppression in patients with inflammatory bowel disease and cancer

Bernheim, O., Colombel, J. F., Ullman, T. A., Laharie, D., Beaugerie, L. & Itzkowitz, S. H., Nov 1 2013, In : Gut. 62, 11, p. 1523-1528 6 p.

Research output: Contribution to journalArticle

33 Scopus citations
2012

A genome-wide scan of ashkenazi jewish crohn's disease suggests novel susceptibility loci

Kenny, E. E., Pe'er, I., Karban, A., Ozelius, L., Mitchell, A. A., Ng, S. M., Erazo, M., Ostrer, H., Abraham, C., Abreu, M. T., Atzmon, G., Barzilai, N., Brant, S. R., Bressman, S., Burns, E. R., Chowers, Y., Clark, L. N., Darvasi, A., Doheny, D., Duerr, R. H. & 23 others, Eliakim, R., Giladi, N., Gregersen, P. K., Hakonarson, H., Jones, M. R., Marder, K., McGovern, D. P. B., Mulle, J., Orr-Urtreger, A., Proctor, D. D., Pulver, A., Rotter, J. I., Silverberg, M. S., Ullman, T., Warren, S. T., Waterman, M., Zhang, W., Bergman, A., Mayer, L., Katz, S., Desnick, R. J., Cho, J. H. & Peter, I., Mar 2012, In : PLoS genetics. 8, 3, e1002559.

Research output: Contribution to journalArticle

94 Scopus citations

Dysplasia is more common in the distal than proximal colon in ulcerative colitis surveillance

Goldstone, R., Itzkowitz, S., Harpaz, N. & Ullman, T., May 1 2012, In : Inflammatory bowel diseases. 18, 5, p. 832-837 6 p.

Research output: Contribution to journalArticle

16 Scopus citations

Normal response to vaccines in inflammatory bowel disease patients treated with thiopurines

Dotan, I., Werner, L., Vigodman, S., Agarwal, S., Pfeffer, J., Horowitz, N., Malter, L., Abreu, M., Ullman, T., Guzner-Gur, H., Halpern, Z. & Mayer, L., Feb 1 2012, In : Inflammatory bowel diseases. 18, 2, p. 261-268 8 p.

Research output: Contribution to journalArticle

47 Scopus citations

Patients Enrolled in Randomized Controlled Trials Do Not Represent the Inflammatory Bowel Disease Patient Population

Ha, C., Ullman, T. A., Siegel, C. A. & Kornbluth, A., Sep 1 2012, In : Clinical Gastroenterology and Hepatology. 10, 9, p. 1002-1007 6 p.

Research output: Contribution to journalArticle

124 Scopus citations

The effect of intravenous cyclosporine on rates of colonic surgery in hospitalized patients with severe Crohn's colitis

Lazarev, M., Present, D. H., Lichtiger, S., Kornbluth, A., Marion, J., Chapman, M. & Ullman, T. A., Oct 1 2012, In : Journal of clinical gastroenterology. 46, 9, p. 764-767 4 p.

Research output: Contribution to journalArticle

7 Scopus citations
2011

An evidence-based systematic review on medical therapies for inflammatory bowel disease

Talley, N. J., Abreu, M. T., Achkar, J. P., Bernstein, C. N., Dubinsky, M. C., Hanauer, S. B., Kane, S. V., Sandborn, W. J., Ullman, T. A. & Moayyedi, P., Apr 1 2011, In : American Journal of Gastroenterology. 106, SUPPL. 1, p. S2-S25

Research output: Contribution to journalArticle

211 Scopus citations
66 Scopus citations

Current practice and perception of screening for medication adherence in inflammatory bowel disease

Trindade, A. J., Morisky, D. E., Ehrlich, A. C., Tinsley, A. & Ullman, T. A., Nov 1 2011, In : Journal of clinical gastroenterology. 45, 10, p. 878-882 5 p.

Research output: Contribution to journalArticle

18 Scopus citations

Evaluation of 22 genetic variants with Crohn's Disease risk in the Ashkenazi Jewish population: a case-control study

Peter, I., Mitchell, A. A., Ozelius, L., Erazo, M., Hu, J., Doheny, D., Abreu, M. T., Present, D. H., Ullman, T., Benkov, K., Korelitz, B. I., Mayer, L. & Desnick, R. J., May 6 2011, In : BMC Medical Genetics. 12, 63.

Research output: Contribution to journalArticle

37 Scopus citations

Intestinal inflammation and cancer

Ullman, T. A. & Itzkowitz, S. H., May 2011, In : Gastroenterology. 140, 6, p. 1807-1816.e1

Research output: Contribution to journalArticle

601 Scopus citations

Progression of low-grade dysplasia in ulcerative colitis: Effect of colonic location

Goldstone, R., Itzkowitz, S., Harpaz, N. & Ullman, T., Nov 1 2011, In : Gastrointestinal endoscopy. 74, 5, p. 1087-1093 7 p.

Research output: Contribution to journalArticle

35 Scopus citations

Quality of care in inflammatory bowel disease

Shah, B., Tinsley, A. & Ullman, T., Feb 1 2011, In : Current gastroenterology reports. 13, 1, p. 87-94 8 p.

Research output: Contribution to journalArticle

1 Scopus citations

Thromboembolic risk among Danish children and adults with inflammatory bowel diseases: A population-based nationwide study

Kappelman, M. D., Horvath-Puho, E., Sandler, R. S., Rubin, D. T., Ullman, T. A., Pedersen, L., Baron, J. A. & Sørensen, H. T., Jul 1 2011, In : Gut. 60, 7, p. 937-943 7 p.

Research output: Contribution to journalArticle

142 Scopus citations
2010

Dimeric Lea (Lea-on-Lea) status of ß-haptoglobin in sera of colon cancer, chronic inflammatory disease and normal subjects

Park, S. Y., Yoon, S. J., Hakomori, S. I., Kim, J. M., Kim, J. Y., Bernert, B., Ullman, T., Itzkowitz, S. H. & Kim, J. H., May 1 2010, In : International journal of oncology. 36, 5, p. 1291-1297 7 p.

Research output: Contribution to journalArticle

4 Scopus citations

N-glycosylation status of β-haptoglobin in sera of patients with colon cancer, chronic inflammatory diseases and normal subjects

Park, S. Y., Yoon, S. J., Jeong, Y. T., Kim, J. M., Kim, J. Y., Bernert, B., Ullman, T., Itzkowitz, S. H., Kim, J. H. & Hakomori, S. I., Jan 1 2010, In : International Journal of Cancer. 126, 1, p. 142-155 14 p.

Research output: Contribution to journalArticle

39 Scopus citations
2009

Early clinical experience with adalimumab in treatment of inflammatory bowel disease with infliximab-treated and naïve patients

Swaminath, A., Ullman, T., Rosen, M., Mayer, L., Lichtiger, S. & Abreu, M. T., Feb 2009, In : Alimentary Pharmacology and Therapeutics. 29, 3, p. 273-278 6 p.

Research output: Contribution to journalArticle

33 Scopus citations

Recurrence patterns after first resection for stricturing or penetrating Crohn's disease

Sachar, D. B., Lemmer, E., Ibrahim, C., Edden, Y., Ullman, T., Ciardulo, J., Roth, E., Greenstein, A. J. & Bauer, J. J., Sep 18 2009, In : Inflammatory bowel diseases. 15, 7, p. 1071-1075 5 p.

Research output: Contribution to journalArticle

54 Scopus citations

Severity of inflammation as a predictor of colectomy in patients with chronic ulcerative colitis

Hefti, M. M., Chessin, D. B., Harpaz, N., Steinhagen, R. M. & Ullman, T. A., Feb 1 2009, In : Diseases of the Colon and Rectum. 52, 2, p. 193-197 5 p.

Research output: Contribution to journalArticle

59 Scopus citations
2008

Chromoendoscopy-targeted biopsies are superior to standard colonoscopic surveillance for detecting dysplasia in inflammatory bowel disease patients: A prospective endoscopic trial

Marion, J. F., Waye, J. D., Present, D. H., Israel, Y., Bodian, C., Harpaz, N., Chapman, M., Itzkowitz, S., Steinlauf, A. F., Abreu, M. T., Ullman, T. A., Aisenberg, J. & Mayer, L., Sep 1 2008, In : American Journal of Gastroenterology. 103, 9, p. 2342-2349 8 p.

Research output: Contribution to journalArticle

230 Scopus citations

Cyclosporine and Infliximab as Rescue Therapy for Each Other in Patients With Steroid-Refractory Ulcerative Colitis

Maser, E. A., Deconda, D., Lichtiger, S., Ullman, T., Present, D. H. & Kornbluth, A., Oct 1 2008, In : Clinical Gastroenterology and Hepatology. 6, 10, p. 1112-1116 5 p.

Research output: Contribution to journalArticle

132 Scopus citations

Progression to Colorectal Neoplasia in Ulcerative Colitis: Effect of Mesalamine

Ullman, T., Croog, V., Harpaz, N., Hossain, S., Kornbluth, A., Bodian, C. & Itzkowitz, S., Nov 1 2008, In : Clinical Gastroenterology and Hepatology. 6, 11, p. 1225-1230 6 p.

Research output: Contribution to journalArticle

63 Scopus citations
2007

5-Aminosalicylic acid therapy and the risk of colorectal cancer among patients with inflammatory bowel disease

Terdiman, J. P., Steinbuch, M., Blumentals, W. A., Ullman, T. A. & Rubin, D. T., Apr 1 2007, In : Inflammatory bowel diseases. 13, 4, p. 367-371 5 p.

Research output: Contribution to journalArticle

110 Scopus citations

Histologic Inflammation Is a Risk Factor for Progression to Colorectal Neoplasia in Ulcerative Colitis: A Cohort Study

Gupta, R. B., Harpaz, N., Itzkowitz, S., Hossain, S., Matula, S., Kornbluth, A., Bodian, C. & Ullman, T., Oct 2007, In : Gastroenterology. 133, 4, p. 1099-1105 7 p.

Research output: Contribution to journalArticle

486 Scopus citations