• 5125 Citations
  • 34 h-Index
1993 …2020

Research output per year

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Publications

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

5 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
27 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
25 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

7 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 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

Agreement between Crohn's Disease Endoscopic Severity Scores Derived from Live, Video-recorded, and Central Readings

Côté-Daigneault, J., Peerani, F., Katsanos, K., Ullman, T. A., Marion, J., Legnani, P., Cohen, B. & Colombel, J. F., Apr 23 2018, In : Inflammatory Bowel Diseases. 24, 5, p. e6-e7

Research output: Contribution to journalLetter

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

21 Scopus citations
2017

Building evidence for care beyond the medical centre

Ullman, T. A. & Atreja, A., Sep 2 2017, In : The Lancet. 390, 10098, p. 919-920 2 p.

Research output: Contribution to journalComment/debate

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

Malignant tumors arising in inflammatory bowel disease

Ullman, T. A. & Yaeger, R., Jun 6 2017, Pediatric Inflammatory Bowel Disease: Third Edition. Springer International Publishing, p. 669-683 15 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Predictors of Hospital Readmissions for Ulcerative Colitis in the United States: A National Database Study

Poojary, P., Saha, A., Chauhan, K., Simoes, P., Sands, B. E., Cho, J., Ullman, T., Nadkarni, G. & Ungaro, R., Mar 1 2017, In : Inflammatory bowel diseases. 23, 3, p. 347-356 10 p.

Research output: Contribution to journalReview article

23 Scopus citations

Prognosis of Colorectal Cancer in Inflammatory Bowel Disease: Data from a State Registry

Ullman, T. A. & Itzkowitz, S. H., Aug 1 2017, In : Digestive Diseases and Sciences. 62, 8, p. 1850-1851 2 p.

Research output: Contribution to journalEditorial

1 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

18 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

33 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

18 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

76 Scopus citations

Mark Warren Babyatsky, MD (June 29, 1959-August 25, 2014)

Itzkowitz, S. H., Sands, B. E., Ullman, T. A. & Rustgi, A. K., Dec 1 2014, In : Gastroenterology. 147, 6, p. 1189-1190 2 p.

Research output: Contribution to journalEditorial

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 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

25 Scopus citations

Looking forward to understanding and reducing colorectal cancer risk in inflammatory bowel disease

Velayos, F. S. & Ullman, T. A., Jul 2013, In : Gastroenterology. 145, 1, p. 47-49 3 p.

Research output: Contribution to journalEditorial

1 Scopus citations

Malaignant tumors arising in inflammatory bowel disease

Ullman, T. A., Jan 1 2013, Pediatric Inflammatory Bowel Disease, Second Edition. Springer New York, p. 531-545 15 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

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

282 Scopus citations

Quality indicators for inflammatory bowel disease: Development of process and outcome measures

Melmed, G. Y., Siegel, C. A., Spiegel, B. M., Allen, J. I., Cima, R., Colombel, J. F., Dassopoulos, T., Denson, L. A., Dudley-Brown, S., Garb, A., Hanauer, S. B., Kappelman, M. D., Lewis, J. D., Lynch, I., Moynihan, A., Rubin, D. T., Sartor, R. B., Schwartz, R. M., Wolf, D. C. & Ullman, T. A., Mar 1 2013, In : Inflammatory bowel diseases. 19, 3, p. 662-668 7 p.

Research output: Contribution to journalReview article

88 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

95 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

Malignant tumors arising in inflammatory bowel disease

Ullman, T. A., Mar 28 2012, Principles and Practice of Surgical Oncology: A Multidisciplinary Approach to Difficult Problems. Wolters Kluwer Health Adis (ESP)

Research output: Chapter in Book/Report/Conference proceedingChapter

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 2012, In : Inflammatory bowel diseases. 18, 2, p. 261-268 8 p.

Research output: Contribution to journalArticle

49 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

127 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

The MMAS-8, a screening tool for determining nonadherent behavior, should not be dismissed in IBD

Trindade, A. J., Tinsley, A., Kornbluth, A. & Ullman, T. A., Jun 1 2012, In : American Journal of Gastroenterology. 107, 6, p. 951-952 2 p.

Research output: Contribution to journalLetter

2 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 2011, In : American Journal of Gastroenterology. 106, SUPPL. 1, p. S2-S25

Research output: Contribution to journalArticle

213 Scopus citations

Antibiotic therapy in inflammatory bowel disease: A systematic review and meta-analysis

Khan, K. J., Ullman, T. A., Ford, A. C., Abreu, M. T., Abadir, A., Marshall, J. K., Talley, N. J. & Moayyedi, P., Apr 2011, In : American Journal of Gastroenterology. 106, 4, p. 661-673 13 p.

Research output: Contribution to journalReview article

337 Scopus citations
67 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 2011, In : Journal of clinical gastroenterology. 45, 10, p. 878-882 5 p.

Research output: Contribution to journalArticle

18 Scopus citations

Efficacy of immunosuppressive therapy for inflammatory bowel disease: A systematic review and meta-analysis

Khan, K. J., Dubinsky, M. C., Ford, A. C., Ullman, T. A., Talley, N. J. & Moayyedi, P., Apr 2011, In : American Journal of Gastroenterology. 106, 4, p. 630-642 13 p.

Research output: Contribution to journalReview article

172 Scopus citations

Erratum: Antibiotic therapy in inflammatory bowel disease: A systematic review and meta-analysis (American Journal of Gastroenterology (2011) 106 (661-673) DOI: 10.1038/ajg.2011.72)

Khan, K. J., Ullman, T. A., Ford, A. C., Abreu, M. T., Abadir, A., Marshall, J. K., Talley, N. J. & Moayyedi, P., May 1 2011, In : American Journal of Gastroenterology. 106, 5, 1 p.

Research output: Contribution to journalComment/debate

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

38 Scopus citations