5. Miyazaki T, Watanabe K, Kojima K, et al. Efficacies and related issues of ustekinumab in Japanese patients with Crohn’s disease: a preliminary study. Digestion 2020;101:53-59.
6. Morita Y, Imai T, Bamba S, et al. Clinical relevance of innovative immunoassays for serum ustekinumab and anti-ustekinumab antibody levels in Crohn’s disease. J Gastroenterol Hepatol 2020;35:1163-1170.
8. Colombel JF, Panaccione R, Bossuyt P, et al. Effect of tight control management on Crohn’s disease (CALM): a multicentre, randomised, controlled phase 3 trial. Lancet 2018;390:2779-2789.
9. Yamamoto H, Ogata H, Matsumoto T, et al. Clinical practice guideline for enteroscopy. Dig Endosc 2017;29:519-546.
12. Watanabe K, Hosomi S, Noguchi A, et al. Significances and issues for capsule endoscopy in patients with Crohn’s diseasetoward the appropriate use. Nihon Shokakibyo Gakkai Zasshi 2015;112:1259-1269.
13. Click B, Vargas EJ, Anderson AM, et al. Silent Crohn’s disease: asymptomatic patients with elevated C-reactive protein are at risk for subsequent hospitalization. Inflamm Bowel Dis 2015;21:2254-2261.
14. Pariente B, Cosnes J, Danese S, et al. Development of the Crohn’s disease digestive damage score, the Lémann score. Inflamm Bowel Dis 2011;17:1415-1422.
15. Bhattacharya A, Rao BB, Koutroubakis IE, et al. Silent Crohn’s disease predicts increased bowel damage during multiyear follow-up: the consequences of under-reporting active inflammation. Inflamm Bowel Dis 2016;22:2665-2671.
17. Verdejo C, Hervías D, Roncero Ó, et al. Fecal calprotectin is not superior to serum C-reactive protein or the Harvey-Bradshaw index in predicting postoperative endoscopic recurrence in Crohn’s disease. Eur J Gastroenterol Hepatol 2018;30:1521-1527.
19. Peyrin-Biroulet L, Panés J, Sandborn WJ, et al. Defining disease severity in inflammatory bowel diseases: current and future directions. Clin Gastroenterol Hepatol 2016;14:348-354.
21. Enns RA, Hookey L, Armstrong D, et al. Clinical practice guidelines for the use of video capsule endoscopy. Gastroenterology 2017;152:497-514.
22. Kucharzik T, Wittig BM, Helwig U, et al. Use of intestinal ultrasound to monitor Crohn’s disease activity. Clin Gastroenterol Hepatol 2017;15:535-542.
23. Aloi M, Di Nardo G, Romano G, et al. Magnetic resonance enterography, small-intestine contrast US, and capsule endoscopy to evaluate the small bowel in pediatric Crohn’s disease: a prospective, blinded, comparison study. Gastrointest Endosc 2015;81:420-427.
27. Takenaka K, Ohtsuka K, Kitazume Y, et al. Comparison of magnetic resonance and balloon enteroscopic examination of the small intestine in patients with Crohn’s disease. Gastroenterology 2014;147:334-342.
28. Solem CA, Loftus EV Jr, Fletcher JG, et al. Small-bowel imaging in Crohn’s disease: a prospective, blinded, 4-way comparison trial. Gastrointest Endosc 2008;68:255-266.
29. Torres J, Burisch J, Riddle M, Dubinsky M, Colombel JF. Preclinical disease and preventive strategies in IBD: perspectives, challenges and opportunities. Gut 2016;65:1061-1069.
30. Rutgeerts P, Geboes K, Vantrappen G, Beyls J, Kerremans R, Hiele M. Predictability of the postoperative course of Crohn’s disease. Gastroenterology 1990;99:956-963.
31. Bouguen G, Levesque BG, Pola S, Evans E, Sandborn WJ. Endoscopic assessment and treating to target increase the likelihood of mucosal healing in patients with Crohn’s disease. Clin Gastroenterol Hepatol 2014;12:978-985.
32. Oshitani N, Yukawa T, Yamagami H, et al. Evaluation of deep small bowel involvement by double-balloon enteroscopy in Crohn’s disease. Am J Gastroenterol 2006;101:1484-1489.
33. Esaki M, Matsumoto T, Watanabe K, et al. Use of capsule endoscopy in patients with Crohn’s disease in Japan: a multicenter survey. J Gastroenterol Hepatol 2014;29:96-101.
34. Watanabe K, Ohmiya N, Nakamura M, Fujiwara Y. A prospective study evaluating the clinical utility of the tag-less patency capsule with extended time for confirming functional patency. Digestion [published online ahead of print September 19, 2019].
https://doi.org/10.1159/000503027.
36. Morimoto K, Watanabe K, Noguchi A, et al. Clinical impact of ultrathin colonoscopy for Crohn’s disease patients with strictures. J Gastroenterol Hepatol 2015;30-Suppl 1:66-70.
38. Beppu T, Ono Y, Matsui T, et al. Mucosal healing of ileal lesions is associated with long-term clinical remission after infliximab maintenance treatment in patients with Crohn’s disease. Dig Endosc 2015;27:73-81.
39. Takenaka K, Fujii T, Suzuki K, et al. Small bowel healing detected by endoscopy in patients with crohn’s disease after treatment with antibodies against tumor necrosis factor. Clin Gastroenterol Hepatol 2020;18:1545-1552.
40. Danese S, Sandborn WJ, Colombel JF, et al. Endoscopic, radiologic, and histologic healing with vedolizumab in patients with active Crohn’s disease. Gastroenterology 2019;157:1007-1018.
41. Habtezion A, Nguyen LP, Hadeiba H, Butcher EC. Leukocyte trafficking to the small intestine and colon. Gastroenterology 2016;150:340-354.
43. Satsangi J, Silverberg MS, Vermeire S, Colombel JF. The Montreal classification of inflammatory bowel disease: controversies, consensus, and implications. Gut 2006;55:749-753.
44. Hall B, Holleran G, McNamara D. Small bowel Crohn’s disease: an emerging disease phenotype? Dig Dis 2015;33:42-51.
45. Cotter J, Dias de Castro F, Moreira MJ, Rosa B. Tailoring Crohn’s disease treatment: the impact of small bowel capsule endoscopy. J Crohns Colitis 2014;8:1610-1615.
47. Flamant M, Trang C, Maillard O, et al. The prevalence and outcome of jejunal lesions visualized by small bowel capsule endoscopy in Crohn’s disease. Inflamm Bowel Dis 2013;19:1390-1396.
50. Hirai F, Beppu T, Takatsu N, et al. Long-term outcome of endoscopic balloon dilation for small bowel strictures in patients with Crohn’s disease. Dig Endosc 2014;26:545-551.
51. Lan N, Stocchi L, Ashburn JH, et al. Outcomes of endoscopic balloon dilation vs surgical resection for primary ileocolic strictures in patients with Crohn’s disease. Clin Gastroenterol Hepatol 2018;16:1260-1267.
52. Higashi D, Katsuno H, Kimura H, et al. Current state of and problems related to cancer of the intestinal tract associated with Crohn’s disease in Japan. Anticancer Res 2016;36:3761-3766.
53. Matsumoto T, Iwao Y, Igarashi M, et al. Endoscopic and chromoendoscopic atlas featuring dysplastic lesions in surveillance colonoscopy for patients with long-standing ulcerative colitis. Inflamm Bowel Dis 2008;14:259-264.
54. Sogawa M, Watanabe K, Egashira Y, et al. Precise endoscopic and pathologic features in a Crohn’s disease case with two fistula-associated small bowel adenocarcinomas complicated by an anal canal adenocarcinoma. Intern Med 2013;52:445-449.
55. Vande Casteele N, Ferrante M, Van Assche G, et al. Trough concentrations of infliximab guide dosing for patients with inflammatory bowel disease. Gastroenterology 2015;148:1320-1329.
56. Watanabe K, Matsumoto T, Hisamatsu T, et al. Clinical and pharmacokinetic factors associated with adalimumab-induced mucosal healing in patients with Crohn’s disease. Clin Gastroenterol Hepatol 2018;16:542-549.