1. Hong SJ, Cho SM, Choe BH, et al. Characteristics and incidence trends for pediatric inflammatory bowel disease in Daegu-Kyungpook Province in Korea: a multi-center study. J Korean Med Sci. 2018; 33:e132.
Article
2. Lee YA, Chun P, Hwang EH, Mun SW, Lee YJ, Park JH. Clinical features and extraintestinal manifestations of Crohn disease in children. Pediatr Gastroenterol Hepatol Nutr. 2016; 19:236–242.
Article
3. Choi J, Kang B, Kim MJ, Sohn I, Lee HJ, Choe YH. Early infliximab yields superior long-term effects on linear growth in pediatric Crohn’s disease patients. Gut Liver. 2018; 12:255–262.
Article
4. Ruemmele FM, Veres G, Kolho KL, et al. Consensus guidelines of ECCO/ESPGHAN on the medical management of pediatric Crohn’s disease. J Crohns Colitis. 2014; 8:1179–1207.
5. Kang B, Choe YH. Early biologic treatment in pediatric Crohn’s disease: catching the therapeutic window of opportunity in early disease by treat-to-target. Pediatr Gastroenterol Hepatol Nutr. 2018; 21:1–11.
Article
6. Kang B, Choi SY, Kim HS, Kim K, Lee YM, Choe YH. Mucosal healing in paediatric patients with moderate-to-severe luminal Crohn’s disease under combined immunosuppression: escalation versus early treatment. J Crohns Colitis. 2016; 10:1279–1286.
Article
7. Naganuma M, Sugimoto S, Mitsuyama K, et al. Efficacy of indigo naturalis in a multicenter randomized controlled trial of patients with ulcerative colitis. Gastroenterology. 2018; 154:935–947.
8. Ye BD. Introducing traditional herbal medicine into conventional health care in treating ulcerative colitis: primum non nocere. Gastroenterology. 2018; 154:792–795.
Article
9. Chang HN, Pang JH, Yang SH, et al. Inhibitory effect of indigo naturalis on tumor necrosis factor-alpha-induced vascular cell adhesion molecule-1 expression in human umbilical vein endothelial cells. Molecules. 2010; 15:6423–6435.
Article
10. Fukunaga K, Hida N, Ohnishi K, et al. A suppository Chinese medicine (xilei-san) for refractory ulcerative proctitis: a pilot clinical trial. Digestion. 2007; 75:146–147.
Article
11. Stasiak N, Kukuła-Koch W, Głowniak K. Modern industrial and pharmacological applications of indigo dye and its derivatives: a review. Acta Pol Pharm. 2014; 71:215–221.
12. Sugimoto S, Naganuma M, Kanai T. Indole compounds may be promising medicines for ulcerative colitis. J Gastroenterol. 2016; 51:853–861.
Article
13. Suzuki H, Kaneko T, Mizokami Y, et al. Therapeutic efficacy of the Qing Dai in patients with intractable ulcerative colitis. World J Gastroenterol. 2013; 19:2718–2722.
Article
14. Zhang F, Li Y, Xu F, Chu Y, Zhao W. Comparison of Xilei-san, a Chinese herbal medicine, and dexamethasone in mild/moderate ulcerative proctitis: a double-blind randomized clinical trial. J Altern Complement Med. 2013; 19:838–842.
Article
15. Ng SC, Lam YT, Tsoi KK, Chan FK, Sung JJ, Wu JC. Systematic review: the efficacy of herbal therapy in inflammatory bowel disease. Aliment Pharmacol Ther. 2013; 38:854–863.
Article
16. Yuan G, Ke Q, Su X, Yang J, Xu X. Qing Dai, a traditional Chinese medicine for the treatment of chronic hemorrhagic radiation proctitis. Chin Ger J Clin Oncol. 2009; 8:114.
Article
17. Sugimoto S, Naganuma M, Kiyohara H, et al. Clinical efficacy and safety of oral Qing-Dai in patients with ulcerative colitis: a single-center open-label prospective study. Digestion. 2016; 93:193–201.
Article
18. Nishio M, Hirooka K, Doi Y. Chinese herbal drug natural indigo may cause pulmonary artery hypertension. Eur Heart J. 2016; 37:1992.
Article
19. Moolsintong P, Loftus EV Jr, Chari ST, Egan LJ, Tremaine WJ, Sandborn WJ. Acute pancreatitis in patients with Crohn’s disease: clinical features and outcomes. Inflamm Bowel Dis. 2005; 11:1080–1084.
Article
20. Gallego-Gutiérrez S, Navas-López VM, Kolorz M, et al. Successful mercaptopurine usage despite azathioprine-induced pancreatitis in paediatric Crohn’s disease. J Crohns Colitis. 2015; 9:676–679.
Article