Kenji Watanabe

2025

Diagnostic accuracy and cut-off values of serum leucine-rich alpha-2 glycoprotein for Crohn’s disease activity in the small bowel

Okita, M., Takenaka, K., Hirai, F., Ashizuka, S., Iijima, H., Bamba, S., Fujii, T., Watanabe, K., Shimodaira, Y., Shiga, H., Hiraoka, S., Inokuchi, T., Yamamura, T., Emoto, R. & Matsui, S., 2025/05, In: Journal of Gastroenterology. 60, 5, p. 573-582 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Guidelines for endoscopic diagnosis and treatment of inflammatory bowel diseases

Matsumoto, T., Hisamatsu, T., Esaki, M., Omori, T., Sakuraba, H., Shinzaki, S., Sugimoto, K., Takenaka, K., Naganuma, M., Bamba, S., Hisabe, T., Hiraoka, S., Fujiya, M., Matsuura, M., Yanai, S., Watanabe, K., Ogata, H., Andoh, A., Nakase, H. & Ohtsuka, K. & 4 others, Hirai, F., Fujishiro, M., Igarashi, Y. & Tanaka, S., 2025/04, In: Digestive Endoscopy. 37, 4, p. 319-351 33 p.

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Inadequate Efficacy of Biologics for Treating Proximal Ileal Lesions in Crohn's Disease; A Prospective Multicenter Study

Takenaka, K., Hisamatsu, T., Kobayashi, T., Yamamoto, H., Ohmiya, N., Hayashi, R., Matsuoka, K., Saruta, M., Andoh, A., Fukata, N., Watanabe, K., Imaeda, H., Hirai, F., Matsumoto, T., Hirakawa, A., Yano, T., Matsuura, M., Okamoto, R., Ohtsuka, K. & Watanabe, M., 2025, (Accepted/In press) In: Clinical Gastroenterology and Hepatology.

Research output: Contribution to journal › Article › peer-review

2024

Impact of Concomitant Thiopurine on the Efficacy and Safety of Filgotinib in Patients with Ulcerative Colitis: Post Hoc Analysis of the Phase 2b/3 SELECTION Study

Watanabe, K., Peyrin-Biroulet, L., Danese, S., Fujitani, Y., Faes, M., Oortwijn, A., Lindsay, J. O., Rogler, G. & Hibi, T., 2024/06/01, In: Journal of Crohn's and Colitis. 18, 6, p. 801-811 11 p.

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Impact of twice-daily budesonide foam administration on early clinical response and endoscopic remission in patients with ulcerative colitis: a post hoc analysis

Watanabe, K., Hirai, F., Kobayashi, K., Takeuchi, K., Kurosu, S., Inagaki, K., Iwayama, K. I. & Naganuma, M., 2024/11, In: Journal of Gastroenterology and Hepatology (Australia). 39, 11, p. 2367-2376 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Involvement of Mediterranean fever gene mutations in colchicine-responsive enterocolitis: a retrospective cohort study

MEFV-IBDU Group, 2024/12, In: EBioMedicine. 110, 105454.

Research output: Contribution to journal › Article › peer-review

Open Access

1 Scopus citations

Nationwide multicenter study on adverse events associated with a patency capsule: Additional survey of appropriate use of patency capsule study

Omori, T., Ohmiya, N., Watanabe, K., Hirai, F., Nakamura, M., Kitamura, K., Ozeki, K., Oka, S., Kawano, S., Handa, O., Kawai, M., Ninomiya, K., Sagawa, T., Wakamatsu, T., Araki, A., Koike, Y., Kato, S., Hashimoto, S., Mannami, T. & Nakaji, K. & 26 others, Tanaka, S., Matsui, T., Abe, T., Bamba, S., Esaki, M., Hayashida, M., Hasegawa, D., Higaki, S., Hiramoto, T., Hodo, Y., Iwamoto, M., Kanayama, K., Katsurahara, M., Kojima, Y., Mizukami, K., Naganuma, M., Nagasaka, M., Nishiyama, R., Nouda, S., Osawa, S., Sameshima, Y., Shibatoge, M., Shiotani, A., Suga, T., Tokuhara, D. & Ueno, E., 2024/02, In: Journal of Gastroenterology and Hepatology (Australia). 39, 2, p. 337-345 9 p.

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Real-world efficacy and safety of tofacitinib treatment in Asian patients with ulcerative colitis

Kojima, K., Watanabe, K., Kawai, M., Yagi, S., Kaku, K., Ikenouchi, M., Sato, T., Kamikozuru, K., Yokoyama, Y., Takagawa, T., Shimizu, M. & Shinzaki, S., 2024, In: World Journal of Gastroenterology. 30, 13, p. 1871-1886 16 p.

Research output: Contribution to journal › Article › peer-review

Open Access

8 Scopus citations

Upadacitinib Achieves Clinical and Endoscopic Outcomes in Crohn's Disease Regardless of Prior Biologic Exposure

Peyrin-Biroulet, L., Panaccione, R., Louis, E., Atreya, R., Rubin, D. T., Lindsay, J. O., Siffledeen, J., Lukin, D. J., Wright, J., Watanabe, K., Ford, S., Remple, V. P., Lacerda, A. P., Dubcenco, E., Garrison, A., Zhou, Q., Berg, S., Anyanwu, S. I. & Schreiber, S., 2024/10, In: Clinical Gastroenterology and Hepatology. 22, 10, p. 2096-2106 11 p.

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

2023

Anxiety and behavioral changes in Japanese patients with inflammatory bowel disease due to COVID-19 pandemic: a national survey

Nakase, H., Wagatsuma, K., Nojima, M., Matsumoto, T., Matsuura, M., Iijima, H., Matsuoka, K., Ohmiya, N., Ishihara, S., Hirai, F., Takeuchi, K., Tamura, S., Kinjo, F., Ueno, N., Naganuma, M., Watanabe, K., Moroi, R., Nishimata, N., Motoya, S. & Kurahara, K. & 14 others, Takahashi, S., Maemoto, A., Sakuraba, H., Saruta, M., Tominaga, K., Hisabe, T., Tanaka, H., Terai, S., Hiraoka, S., Takedomi, H., Narimatsu, K., Endo, K., Nakamura, M. & Hisamatsu, T., 2023/03, In: Journal of Gastroenterology. 58, 3, p. 205-216 12 p.

Research output: Contribution to journal › Article › peer-review

Open Access

7 Scopus citations

Correction: Characteristics of adult patients newly diagnosed with Crohn’s disease: interim analysis of the nation-wide inception cohort registry study of patients with Crohn’s disease in Japan (iCREST-CD) (Journal of Gastroenterology, (2022), 57, 11, (867-878), 10.1007/s00535-022-01907-2)

iCREST-CD Study Group, 2023/06, In: Journal of Gastroenterology. 58, 6, p. 602-603 2 p.

Research output: Contribution to journal › Comment/debate

2 Scopus citations

Darvadstrocel for Complex Perianal Fistulas in Japanese Adults with Crohn’s Disease: A Phase 3 Study

Furukawa, S., Mizushima, T., Nakaya, R., Shibata, M., Yamaguchi, T., Watanabe, K. & Futami, K., 2023/03/01, In: Journal of Crohn's and Colitis. 17, 3, p. 369-378 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

27 Scopus citations

Diagnosis and Clinical Features of Perianal Lesions in Newly Diagnosed Crohn's Disease: Subgroup Analysis from Inception Cohort Registry Study of Patients with Crohn's Disease (iCREST-CD)

Yamamoto, T., Nakase, H., Watanabe, K., Shinzaki, S., Takatsu, N., Fujii, T., Okamoto, R., Matsuoka, K., Yamada, A., Kunisaki, R., Matsuura, M., Shiga, H., Bamba, S., Mikami, Y., Shimoyama, T., Motoya, S., Torisu, T., Kobayashi, T., Ohmiya, N. & Saruta, M. & 8 others, Matsuda, K., Matsumoto, T., Maemoto, A., Murata, Y., Yoshigoe, S., Nagasaka, S., Yajima, T. & Hisamatsu, T., 2023/08/01, In: Journal of Crohn's and Colitis. 17, 8, p. 1193-1206 14 p.

Research output: Contribution to journal › Article › peer-review

Open Access

19 Scopus citations

Effectiveness of endoscopic resection for colorectal neoplasms in ulcerative colitis: a multicenter registration study

Hirai, M., Yanai, S., Kunisaki, R., Nishio, M., Watanabe, K., Sato, T., Ishihara, S., Anzai, H., Hisabe, T., Yasukawa, S., Maeda, Y., Takishima, K., Ohno, A., Shiga, H., Uraoka, T., Itoi, Y., Ogata, H., Takabayashi, K., Yoshida, N. & Saito, Y. & 6 others, Takamaru, H., Kawasaki, K., Esaki, M., Tsuruoka, N., Hisamatsu, T. & Matsumoto, T., 2023/11, In: Gastrointestinal Endoscopy. 98, 5, p. 806-812 7 p.

Research output: Contribution to journal › Article › peer-review

Open Access

12 Scopus citations

Efficacy and safety of filgotinib as induction and maintenance therapy for Japanese patients with moderately to severely active ulcerative colitis: a post-hoc analysis of the phase 2b/3 SELECTION trial

Hibi, T., Motoya, S., Hisamatsu, T., Hirai, F., Watanabe, K., Matsuoka, K., Saruta, M., Kobayashi, T., Feagan, B. G., Tasset, C., Besuyen, R., Yun, C., Crans, G., Zhang, J., Kondo, A. & Watanabe, M., 2023, In: Intestinal Research. 21, 1, p. 110-125 16 p.

Research output: Contribution to journal › Article › peer-review

Open Access

14 Scopus citations

Expert consensus on vaccination in patients with inflammatory bowel disease in Japan

Ishige, T., Shimizu, T., Watanabe, K., Arai, K., Kamei, K., Kudo, T., Kunisaki, R., Tokuhara, D., Naganuma, M., Mizuochi, T., Murashima, A., Inoki, Y., Iwata, N., Iwama, I., Koinuma, S., Shimizu, H., Jimbo, K., Takaki, Y., Takahashi, S. & Cho, Y. & 12 others, Nambu, R., Nishida, D., Hagiwara, S. I., Hikita, N., Fujikawa, H., Hosoi, K., Hosomi, S., Mikami, Y., Miyoshi, J., Yagi, R., Yokoyama, Y. & Hisamatsu, T., 2023/02, In: Journal of Gastroenterology. 58, 2, p. 135-157 23 p.

Research output: Contribution to journal › Article › peer-review

Open Access

4 Scopus citations

Final Analysis of COVID-19 Patients With Inflammatory Bowel Disease in Japan (J-COSMOS): A Multicenter Registry Cohort Study

J-COSMOS group, 2023/01, In: Gastro Hep Advances. 2, 8, p. 1056-1065 10 p.

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Geography Influences Susceptibility to SARS-CoV-2 Serological Response in Patients With Inflammatory Bowel Disease: Multinational Analysis From the ICARUS-IBD Consortium

ICARUS-IBD Consortium , 2023/11/01, In: Inflammatory Bowel Diseases. 29, 11, p. 1693-1705 13 p.

Research output: Contribution to journal › Article › peer-review

Open Access

3 Scopus citations

Multicenter prospective registration study of efficacy and safety of capsule endoscopy in Crohn’s disease in Japan (SPREAD-J study)

the SPREAD-J group, 2023/10, In: Journal of Gastroenterology. 58, 10, p. 1003-1014 12 p.

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Short-term clinical evaluation of teduglutide for patients with Crohn's disease on home parenteral support for postoperative short bowel syndrome with intestinal failure

Sato, T., Uchino, M., Takeuchi, J., Fujihira, Y., Shimizu, K., Yokoyama, K., Yagi, S., Kaku, K., Takashima, Y., Ikenouchi, M., Kojima, K., Kawai, M., Nagase, K., Kamikozuru, K., Yokoyama, Y., Takagawa, T., Ikeuchi, H., Watanabe, K. & Shinzaki, S., 2023/05, In: Clinical Nutrition. 42, 5, p. 722-731 10 p.

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Smoking and drinking habits relating to development of ulcerative colitis in Japanese: A multicenter case–control study

for the Japanese Case-Control Study Group for Ulcerative Colitis, 2023/01, In: JGH Open. 7, 1, p. 61-67 7 p.

Research output: Contribution to journal › Article › peer-review

Open Access

Trajectory analyses to identify persistently low responders to COVID-19 vaccination in patients with inflammatory bowel disease: a prospective multicentre controlled study, J-COMBAT

Watanabe, K., Nojima, M., Nakase, H., Sato, T., Matsuura, M., Aoyama, N., Kobayashi, T., Sakuraba, H., Nishishita, M., Yokoyama, K., Esaki, M., Hirai, F., Nagahori, M., Nanjo, S., Omori, T., Tanida, S., Yokoyama, Y., Moriya, K., Maemoto, A. & Handa, O. & 20 others, Ohmiya, N., Tsuchiya, K., Shinzaki, S., Kato, S., Uraoka, T., Tanaka, H., Takatsu, N., Nishida, A., Umeno, J., Nakamura, M., Mishima, Y., Fujiya, M., Tsuchida, K., Hiraoka, S., Okabe, M., Toyonaga, T., Matsuoka, K., Andoh, A., Hirota, Y. & Hisamatsu, T., 2023/10, In: Journal of Gastroenterology. 58, 10, p. 1015-1029 15 p.

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Treatment escalation and de-escalation decisions in Crohn’s disease: Delphi consensus recommendations from Japan, 2021

the TRADE consensus group, 2023/04, In: Journal of Gastroenterology. 58, 4, p. 313-345 33 p.

Research output: Contribution to journal › Review article › peer-review

Open Access

23 Scopus citations

2022

AJM300 (carotegrast methyl), an oral antagonist of α4-integrin, as induction therapy for patients with moderately active ulcerative colitis: a multicentre, randomised, double-blind, placebo-controlled, phase 3 study

AJM300 Study Group, 2022/07, In: The Lancet Gastroenterology and Hepatology. 7, 7, p. 648-657 10 p.

Research output: Contribution to journal › Article › peer-review

59 Scopus citations

A review on the current status and definitions of activity indices in inflammatory bowel disease: how to use indices for precise evaluation

Kishi, M., Hirai, F., Takatsu, N., Hisabe, T., Takada, Y., Beppu, T., Takeuchi, K., Naganuma, M., Ohtsuka, K., Watanabe, K., Matsumoto, T., Esaki, M., Koganei, K., Sugita, A., Hata, K., Futami, K., Ajioka, Y., Tanabe, H., Iwashita, A. & Shimizu, H. & 3 others, Arai, K., Suzuki, Y. & Hisamatsu, T., 2022/04, In: Journal of Gastroenterology. 57, 4, p. 246-266 21 p.

Research output: Contribution to journal › Review article › peer-review

Open Access

41 Scopus citations

Characteristics of adult patients newly diagnosed with Crohn’s disease: interim analysis of the nation-wide inception cohort registry study of patients with Crohn’s disease in Japan (iCREST-CD)

Matsuoka, K., Fujii, T., Okamoto, R., Yamada, A., Kunisaki, R., Matsuura, M., Watanabe, K., Shiga, H., Takatsu, N., Bamba, S., Mikami, Y., Yamamoto, T., Shimoyama, T., Motoya, S., Torisu, T., Kobayashi, T., Ohmiya, N., Saruta, M., Matsuda, K. & Matsumoto, T. & 8 others, Nakase, H., Maemoto, A., Shinzaki, S., Murata, Y., Yoshigoe, S., Sasaki, A., Yajima, T. & Hisamatsu, T., 2022/11, In: Journal of Gastroenterology. 57, 11, p. 867-878 12 p.

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Crohn's Disease and Early Exposure to Thiopurines are Independent Risk Factors for Mosaic Chromosomal Alterations in Patients with Inflammatory Bowel Diseases

MENDEL Study Group, 2022/04/01, In: Journal of Crohn's and Colitis. 16, 4, p. 643-655 13 p.

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Guidelines for endoscopic balloon dilation in treating Crohn's disease-associated small intestinal strictures (supplement to the Clinical Practice Guidelines for Enteroscopy)

Yamamoto, H., Yano, T., Araki, A., Esaki, M., Ohtsuka, K., Ohmiya, N., Oka, S., Nakase, H., Bamba, S., Hirai, F., Hosoe, N., Matsuda, T., Mitsui, K., Watanabe, K., Ogata, H., Katsuki, S., Matsumoto, T., Fujishiro, M., Fujimoto, K. & Inoue, H., 2022/11, In: Digestive Endoscopy. 34, 7, p. 1278-1296 19 p.

Research output: Contribution to journal › Article › peer-review

Open Access

31 Scopus citations

Interim analysis of a multicenter registry study of COVID-19 patients with inflammatory bowel disease in Japan (J-COSMOS)

J-COSMOS group, 2022/03, In: Journal of Gastroenterology. 57, 3, p. 174-184 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

11 Scopus citations

Notable gaps between patients’ and physicians’ perspectives on communication and disease management in Japan: multifaceted ad hoc analyses of the global Ulcerative Colitis Narrative Survey for further optimal care

Watanabe, K., Gardiner, S. & Arai, S., 2022, In: Therapeutic Advances in Gastroenterology. 15

Research output: Contribution to journal › Article › peer-review

Open Access

7 Scopus citations

Potential benefits of immunomodulator use with vedolizumab for maintenance of remission in ulcerative colitis

Naganuma, M., Watanabe, K., Motoya, S., Ogata, H., Matsui, T., Suzuki, Y., Ursos, L., Sakamoto, S., Shikamura, M., Hori, T., Fernandez, J., Watanabe, M., Hibi, T. & Kanai, T., 2022/01, In: Journal of Gastroenterology and Hepatology (Australia). 37, 1, p. 81-88 8 p.

Research output: Contribution to journal › Article › peer-review

Open Access

8 Scopus citations

2021

A nationwide survey concerning the mortality and risk of progressing severity due to arterial and venous thromboembolism in inflammatory bowel disease in Japan

Ando, K., Fujiya, M., Watanabe, K., Hiraoka, S., Shiga, H., Tanaka, S., Iijima, H., Mizushima, T., Kobayashi, T., Nagahori, M., Ikeuchi, H., Kato, S., Torisu, T., Kobayashi, K., Higashiyama, M., Fukui, T., Kagaya, T., Esaki, M., Yanai, S. & Abukawa, D. & 14 others, Naganuma, M., Motoya, S., Saruta, M., Bamba, S., Sasaki, M., Uchiyama, K., Fukuda, K., Suzuki, H., Nakase, H., Shimizu, T., Iizuka, M., Watanabe, M., Suzuki, Y. & Hisamatsu, T., 2021/12, In: Journal of Gastroenterology. 56, 12, p. 1062-1079 18 p.

Research output: Contribution to journal › Article › peer-review

Open Access

8 Scopus citations

Concomitant use of an immunomodulator with ustekinumab as an induction therapy for Crohn's disease: A systematic review and meta-analysis

Yoshihara, T., Shinzaki, S., Amano, T., Iijima, H., Takehara, T., Inoue, N., Uchino, M., Esaki, M., Kobayashi, T., Saruta, M., Sugimoto, K., Nakamura, S., Hata, K., Hirai, F., Hiraoka, S., Fujii, T., Matsuura, M., Matsuoka, K., Watanabe, K. & Nakase, H. & 1 others, Watanabe, M., 2021/07, In: Journal of Gastroenterology and Hepatology (Australia). 36, 7, p. 1744-1753 10 p.

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Discontinuation of infliximab in patients with ulcerative colitis in remission (HAYABUSA): a multicentre, open-label, randomised controlled trial

HAYABUSA Study Group, 2021/06, In: The Lancet Gastroenterology and Hepatology. 6, 6, p. 429-437 9 p.

Research output: Contribution to journal › Article › peer-review

45 Scopus citations

Does anti-tumor necrosis factor alpha prevent the recurrence of Crohn's disease? Systematic review and meta-analysis

Uchino, M., Ikeuchi, H., Hata, K., Minagawa, T., Horio, Y., Kuwahara, R., Nakamura, S., Watanabe, K., Saruta, M., Fujii, T., Kobayashi, T., Sugimoto, K., Hirai, F., Esaki, M., Hiraoka, S., Matsuoka, K., Shinzaki, S., Matsuura, M., Inoue, N. & Nakase, H. & 1 others, Watanabe, M., 2021/04, In: Journal of Gastroenterology and Hepatology (Australia). 36, 4, p. 864-872 9 p.

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Evidence-based clinical practice guidelines for inflammatory bowel disease 2020

Nakase, H., Uchino, M., Shinzaki, S., Matsuura, M., Matsuoka, K., Kobayashi, T., Saruta, M., Hirai, F., Hata, K., Hiraoka, S., Esaki, M., Sugimoto, K., Fuji, T., Watanabe, K., Nakamura, S., Inoue, N., Itoh, T., Naganuma, M., Hisamatsu, T. & Watanabe, M. & 4 others, Miwa, H., Enomoto, N., Shimosegawa, T. & Koike, K., 2021/06, In: Journal of Gastroenterology. 56, 6, p. 489-526 38 p.

Research output: Contribution to journal › Review article › peer-review

Open Access

326 Scopus citations

Intestinal cancer in patients with Crohn's disease: A systematic review and meta-analysis

Uchino, M., Ikeuchi, H., Hata, K., Minagawa, T., Horio, Y., Kuwahara, R., Nakamura, S., Watanabe, K., Saruta, M., Fujii, T., Kobayashi, T., Sugimoto, K., Hirai, F., Esaki, M., Hiraoka, S., Matsuoka, K., Shinzaki, S., Matsuura, M., Inoue, N. & Nakase, H. & 1 others, Watanabe, M., 2021/02, In: Journal of Gastroenterology and Hepatology (Australia). 36, 2, p. 329-336 8 p.

Research output: Contribution to journal › Article › peer-review

31 Scopus citations

Leucine-rich alpha-2 glycoprotein is a potential biomarker to monitor disease activity in inflammatory bowel disease receiving adalimumab: PLANET study

Shinzaki, S., Matsuoka, K., Tanaka, H., Takeshima, F., Kato, S., Torisu, T., Ohta, Y., Watanabe, K., Nakamura, S., Yoshimura, N., Kobayashi, T., Shiotani, A., Hirai, F., Hiraoka, S., Watanabe, M., Matsuura, M., Nishimoto, S., Mizuno, S., Iijima, H. & Takehara, T. & 3 others, Naka, T., Kanai, T. & Matsumoto, T., 2021/06, In: Journal of Gastroenterology. 56, 6, p. 560-569 10 p.

Research output: Contribution to journal › Article › peer-review

Open Access

59 Scopus citations

Potential problems of partial resection for colitis-associated cancer in a patient with ulcerative colitis: Case report

Horio, Y., Uchino, M., Kihara, T., Bando, T., Kuwahara, R., Minagawa, T., Kusunoki, K., Watanabe, K., Hirota, S. & Ikeuchi, H., 2021/03/01, In: Journal of Surgical Case Reports. 2021, 3, rjab086.

Research output: Contribution to journal › Article › peer-review

Open Access

1 Scopus citations

Serologic Response to Messenger RNA Coronavirus Disease 2019 Vaccines in Inflammatory Bowel Disease Patients Receiving Biologic Therapies

ICARUS-IBD Working Group, 2021/08, In: Gastroenterology. 161, 2, p. 715-718.e4

Research output: Contribution to journal › Short survey › peer-review

Open Access

99 Scopus citations

Tag-less patency capsule for suspected small bowel stenosis: Nationwide multicenter prospective study in Japan

J-POP study group, 2021/01, In: Digestive Endoscopy. 33, 1, p. 151-161 11 p.

Research output: Contribution to journal › Article › peer-review

28 Scopus citations

Ulcerative Colitis Narrative Global Survey Findings: The Impact of Living with Ulcerative Colitis-Patients' and Physicians' View

Dubinsky, M. C., Watanabe, K., Molander, P., Peyrin-Biroulet, L., Rubin, M., Melmed, G. Y., Deuring, J. J., Woolcott, J., Cappelleri, J. C., Steinberg, K. & Connor, S., 2021/11/01, In: Inflammatory Bowel Diseases. 27, 11, p. 1747-1755 9 p.

Research output: Contribution to journal › Review article › peer-review

Open Access

29 Scopus citations

Week 2 Symptomatic Response with Vedolizumab as a Predictive Factor in Japanese Anti-TNFα-Naive Patients with Ulcerative Colitis: A post hoc Analysis of a Randomized, Placebo-Controlled Phase 3 Trial

Nagahori, M., Watanabe, K., Motoya, S., Ogata, H., Kanai, T., Matsui, T., Suzuki, Y., Pinton, P., Ursos, L., Sakamoto, S., Shikamura, M., Hori, T., Fernandez, J., Hibi, T. & Watanabe, M., 2021/09/01, In: Digestion. 102, 5, p. 742-752 11 p.

Research output: Contribution to journal › Article › peer-review

Open Access

9 Scopus citations

本邦における小腸狭窄が疑われた患者に対するタグ非搭載パテンシーカプセル検査の全国多施設前向き調査

Translated title of the contribution: Tag-less patency capsule for suspected small bowel stenosis: Nationwide multicenter prospective study in JapanJ-POP study group, 2021, In: Gastroenterological Endoscopy. 63, 10, p. 2242-2252 11 p.

Research output: Contribution to journal › Article › peer-review

2020

Clinical relevance of innovative immunoassays for serum ustekinumab and anti-ustekinumab antibody levels in Crohn's disease

Morita, Y., Imai, T., Bamba, S., Takahashi, K., Inatomi, O., Miyazaki, T., Watanabe, K., Nakamura, S., Yoshida, A., Endo, Y., Ohmiya, N., Tsujikawa, T. & Andoh, A., 2020/07/01, In: Journal of Gastroenterology and Hepatology (Australia). 35, 7, p. 1163-1170 8 p.

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Effects of vedolizumab in Japanese patients with Crohn’s disease: a prospective, multicenter, randomized, placebo-controlled Phase 3 trial with exploratory analyses

Watanabe, K., Motoya, S., Ogata, H., Kanai, T., Matsui, T., Suzuki, Y., Shikamura, M., Sugiura, K., Oda, K., Hori, T., Araki, T., Watanabe, M. & Hibi, T., 2020/03/01, In: Journal of Gastroenterology. 55, 3, p. 291-306 16 p.

Research output: Contribution to journal › Article › peer-review

Open Access

39 Scopus citations

Efficacy of apheresis as maintenance therapy for patients with ulcerative colitis in an open-label prospective multicenter randomised controlled trial

for the CAPTAIN study Group, 2020/04/01, In: Journal of Gastroenterology. 55, 4, p. 390-400 11 p.

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Evidence-based diagnosis and clinical practice guidelines for intestinal Behçet’s disease 2020 edited by Intractable Diseases, the Health and Labour Sciences Research Grants

Watanabe, K., Tanida, S., Inoue, N., Kunisaki, R., Kobayashi, K., Nagahori, M., Arai, K., Uchino, M., Koganei, K., Kobayashi, T., Takeno, M., Ueno, F., Matsumoto, T., Mizuki, N., Suzuki, Y. & Hisamatsu, T., 2020/07/01, In: Journal of Gastroenterology. 55, 7, p. 679-700 22 p.

Research output: Contribution to journal › Article › peer-review

Open Access

61 Scopus citations

Indigo naturalis is effective even in treatment-refractory patients with ulcerative colitis: a post hoc analysis from the INDIGO study

For the INDIGO Study Group, 2020/02/01, In: Journal of Gastroenterology. 55, 2, p. 169-180 12 p.

Research output: Contribution to journal › Article › peer-review

30 Scopus citations

Long-term follow-up of targeted biopsy yield (LOFTY study) in ulcerative colitis surveillance colonoscopy

Hata, K., Ishihara, S., Ajioka, Y., Mitsuyama, K., Watanabe, K., Hanai, H., Kunisaki, R., Nakase, H., Matsuda, K., Iwakiri, R., Hida, N., Tanaka, S., Takeuchi, Y., Shinozaki, M., Ogata, N., Moriichi, K., Hirai, F., Sugihara, K., Hisamatsu, T. & Suzuki, Y. & 2 others, Watanabe, M. & Hibi, T., 2020/07, In: Journal of Clinical Medicine. 9, 7, p. 1-15 15 p., 2286.

Research output: Contribution to journal › Article › peer-review

Open Access

10 Scopus citations

Kenji Watanabe

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