Publications by authors named "Ryoki Hara"

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Intolerance of oral methotrexate in juvenile idiopathic arthritis.
Ai Yuda, Tomo Nozawa, Seira Hattori, Ayako Murase, Kenichi Nishimura, Ryoki Hara

Pediatr Int· June 2025

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Long-term efficacy and safety of canakinumab in the treatment of systemic juvenile idiopathic arthritis in Japanese patients: Results from an open-label Phase III study.
Naomi Iwata, Kenichi Nishimura, Ryoki Hara, Tomoyuki Imagawa, Masaki Shimizu

Mod Rheumatol· November 2023

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Epidemiology conduction of paediatric rheumatic diseases based on the registry database of the Pediatric Rheumatology Association of Japan.
Hidehiko Narazaki, Shinji Akioka, Yuko Akutsu, Mariko Araki, Mikiya Fujieda, Daisuke Fukuhara, Ryoki Hara

Mod Rheumatol· August 2023

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Characteristics of persistent arthritis with refractory Kawasaki disease: a single-center retrospective study.
Seira Hattori, Tomo Nozawa, Kenichi Nishimura, Ryoki Hara, Ayako Murase, Asami Ohara

Sci Rep· June 2023

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Impaired Interleukin-18 Signaling in Natural Killer Cells From Patients With Systemic Juvenile Idiopathic Arthritis.
Takashi Ohya, Kenichi Nishimura, Ayako Murase, Seira Hattori, Asami Ohara, Ryoki Hara

ACR Open Rheumatol· June 2022

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Clinical practice guidance for Sjögren's syndrome in pediatric patients (2018) - summarized and updated.
Minako Tomiita, Ichiro Kobayashi, Yasuhiko Itoh, Yuzaburo Inoue, Naomi Iwata, Ryoki Hara

Mod Rheumatol· March 2021

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Efficacy and safety of canakinumab in systemic juvenile idiopathic arthritis: 48-week results from an open-label phase III study in Japanese patients.
Kenichi Nishimura, Ryoki Hara, Hiroaki Umebayashi, Syuji Takei, Naomi Iwata

Mod Rheumatol· January 2021

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Long-term efficacy and safety of tocilizumab in refractory Takayasu arteritis: final results of the randomized controlled phase 3 TAKT study.
Yoshikazu Nakaoka, Mitsuaki Isobe, Yoshiya Tanaka, Tomonori Ishii, Seido Ooka, Ryoki Hara

Rheumatology (Oxford)· September 2020

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Utility of the EULAR Sjögren syndrome disease activity index in Japanese children: a retrospective multicenter cohort study.
Naomi Iwata, Minako Tomiita, Ichiro Kobayashi, Yusaburo Inoue, Yukiko Nonaka, Ryoki Hara

Pediatr Rheumatol Online J· September 2020

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Clinical significance of subcutaneous fat and fascial involvement in juvenile dermatomyositis.
Nodoka Sakurai, Ayako Hino-Shishikura, Tomo Nozawa, Hiroyuki Kamide, Asami Ohara, Ryoki Hara

Mod Rheumatol· September 2019

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Primary varicella infection in children with systemic juvenile idiopathic arthritis under tocilizumab therapy.
Tomo Nozawa, Kenichi Nishimura, Asami Ohara, Ryoki Hara, Shuichi Ito

Mod Rheumatol· May 2019

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Clinical features and characteristics of uveitis associated with juvenile idiopathic arthritis in Japan: first report of the pediatric rheumatology association of Japan (PRAJ).
Junko Yasumura, Masato Yashiro, Nami Okamoto, Kosuke Shabana, Hiroaki Umebayashi, Ryoki Hara

Pediatr Rheumatol Online J· April 2019

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Intravenous abatacept in Japanese patients with polyarticular-course juvenile idiopathic arthritis: results from a phase III open-label study.
Ryoki Hara, Hiroaki Umebayashi, Syuji Takei, Nami Okamoto, Naomi Iwata

Pediatr Rheumatol Online J· April 2019

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Canakinumab for the Treatment of Autoinflammatory Recurrent Fever Syndromes.
Fabrizio De Benedetti, Marco Gattorno, Jordi Anton, Eldad Ben-Chetrit, Joost Frenkel, Ryoki Hara

N Engl J Med· May 2018

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Characteristics of FDG-PET findings in the diagnosis of systemic juvenile idiopathic arthritis.
Taichi Kanetaka, Masaaki Mori, Ken-Ichi Nishimura, Tomo Nozawa, Masako Kikuchi, Ryoki Hara

Mod Rheumatol· December 2016

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A national survey on current use of mycophenolate mofetil for childhood-onset systemic lupus erythematosus in Japan.
Ryoki Hara, Hirotaka Miyazawa, Kenichi Nishimura, Takahiro Momoi, Tomo Nozawa

Mod Rheumatol· September 2016

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Usefulness of two interferon-γ release assays for rheumatic disease.
Tomo Nozawa, Masaaki Mori, Kenichi Nishimura, Nodoka Sakurai, Masako Kikuchi, Ryoki Hara

Pediatr Int· May 2016

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Pathogenesis of systemic inflammatory diseases in childhood: "Lessons from clinical trials of anti-cytokine monoclonal antibodies for Kawasaki disease, systemic onset juvenile idiopathic arthritis, and cryopyrin-associated periodic fever syndrome".
Shumpei Yokota, Masako Kikuchi, Tomo Nozawa, Taichi Kanetaka, Tomomi Sato, Ryoki Hara

Mod Rheumatol· January 2015

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Discrepancy between clinical and radiological responses to tocilizumab treatment in patients with systemic-onset juvenile idiopathic arthritis.
Chie Aoki, Yutaka Inaba, Hyonmin Choe, Utako Kaneko, Ryoki Hara

J Rheumatol· June 2014

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Analysis of gender differences in genetic risk: association of TNFAIP3 polymorphism with male childhood-onset systemic lupus erythematosus in the Japanese population.
Keisuke Kadota, Masaaki Mori, Masakatsu Yanagimachi, Takako Miyamae, Takuma Hara, Ryoki Hara

PLoS One· April 2014

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Radiologic analysis of the effect of tocilizumab on hands and large joints in children with systemic juvenile idiopathic arthritis.
Yutaka Inaba, Remi Ozawa, Chie Aoki, Tomoyuki Imagawa, Masaaki Mori, Ryoki Hara

Mod Rheumatol· July 2013

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Clinical analysis of 50 children with juvenile dermatomyositis.
Takayuki Kishi, Takako Miyamae, Ryoki Hara, Shoko Nakajima, Tomoyuki Imagawa

Mod Rheumatol· March 2013

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Safety and response to influenza vaccine in patients with systemic-onset juvenile idiopathic arthritis receiving tocilizumab.
Toshihiko Shinoki, Ryoki Hara, Utako Kaneko, Takako Miyamae, Tomoyuki Imagawa

Mod Rheumatol· November 2012

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Definitive differences in laboratory and radiological characteristics between two subtypes of juvenile idiopathic arthritis: systemic arthritis and polyarthritis.
Remi Ozawa, Yutaka Inaba, Masaaki Mori, Ryoki Hara, Masako Kikuchi

Mod Rheumatol· August 2012

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Efficacy and limitation of infliximab treatment for children with Kawasaki disease intractable to intravenous immunoglobulin therapy: report of an open-label case series.
Masaaki Mori, Tomoyuki Imagawa, Ryoki Hara, Masako Kikuchi, Takuma Hara

J Rheumatol· April 2012

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