| Nociplastic pain: towards an understanding of prevalent pain conditions MA Fitzcharles, SP Cohen, DJ Clauw, G Littlejohn, C Usui, W Häuser The Lancet 397 (10289), 2098-2110, 2021 | 959 | 2021 |
| Fibromyalgia W Häuser, J Ablin, MA Fitzcharles, G Littlejohn, JV Luciano, C Usui, ... Nature reviews Disease primers 1 (1), 1-16, 2015 | 567 | 2015 |
| Preventive effects of ramelteon on delirium: a randomized placebo-controlled trial K Hatta, Y Kishi, K Wada, T Takeuchi, T Odawara, C Usui, H Nakamura JAMA psychiatry 71 (4), 397-403, 2014 | 433 | 2014 |
| Preventive effects of suvorexant on delirium: a randomized placebo-controlled trial K Hatta, Y Kishi, K Wada, T Takeuchi, S Ito, A Kurata, K Murakami, ... The Journal of clinical psychiatry 78 (8), 15559, 2017 | 126 | 2017 |
| Antipsychotics for delirium in the general hospital setting in consecutive 2453 inpatients: a prospective observational study K Hatta, Y Kishi, K Wada, T Odawara, T Takeuchi, T Shiganami, ... International journal of geriatric psychiatry 29 (3), 253-262, 2014 | 101 | 2014 |
| An epidemiologic internet survey of fibromyalgia and chronic pain in Japan I Nakamura, K Nishioka, C Usui, K Osada, H Ichibayashi, M Ishida, ... Arthritis care & research 66 (7), 1093-1101, 2014 | 93 | 2014 |
| Exanthem subitum-associated encephalitis: nationwide survey in Japan T Yoshikawa, M Ohashi, F Miyake, A Fujita, C Usui, K Sugata, S Suga, ... Pediatric neurology 41 (5), 353-358, 2009 | 87 | 2009 |
| The E3 ligase synoviolin controls body weight and mitochondrial biogenesis through negative regulation of PGC‐1β H Fujita, N Yagishita, S Aratani, T Saito‐Fujita, S Morota, Y Yamano, ... The EMBO journal 34 (8), 1042-1055, 2015 | 83 | 2015 |
| Maximal response to electroconvulsive therapy for the treatment of catatonic symptoms K Hatta, K Miyakawa, T Ota, C Usui, H Nakamura, H Arai The Journal of ECT 23 (4), 233-235, 2007 | 81 | 2007 |
| A randomized, double-blind, multicenter, placebo-controlled phase III trial to evaluate the efficacy and safety of pregabalin in Japanese patients with fibromyalgia H Ohta, H Oka, C Usui, M Ohkura, M Suzuki, K Nishioka Arthritis research & therapy 14, 1-10, 2012 | 79 | 2012 |
| Irreversible subcortical dementia following high altitude illness C Usui, Y Inoue, M Kimura, E Kirino, S Nagaoka, M Abe, T Nagata, H Arai High Altitude Medicine & Biology 5 (1), 77-81, 2004 | 72 | 2004 |
| Improvements in both psychosis and motor signs in Parkinson's disease, and changes in regional cerebral blood flow after electroconvulsive therapy C Usui, K Hatta, N Doi, S Kubo, R Kamigaichi, A Nakanishi, H Nakamura, ... Progress in Neuro-Psychopharmacology and Biological Psychiatry 35 (7), 1704-1708, 2011 | 70 | 2011 |
| Real-world effectiveness of ramelteon and suvorexant for delirium prevention in 948 patients with delirium risk factors K Hatta, Y Kishi, K Wada, T Takeuchi, N Hashimoto, K Suda, T Taira, ... The Journal of Clinical Psychiatry 81 (1), 16601, 2019 | 63 | 2019 |
| Electroconvulsive therapy improves severe pain associated with fibromyalgia C Usui, N Doi, M Nishioka, H Komatsu, R Yamamoto, T Ohkubo, ... Pain 121 (3), 276-280, 2006 | 63 | 2006 |
| Effectiveness of second-generation antipsychotics with acute-phase schizophrenia K Hatta, K Sato, H Hamakawa, H Takebayashi, N Kimura, S Ochi, Y Sudo, ... Schizophrenia research 113 (1), 49-55, 2009 | 59 | 2009 |
| Difference in early prediction of antipsychotic non-response between risperidone and olanzapine in the treatment of acute-phase schizophrenia K Hatta, T Otachi, Y Sudo, T Hayakawa, Y Ashizawa, H Takebayashi, ... Schizophrenia research 128 (1-3), 127-135, 2011 | 42 | 2011 |
| The Japanese version of the 2010 American College of Rheumatology preliminary diagnostic criteria for fibromyalgia and the fibromyalgia symptom scale: reliability and validity C Usui, K Hatta, S Aratani, N Yagishita, K Nishioka, T Kanazawa, K Ito, ... Modern rheumatology 22 (1), 40-44, 2012 | 41 | 2012 |
| Olanzapine orally disintegrating tablet vs. risperidone oral solution in the treatment of acutely agitated psychotic patients K Hatta, T Kawabata, K Yoshida, H Hamakawa, T Wakejima, K Furuta, ... General hospital psychiatry 30 (4), 367-371, 2008 | 40 | 2008 |
| Brain perfusion in fibromyalgia patients and its differences between responders and poor responders to gabapentin C Usui, K Hatta, N Doi, A Nakanishi, H Nakamura, K Nishioka, H Arai Arthritis research & therapy 12, 1-10, 2010 | 39 | 2010 |
| The Japanese version of the modified ACR preliminary diagnostic criteria for fibromyalgia and the fibromyalgia symptom scale: reliability and validity C Usui, K Hatta, S Aratani, N Yagishita, K Nishioka, T Kanazawa, K Itoh, ... Modern rheumatology 23, 846-850, 2013 | 38 | 2013 |
