• 15775 Citations
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1992 …2020

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Letter
2020

Human leukocyte antigen DRB1*04:05 and clozapine-induced agranulocytosis/granulocytopenia

Clozapine Pharmacogenomics Consortium of Japan (CPC-J), 01-05-2020, In : Australian and New Zealand Journal of Psychiatry. 54, 5, p. 545-546 2 p.

Research output: Contribution to journalLetter

Vortioxetine vs placebo in major depressive disorder: A systematic review and meta-analysis of double-blind, randomized, placebo-controlled, phase 3 trials in Japan

Kishi, T., Sakuma, K., Okuya, M., Matsuda, Y. & Iwata, N., 01-05-2020, In : Psychiatry and clinical neurosciences. 74, 5, p. 330-332 3 p.

Research output: Contribution to journalLetter

2019

GWAS of smoking behaviour in 165,436 Japanese people reveals seven new loci and shared genetic architecture

Matoba, N., Akiyama, M., Ishigaki, K., Kanai, M., Takahashi, A., Momozawa, Y., Ikegawa, S., Ikeda, M., Iwata, N., Hirata, M., Matsuda, K., Kubo, M., Okada, Y. & Kamatani, Y., 01-05-2019, In : Nature Human Behaviour. 3, 5, p. 471-477 7 p.

Research output: Contribution to journalLetter

4 Citations (Scopus)

Identification of 28 new susceptibility loci for type 2 diabetes in the Japanese population

Suzuki, K., Akiyama, M., Ishigaki, K., Kanai, M., Hosoe, J., Shojima, N., Hozawa, A., Kadota, A., Kuriki, K., Naito, M., Tanno, K., Ishigaki, Y., Hirata, M., Matsuda, K., Iwata, N., Ikeda, M., Sawada, N., Yamaji, T., Iwasaki, M., Ikegawa, S. & 12 others, Maeda, S., Murakami, Y., Wakai, K., Tsugane, S., Sasaki, M., Yamamoto, M., Okada, Y., Kubo, M., Kamatani, Y., Horikoshi, M., Yamauchi, T. & Kadowaki, T., 01-03-2019, In : Nature Genetics. 51, 3, p. 379-386 8 p.

Research output: Contribution to journalLetter

15 Citations (Scopus)

Response to the Letter from Dr. Jacob Peedicayil

Sakuma, K., Kishi, T. & Iwata, N., 01-04-2019, In : Psychopharmacology. 236, 4, p. 1403-1404 2 p.

Research output: Contribution to journalLetter

2018

Response to the letter from Dr. Kim and colleagues

Kishi, T., Nomura, I., Ikuta, T. & Iwata, N., 05-2018, In : Psychiatry Research. 263, p. 291-292 2 p.

Research output: Contribution to journalLetter

2017

Optimizing outcomes in clozapine rechallenge following neutropenia using human leukocyte antigen typing: A case report

Yamaki, N., Hishimoto, A., Otsuka, I., Sasada, T., Boku, S., Saito, T., Yasuda, Y., Yamamori, H., Ikeda, M., Ikeda, M., Sora, I., Iwata, N. & Hashimoto, R., 01-04-2017, In : Psychiatry and clinical neurosciences. 71, 4, p. 289-290 2 p.

Research output: Contribution to journalLetter

5 Citations (Scopus)

Reliability and validity of the California Verbal Learning Test-II – Japanese version

Sumiyoshi, T., Toyomaki, A., Kawano, N., Kitajima, T., Kusumi, I., Ozaki, N., Iwata, N. & Nakagome, K., 06-2017, In : Psychiatry and clinical neurosciences. 71, 6, p. 417-418 2 p.

Research output: Contribution to journalLetter

2 Citations (Scopus)

Response to the letter from Dr. Veerman and colleagues

Kishi, T., Ikuta, T., Matsuda, Y. & Iwata, N., 01-12-2017, In : Psychopharmacology. 234, 23-24, p. 3537-3538 2 p.

Research output: Contribution to journalLetter

Transethnic Replication Study to Assess the Association Between Clozapine-Induced Agranulocytosis/Granulocytopenia and Genes at 12p12.2 in a Japanese Population

Members of the Clozapine Pharmacogenomics Consortium of Japan are the following, 01-07-2017, In : Biological Psychiatry. 82, 1, p. e9-e10

Research output: Contribution to journalLetter

3 Citations (Scopus)

Verbal memory impairments in bipolar disorder: Effect of type of word learning tasks

Sumiyoshi, T., Toyomaki, A., Kawano, N., Kitajima, T., Kusumi, I., Ozaki, N., Iwata, N., Sueyoshi, K. & Nakagome, K., 08-2017, In : Psychiatry and clinical neurosciences. 71, 8, p. 570-571 2 p.

Research output: Contribution to journalLetter

2 Citations (Scopus)
2016

Genome-wide environment interaction between depressive state and stressful life events

Ikeda, M., Shimasaki, A., Takahashi, A., Kondo, K., Saito, T., Kawase, K., Esaki, K., Otsuka, Y., Mano, K., Kubo, M. & Iwata, N., 01-2016, In : Journal of Clinical Psychiatry. 77, 1, p. e29-e30

Research output: Contribution to journalLetter

12 Citations (Scopus)

Identification of a rare variant in CHD8 that contributes to schizophrenia and autism spectrum disorder susceptibility

Kimura, H., Wang, C., Ishizuka, K., Xing, J., Takasaki, Y., Kushima, I., Aleksic, B., Uno, Y., Okada, T., Ikeda, M., Mori, D., Inada, T., Iwata, N. & Ozaki, N., 01-12-2016, In : Schizophrenia Research. 178, 1-3, p. 104-106 3 p.

Research output: Contribution to journalLetter

10 Citations (Scopus)

Polygenetic components for schizophrenia, bipolar disorder and rheumatoid arthritis predict risk of schizophrenia

Ohi, K., Kikuchi, M., Ikeda, M., Yamamori, H., Yasuda, Y., Fujimoto, M., Fujino, H., Miura, K., Fukunaga, M., Nakaya, A., Iwata, N. & Hashimoto, R., 01-08-2016, In : Schizophrenia Research. 175, 1-3, p. 226-229 4 p.

Research output: Contribution to journalLetter

7 Citations (Scopus)
2015

Genetic overlap between antipsychotic response and susceptibility to schizophrenia

Ikeda, M., Yoshimura, R., Hashimoto, R., Kondo, K., Saito, T., Shimasaki, A., Ohi, K., Tochigi, M., Kawamura, Y., Nishida, N., Miyagawa, T., Sasaki, T., Tokunaga, K., Kasai, K., Takeda, M., Nakamura, J., Ozaki, N. & Iwata, N., 01-02-2015, In : Journal of Clinical Psychopharmacology. 35, 1, p. 85-88 4 p.

Research output: Contribution to journalLetter

7 Citations (Scopus)

No support for replication of the genetic variants identified by a recent mega-analysis of the treatment response to antidepressants

Hatano, M., Ikeda, M., Kondo, K., Saito, T., Shimasaki, A., Esaki, K., Umene-Nakano, W., Yoshimura, R., Nakamura, J., Ozaki, N. & Iwata, N., 26-06-2015, In : Journal of Human Genetics. 60, 6, p. 343-344 2 p.

Research output: Contribution to journalLetter

2014

Genetic risk variants of schizophrenia associated with left superior temporal gyrus volume

Ohi, K., Hashimoto, R., Ikeda, M., Yamashita, F., Fukunaga, M., Nemoto, K., Ohnishi, T., Yamamori, H., Yasuda, Y., Fujimoto, M., Umeda-Yano, S., Watanabe, Y., Iwata, N., Weinberger, D. R. & Takeda, M., 09-2014, In : Cortex. 58, p. 23-26 4 p.

Research output: Contribution to journalLetter

12 Citations (Scopus)

No significant association between brain-derived neurotrophic factor gene rs6265 and cognitive function in Japanese patients with schizophrenia

Kishi, T., Fukuo, Y., Moriwaki, M., Iwata, N., Hori, H., Yoshimura, R., Katsuki, A., Ikenouchi-Sugita, A., Atake, K., Umene-Nakano, W., Nakamura, J., Kaneda, Y. & Fujita, K., 30-03-2014, In : Psychiatry Research. 215, 3, p. 803-805 3 p.

Research output: Contribution to journalLetter

1 Citation (Scopus)

Periodic abdominal movements.

Esaki, Y., Kitajima, T., Tsuchiya, A., Hirose, M., Torii, Y., Fujita, S. & Iwata, N., 02-2014, In : Psychiatry and clinical neurosciences. 68, 2, 1 p.

Research output: Contribution to journalLetter

1 Citation (Scopus)

The position of blonanserin as a treatment for schizophrenia

Kishi, T., Matsuda, Y. & Iwata, N., 01-12-2014, In : Asia-Pacific Psychiatry. 6, 4, 1 p.

Research output: Contribution to journalLetter

3 Citations (Scopus)

Variant GADL1 and response to lithium in bipolar I disorder[2]

Ikeda, M., Kondo, K. & Iwata, N., 01-01-2014, In : New England Journal of Medicine. 370, 19, p. 1856-1857 2 p.

Research output: Contribution to journalLetter

6 Citations (Scopus)
2013

An association analysis of the cardiomyopathy-associated 5 (CMYA5) gene with schizophrenia in a Japanese population

Furukawa, M., Tochigi, M., Otowa, T., Arinami, T., Inada, T., Ujike, H., Watanabe, Y., Iwata, N., Itokawa, M., Kunugi, H., Hashimoto, R., Ozaki, N., Kakiuchi, C., Kasai, K. & Sasaki, T., 01-08-2013, In : Psychiatric Genetics. 23, 4, p. 179-180 2 p.

Research output: Contribution to journalLetter

6 Citations (Scopus)
17 Citations (Scopus)

Efficacy and tolerability of high dose olanzapine in Japanese patients with treatment-resistant schizophrenia

Kishi, T., Suzuki, T., Sekiguchi, H., Moriwaki, M., Okuda, A., Mekata, T., Hattori, M., Tsunoka, T., Chekuri, R., Musso, G. M., Fujita, K. & Iwata, N., 01-02-2013, In : Asian Journal of Psychiatry. 6, 1, p. 86-87 2 p.

Research output: Contribution to journalLetter

4 Citations (Scopus)

Further evidence of an association between a genetic variant in BMP7 and treatment response to SSRIs in major depressive disorder

Esaki, K., Kondo, K., Hatano, M., Saito, T., Kishi, T., Umene-Nakano, W., Yoshimura, R., Nakamura, J., Ozaki, N., Ikeda, M. & Iwata, N., 01-08-2013, In : Journal of Human Genetics. 58, 8, p. 568-569 2 p.

Research output: Contribution to journalLetter

1 Citation (Scopus)

Genetic evidence for association between NOTCH4 and schizophrenia supported by a GWAS follow-up study in a Japanese population

Ikeda, M., Aleksic, B., Yamada, K., Iwayama-Shigeno, Y., Matsuo, K., Numata, S., Watanabe, Y., Ohnuma, T., Kaneko, T., Fukuo, Y., Okochi, T., Toyota, T., Hattori, E., Shimodera, S., Itakura, M., Nunokawa, A., Shibata, N., Tanaka, H., Yoneda, H., Arai, H. & 5 others, Someya, T., Ohmori, T., Yoshikawa, T., Ozaki, N. & Iwata, N., 01-06-2013, In : Molecular Psychiatry. 18, 6, p. 636-638 3 p.

Research output: Contribution to journalLetter

26 Citations (Scopus)

Genome-wide association study of cognitive decline in schizophrenia

Hashimoto, R., Ikeda, M., Ohi, K., Yasuda, Y., Yamamori, H., Fukumoto, M., Umeda-Yano, S., Dickinson, D., Aleksic, B., Iwase, M., Kazui, H., Ozaki, N., Weinberger, D. R., Iwata, N. & Takeda, M., 01-06-2013, In : American Journal of Psychiatry. 170, 6, p. 683-684 2 p.

Research output: Contribution to journalLetter

32 Citations (Scopus)

Replication in a Japanese population that a MIR30E gene variation is associated with schizophrenia

Watanabe, Y., Iijima, Y., Egawa, J., Nunokawa, A., Kaneko, N., Arinami, T., Ujike, H., Inada, T., Iwata, N., Kunugi, H., Itokawa, M., Sasaki, T., Ozaki, N., Hashimoto, R., Shibuya, M., Igeta, H. & Someya, T., 01-11-2013, In : Schizophrenia Research. 150, 2-3, p. 596-597 2 p.

Research output: Contribution to journalLetter

9 Citations (Scopus)
2012

A two-stage case-control association study between the tryptophan hydroxylase 2 (TPH2) gene and schizophrenia in a Japanese population

Watanabe, Y., Egawa, J., Iijima, Y., Nunokawa, A., Kaneko, N., Shibuya, M., Arinami, T., Ujike, H., Inada, T., Iwata, N., Tochigi, M., Kunugi, H., Itokawa, M., Ozaki, N., Hashimoto, R. & Someya, T., 01-05-2012, In : Schizophrenia Research. 137, 1-3, p. 264-266 3 p.

Research output: Contribution to journalLetter

3 Citations (Scopus)
2010

No association between DAO and schizophrenia in a Japanese patient population: A multicenter replication study

Ohnuma, T., Shibata, N., Baba, H., Ohi, K., Yasuda, Y., Nakamura, Y., Okochi, T., Naitoh, H., Hashimoto, R., Iwata, N., Ozaki, N., Takeda, M. & Arai, H., 01-05-2010, In : Schizophrenia Research. 118, 1-3, p. 300-302 3 p.

Research output: Contribution to journalLetter

4 Citations (Scopus)
2008

Large-scale case-control study of a functional polymorphism in the glutamate receptor, metabotropic 3 gene in patients with schizophrenia

Nunokawa, A., Watanabe, Y., Kitamura, H., Kaneko, N., Arinami, T., Ujike, H., Inada, T., Iwata, N., Kunugi, H., Itokawa, M., Ozaki, N. & Someya, T., 01-04-2008, In : Psychiatry and clinical neurosciences. 62, 2, p. 239-240 2 p.

Research output: Contribution to journalLetter

4 Citations (Scopus)

Replication study for associations between polymorphisms in the CLDN5 and DGCR2 genes in the 22q11 deletion syndrome region and schizophrenia

Ishiguro, H., Imai, K., Koga, M., Horiuchi, Y., Inada, T., Iwata, N., Ozaki, N., Ujike, H., Itokawa, M., Kunugi, H., Sasaki, T., Watanabe, Y., Someya, T. & Arinami, T., 01-10-2008, In : Psychiatric Genetics. 18, 5, p. 255-256 2 p.

Research output: Contribution to journalLetter

9 Citations (Scopus)
2007

Support for association of the PPP3CC gene with schizophrenia [1]

Horiuchi, Y., Ishiguro, H., Koga, M., Inada, T., Iwata, N., Ozaki, N., Ujike, H., Muratake, T., Someya, T. & Arinami, T., 01-10-2007, In : Molecular Psychiatry. 12, 10, p. 891-893 3 p.

Research output: Contribution to journalLetter

31 Citations (Scopus)
2005

A missense polymorphism (H204R) of a Rho GTPase-activating protein, the chimerin 2 gene, is associated with schizophrenia in men [6]

Hashimoto, R., Yoshida, M., Ozaki, N., Yamanouchi, Y., Iwata, N., Suzuki, T., Kitajima, T., Tatsumi, M., Kamijima, K. & Kunugi, H., 01-03-2005, In : Schizophrenia Research. 73, 2-3, p. 383-385 3 p.

Research output: Contribution to journalLetter

21 Citations (Scopus)