Tomihisa Niitsu

Tomihisa Niitsu

Chiba University

H-index: 22

Asia-Japan

About Tomihisa Niitsu

Tomihisa Niitsu, With an exceptional h-index of 22 and a recent h-index of 19 (since 2020), a distinguished researcher at Chiba University, specializes in the field of psychiarty.

His recent articles reflect a diverse array of research interests and contributions to the field:

Association between mental health social worker staffing in psychiatric emergency wards and readmission outcomes: A nationwide survey in Japan

Association of SLC6A3 variants with treatment-resistant schizophrenia: a genetic association study of dopamine-related genes in schizophrenia

An international comparison study between public opinion in the UK and Japan regarding capital punishment and the use of an insanity defense

Current practice for clozapine-induced leukopenia in Japanese psychiatric hospitals: A nationwide survey

Association between precautionary behaviors against coronavirus disease and psychosocial factors in outpatients with a pre‐existing disease and their attendants

Taq1A polymorphism in patients with bipolar disorder: A candidate gene study based on the dopamine hypothesis

Diagnosis and treatment initiation for ADHD may require careful assessment: a chart review of an advanced psychiatric hospital in Japan

Japanese youth athletes’ mental health and psychological resilience during the COVID-19 pandemic: A cross-sectional study.

Tomihisa Niitsu Information

University

Position

Graduate School of Medicine Department of Psychiatry

Citations(all)

1952

Citations(since 2020)

1030

Cited By

1301

hIndex(all)

22

hIndex(since 2020)

19

i10Index(all)

40

i10Index(since 2020)

33

Email

University Profile Page

Chiba University

Google Scholar

View Google Scholar Profile

Tomihisa Niitsu Skills & Research Interests

psychiarty

Top articles of Tomihisa Niitsu

Title

Journal

Author(s)

Publication Date

Association between mental health social worker staffing in psychiatric emergency wards and readmission outcomes: A nationwide survey in Japan

Psychiatry and Clinical Neurosciences Reports

Kosuke Suzuki

Tomihisa Niitsu

Hiroshi Kimura

Yuta Yanagisawa

Marina Ono

...

2024/6

Association of SLC6A3 variants with treatment-resistant schizophrenia: a genetic association study of dopamine-related genes in schizophrenia

Frontiers in Psychiatry

Masanobu Kogure

Nobuhisa Kanahara

Atsuhiro Miyazawa

Yuki Shiko

Ikuo Otsuka

...

2024/2/27

An international comparison study between public opinion in the UK and Japan regarding capital punishment and the use of an insanity defense

Ethics, Medicine and Public Health

Akihiro Shiina

Tomihisa Niitsu

Aika Tomoto

Yoshito Igarashi

Eiji Shimizu

...

2024/1/1

Current practice for clozapine-induced leukopenia in Japanese psychiatric hospitals: A nationwide survey

Schizophrenia Research

Tomihisa Niitsu

Norio Yasui-Furukori

Ken Inada

Tetsufumi Kanazawa

Masaomi Iyo

...

2023/10/28

Association between precautionary behaviors against coronavirus disease and psychosocial factors in outpatients with a pre‐existing disease and their attendants

Psychiatry and Clinical Neurosciences Reports

Keita Idemoto

Tomihisa Niitsu

Akihiro Shiina

Osamu Kobori

Misaki Onodera

...

2023/9

Taq1A polymorphism in patients with bipolar disorder: A candidate gene study based on the dopamine hypothesis

Psychiatry Research Communications

Kiyomitsu Ota

Tomihisa Niitsu

Kengo Oishi

Keita Idemoto

Maria Kato

...

2023/6/1

Diagnosis and treatment initiation for ADHD may require careful assessment: a chart review of an advanced psychiatric hospital in Japan

Neuroscience Applied

K Suzuki

T Niitsu

M Kato

M Iyo

2023/1/1

Japanese youth athletes’ mental health and psychological resilience during the COVID-19 pandemic: A cross-sectional study.

Sports Psychiatry: Journal of Sports and Exercise Psychiatry

Fumiaki Yano

Yusuke Nakata

Tomihisa Niitsu

Masaomi Iyo

2023/11/15

Feasibility of guided internet-based cognitive behavioral therapy for patients with anorexia nervosa

Internet Interventions

Sayo Hamatani

Kazuki Matsumoto

Jumpei Takahashi

Yuki Shiko

Yoshihito Ozawa

...

2022/3/1

Ifenprodil tartrate treatment of adolescents with post-traumatic stress disorder: A double-blind, placebo-controlled trial

Psychiatry research

Tsuyoshi Sasaki

Kenji Hashimoto

Tomihisa Niitsu

Yutaka Hosoda

Yasunori Oda

...

2022/5/1

Serum levels of glial cell line-derived neurotrophic factor as a biomarker for mood disorders and lithium response

Psychiatry Research

Keita Idemoto

Tomihisa Niitsu

Tatsuki Hata

Tamaki Ishima

Sumiko Yoshida

...

2021/7/1

Association between serum levels of glial cell line-derived neurotrophic factor and inattention in adult patients with attention deficits/hyperactivity disorder

Psychiatry Research

Tomihisa Niitsu

Yasunori Oda

Keita Idemoto

Kiyomitsu Ota

Jing Liu

...

2021/2/1

Oxytocin system dysfunction in patients with treatment-resistant schizophrenia: Alterations of blood oxytocin levels and effect of a genetic variant of OXTR

Journal of Psychiatric Research

Yusuke Nakata

Nobuhisa Kanahara

Atsushi Kimura

Tomihisa Niitsu

Hideki Komatsu

...

2021/6/1

Upregulation of heat-shock protein HSP-70 and glutamate transporter-1/glutamine synthetase in the striatum and hippocampus in haloperidol-induced dopamine-supersensitivity …

Pharmacology Biochemistry and Behavior

Makoto Kimura

Yasunori Oda

Yuki Hirose

Hiroshi Kimura

Kouhei Yoshino

...

2021/12/1

Need for self-medication using over-the-counter psychoactive agents: A national survey in Japan

Plos one

Akihiro Shiina

Tomihisa Niitsu

Masaomi Iyo

2021/1/25

Perception of and anxiety about COVID-19 infection and risk behaviors for spreading infection: an international comparison

Annals of General Psychiatry

Akihiro Shiina

Tomihisa Niitsu

Osamu Kobori

Keita Idemoto

Tasuku Hashimoto

...

2021/12

Genetic risks of schizophrenia identified in a matched case–control study

European Archives of Psychiatry and Clinical Neuroscience

Kengo Oishi

Tomihisa Niitsu

Nobuhisa Kanahara

Yasunori Sato

Yoshimi Iwayama

...

2021/6

Serum levels of brain-derived neurotrophic factor in patients with obsessive-compulsive disorder in a Japanese population

Fertility and Sterility

I Ramer

TT Kanninen

G Sisti

SS Witkin

SD Spandorfer

2015/9/1

Police Officers' Perception of Mentally Disordered People: A National Survey in Japan

Akihiro Shiina

Tomihisa Niitsu

Aika Tomoto

Masaomi Iyo

Eiji Shimizu

...

2021/9/7

Reduction of dopamine and glycogen synthase kinase-3 signaling in rat striatum after continuous administration of haloperidol

Pharmacology Biochemistry and Behavior

Makoto Kimura

Yasunori Oda

Hiroshi Kimura

Masahito Nangaku

Yuki Hirose

...

2021/3/1

See List of Professors in Tomihisa Niitsu University(Chiba University)