Overview
Submission Instructions
Recent Publications
Frequently Asked Questions
Research Topics
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RI
Respiratory Investigation is the official English-language journal of the Japanese Respiratory Society. It publishes original manuscripts on clinical investigations of respiratory diseases and medicines, along with articles on basic physiology, pathology, and cellular and molecular biology relating to pulmonary diseases, with particular interest in disease diversity based on genetic and environmental differences between East and West.
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Subject
Respiratory System
Impact Factor
2
Quartile
Q3
Open Access Type
Hybrid
ISSN
2212-5345
eISSN
2212-5353
Invitation Only
No
Cost Range
Open Access Article Publishing Charge (APC): USD 3,000 (excluding taxes); subscription publication has no publication fee charged to authors
Submission Instructions
Respiratory Investigation accepts the following article types. Click on an article type to view submission instructions.
Original Article
Cover Letter
Cover Letter requirements are not specified.
Abstract
Abstract is required. Abstract must be less than 250 words. Abstract must be structured. Abstract must include the headings Background, Methods, Results, and Conclusions.
Manuscript
Main text must be less than 3,000 words excluding tables, figures, and references. Manuscript must be presented in the following order: Title page, Abstract and keywords, Text, Disclosure, Funding, Author Contributions, Conflict of interest, Acknowledgments, References, List of supporting information, Figure captions, Tables, Figures. Manuscript must include 4 to 5 keywords after the abstract and, if generative AI was used in manuscript preparation, a declaration in a new section before the references.
References
References must be within 50. References must be cited using numbered square brackets. Reference list must be numbered in the order of appearance in the text, and references with more than 6 authors must list the first 6 followed by 'et al.'.
Figures & Tables
Tables and figures must total no more than 8 combined. Tables may be placed next to the relevant text or on separate pages at the end, figures must be submitted as separate files, and figure captions must be supplied separately. Tables must be submitted as editable text rather than images.
Review
Cover Letter
Cover Letter requirements are not specified.
Abstract
Abstract is required. Abstract must be less than 250 words.
Manuscript
Manuscript must be less than 6,000 words including tables and figures, with each table or figure counted as 200 words. Manuscript must be presented in the order Title page, Abstract and keywords, Text, Disclosure, Funding, Author Contributions, Conflict of interest, Acknowledgments, References, List of supporting information, Figure captions, Tables, and Figures. Manuscript must include 4 to 5 keywords after the abstract, an Author Contributions section before the references, and a generative AI use declaration in a new section before the references if AI was used.
References
References must be cited using numbered square-bracket citations. Reference list must be numbered in the order of first appearance in the text, and references with more than 6 authors must list the first 6 followed by 'et al.'.
Figures & Tables
Tables may be placed next to the relevant text or on separate pages at the end, while each illustration must be submitted as a separate file and captions supplied separately. Tables must be submitted as editable text rather than images and must be numbered consecutively in the order cited.
Rapid Communication
Cover Letter
Cover Letter requirements are not specified.
Abstract
Abstract is required. Abstract must be less than 150 words.
Manuscript
Manuscript must be less than 1,200 words, excluding tables and figures. Manuscript must be presented in the following order: Title page, Abstract and keywords, Text, Disclosure, Funding, Author Contributions, Conflict of interest, Acknowledgments, References, List of supporting information, Figure captions, Tables, Figures. Keywords are required, and at least 4 and no more than 5 keywords must appear immediately after the abstract, while any use of generative AI must be declared in a new section before the references list.
References
References must total no more than 10. References must be cited by numbers in square brackets and listed in the order of appearance. For references with more than 6 authors, list the first 6 followed by 'et al.,' and journal names must be abbreviated according to the List of Title Word Abbreviations.
Figures & Tables
Tables may be placed next to the relevant text or on separate pages at the end, figures must be submitted as separate files, and figure captions must be supplied separately. Tables must be submitted as editable text rather than images and must be numbered consecutively, and illustrations must be numbered according to their sequence in the text.
Mini Review
Cover Letter
Cover Letter requirements are not specified.
Abstract
Abstract is required for Mini Reviews. Abstract must be less than 250 words.
Manuscript
Mini Review length must be less than 3,200 words including tables and figures, with each table or figure counted as 200 words. Manuscript must be presented in the following order: Title page, Abstract and keywords, Text, Disclosure, Funding, Author Contributions, Conflict of interest, Acknowledgments, References, List of supporting information, Figure captions, Tables, Figures. Keywords are required, and the manuscript must include a generative AI declaration before the references if AI tools were used and an Author Contributions statement before the references.
References
References must be cited using numbered citations in square brackets. Reference list must be numbered in the order of first appearance in the text, and references with more than 6 authors must list the first 6 followed by 'et al.'.
Figures & Tables
Tables may be placed next to the relevant text or on separate pages at the end, and each illustration must be submitted as a separate file with captions supplied separately. Tables must be submitted as editable text rather than images and must be numbered consecutively, and figures must be numbered according to their sequence in the text.
Guideline
Cover Letter
Cover Letter requirements are not specified.
Abstract
An abstract is required. Abstract must be less than 250 words.
Manuscript
Manuscript must not exceed 20 pages. Manuscript must be presented in the following order: Title page, Abstract and keywords, Text, Disclosure, Funding, Author Contributions, Conflict of interest, Acknowledgments, References, List of supporting information, Figure captions, Tables, Figures. Include keywords after the abstract, a generative AI use declaration in a new section before the references when applicable, and an Author Contributions statement before the references.
References
References must be cited using numbered square-bracket citations. References must be numbered in the order of appearance in the text, and references with more than 6 authors must list the first 6 followed by 'et al.'.
Figures & Tables
Figures must be submitted as separate files with captions supplied separately, while tables may be placed next to the relevant text or on separate pages at the end. Tables must be submitted as editable text rather than images.
Letter
Cover Letter
Cover Letter requirements are not specified.
Abstract
Abstract is not required for a Letter.
Manuscript
Letter must be less than 600 words including one table or figure. Manuscript must be presented in the order Title page, Abstract and keywords, Text, Disclosure, Funding, Author Contributions, Conflict of interest, Acknowledgments, References, List of supporting information, Figure captions, Tables, and Figures. A statement declaring any use of generative AI must be placed in a new section before the references list, and an Author Contributions section stating that all authors meet the ICMJE authorship criteria must appear after the text and before the references.
References
References must be cited using numbered square brackets. Reference list must be numbered in the order of appearance in the text, and references with more than 6 authors must list the first 6 followed by 'et al.'.
Figures & Tables
Letter may include no more than one table or figure within the 600-word limit. Tables may be placed next to the relevant text or on separate pages at the end, and each illustration must be submitted as a separate file with captions supplied separately. Tables must be submitted as editable text rather than images.
Case Report
Cover Letter
Cover Letter requirements are not specified.
Abstract
Abstract is required. Abstract must be less than 100 words.
Manuscript
Manuscript must not exceed 1500 words including tables and figures but excluding references. Manuscript must be presented in the following order: Title page, Abstract and keywords, Text, Disclosure, Funding, Author Contributions, Conflict of interest, Acknowledgments, References, List of supporting information, Figure captions, Tables, Figures. Manuscript must include keywords and a generative AI use declaration in a new section before the references if AI was used.
References
References must be within 10. References must be cited by numbers in square brackets. Reference list must be numbered in order of appearance in the text, and for works with more than 6 authors only the first 6 should be listed followed by 'et al.'.
Figures & Tables
Tables and figures must total no more than 3 combined. Tables may be placed next to the relevant text or on separate pages at the end, while figures must be submitted as separate files with captions supplied separately. Tables must be submitted as editable text rather than images.
Recent Publications
Comorbidity of autoimmune diseases in patients with autoimmune pulmonary alveolar proteinosis
Eisuke Fujishiro, Takuma Katano, Masaya Fukami, Hiroyuki Tanaka, Saori Onishi, Tomoyuki Ogisu, Toshiyuki Yonezawa, Etsuro Yamaguchi, Satoru Ito
10.1016/j.resinv.2026.101464
View Publication
Clinical outcome following benralizumab discontinuation in patients with severe eosinophilic asthma: A single-center study
Satoshi Hamada, Eriko Ogino, Hirotaka Yasuba
10.1016/j.resinv.2026.101465
View Publication
Toward refining hemoptysis severity classification using acute-phase CT findings
Hideo Ishikawa, Takashi Nishihara
10.1016/j.resinv.2026.101462
View Publication
Efficacy and safety of nintedanib for older adults with idiopathic pulmonary fibrosis or progressive fibrosing interstitial lung disease: A multicenter retrospective study in Japan
Shiho Goda, Tadaaki Yamada, Yasuhiro Goto, Sayaka Uda, Akira Nakao, Shinsuke Shiotsu, Yuji Kukida, Keiko Tanimura, Akifumi Miyamoto, Yuki Imasato, Asuka Okada, Isao Hasegawa, Koji Date, Yohei Matsui, Shoki Morito, Noeru Inokuchi, Shuji Osugi, Hayato Kawachi, Naoya Nishioka, Masahiro Iwasaku, Shinsaku Tokuda, Tomohiro Handa, Koichi Takayama
10.1016/j.resinv.2026.101463
View Publication
Epidemiology and clinical characteristics of primary ciliary dyskinesia in Japan: A nationwide database analysis
Koichi Miyashita, Hironao Hozumi, Tomoyuki Fujisawa, Kozo Morimoto, Naoto Keicho, Takafumi Suda
10.1016/j.resinv.2026.101457
View Publication
Frequently asked questions
How long does it take to publish?
38 days from submission to decision after review; 108 days from submission to acceptance.
Reformat to Respiratory Investigation using Livewrite PremiumWhat are the publication costs?
Open Access Article Publishing Charge (APC): USD 3,000 excluding taxes. Subscription publication has no publication fee charged to authors.
Reformat to Respiratory Investigation using Livewrite PremiumResearch Topics
Interstitial Lung Diseases and Idiopathic Pulmonary Fibrosis
Chronic Obstructive Pulmonary Disease (COPD) Research
Asthma and respiratory diseases
Respiratory Support and Mechanisms
Lung Cancer Diagnosis and Treatment
Respiratory and Cough-Related Research
Lung Cancer Treatments and Mutations
Sarcoidosis and Beryllium Toxicity Research
Tracheal and airway disorders
Pneumonia and Respiratory Infections
Pleural and Pulmonary Diseases
Medical Imaging and Pathology Studies
Inhalation and Respiratory Drug Delivery
Lung Cancer Research Studies
Pulmonary Hypertension Research and Treatments
COVID-19 Clinical Research Studies
Occupational and environmental lung diseases
Respiratory viral infections research
Mycobacterium research and diagnosis
Occupational exposure and asthma
Long-Term Effects of COVID-19
Tuberculosis Research and Epidemiology
Neonatal Respiratory Health Research
Transplantation: Methods and Outcomes
Pneumocystis jirovecii pneumonia detection and treatment