Journal profile · UROLOGY & NEPHROLOGY

CEN Case Reports

ISSN 2192-4449 · Springer Nature · 4 issues per year

CEN Case Reports: CAS Zone 4 · Medicine (2025 upgraded edition); impact factor 1 (journal website); hybrid open access; APC about USD 4,090; median 101 days to acceptance (98 articles, last 24 months); 80 articles in 2025; indexed in ESCI and Scopus.

Impact factor1From the journal's website, 2025 value
CAS zoneZone 4 · Medicine2025 upgraded edition, major category · 2026 Xinrui edition Zone 4 · Medicine
Review time101 daysMedian, submission to acceptance · 98 articles, last 24 months · Crossref
APCUSD 4,090Hybrid journal: charged only for open-access articles
Acceptance—No reports yet
Articles per year802025 · OpenAlex count

Scope

Aims, scope and focus

CEN Case Reports is published by Springer Nature and is in Zone 4 of Medicine in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Renal Diseases and Glomerulopathies, Vasculitis and related conditions and Amyloidosis: Diagnosis, Treatment, Outcomes, together about 43.2% of its articles. (generated from OpenAlex topic counts and CAS ranking data)

Clinical and Experimental Nephrology (CEN) Case Reports is a peer-reviewed online-only journal, officially published by the Japanese Society of Nephrology (JSN). The journal publishes original case reports in nephrology and related areas. The purpose of CEN Case Reports is to provide clinicians and researchers with a forum in which to disseminate their personal experience to a wide readership and to review interesting cases encountered by colleagues all over the world, from whom contributions are welcomed.

From the journal's Aims & Scope

Research area (LetPub): UROLOGY & NEPHROLOGY

Editor-in-chief Hirokazu OkadaPublisher website

Editorial board by country: 1 in mainland China (about 1%); most named Japan 88, United States 5, Germany 3, Australia 2, Mainland China 1 (103 members with a country) Editorial board ↗Publisher website ·

Main research topics OpenAlex counts of recent articles; shares are approximate

  1. Renal Diseases and GlomerulopathiesMedicine23.3%
  2. Vasculitis and related conditionsMedicine10%
  3. Amyloidosis: Diagnosis, Treatment, OutcomesBiochemistry, Genetics and Molecular Biology9.9%
  4. Complement system in diseasesImmunology and Microbiology3.5%
  5. Nephrotoxicity and Medicinal PlantsMedicine3.4%
  6. Autoimmune Bullous Skin DiseasesMedicine3.3%
  7. Dialysis and Renal Disease ManagementMedicine3.1%
  8. Genetic and Kidney Cyst DiseasesBiochemistry, Genetics and Molecular Biology3.1%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Medicine Zone 4
LevelCategoryZone
MajorMedicineZone 4
MinorUrology & NephrologyZone 4

Top journal: noReview journal: no

CAS Xinrui Journal Ranking (March 2026)Medicine Zone 4
LevelCategoryZone
MajorMedicineZone 4
MinorUrology & NephrologyZone 4

Top journal: noReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Not covered

Not covered by this edition.

Database indexing

ESCIScopusLetPub

International journal early-warning lists: not listed in any editionLetPub

Indexing the journal's website claims

MEDLINEEmbasePublisher website

Other: Google Scholar, EBSCO, ProQuest, Dimensions, CNKI, Baidu, Naver, OCLC, Portico, CLOCKSS, Semantic Scholar

As the journal's website lists them, not checked against each database; for Web of Science editions the records above apply.

Editions, and major and minor categories, are shown separately and never merged into one zone; check which edition your institution uses before you submit or report.

Metrics

Impact metrics and publication volume

Impact

Impact factor (publisher) 2025
1Publisher website ·
5-year impact factor (publisher) 2025
0.9Publisher website ·
CiteScore 2026-06
1.9LetPub ·
SJR 2026-06
0.27LetPub ·
SNIP 2026-06
0.59LetPub ·
h-index
20OpenAlex ·
i10-index
144OpenAlex ·
2-year mean citedness
1.25OpenAlex ·
Self-citation rate
10%LetPub ·
Share of gold OA articles
12.6%LetPub ·

Volume

Articles per year
74LetPub ·
Downloads per year (publisher) 2025
198,500Publisher website ·

Articles by year OpenAlex count · 1,169 in total · the current year is incomplete

YearArticlesOpen accessCitations
202613613334
2025806784
2024117117298
20237575214
2022100100439
2021116107716

Sources count differently and were observed at different times, so each source's own value is kept; "publisher" marks figures from the journal's website.

Review & acceptance

Review time and acceptance

Review time from article dates manuscript dates registered with Crossref · to

101 daysMedian, submission to acceptance · P25–P75 71 days – 149 days

Acceptance to online
median 24 days (98 articles)
Submission to online
median 130 days
Sample
98 articles with submission and acceptance dates (249 in the window); the latest was accepted on

Only articles that were accepted and published are counted, not the time spent on rejected manuscripts, so this usually runs longer than a publisher's "time to first decision".

Other sources

Submission to first decision
12 daysPublisher website ·

Community reports come from authors' own submissions (confidence 0.5) and are not a promise from the journal; for publisher figures, the journal's own definitions apply.

Fees & open access

APC and open-access policy

Hybrid open accessLetPub

A subscription journal in which authors can pay to publish their article open access.

SourceAPCFee waiverLicenseObserved
OpenAlexUSD 4,090 / EUR 3,090 / GBP 2,690——

A hybrid journal charges the APC only when the author chooses open access; publishing under the subscription model is usually free.

The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.

Submission

Article types and submission policies (journal website)

What to prepare7 items from the author guidelines
Abstract
150–250 words
Keywords
≥ 3
Manuscript length
≤ 3,000 words
Reference style
Numbered, in order of citation
First submission
Free format: the journal's layout is not required
Suggested reviewers
Optional
Cover letter
Required
Publisher website · model-extracted, each line checked against the text
Article types accepted4, with length limits
  1. case reportCase reports: A case report should not exceed 3000 words and should be arranged as follows: Abstract (which should be a brief summary of the contents without an…main text ≤ 3,000 words
  2. case reportsCase reports: A case report should not exceed 3000 words and should be arranged as follows: Abstract (which should be a brief summary of the contents without an…Length not stated
  3. letters to the editorCase reports: A case report should not exceed 3000 words and should be arranged as follows: Abstract (which should be a brief summary of the contents without an…Length not stated
  4. reviewCase reports: A case report should not exceed 3000 words and should be arranged as follows: Abstract (which should be a brief summary of the contents without an…Length not stated
Publisher website
Policy excerpts from the journal's websiteAuthorship, Conflicts of interest, Publication ethics, License & copyright, Open access, Preprints
Authorship Authorship:

Only those who have made a substantial contribution to the work should be designated as authors. Back to top

Source ↗Publisher website ·
Conflicts of interest Conflict of interest:

When submitting a manuscript to CEN Case Reports, authors are required to disclose any financial relationship with a biotechnology manufacturer, a pharmaceutical company, or other commercial entity that has an interest in the subject matter or materials discussed in the manuscript. Please disclose any potential Conflicts of interest by using the following example between the text and references: P…

Source ↗Publisher website ·
Publication ethics Compliance with Ethical Standards

To ensure objectivity and transparency in research and to ensure that accepted principles of ethical and professional conduct have been followed, authors should include information regarding sources of funding, potential conflicts of interest (financial or non-financial), informed consent if the research involved human participants, and a statement on welfare of animals if the research involved an…

Source ↗Publisher website ·
License & copyright Copyright and license term – CC BY-NC

Open Choice articles do not require transfer of copyright as the copyright remains with the author. In opting for open access, the author(s) agree to publish the article under the Creative Commons Attribution-NonCommercial 4.0 International License Find more about the license agreement

Source ↗Publisher website ·
Open access Open access publishing

To find out more about publishing your work Open Access in CEN Case Reports, including information on fees, funding and licences, visit our Open access publishing page. Back to top

Source ↗Publisher website ·
Preprints

Preprint posting is not considered prior publication; authors should disclose preprint details including DOI in the cover letter. Model summary

Posting of preprints is not considered prior publication and will not jeopardize consideration. Authors are encouraged to disclose details of preprint posting, including DOI, upon submission of the manuscript in the cover letter.

Source ↗Publisher website ·

Excerpts are quoted from the journal's website; "model summary" lines are written by Workers AI and checked against the text. The journal's website is authoritative.

Profile

Publication details and official links

Publisher
Springer Nature
Frequency
4 issues per year
ISSN
2192-4449
Society / sponsor
Japanese Society of Nephrology
Official links

FAQ

Frequently asked questions about CEN Case Reports

What CAS zone is CEN Case Reports in?

In the 2025 upgraded edition of the CAS Journal Ranking, CEN Case Reports is in Zone 4 of Medicine, and in Zone 4 of the minor category Urology & Nephrology. In the 2026 Xinrui edition it is in Zone 4 of Medicine. Zones from different editions, and from major and minor categories, are not interchangeable.

What is the impact factor of CEN Case Reports?

The journal's website gives an impact factor of 1 (2025); this is the journal's own figure, as LetPub lists none for it; CiteScore 1.9, h-index 20.

How long does peer review take at CEN Case Reports?

Based on the dates recorded on 98 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 101 days (interquartile range 71–149 days). Article statistics cover accepted papers only, publisher figures follow the journal's own definitions, and community reports come from authors' own submissions; none is a promise from the journal.

What are the manuscript requirements of CEN Case Reports?

According to the journal's author guidelines: Abstract: 150–250 words; Keywords: ≥ 3; Manuscript length: ≤ 3,000 words; Reference style: Numbered, in order of citation; First submission: Free format: the journal's layout is not required; Suggested reviewers: Optional; Cover letter: Required. A model extracted these from the author guidelines and each was checked against the text; check the latest version on the journal's website before submitting.

Where are the editorial board members of CEN Case Reports based?

Of the 103 board members whose country the journal's board page names, 1 (about 1%) are in mainland China; the countries named most often are Japan (88), United States (5) and Germany (3). Counted from the institutions listed on the board page; for reference only.

Which databases index CEN Case Reports?

According to LetPub and DOAJ records, CEN Case Reports is indexed in ESCI and Scopus. The journal's website also lists MEDLINE and Embase; that list has not been checked against each database.

Is CEN Case Reports open access, and what is the APC?

CEN Case Reports is a hybrid journal. For open-access publication: APC about USD 4,090.

Sources and updates

The facts on this page come from LetPub, OpenAlex, Publisher website; every figure is tagged with its source and the date it was observed, and conflicting values are kept per source. LetPub source page: view ↗ (archived 2026-08-26). Last updated: .