Journal profile · Medicine-Surgery
DEN Open
ISSN 2692-4609 · Wiley · Australia
DEN Open: CAS Zone 4 · Medicine (2025 upgraded edition); impact factor 1.5 (journal website); fully open access; APC about USD 2,750; median 75 days to acceptance (103 articles, last 24 months); acceptance rate 65% (journal website); 217 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
DEN Open is published by Wiley 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 Gallbladder and Bile Duct Disorders, Gastric Cancer Management and Outcomes and Esophageal and GI Pathology, together about 33.6% of its articles. Its main subfields are Surgery. (generated from OpenAlex topic counts and CAS ranking data)
DEN Open is a peer-reviewed, open access journal providing rapid publication of research from global biomedical researchers across the broad field of endoscopy. DEN Open is the official journal of Japan Gastroenterological Endoscopy Society (JGES) and a sister journal of Digestive Endoscopy (DEN). DEN Open includes Original Articles, Reviews, Techniques and Innovation, Case Reports, and Letters to the Editor. Keywords Digestive, endoscopy, Asia Pacific Society, Japan; gastroenterology, GI, surgery, ulcer, cancer, ultrasonography, diagnostic; abstracts, reviews, analysis, laparoscopy, colonic, metastases, polyp, stomach, diagnosis, granulomatous angiitis, Churg-Strauss syndrome, biopsy, bleeding, rectum, angiosarcoma, mucosa, duodenal, bulb, laparoscopy, Wiley, Publishing, journal. Indexing Information CAS: Chemical Abstracts Service (ACS) Directory of Open Access Journals (DOAJ) Emerging Sources Citation Index (Clarivate Analytics) OneFile: Health and Medicine (GALE Cengage) OneFile: Nursing and Allied Health (GALE Cengage) PubMed (NLM) Web of Science (Clarivate Analytics) DEN Open deposits all articles in PMC (PubMed Central)
From the journal's Aims & Scope
Research area (LetPub): Medicine-Surgery
Editor-in-chief Kazuki SumiyamaPublisher website
Editorial board by country: none in mainland China; most named Japan 6 (6 members with a country) Editorial board ↗Publisher website ·
Main research topics OpenAlex counts of recent articles; shares are approximate
- Gallbladder and Bile Duct DisordersMedicine12.3%
- Gastric Cancer Management and OutcomesMedicine10.9%
- Esophageal and GI PathologyMedicine10.5%
- Pancreatic and Hepatic Oncology ResearchMedicine7.6%
- Gastrointestinal Tumor Research and TreatmentMedicine6.4%
- Colorectal Cancer Screening and DetectionMedicine5.9%
- Gastrointestinal disorders and treatmentsMedicine5.3%
- Esophageal Cancer Research and TreatmentMedicine5.2%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Gastroenterology & Hepatology | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Gastroenterology & Hepatology | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
ESCIScopusDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
Web of SciencePMCCASPublisher website
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)
- 1.5Publisher website ·
- Impact factor (publisher) 2025
- 1.5Publisher website ·
- CiteScore 2026-06
- 2.8LetPub ·
- CiteScore (publisher)
- 2.8Publisher website ·
- CiteScore (publisher) 2025
- 2.8Publisher website ·
- SJR 2026-06
- 0.5LetPub ·
- SNIP 2026-06
- 0.85LetPub ·
- h-index
- 19OpenAlex ·
- i10-index
- 74OpenAlex ·
- 2-year mean citedness
- 1.58OpenAlex ·
- Self-citation rate
- 6.7%LetPub ·
- Share of gold OA articles
- 100%LetPub ·
Volume
- Articles per year
- 152LetPub ·
- Articles per year (publisher) 2025
- 211Publisher website ·
- Downloads per year (publisher) 2025
- 307,397Publisher website ·
Articles by year OpenAlex count · 857 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 173 | 173 | 35 |
| 2025 | 217 | 217 | 331 |
| 2024 | 146 | 146 | 479 |
| 2023 | 122 | 122 | 579 |
| 2022 | 115 | 115 | 654 |
| 2021 | 84 | 84 | 621 |
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
75 daysMedian, submission to acceptance · P25–P75 54 days – 115 days
- Acceptance to online
- median 13 days (103 articles)
- Submission to online
- median 94 days
- Sample
- 103 articles with submission and acceptance dates (422 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
- Average review time (community reports)
- about 16 weeksLetPub ·
- Acceptance rate (publisher)
- 65%Publisher website ·
- Acceptance rate (publisher) 2025
- 65%Publisher website ·
- Submission to first decision
- 18 daysPublisher website ·
- Submission to first decision 2025
- 18 daysPublisher website ·
- Submission to acceptance 2025
- 72 daysPublisher website ·
- Acceptance to publication 2025
- 12 daysPublisher website ·
- Submission to publication (journal-reported)
- about 16 weeksDOAJ ·
- Peer review
- Single anonymous peer reviewDOAJ
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
Fully open accessDOAJ
Every article is open access; authors usually pay an article processing charge (APC).
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| DOAJ | USD 2,750 / GBP 2,150 / EUR 2,480 | Yes | CC BY | |
| OpenAlex | USD 2,500 / EUR 2,250 / GBP 1,950 | — | — | |
| LetPub | USD 2,500 / GBP 1,950 / EUR 2,250 | Yes | — | |
| Publisher website | No APC | — | — |
Other charges and waivers (author guidelines)
- Submission fee
- No submission fee
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 prepare1 items from the author guidelines
- Reference style
- Chicago
Article types accepted4, with length limits
- case reportDEN Open includes Original Articles. Reviews, and Case Reports.Length not stated
- letter to the editorv. Letter to the EditorLength not stated
- original articlewill be considered for publication. i. Original Article Word Limit: 3000 words including abstract but excluding references, tables and figmain text ≤ 3,000 words
- reviewn relevant, Supplementary Material. ii. Review Word Limit: 4000 words including abstract but excluding references, tables and figmain text ≤ 4,000 words
Policy excerpts from the journal's websiteAuthorship, Conflicts of interest, Data availability, Publication ethics, Open access, Peer review, Plagiarism, Preprints
- Authorship Authorship
The journal follows the ICMJE definition of authorship, which indicates that authorship be based on the following 4 criteria:
Source ↗Publisher website ·- Conflicts of interest Conflict of Interest
All authors should declare, according to the standard of each country, any employment, leadership role or advisory role with a company, stockownership and option, patent royalties and licensing fees, honoraria, received fees for promotional materials, financial support and grants, devices donated from the industry and other potential relationships that may pose conflict of interests as “Interests”…
Source ↗Publisher website ·- Data availability Data Sharing and Data Accessibility
Data sharing encouraged Model summary
The journal encourages authors to share the data and other artefacts supporting the results in the paper by archiving it in an appropriate public repository. Authors may provide a data availability statement, including a link to the repository they have used, in order that this statement can be published in their paper. Shared data should be cited.” All accepted manuscripts may elect to publish a …
Source ↗Publisher website ·- Publication ethics
COPE core practices Model summary
This journal follows the core practices of the Committee on Publication Ethics (COPE) and handles cases of research and publication misconduct accordingly
Source ↗Publisher website ·- Open access 6. AUTHOR LICENSING AND OPEN ACCESS FEE
DEN Open is an Open Access journal. The journal does not charge any submission fees. The authors of accepted papers pay an Article Publication Charge and their papers are published under Creative Commons license. With Creative Commons licenses, the author retains copyright and the public is allowed to reuse the content. The author grants Wiley a license to publish the article and identify as the o…
Source ↗Publisher website ·- Peer review Peer Review and Acceptance
Single-blind peer review Model summary
The Editorial Board decides whether a contribution will be sent for peer review, and if so, will consider the peer reviewers’ reports and make the final decision to accept or reject the manuscript for publication. The Editorial Board reserves the final right to decide the manuscript category in which the paper will be published if it is found to be acceptable for publication. The journal uses a si…
Source ↗Publisher website ·- Plagiarism
iThenticate CrossCheck plagiarism detection Model summary
This journal uses iThenticate’s CrossCheck software to detect instances of overlapping and similar text in submitted manuscripts.
Source ↗Publisher website ·- Preprints Preprint Policy
Preprint policy Model summary
DEN Open accepts articles previously published on preprint servers. DEN Open will consider reviewing articles previously available as preprints, on the condition that it is declared in the title page and the cover letter of a submitted manuscript. You may also post the submitted version of a manuscript to a preprint server at any time. You are requested to update any pre-publication versions with …
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
- Wiley
- Country or region
- Australia
- Language
- English
- ISSN
- 2692-4609
- Society / sponsor
- Japan Gastroenterological Endoscopy Society
- Latest issue on the website
- Volume 7, Issue 1 (April 2027)
- Official links
- Journal homepage ↗LetPub
- Submission system ↗Publisher website
- Author guidelines ↗LetPub
- Aims & Scope ↗LetPub
- APC information ↗DOAJ
- Fee waivers ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗LetPub
- Editorial board ↗LetPub
- Plagiarism policy ↗DOAJ
FAQ
Frequently asked questions about DEN Open
What CAS zone is DEN Open in?
In the 2025 upgraded edition of the CAS Journal Ranking, DEN Open is in Zone 4 of Medicine, and in Zone 4 of the minor category Gastroenterology & Hepatology. 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 DEN Open?
The journal's website gives an impact factor of 1.5 (2025); this is the journal's own figure, as LetPub lists none for it; CiteScore 2.8, h-index 19.
How long does peer review take at DEN Open?
Based on the dates recorded on 103 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 75 days (interquartile range 54–115 days); authors report an average review time of about 16 weeks; the journal's website gives an acceptance rate of 65% (2025). 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.
Where are the editorial board members of DEN Open based?
Of the 6 board members whose country the journal's board page names, none are in mainland China; the countries named most often are Japan (6). Counted from the institutions listed on the board page; for reference only.
Which databases index DEN Open?
According to LetPub and DOAJ records, DEN Open is indexed in ESCI, Scopus and DOAJ. The journal's website also lists Web of Science, PMC and CAS; that list has not been checked against each database.
Is DEN Open open access, and what is the APC?
DEN Open is a fully open-access journal. APC about USD 2,750.
Sources and updates
The facts on this page come from LetPub, Publisher website, OpenAlex, DOAJ; 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: .