Journal profile · GASTROENTEROLOGY & HEPATOLOGY
Endoscopy International Open
ISSN 2364-3722 · eISSN 2512-9465 · Georg Thieme Verlag KG · Germany
Endoscopy International Open: CAS Zone 3 · Medicine (2025 upgraded edition); impact factor 2.9 (journal website); fully open access; APC about USD 3,200; median 130 days to acceptance (97 articles, last 24 months); 232 articles in 2025; indexed in ESCI; the journal's website says it has moved to a new publisher.
The journal's website says it has moved to a new publisher: 10.1055/s-00050442 Note: The Arab Journal of Interventional Radiology, the official journal of Pan Arab Interventional Radiology Society (PAIRS), has transferred to a new publisher. Please see the Society website for mo... Source ↗Publisher website ·
Scope
Aims, scope and focus
Endoscopy International Open is published by Georg Thieme Verlag KG and is in Zone 3 of Medicine in the CAS Journal Ranking (2025 upgraded edition). By OpenAlex counts of its recent articles, its largest topics are Gastric Cancer Management and Outcomes, Colorectal Cancer Screening and Detection and Esophageal and GI Pathology, together about 35% of its articles. Its main subfields are Surgery. (generated from OpenAlex topic counts and CAS ranking data)
Endoscopy International Open (EIO) is an Open Access journal in the field of gastrointestinal endoscopy. It covers all aspects of endoscopic diagnosis, therapeutic procedures and technical developments. The journal investigates different treatment options, compares new devices and technical developments not only for diagnostic but also therapeutic approach. Special attention is given to results and clinical studies focusing on national or regional aspects and problems from all over the world which most often do not meet the overall international interests or standards of other international journals in the field.EIO offers a new option to publish your results: with a fast and independent quality process and – based on the Open Access model – with a free, broad and easy access for everybody. Endoscopy International Open publishes original research articles, reviews and VidEIOs; as well as preliminary studies, discussions, letters to the Editor and Editorials with expedited processing times for the release of the very latest research results. All articles submitted to EIO undergo rigorous (blind) peer review.Special attention should be paid to the Thieme Journal Policies. As an Open access publication, all articles in EIO are made freely available for all to read and download from Thieme E-Journals.To publish Open Access, EIO relies on Article Processing Charges (APCs). The current APC rates can be found here.For further information such as Author Instructions or Editorial Board, click here.Abstracting and Indexing: DOAJ, ESCI, PubMed Central, EBSCO, Embase, ProQuestAll papers in EIO are published open access and are available online immediately upon publication without registration. Thieme publishes the papers under the terms of the Creative Commons Attribution (CC BY) 4.0 license, which permits any user to read, download, copy, distribute, and use the content for any lawful purpose. Alternative licenses, such as the Creative Commons Attribution-NonCommercial-NoDerivatives (CC BY-NC-ND) 4.0 license, may also be available for use.
From the journal's Aims & Scope
Research area (LetPub): GASTROENTEROLOGY & HEPATOLOGY
Editor-in-chief Girija Prasad RathThePublisher website
Main research topics OpenAlex counts of recent articles; shares are approximate
- Gastric Cancer Management and OutcomesMedicine14.1%
- Colorectal Cancer Screening and DetectionMedicine10.6%
- Esophageal and GI PathologyMedicine10.3%
- Gallbladder and Bile Duct DisordersMedicine9.3%
- Pancreatic and Hepatic Oncology ResearchMedicine7.5%
- Esophageal Cancer Research and TreatmentMedicine6.3%
- Gastrointestinal Tumor Research and TreatmentMedicine4.9%
- Gastrointestinal Bleeding Diagnosis and TreatmentMedicine4.9%
Rankings & indexing
CAS ranking and database indexing
CAS Journal Ranking
CAS Journal Ranking, upgraded edition (March 2025)Medicine Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 3 |
| Minor | Surgery | Zone 3 |
| Minor | Gastroenterology & Hepatology | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Medicine Zone 3
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 3 |
| Minor | Gastroenterology & Hepatology | Zone 3 |
| Minor | Surgery | Zone 3 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
Database indexing
ESCIDOAJLetPub
International journal early-warning lists: not listed in any editionLetPub
Indexing the journal's website claims
PMCEmbasePublisher website
Other: EBSCO, ProQuest
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)
- 2.9Publisher website ·
- h-index
- 65OpenAlex ·
- i10-index
- 1,138OpenAlex ·
- 2-year mean citedness
- 1.54OpenAlex ·
- Self-citation rate
- 6.9%LetPub ·
- Share of gold OA articles
- 100%LetPub ·
Volume
- Articles per year
- 196LetPub ·
Articles by year OpenAlex count · 2,998 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 215 | 215 | 27 |
| 2025 | 232 | 232 | 259 |
| 2024 | 232 | 232 | 759 |
| 2023 | 197 | 197 | 1,322 |
| 2022 | 279 | 279 | 2,437 |
| 2021 | 324 | 324 | 3,574 |
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 PubMed · to
130 daysMedian, submission to acceptance · P25–P75 84 days – 196 days
- Acceptance to online
- median 22 days (97 articles)
- Submission to online
- median 158 days
- Sample
- 97 articles with submission and acceptance dates (504 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 12 weeksLetPub ·
- Submission to publication (journal-reported)
- about 12 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 | EUR 2,875 / USD 3,200 | Yes | CC BY, CC BY-NC-ND | |
| OpenAlex | EUR 2,620 | — | — | |
| LetPub | EUR 2,620 | Yes | — | |
| Publisher website | EUR 3,015 / USD 3,355 | — | — |
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)
Article types accepted1
- original researchEndoscopy International Open publishes original research articles, reviews and VidEIOs; as well as preliminary studies, discussions, letters to the Editor and E…Length not stated
Policy excerpts from the journal's websiteLicense & copyright, Open access, Peer review
- License & copyright
Published under CC BY 4.0; CC BY-NC-ND 4.0 may also be available. Model summary
Thieme publishes the papers under the terms of the Creative Commons Attribution (CC BY) 4.0 license, which permits any user to read, download, copy, distribute, and use the content for any lawful purpose. Alternative licenses, such as the Creative Commons Attribution-NonCommercial-NoDerivatives (CC BY-NC-ND) 4.0 license, may also be available for use.
Source ↗Publisher website ·- Open access This open access journal is available to read for FREE on Thieme E-Journals.
Open access publication funded by Article Processing Charges (APCs). Model summary
Endoscopy International Open (EIO) is an open access journal in the field of gastrointestinal endoscopy. It covers all aspects of endoscopic diagnosis, therapeutic procedures and technical developments. The journal investigates different treatment options, compares new devices and technical developments not only for diagnostic but also therapeutic approach. Special attention is given to results an…
Source ↗Publisher website ·- Peer review
Rigorous (blind) peer review for all submitted articles. Model summary
All articles submitted to EIO undergo rigorous (blind) peer review.
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
- Georg Thieme Verlag KG
- Country or region
- Germany
- Language
- English
- ISSN
- 2364-3722
- Print ISSN
- 2567-3459
- Electronic ISSN
- 2512-9465
- Society / sponsor
- Indian Society of Neuroanaesthesiology and Critical Care
- Official links
- Journal homepage ↗DOAJ
- Submission system ↗Publisher website
- Author guidelines ↗DOAJ
- Aims & Scope ↗DOAJ
- Special issues ↗Publisher website
- APC information ↗DOAJ
- Fee waivers ↗DOAJ
- Open access statement ↗DOAJ
- License & copyright ↗DOAJ
- Peer review process ↗DOAJ
- Editorial board ↗DOAJ
FAQ
Frequently asked questions about Endoscopy International Open
What CAS zone is Endoscopy International Open in?
In the 2025 upgraded edition of the CAS Journal Ranking, Endoscopy International Open is in Zone 3 of Medicine, and in Zone 3 of the minor category Surgery / Gastroenterology & Hepatology. In the 2026 Xinrui edition it is in Zone 3 of Medicine. Zones from different editions, and from major and minor categories, are not interchangeable.
What is the impact factor of Endoscopy International Open?
The journal's website gives an impact factor of 2.9; this is the journal's own figure, as LetPub lists none for it; h-index 65.
How long does peer review take at Endoscopy International Open?
Based on the dates recorded on 97 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 130 days (interquartile range 84–196 days); authors report an average review time of about 12 weeks. 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.
Which databases index Endoscopy International Open?
According to LetPub and DOAJ records, Endoscopy International Open is indexed in ESCI and DOAJ. The journal's website also lists PMC and Embase; that list has not been checked against each database.
Is Endoscopy International Open open access, and what is the APC?
Endoscopy International Open is a fully open-access journal. APC about USD 3,200.
Sources and updates
The facts on this page come from LetPub, OpenAlex, DOAJ, 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: .