Journal profile · MEDICINE, RESEARCH & EXPERIMENTAL
KEIO JOURNAL OF MEDICINE
ISSN 0022-9717 · eISSN 1880-1293 · Keio Gijuku Daigaku
KEIO JOURNAL OF MEDICINE: CAS Zone 4 · Medicine (2025 upgraded edition); fully open access; 24 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
KEIO JOURNAL OF MEDICINE is published by Keio Gijuku Daigaku 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 Neurogenesis and neuroplasticity mechanisms, Neuroscience and Neuropharmacology Research and Protease and Inhibitor Mechanisms, together about 21.4% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
Research area (LetPub): MEDICINE, RESEARCH & EXPERIMENTAL
Main research topics OpenAlex counts of recent articles; shares are approximate
- Neurogenesis and neuroplasticity mechanismsNeuroscience7.5%
- Neuroscience and Neuropharmacology ResearchNeuroscience6.9%
- Protease and Inhibitor MechanismsBiochemistry, Genetics and Molecular Biology6.9%
- Blood Coagulation and Thrombosis MechanismsMedicine6.9%
- Acute Ischemic Stroke ManagementMedicine5.9%
- T-cell and B-cell ImmunologyImmunology and Microbiology5.6%
- Blood properties and coagulationMedicine5.2%
- Developmental Biology and Gene RegulationBiochemistry, Genetics and Molecular Biology5%
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 | Medicine, Research & Experimental | Zone 4 |
Top journal: noReview journal: no
CAS Xinrui Journal Ranking (March 2026)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Medicine, Research & Experimental | Zone 4 |
Top journal: noReview journal: not marked
CAS Journal Ranking, previous upgraded edition (December 2023)Not covered
Not covered by this edition.
CiteScore quartiles (Scopus, June 2026 release)
| Subject | Quartile | Rank | Percentile |
|---|---|---|---|
| General Medicine | Q2 | 241/669 | 64th |
Scopus ranks journals by CiteScore within each subject: the 75th percentile and above is Q1, then a quartile every 25 points. A different system from the CAS zones.LetPub
Database indexing
ESCIScopusLetPub
International journal early-warning lists: not listed in any editionLetPub
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
- CiteScore 2026-06
- 2.2LetPub ·
- SJR 2026-06
- 0.3LetPub ·
- SNIP 2026-06
- 0.45LetPub ·
- h-index
- 60OpenAlex ·
- i10-index
- 445OpenAlex ·
- 2-year mean citedness
- 0.78OpenAlex ·
- Self-citation rate
- 37.5%LetPub ·
- Share of gold OA articles
- 79.03%LetPub ·
Volume
- Articles per year
- 29LetPub ·
Articles by year OpenAlex count · 2,212 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 13 | 13 | 354 |
| 2025 | 24 | 24 | 574 |
| 2024 | 12 | 12 | 665 |
| 2023 | 22 | 22 | 675 |
| 2022 | 12 | 12 | 776 |
| 2021 | 9 | 9 | 768 |
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.
Fees & open access
APC and open-access policy
Fully open accessOpenAlex
Every article is open access; authors usually pay an article processing charge (APC).
No source has fee information yet; check the journal's website.
The journal's website is authoritative for fees; sources were observed at different times and each keeps its own value, without averaging.
Profile
Publication details and official links
- Publisher
- Keio Gijuku Daigaku
- ISSN
- 0022-9717
- Electronic ISSN
- 1880-1293
FAQ
Frequently asked questions about KEIO JOURNAL OF MEDICINE
What CAS zone is KEIO JOURNAL OF MEDICINE in?
In the 2025 upgraded edition of the CAS Journal Ranking, KEIO JOURNAL OF MEDICINE is in Zone 4 of Medicine, and in Zone 4 of the minor category Medicine, Research & Experimental. 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.
Which databases index KEIO JOURNAL OF MEDICINE?
According to LetPub and DOAJ records, KEIO JOURNAL OF MEDICINE is indexed in ESCI and Scopus.
Is KEIO JOURNAL OF MEDICINE open access, and what is the APC?
KEIO JOURNAL OF MEDICINE is a fully open-access journal. Fee information is not available yet; check the journal's website.
Sources and updates
The facts on this page come from LetPub, OpenAlex; 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 2026-08-25). Last updated: .