Journal profile · MEDICINE, GENERAL & INTERNAL
Intractable & Rare Diseases Research
ISSN 2186-3644 · eISSN 2186-361X · International Advancement Center for Medicine & Health Research Co., Ltd. (IACMHR Co., Ltd.)
Intractable & Rare Diseases Research: CAS Zone 4 · Medicine (2025 upgraded edition); fully open access; median 72 days to acceptance (77 articles, last 24 months); 41 articles in 2025; indexed in ESCI and Scopus.
Scope
Aims, scope and focus
Intractable & Rare Diseases Research is published by International Advancement Center for Medicine & Health Research Co., Ltd. (IACMHR Co., Ltd.) 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 Genomics and Rare Diseases, Metabolism and Genetic Disorders and Genetics and Neurodevelopmental Disorders, together about 36.7% of its articles. Its main subfields are Genetics. (generated from OpenAlex topic counts and CAS ranking data)
Research area (LetPub): MEDICINE, GENERAL & INTERNAL
Main research topics OpenAlex counts of recent articles; shares are approximate
- Genomics and Rare DiseasesBiochemistry, Genetics and Molecular Biology21.5%
- Metabolism and Genetic DisordersBiochemistry, Genetics and Molecular Biology8.4%
- Genetics and Neurodevelopmental DisordersBiochemistry, Genetics and Molecular Biology6.8%
- Connective tissue disorders researchBiochemistry, Genetics and Molecular Biology6.4%
- Pharmaceutical Economics and PolicyEconomics, Econometrics and Finance5.1%
- Pediatric Hepatobiliary Diseases and TreatmentsMedicine3.7%
- Biomedical Ethics and RegulationMedicine3.7%
- Lysosomal Storage Disorders ResearchMedicine3.5%
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, General & Internal | 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, General & Internal | 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 | 181/669 | 73rd |
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
- 3.2LetPub ·
- SJR 2026-06
- 0.55LetPub ·
- SNIP 2026-06
- 0.93LetPub ·
- h-index
- 47OpenAlex ·
- i10-index
- 257OpenAlex ·
- 2-year mean citedness
- 2.51OpenAlex ·
- Self-citation rate
- 4.8%LetPub ·
- Share of gold OA articles
- 100%LetPub ·
Volume
- Articles per year
- 34LetPub ·
Articles by year OpenAlex count · 643 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 31 | 31 | 854 |
| 2025 | 41 | 41 | 1,148 |
| 2024 | 37 | 37 | 1,314 |
| 2023 | 45 | 45 | 1,074 |
| 2022 | 39 | 39 | 1,044 |
| 2021 | 41 | 41 | 1,043 |
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
72 daysMedian, submission to acceptance · P25–P75 47 days – 96 days
- Acceptance to online
- —
- Submission to online
- —
- Sample
- 77 articles with submission and acceptance dates (81 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".
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 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
- International Advancement Center for Medicine & Health Research Co., Ltd. (IACMHR Co., Ltd.)
- ISSN
- 2186-3644
- Electronic ISSN
- 2186-361X
FAQ
Frequently asked questions about Intractable & Rare Diseases Research
What CAS zone is Intractable & Rare Diseases Research in?
In the 2025 upgraded edition of the CAS Journal Ranking, Intractable & Rare Diseases Research is in Zone 4 of Medicine, and in Zone 4 of the minor category Medicine, General & Internal. 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.
How long does peer review take at Intractable & Rare Diseases Research?
Based on the dates recorded on 77 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 72 days (interquartile range 47–96 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.
Which databases index Intractable & Rare Diseases Research?
According to LetPub and DOAJ records, Intractable & Rare Diseases Research is indexed in ESCI and Scopus.
Is Intractable & Rare Diseases Research open access, and what is the APC?
Intractable & Rare Diseases Research 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 2026-08-26). Last updated: .