Journal profile · Medicine, Research & Experimental

Orphanet Journal of Rare Diseases

ISSN 1750-1172 · BioMed Central · ENGLAND · Irregular · Founded 2006

Orphanet Journal of Rare Diseases: CAS Zone 2 · Medicine (2025 upgraded edition); impact factor 3.6; fully open access; APC about USD 3,090; median 182 days to acceptance (129 articles, last 24 months); community-reported acceptance: moderate; 663 articles in 2025; indexed in SCIE and Scopus.

Impact factor3.6Latest value listed by LetPub
CAS zoneZone 2 · Medicine2025 upgraded edition, major category · 2026 Xinrui edition Zone 2 · Medicine
Review time182 daysMedian, submission to acceptance · 129 articles, last 24 months · Crossref
APCUSD 3,090Fully open access
AcceptanceModerateCommunity average
Articles per year6632025 · OpenAlex count

Scope

Aims, scope and focus

Orphanet Journal of Rare Diseases is published by BioMed Central and is in Zone 2 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, Lysosomal Storage Disorders Research and Metabolism and Genetic Disorders, together about 34.9% of its articles. Its main subfields are Genetics. (generated from OpenAlex topic counts and CAS ranking data)

Orphanet Journal of Rare Diseases is an open access, peer-reviewed journal that encompasses all aspects of rare diseases and orphan drugs. The journal publishes high-quality reviews on specific rare diseases. In addition, the journal may consider articles on clinical trial outcome reports, either positive or negative, and articles on public health issues in the field of rare diseases and orphan drugs. The journal does not accept case reports which do not present clinical or pathological findings that can provide information about the mechanisms of a disease. Case reports which just present phenotype information, should not be considered.

From the journal's Aims & Scope

Research area (LetPub): Medicine, Research & Experimental

Editor-in-chief Francesc PalauPublisher website

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

  1. Genomics and Rare DiseasesBiochemistry, Genetics and Molecular Biology15.1%
  2. Lysosomal Storage Disorders ResearchMedicine11.7%
  3. Metabolism and Genetic DisordersBiochemistry, Genetics and Molecular Biology8.1%
  4. Glycogen Storage Diseases and MyoclonusMedicine6.1%
  5. Health Systems, Economic Evaluations, Quality of LifeEconomics, Econometrics and Finance4.6%
  6. Connective tissue disorders researchBiochemistry, Genetics and Molecular Biology4.2%
  7. Neurogenetic and Muscular Disorders ResearchMedicine4%
  8. Mitochondrial Function and PathologyBiochemistry, Genetics and Molecular Biology3.7%

Rankings & indexing

CAS ranking and database indexing

CAS Journal Ranking

CAS Journal Ranking, upgraded edition (March 2025)Medicine Zone 2
LevelCategoryZone
MajorMedicineZone 2
MinorGenetics & HeredityZone 2
MinorMedicine, Research & ExperimentalZone 2

Top journal: noReview journal: no

CAS Xinrui Journal Ranking (March 2026)Medicine Zone 2
LevelCategoryZone
MajorMedicineZone 2
MinorGenetics & HeredityZone 2
MinorMedicine, Research & ExperimentalZone 3

Top journal: noReview journal: not marked

CAS Journal Ranking, previous upgraded edition (December 2023)Medicine Zone 2
LevelCategoryZone
MajorMedicineZone 2
MinorGenetics & HeredityZone 2
MinorMedicine, Research & ExperimentalZone 2

Top journal: yesReview journal: no

Database indexing

SCIEScopusDOAJLetPub

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

Indexing the journal's website claims

MEDLINEEmbaseCASPublisher website

Other: Google Scholar, 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
3.6LetPub ·
Impact factor (publisher) 2025
3.6Publisher website ·
5-year impact factor (publisher) 2025
4.2Publisher website ·
CiteScore 2026-06
5.5LetPub ·
SJR 2026-06
1.22LetPub ·
SNIP 2026-06
1.74LetPub ·
h-index
87LetPub ·
h-index
182OpenAlex ·
i10-index
3,060OpenAlex ·
2-year mean citedness
3.35OpenAlex ·
Self-citation rate
5.6%LetPub ·
Share of gold OA articles
100%LetPub ·

Volume

Articles per year
630LetPub ·
Downloads per year (publisher) 2025
6,000,000Publisher website ·

Articles by year OpenAlex count · 5,498 in total · the current year is incomplete

YearArticlesOpen accessCitations
2026441441127
20256636631,847
20244964963,378
20233953955,170
20224534538,767
202152452412,474

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

182 daysMedian, submission to acceptance · P25–P75 120 days – 264 days

Acceptance to online
median 20 days (129 articles)
Submission to online
median 222 days
Sample
129 articles with submission and acceptance dates (1,237 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)
4–8 weeksLetPub ·
Average acceptance (community reports)
ModerateLetPub ·
Submission to first decision
41 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).

SourceAPCFee waiverLicenseObserved
DOAJEUR 2,590 / USD 3,090 / GBP 2,290YesCC BY, CC0
OpenAlexUSD 2,990 / EUR 2,490 / GBP 2,190——
LetPubGBP 2,090 / USD 2,890 / EUR 2,390Yes—
Publisher websiteYes, amount not published——

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)

Open calls for papers3, by deadline
  1. European Reference Networks: Advancing Collaboration and Care for Rare and Complex DiseasesDeadline
  2. Advances in Rare Congenital Genito-Urinary MalformationsDeadline
  3. The Emerging Frontiers of Genetic Screening in Inherited DisordersDeadline
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
BioMed Central
Country or region
ENGLAND
Language
English
Frequency
Irregular
Founded
2006
ISSN
1750-1172
Society / sponsor
Orphanet
Official links

FAQ

Frequently asked questions about Orphanet Journal of Rare Diseases

What CAS zone is Orphanet Journal of Rare Diseases in?

In the 2025 upgraded edition of the CAS Journal Ranking, Orphanet Journal of Rare Diseases is in Zone 2 of Medicine, and in Zone 2 of the minor category Genetics & Heredity / Medicine, Research & Experimental. In the 2026 Xinrui edition it is in Zone 2 of Medicine. Zones from different editions, and from major and minor categories, are not interchangeable.

What is the impact factor of Orphanet Journal of Rare Diseases?

The latest impact factor listed by LetPub is 3.6; CiteScore 5.5, h-index 182.

How long does peer review take at Orphanet Journal of Rare Diseases?

Based on the dates recorded on 129 articles published between October 2024 and October 2026 (the last 24 months), the median time from submission to acceptance is 182 days (interquartile range 120–264 days); authors report an average review time of 4–8 weeks; the community-reported acceptance is “Moderate”. 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 Orphanet Journal of Rare Diseases?

According to LetPub and DOAJ records, Orphanet Journal of Rare Diseases is indexed in SCIE, Scopus and DOAJ. The journal's website also lists MEDLINE, Embase and CAS; that list has not been checked against each database.

Is Orphanet Journal of Rare Diseases open access, and what is the APC?

Orphanet Journal of Rare Diseases is a fully open-access journal. APC about USD 3,090.

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 2026-08-25). Last updated: .