Journal profile · Medicine, Research & Experimental
Medical Hypotheses
ISSN 0306-9877 · eISSN 1532-2777 · Churchill Livingstone · SCOTLAND · Monthly · Founded 1975
Medical Hypotheses: CAS Zone 4 · Medicine (2025 upgraded edition); impact factor 0.96; hybrid open access; APC about USD 2,820; review about 2.8 months (community reports); community-reported acceptance: about 44.54%; 219 articles in 2025; indexed in SCIE and Scopus.
Scope
Aims, scope and focus
Medical Hypotheses is published by Churchill Livingstone 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 Diverse Scientific and Economic Studies, Human auditory perception and evaluation and Diet and metabolism studies, together about 18.7% of its articles. (generated from OpenAlex topic counts and CAS ranking data)
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From the journal's Aims & Scope
Research area (LetPub): Medicine, Research & Experimental
Main research topics OpenAlex counts of recent articles; shares are approximate
- Diverse Scientific and Economic StudiesEconomics, Econometrics and Finance6.4%
- Human auditory perception and evaluationEngineering6.2%
- Diet and metabolism studiesMedicine6.1%
- Neuroscience of respiration and sleepNeuroscience5.9%
- Neuroscience and Neuropharmacology ResearchNeuroscience5.6%
- Educational Robotics and EngineeringComputer Science5.5%
- Circadian rhythm and melatoninNeuroscience4.2%
- Tryptophan and brain disordersNeuroscience4.1%
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)Medicine Zone 4
| Level | Category | Zone |
|---|---|---|
| Major | Medicine | Zone 4 |
| Minor | Medicine, Research & Experimental | Zone 4 |
Top journal: noReview journal: no
Database indexing
SCIEScopusLetPub
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
- Impact factor
- 0.96LetPub ·
- CiteScore 2026-06
- 1.6LetPub ·
- SJR 2026-06
- 0.26LetPub ·
- SNIP 2026-06
- 0.3LetPub ·
- h-index
- 77LetPub ·
- h-index
- 140OpenAlex ·
- i10-index
- 5,940OpenAlex ·
- 2-year mean citedness
- 0.88OpenAlex ·
- Self-citation rate
- 10%LetPub ·
- Share of gold OA articles
- 24.35%LetPub ·
Volume
- Articles per year
- 187LetPub ·
Articles by year OpenAlex count · 14,681 in total · the current year is incomplete
| Year | Articles | Open access | Citations |
|---|---|---|---|
| 2026 | 244 | 62 | 33 |
| 2025 | 219 | 61 | 161 |
| 2024 | 215 | 60 | 401 |
| 2023 | 171 | 41 | 434 |
| 2022 | 173 | 58 | 529 |
| 2021 | 198 | 91 | 2,107 |
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
- Average review time (community reports)
- about 2.8 monthsLetPub ·
- Average acceptance (community reports)
- 44.54%LetPub ·
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
Hybrid open accessLetPub
A subscription journal in which authors can pay to publish their article open access.
| Source | APC | Fee waiver | License | Observed |
|---|---|---|---|---|
| OpenAlex | USD 2,820 / EUR 2,570 / GBP 2,260 / JPY 332,700 | — | — |
A hybrid journal charges the APC only when the author chooses open access; publishing under the subscription model is usually free.
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
- Churchill Livingstone
- Country or region
- SCOTLAND
- Language
- English
- Frequency
- Monthly
- Founded
- 1975
- ISSN
- 0306-9877
- Electronic ISSN
- 1532-2777
- Official links
- Journal homepage ↗OpenAlex
- Submission system ↗LetPub
FAQ
Frequently asked questions about Medical Hypotheses
What CAS zone is Medical Hypotheses in?
In the 2025 upgraded edition of the CAS Journal Ranking, Medical Hypotheses 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.
What is the impact factor of Medical Hypotheses?
The latest impact factor listed by LetPub is 0.96; CiteScore 1.6, h-index 140.
How long does peer review take at Medical Hypotheses?
Authors report an average review time of about 2.8 months; the community-reported acceptance is “about 44.54%”. 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 Medical Hypotheses?
According to LetPub and DOAJ records, Medical Hypotheses is indexed in SCIE and Scopus.
Is Medical Hypotheses open access, and what is the APC?
Medical Hypotheses is a hybrid journal. For open-access publication: APC about USD 2,820.
Sources and updates
The facts on this page come from LetPub, OpenAlex, 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: .