Overview
Trials, published by Springer Science+Business Media (United Kingdom), published 4,411 papers in 2021–2025, and its papers received 35,923 citations in those years. Its h-index is 133 and its two-year mean citedness is 2.32. On the ITS Journal Score it ranks #3,378 of 62,158 ranked journals and #676 of 8,757 in Medicine.
Key figures
Citations count every citation the journal's papers received in these years, including citations to older papers. Two-year mean citedness is OpenAlex's measure of how often recent papers are cited; it is similar in idea to, but not the same as, an impact factor.
Papers and citations by year
| Year | Papers | Citations received | Open-access papers |
|---|---|---|---|
| 2020 | 1,035 | 19,005 | 1,035 |
| 2021 | 970 | 13,939 | 970 |
| 2022 | 1,080 | 11,333 | 1,080 |
| 2023 | 823 | 5,805 | 823 |
| 2024 | 858 | 3,848 | 858 |
| 2025 | 680 | 998 | 680 |
What it publishes
The leading research topics of its papers (OpenAlex topic classification). Select a topic to find other journals that publish on it.
Similar journals
Ranked journals that publish on the same topics.
| Journal | Field | Score | Papers 2021–2025 | Open access |
|---|---|---|---|---|
| Clinical Trials | Mathematics | 71.1 | 433 | 68% |
| Research Synthesis Methods | Decision Sciences | 81.7 | 410 | 80% |
| Contemporary Clinical Trials Communications | Medicine | 66.4 | 850 | 100% |
| Systematic Reviews | Decision Sciences | 83.0 | 1,453 | 100% |
| Journal of Clinical Epidemiology | Decision Sciences | 84.5 | 1,606 | 70% |
| Ethics & Human Research | Medicine | 56.2 | 209 | 56% |
| Journal of Empirical Research on Human Research Ethics | Medicine | 65.9 | 198 | 62% |
| Research Methods in Medicine & Health Sciences | Mathematics | 43.6 | 93 | 60% |
Identity and sources
- ISSN-L: 1745-6215
- Print ISSN: 1745-6215
- Publisher: Springer Science+Business Media
- Listed in DOAJ: Yes (checked against DOAJ)
- Crossref: ISSN found in Crossref
- OpenAlex: S109512841
- Journal website: trialsjournal.biomedcentral.com
Figures come from OpenAlex (papers, citations, h-index, topics), Crossref (ISSN check) and DOAJ (open-access listing and fees). They change as records are corrected, so treat them as a dated snapshot. This page does not state whether the journal is indexed in Scopus, Web of Science or PubMed.
Questions
What is the ITS Journal Score of Trials?
It is 76.8 out of 100, which places it #3,378 among ranked journals. The score combines citation impact (45%), h-index (35%) and size (20%) from open OpenAlex data.
What is the impact factor of Trials?
This site does not publish Journal Impact Factors, which belong to Clarivate. As an open alternative, its two-year mean citedness in OpenAlex is 2.32.
Is Trials open access?
100% of its papers from 2021–2025 are recorded as open access, and it is listed in DOAJ.
Does Trials charge a publication fee?
DOAJ records an article processing charge of 2,490 EUR. Check the journal's website for the current fee and any waivers.