BMJ Open : Impact Factor & More
eISSN: 2044-6055pISSN: 2044-6055
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Aims and Scope of BMJ Open
BMJ Open is a peer-reviewed open access medical journal that is dedicated to publishing medical research from all disciplines and therapeutic areas. It is published by BMJ and considers all research study types, from protocols through phase I trials to meta-analyses, including small, specialist studies, and negative studies. Publishing procedures are built around fully open peer review and continuous publication, publishing research online as soon as the article is ready. BMJ Open aims to promote transparency in the publication process by publishing reviewer reports and previous versions of manuscripts as prepublication histories.The editor-in-chief is Adrian Aldcroft. Less
Key Metrics
CiteScore 
3.9
Impact Factor
< 5
Scite Index
0.85 5-Year SI
SJR
Q1Medicine (all)
SNIP
1.29
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Topics Covered on BMJ Open
BMJ Open Journal Specifications
Indexed in the following public directories
Web of Science 
Scopus 
DOAJ 
SJR
| Overview | |
| Publisher | BMJ PUBLISHING GROUP |
| Language | English |
| Frequency | Monthly |
| Article Processing Charges | GBP 2060 |
| Publication Time | 24 |
| Editorial Review Process | Open peer review |
| General Details | |
| Language | English |
| Frequency | Monthly |
| Publication Start Year | 2011 |
| Publisher URL | Visit website |
| Website URL | Visit website |
| Publication Details | |
| Editorial Review Detail | |
| Information for authors | |
| Author instructions | Visit website |
| Deposit Policy | Sherpa/Romeo |
| License type | CC BY, CC BY-NC, CC BY-NC-ND |
| OA statement | Visit website |
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Recently Published Papers in BMJ Open
Does hourly variation in ambient nitrogen dioxide increase the risk of acute asthma hospitalisations? A time-series study of Birmingham and Solihull, UK.
- 7 Aug 2026
- BMJ open
Prospective cohort study of unselected nulliparous women with a nested randomised controlled trial of screening using the sFLT1:PlGF ratio, ultrasound and maternal characteristics and intervention using enhanced monitoring and early delivery: study protocol for the POPS2 cohort and randomised controlled trial.
- 7 Aug 2026
- BMJ open
Prospective multicentre study evaluating ctDNA as a biomarker of residual disease after chemoradiotherapy for locally advanced head and neck squamous cell carcinoma: NeckTAR-IN protocol.
- 7 Aug 2026
- BMJ open
STOP-RIO study: protocol for a randomised, controlled, open-label non-inferiority trial to test the safety of discontinuation of riociguat after balloon pulmonary angioplasty in chronic thromboembolic pulmonary hypertension.
- 7 Aug 2026
- BMJ open
'Better Conversations with Primary Progressive Aphasia and other rare dementias (BCPPA plus)' telehealth communication partner training programme: protocol for an NHS embedded randomised controlled feasibility and implementation study.
- 7 Aug 2026
- BMJ open
Intraepithelial serous carcinoma of the endometrium: protocol for a prospective multicentre registry in the Netherlands.
- 7 Aug 2026
- BMJ open
Does hourly variation in ambient nitrogen dioxide increase the risk of acute asthma hospitalisations? A time-series study of Birmingham and Solihull, UK.
- 7 Aug 2026
- BMJ open
Prospective cohort study of unselected nulliparous women with a nested randomised controlled trial of screening using the sFLT1:PlGF ratio, ultrasound and maternal characteristics and intervention using enhanced monitoring and early delivery: study protocol for the POPS2 cohort and randomised controlled trial.
- 7 Aug 2026
- BMJ open
Prospective multicentre study evaluating ctDNA as a biomarker of residual disease after chemoradiotherapy for locally advanced head and neck squamous cell carcinoma: NeckTAR-IN protocol.
- 7 Aug 2026
- BMJ open
STOP-RIO study: protocol for a randomised, controlled, open-label non-inferiority trial to test the safety of discontinuation of riociguat after balloon pulmonary angioplasty in chronic thromboembolic pulmonary hypertension.
- 7 Aug 2026
- BMJ open
'Better Conversations with Primary Progressive Aphasia and other rare dementias (BCPPA plus)' telehealth communication partner training programme: protocol for an NHS embedded randomised controlled feasibility and implementation study.
- 7 Aug 2026
- BMJ open
Intraepithelial serous carcinoma of the endometrium: protocol for a prospective multicentre registry in the Netherlands.
- 7 Aug 2026
- BMJ open
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