BMJ Open

is an online, open access journal, dedicated to publishing medical research from all disciplines and therapeutic areas.

Impact Factor: 2.9
Citescore: 4.4
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The journal publishes 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 pre-publication histories. Authors are asked to pay article-publishing charges on acceptance; the ability to pay does not influence editorial decisions.

All papers are included in MEDLINE/PubMed and Science Citation Index Expanded (Web of Science).

Current Issue

Authors

BMJ Open accepts submissions on a range of article types, including original research, cohort profiles and protocols.

The Author Information section provides specific article requirements to help you turn your research into an article suitable for BMJ Open.

Information is also provided on editorial policies and open access.

Author information Submit a paper

Press Releases

Epidemiology:

Association between physical activity over a 10-year period and current insomnia symptoms, sleep duration and daytime sleepiness: a European population-based study

26 March 2024

Complementary medicine:

Effect of acupuncture on ischaemic stroke in patients with rheumatoid arthritis: a nationwide propensity score-matched study

13 February 2024

Health policy:

Assessment of quality of data submitted for NICE technology appraisals over two decades

13 February 2024

Epidemiology:

Use of drugs for hyperlipidaemia and diabetes and risk of primary and secondary brain tumours: nested case–control studies using the UK Clinical Practice Research Datalink (CPRD)

9 February 2024

Epidemiology:

Association between kimchi consumption and obesity based on BMI and abdominal obesity in Korean adults: a cross-sectional analysis of the Health Examinees study

30 January 2024

Most Read Articles

Epidemiology:

Association between physical activity over a 10-year period and current insomnia symptoms, sleep duration and daytime sleepiness: a European population-based study

26 March 2024

Health policy:

Assessment of quality of data submitted for NICE technology appraisals over two decades

30 March 2024

Emergency medicine:

Comparing physician associates and foundation year 1 doctors-in-training undertaking emergency medicine consultations in England: a quantitative study of outcomes

29 March 2024

Epidemiology:

Association between kimchi consumption and obesity based on BMI and abdominal obesity in Korean adults: a cross-sectional analysis of the Health Examinees study

30 January 2024

Cardiovascular medicine:

Is LDL cholesterol associated with long-term mortality among primary prevention adults? A retrospective cohort study from a large healthcare system

28 March 2024

Mental Health

Mental health:

Shanghai Community-Based Schizophrenia Cohort (SCS): a protocol for establishing a longitudinal cohort and research database of patients with schizophrenia receiving community-based mental health treatment

9 April 2024

Mental health:

Codesigned online cognitive bias modification of interpretations for anxiety and depression in children: study protocol of a randomised controlled trial

8 April 2024

Mental health:

Comparing nurses attending a specialised mental health programme with and without substance use disorder: a retrospective, observational study in Spain

5 April 2024

Mental health:

Perioperative mental health intervention for depression and anxiety symptoms in older adults study protocol: design and methods for three linked randomised controlled trials

3 April 2024

Mental health:

Internet-delivered transdiagnostic psychological treatments for individuals with depression, anxiety or both: a systematic review with meta-analysis of randomised controlled trials

3 April 2024

Recent Articles

Surgery:

The impact of delayed diagnosis and treatment due to COVID-19 on Australian thyroid cancer patients: a qualitative interview study

16 April 2024

Health economics:

Scaling hypertension treatment in 24 low-income and middle-income countries: economic evaluation of treatment decisions at three blood pressure cut-points

16 April 2024

Diabetes and endocrinology:

Cardiovascular safety of evogliptin dual and triple therapy in patients with type 2 diabetes: a nationwide cohort study

16 April 2024

Research methods:

Operational complexities in international clinical trials: a systematic review of challenges and proposed solutions

16 April 2024

Addiction:

Professionals perspectives on interventions to reduce problematic alcohol use in older adults: a realist evaluation of working elements

16 April 2024

Blog Posts

Consistently exercising 2–3 times a week over the long term linked to lower current insomnia risk

28 March 2024

In the news Press release

Top 10 most read in February: reducing burnout, patient data, technology appraisals and COVID-19

27 March 2024

Highly accessed

Top 10 most read in January: energy drinks; cannabis for medical use; and COVID-19 vaccination in Brazil

27 February 2024

Highly accessed

Poor quality clinical data informing NICE decisions on treatments in over half of cases

15 February 2024

In the news Press release

Acupuncture may curb heightened risk of stroke associated with rheumatoid arthritis

15 February 2024

In the news Press release

Altmetrics

Impact of fatigue as the primary determinant of functional limitations among patients with post-COVID-19 syndrome: a cross-sectional observational study
7 June 2023

Association between physical activity over a 10-year period and current insomnia symptoms, sleep duration and daytime sleepiness: a European population-based study
26 March 2024

Coffee consumption and risk of prostate cancer: a systematic review and meta-analysis
11 January 2021

Effect of portable HEPA filters on COVID-19 period prevalence: an observational quasi-interventional study in German kindergartens
30 July 2023

Association between use of systemic and inhaled glucocorticoids and changes in brain volume and white matter microstructure: a cross-sectional study using data from the UK Biobank
30 August 2022

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BMJ Open

Authors

Press Releases

Most Read Articles

Mental Health

Recent Articles

Blog Posts

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