Redundant / overlapping / duplicated review question; leads to research waste

Articles that support this problem:

Tai Chi and Parkinson's disease (PD): A systematic overview of the scientific quality of the past systematic reviews

2019 : Complementary therapies in medicine

An overview and methodological assessment of systematic reviews and meta-analyses of enhanced recovery programmes in colorectal surgery

2014 : Bmj open

The mass production of redundant, misleading, and conflicted systematic reviews and meta‐analyses

2016 : The milbank quarterly

Systematic review finds overlapping reviews were not mentioned in every other overview

2014 : Journal of clinical epidemiology

Multiple overlapping systematic reviews facilitate the origin of disputes: the case of thrombolytic therapy for pulmonary embolism

2018 : Journal of clinical epidemiology

Replication, Duplication, and Waste in a Quarter Million Systematic Reviews and Meta-Analyses

2018 : Circulation. cardiovascular quality & outcomes

Overlapping systematic reviews of anterior cruciate ligament reconstruction comparing hamstring autograft with bone-patellar tendon-bone autograft: why are they different?

2007 : Jbjs

Discrepancies in meta-analyses answering the same clinical question were hard to explain: a meta-epidemiological study

2020 : Journal of clinical epidemiology

The art and science of study identification: a comparative analysis of two systematic reviews

2016 : Bmc medical research methodology

Decisions about lumping vs. splitting of the scope of systematic reviews of complex interventions are not well justified: a case study in systematic reviews of health care professional reminders

2012 : Journal of clinical epidemiology

(Meta) analyze this: systematic reviews might lose credibility

2012 : Nature medicine

Why are Cochrane hepato-biliary reviews undervalued by physicians as an aid for clinical decision-making?

2010 : Digestive and liver disease

Characteristics and quality of systematic reviews of acupuncture, herbal medicines, and homeopathy

2003 : Complementary medicine research

Extent and nature of duplication in PROSPERO using COVID-19-related registrations: a retrospective investigation and survey

2022 : Bmj open

A Call for Improving Research on Pain Neuroscience Education and Chronic Pain: An Overview of Systematic Reviews

2023 : Journal of orthopaedic & sports physical therapy

Contradictory Findings of Two Recent Meta-Analyses: What Are We Supposed to Believe About Anesthetic Technique in Patients Undergoing Cardiac Surgery?

2021 : Journal of cardiothoracic and vascular anesthesia

Assessment of Duplicate Evidence in Systematic Reviews of Imaging Findings of Children with COVID-19

2021 : Jama network open

Systematic reviews of convalescent plasma in COVID-19 continue to be poorly conducted and reported: a systematic review

2022 : Journal of clinical epidemiology

Replication of systematic reviews: is it to the benefit or detriment of methodological quality?

2023 : Journal of clinical epidemiology