Systematic Review of Systematic Reviews, Umbrella Review, Review of Reviews, Summary of Systematic Reviews, Synthesis of Reviews, Review of Systematic Reviews, Review of Reviews, Review of Meta-analyses, Meta-review, Systematic Meta-review, Meta-Meta-analysis
It is a systematic review of systematic reviews. "The intent of this kind of review is to include systematic reviews or meta-analyses as the main study type and thus examine only the highest level of evidence." Examines two or more systematic reviews or evidence syntheses.
Source: Blackwood D (2016)
Overviews of Reviews are best designed for:
Cochrane Collaboration: Overviews of Reviews
JBI Manual: Umbrella Reviews (2020)
Aromataris E, Fernandez R, Godfrey C, et al. Summarizing systematic reviews: methodological development, conduct and reporting of an umbrella review approach. International journal of evidence-based healthcare. 2015;13:3.
Smith V, Devane D, Begley C and M Clarke. Methodology in conducting a systematic review of systematic reviews of healthcare interventions. BMC Medical Research Methodology. 2011;11:15.