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Background: Conducting and implementing clinical research response during pandemic and epidemic diseases outbreaks are often fraught with challenges due to their unprecedented nature. In previous research, challenges to the implementation of clinical research responses during pandemic and epidemic outbreaks were identified and solutions suggested. While the emergence of the Covid-19 pandemic has, on one hand, highlighted new and unresolved challenges, several novel solutions such as the Randomised Evaluation of Covid-19 Therapy (RECOVERY) trial were also implemented and reported in the literature. This scoping review, therefore, aims to synthesise and update solutions to the barriers affecting the implementation of clinical research responses during new, emerging or re-emerging diseases of pandemic and epidemic potential, to further inform strategies that would enhance pandemic and epidemic preparedness and response. Methods: This scoping review will be conducted using the Preferred Reporting Items for Systematic Reviews and Meta-analysis- Extension for Scoping Reviews (PRISMA-ScR). Search will be conducted in six scientific databases: Ovid MEDLINE, Ovid Global Health, OVID PsycINFO, Ovid Embase, Scopus Epistemonikos, and complemented by a grey literature search in Google Scholar. Terms related to clinical trial, high consequence infectious diseases and the PEARLES domains will be used in the search. Two reviewers will independently screen retrieved articles in Rayyan software. Descriptive data of studies will be extracted into a pre-developed Microsoft Excel template while qualitative data related to the PEARLES solutions or barriers will be coded in NVivo. Results will be synthesised thematically and presented in a narrative style. Conclusions: This scoping review will synthesise new and updated solutions to the PEARLES challenges encountered during the implementation of clinical research responses to high consequence epidemics and pandemics. Furthermore, it will examine how challenges and proposed solutions identified prior to the emergence of Covid-19 have been addressed and tested in real time.

Original publication





Open Research Europe


F1000 Research Ltd

Publication Date





139 - 139