Current status of in silico, preclinical and clinical study registries across the globe: A systematic review and meta-analysis
Abstract
INTRODUCTION: Registration of study protocols brings about transparency and traceability and the amount of publication bias can be estimated. In this study, we have collected and presented data regarding clinical study registries, preclinical, in vitro and in silico study registries across the globe.
MATERIALS AND METHODS: We searched via Google Search Engine with appropriate keywords e.g. name of country (n = 198), name of continent (n = 7), registry, study registry, animal, in silico, virtual, simulation, preclinical, animal, clinical trial. The overall pooled prevalence of clinical study registries and WHO primary registries in per continent was calculated using Medcalc software.
RESULTS: The overall pooled prevalence of clinical study registries were 13% in each continent. The prevalence of WHO primary study registries were 8.9% of the countries per continent. Overall, there are 17 primary registries associated with WHO ICTRP as primary registries, 2 partner registries and 6 registries are affiliated to ICMJE. However, the amount of preclinical animal study registry was quite less (n = 4). Regarding in vitro studies, only country specific in vitro fertilization registries were available, however, in other research domains, registries were absent. Only one simulation study registry was available.
CONCLUSION: At priori study registration is essential to deal with selective reporting. Comparison between study protocol and final report allows us to know the protocol…
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 198 participants or records.
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