The graph shows the registries used by studies approved in 2024. The y axis shows the percentage of studies. The x axis shows the public registry used for the clinical trial.
72% of clinical trials were registered on ClinicalTrials.gov only. 26% were registered on ISRCTN only. 2% were registered on both ClinicalTrials.gov and ISRCTN. No clinical trials (0%) were registered on any other World Health Organization (WHO) recognised registry.