Table 1.
Number of clinical trials with references in publications from CORD-19 corpus
| Clinical trial registry | Number of identified trials | Number of publications |
|---|---|---|
| ClinicalTrials.gov | 1180 | 1823 |
| Australian New Zealand Clinical Trials Registry | 18 | 25 |
| Chinese Clinical Trial Registry | 53 | 142 |
| German Clinical Trials Register | 3 | 5 |
| Iranian Registry of Clinical Trials | 1 | 1 |
| Japan Primary Registries Network | 8 | 9 |
| ISRCTN registry | 18 | 23 |
| EU Clinical Trials Register | 1 | 3 |
| Korean clinical trial registry (CRiS) | 3 | 3 |
| Pan African Clinical Trial Registry | 1 | 2 |
| Clinical Trials Registry - India | 3 | 3 |