| Keyword | CPC | PCC | Volume | Score | Length of keyword |
|---|---|---|---|---|---|
| pre registered clinical trial number | 0.94 | 0.6 | 5744 | 3 | 36 |
| pre | 1.91 | 0.7 | 4326 | 78 | 3 |
| registered | 0.64 | 1 | 7287 | 86 | 10 |
| clinical | 0.11 | 0.3 | 452 | 33 | 8 |
| trial | 1.53 | 1 | 9285 | 66 | 5 |
| number | 1.6 | 0.4 | 9929 | 16 | 6 |
| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| pre-registered clinical trial number | 0.49 | 0.2 | 3216 | 19 |
| clinical trial registration number | 0.22 | 0.8 | 8735 | 13 |
| clinical trial registry number | 0.84 | 0.2 | 6238 | 9 |
| how to obtain a clinical trial number | 0.37 | 0.8 | 8741 | 46 |
| national clinical trial number | 0.67 | 0.9 | 5522 | 25 |
| clinical trial protocol number | 1.91 | 0.7 | 2825 | 51 |
| clinical trial number lookup | 1.42 | 0.9 | 1196 | 88 |
| clinical trial subject number | 1.66 | 0.1 | 4955 | 95 |
| medicare clinical trial number | 0.1 | 0.2 | 3668 | 35 |
| register clinical trial gov | 0.64 | 0.9 | 2040 | 72 |
| clinicaltrials.gov registration number | 1.84 | 0.2 | 7483 | 27 |
| clinical trial online registration | 1.83 | 0.5 | 1636 | 68 |
| how to find national clinical trial number | 1 | 0.3 | 9855 | 45 |
| clinical trial for registration | 0.92 | 0.8 | 7385 | 56 |
| what are pre clinical trials | 1.24 | 0.5 | 5424 | 93 |
| clinicaltrials.gov number | 0.88 | 0.7 | 2014 | 21 |
| clinical trial registration requirements | 0.42 | 0.8 | 9172 | 44 |
| request for pre trial | 0.89 | 0.1 | 1101 | 80 |
| clinicaltrials gov phone number | 0.97 | 0.8 | 690 | 29 |
| registration of clinical trials | 1.49 | 0.5 | 780 | 16 |
