| Nucleic Acid Type | Clinical application | Evidence level |
CTCs |
| Prognosis | I Metastatic Breast Cancer II-2 Prostate carcinoma |
Exosomes |
| Prognosis | III |
Circulating Nucleic Acids | cfDNA | Prognosis | II-2 |
| cfRNA | Therapy response | III |
| miRNA | Prognosis | Pre-clinical |