| Name of drug database | Description | Number of clinical trial drugs |
| DrugBank [10] | A bioinformatics and cheminformatics resource combining detailed drug data with comprehensive drug target information | 1130 |
| TTD [11] Therapeutic target database | A database providing information about known and explored therapeutic protein and nucleic acid targets, and their drugs | 3147 |
| GtoPdb [12] Guide to PHARMACOLOGY | An online, open-access portal to pharmacological information on all the human targets of prescription drugs | 493 |
| ChEMBL [13] ChEMBL bioactivity database | An Open Data database containing binding, functional and ADMET information for a large number of drug-like bioactive compounds. | 676 |
| BindingDB [14] | A database of experimentally determined protein-ligand binding affinities | 0 |
| KEGG [15] | A collection of databases dealing with genomes, biological pathways, diseases, drugs, and chemical substances | 0 |