| Study Design & Methodology | Terms related to how trials are structured and conducted |
| Study Timeline & Status | Terms describing the temporal aspects and current state of trials |
| Study Arms & Interventions | Terms about treatment groups and therapeutic approaches |
| Participant-Related Terms | Terms concerning study subjects and eligibility |
| Safety & Outcomes | Terms related to results and adverse events |
| Study Phases | Terms describing different stages of clinical research |
| Documentation & Oversight | Terms about trial documentation and monitoring |
| Study Identification & Registration | Terms related to trial registration and identification |
| Responsible Parties & Organizations | Terms about key stakeholders and personnel |
| Regulatory & Compliance | Terms concerning legal and regulatory requirements |
| Study Types & Classifications | Terms describing different kinds of clinical research |