The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Business (0 members)
- Business practices (2 members)
- CFR Terminology (1 member)
- CT Registries (1 member)
- Data management (1 member)
- Design (3 members)
- Documentation (6 members)
- Drug discovery (1 member)
- Ethics (10 members)
- FDA (2 members)
- FDA Terminology (1 member)
- Glossary (63 members)
- Hidden categories (10 members)
- History (1 member)
- ICH (3 members)
- ICH Terminology (61 members)
- IMP (2 members)
- ISO Terminology (3 members)
- Inspections (1 member)
- NCI Thesaurus (2 members)
- NIH Terminology (4 members)
- Nonclinical (1 member)
- Organizations (1 member)
- Pages with broken file links (1 member)
- Pages with reference errors (1 member)
- Peoples (1 member)
- Priority-High (0 members)
- Priority-Low (0 members)
- Priority-Medium (0 members)
- Priority Essential (30 members)
- Priority High (32 members)
- Priority Low (18 members)
- Priority Medium (21 members)
- Quality (1 member)
- Reference ICH E6 (41 members)
- Reference ICH E6 (R3) (3 members)
- Reference Title 21 CFR (2 members)
- Regulation EU (3 members)
- Regulation USA (5 members)
- Regulatory (2 members)
- Review done (1 member)
- Review pending (99 members)
- Safety (4 members)
- Stub (17 members)
- Study oversight (4 members)
- Technology (1 member)