Trials by stage

Plus 601 ongoing studies without a phase.

What finished trials found

Finished phase 2, 3 and 4 trials. Phase 1 is left out because it tests safety and dose rather than benefit.

Phase 2 · 490
Phase 3 · 367
Phase 4 · 286

Known result

Stopped or withdrawn

Result exists, not yet judged

Nothing found

Trials started each year

Phase 1Phase 2Phase 3Phase 4

What is being tested now

All approaches →

Where the hypotheses stand

Papers

2,717 trial result papers linked to trials →

Missing results

568 finished trials ended one to five years ago and no results could be found

See them in the Trial Bank →

Assembled by software from public sources and not checked by people. Each record links to its source. Report an error