How long results take

For finished trials, how long from the end of the trial to its first results paper, and how many never report.

Months to the first paper

  • Academic and other
  • Industry

Months from trial end. Trials without a first-paper date are not included in these bands.

MonthsAcademic and otherIndustry
0 to 123742
13 to 242539
25 to 361826
More than 362940

Share without results

Academic and other

Phase 1 / Phase 2
21% · 12 of 56
Phase 2
18% · 20 of 109
Phase 2 / Phase 3
25% · 7 of 28
Phase 3
18% · 7 of 40
Phase 4
22% · 16 of 72

Industry

Phase 1 / Phase 2
30% · 3 of 10
Phase 2
16% · 18 of 110
Phase 2 / Phase 3
36% · 4 of 11
Phase 3
5% · 9 of 167
Phase 4
10% · 9 of 87
Missing results →
Assembled by software from public sources.