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Industry Clinical Trials Stopped Early
Terminated trials as a share of company-led trials that ended over the past 12 months, %
Plays the chart through its history. Pauses are where the data set a record or moved most.
ClinicalTrials.gov. Company-led interventional trials that ended, over the 12 months to each month; the newest three months are held back while late reports arrive.
How often companies pull the plug. Trials are stopped when the science disappoints, patients cannot be found, or money and strategy change; a rising share is an early sign of pipeline cuts.
What this chart reads
- Industry Clinical Trials Stopped Early (% of Trials Ended)as “Stopped early”latest 2026-06-01
Sources
Industry Clinical Trials Stopped Early (% of Trials Ended). Source: ClinicalTrials.gov (U.S. National Library of Medicine), API v2, refreshed weekly. Palanor counts and classifies the records as described above; it does not change them. ClinicalTrials.gov disclaimer: the U.S. government does not review or approve the safety and science of all studies listed; sponsors and investigators are responsible for their listings.
Charts are drawn from Palanor's signal library and recomputed from source data on every view. Transformations (changes, indexing, year-on-year rates) are Palanor's.