Evidence Briefs · Project Lattice, Phase 0

A stopped trial can leave a question worth revisiting.

Explore a dated Project Lattice snapshot of 52,408 stopped trials and the source records behind its pilot investigations. Funding, site closures and changes in strategy can all leave a trial unfinished. These briefs preserve the imported findings and their limits.

Read the 10 Evidence Briefs Sources and limitations

52,408

trials classified

22,557

stopped for a non-scientific reason

internal audit rounds

0.2%

reported model-adjudicated error rate

See the full 52,408-trial breakdown, ranked by reason →

The pilot finding

The imported pilot snapshot contains 10 cases. 0 of 5 Category-A cases remain classified as still open; 2 of 5 Category-B cases are classified as genuinely unused results.

0 of 5 Category-A candidates classified as still open in the import2 of 5 Category-B candidates classified as unused in the import

The 10 Evidence Briefs

Imported classifications

NCT04505098
A Pragmatic Randomized Trial of Icosapent Ethyl for High-Cardiovascular Risk Adults
Category A: Unanswered Problem (candidate)
medium confidenceSuccessor found
NCT04790786
UPMC OPTIMISE-C19 Trial, a COVID-19 Study
Category A: Unanswered Problem (candidate)
high confidenceAnswered elsewhere
NCT00855478
French Post-Marketing Surveillance Survey
Category A: Unanswered Problem (candidate)
medium confidenceAnswered elsewhere
NCT01989026
A Randomized Trial of Providing BCG Vaccination Immediately
Category A: Unanswered Problem (candidate)
high confidenceActually published
NCT04141917
Test-and-treat for Influenza in Homeless Shelters
Category A: Unanswered Problem (candidate)
high confidenceActually published
NCT01533818
Community Based Management of Fast Breathing in Infants Aged < 60 Days in Low-income Settlements of Karachi
Category B: Unused Result (candidate)
high confidenceActually published
NCT00734110
Long-term Study of The Press Fit Condylar (P.F.C.) Sigma Total Knee Replacement System
Category B: Unused Result (candidate)
medium confidenceClassified as unused
NCT00805311
Aggressive Medical Treatment Evaluation for Asymptomatic Carotid Artery Stenosis
Category B: Unused Result (candidate)
high confidenceActually published
NCT00947375
Lamictal TM, Haloperidol Decanoate in Schizophrenia
Category B: Unused Result (candidate)
high confidenceActually published
NCT00208390
A Multi-centre Study to Assess the Long-term Performance of the Summit™ Hip in Primary Total Hip Replacement
Category B: Unused Result (candidate)
medium confidenceClassified as unused