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Metadata & completeness

Trials with posted results

ClinicalTrials.gov (NLM)

80K
studies · 2026-09-07
Gompertz
best-fit model
84K
projected 2027
79K81K83K84K2026202784K 2027
Gompertz (S-curve) fitbest fit (AICc)N(t) = L·e^{−e^{−k(t − t₀)}}
carrying capacity L 147Ksteepness k 0.123 / yrinflection t₀ 2022 0.9996forecast 84K by 2027

Forecast = 10% of the 0-yr record (0.8 yr ahead). Anchored on the latest value; levels off toward L ≈ 147K.

Registered trials that have actually posted results — a transparency / metadata-completeness signal for clinical research.

SourceClinicalTrials.gov (NLM)
Update cadenceweekly
Live endpointhttps://clinicaltrials.gov/api/v2/studies?aggFilters=results:with&countTotal=true&pageSize=1&fields=NCTId
Parsejson · totalCount
Datestudies
2026-09-0780,018
2026-08-2479,794
2026-08-1779,695
2026-08-1079,569
2026-08-0379,445
2026-07-2779,339
2026-07-2079,230
2026-07-1379,112
2026-07-0678,991
2026-06-2578,797

Machine-readable: /api/research-data?metric=ctgov-results · back to all metrics

Report errorpmu15@helmholtz-hzi.de