Completion cohorts drift upward on reporting debt even after two years

Dashboard

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Once every cohort has had at least two years, the recent eras still do worse on both missing results and ghost protocols.

How to read the dashboard

Eligible older

249,507

All cohorts combined

2008-2012 no results

64.4%

Older benchmark

2021-2024 no results

77.0%

Most recent eligible era

2021-2024 visible

10.8%

Results plus publication

Completion years

The year-level series shows the same recent upward drift seen in the broader era buckets.

The gap between the red and blue lines represents publication-only visibility, which remains large but does not rescue the underlying reporting debt story.

Era no-results rates

The recent eligible era reaches 77.0 percent on the 2-year no-results metric.

Era buckets smooth the year-by-year noise and make the direction easier to read on a public page.

Era ghost rates

Ghost protocols rise again in the most recent eligible era rather than disappearing with time.

This matters because the ghost state is the strongest visible form of evidence absence in the registry itself.

Read Across Projects

Across The Series

Each project isolates a different dimension of registry opacity, but the point is the contrast between them, not a single leaderboard.

Industry

CT.gov Industry Disclosure Gap

Industry-focused missing-results stock, sponsor backlogs, and structural sparsity inside CT.gov.

Sponsor Classes

CT.gov Sponsor-Class Hiddenness

Sponsor-class comparisons on rate, stock, and structural hiddenness rather than one flattened ranking.

Phases

CT.gov Phase Reporting Gap

Phase-by-phase disclosure gaps showing how silence changes along the development pathway.

Structural

CT.gov Structural Missingness

Field-level missingness across publication links, IPD statements, descriptions, and locations.

Visibility

CT.gov Evidence Visibility Gap

Results-plus-publication visibility states showing how many older trials are fully visible, partly visible, or ghosted.

Conditions

CT.gov Condition Hiddenness Map

Keyword-classified therapeutic-area hiddenness mapping across common condition families.

Concentration

CT.gov Sponsor Backlog Concentration

Concentration and inequality analysis showing how much unresolved stock sits inside a thin sponsor slice.