CT.gov Hiddenness Atlas
2026-03-29 | full-registry audit | plots, figures, and E156 bundle
Industry Story

Industry is not the only hiddenness problem, but it is still a large one

Industry contributes tens of thousands of long-past missing-results records and remains sparse on several explanatory fields.

Largest sponsors
Absolute counts
Rate leaders
Field sparsity

Industry Story

Industry studies
128,464
All sponsor-class records
Closed interventional
87,296
Industry only
2-year stock
44,007
Missing posted results
Eligible rate
58.1%
Older closed studies
INDUSTRY BY STOCKLargest industry sponsors by absolute 2-year no-results countGlaxoSmithKline1,246AstraZeneca864Boehringer Ingelheim856Sanofi852Pfizer837Novartis Pharmaceuticals757Bayer679Hoffmann-La Roche586Novo Nordisk A/S579Bristol-Myers Squibb575
The biggest unresolved industry blocks sit with large multinational portfolios such as GlaxoSmithKline, AstraZeneca, Boehringer Ingelheim, Sanofi, and Pfizer.
INDUSTRY BY RATEHighest industry 2-year no-results rates among sponsors with at least 50 eligible older studiesAbbott Nutrition100.0%Ranbaxy Laboratories Limited100.0%Daewoong Pharmaceutical Co. LTD.100.0%HK inno.N Corporation100.0%Sunshine Lake Pharma Co., Ltd.100.0%Chong Kun Dang Pharmaceutical99.5%Yuhan Corporation98.7%PepsiCo Global R&D98.5%Chia Tai Tianqing Pharmaceutical Group Co., Ltd.98.2%Mylan Pharmaceuticals Inc98.1%
Rate-based leaders are not always the biggest by count, which is why this project reports both views.
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