+AllTrials Transparency Index

Ranking the world’s biggest pharmaceutical companies by their policies on clinical trials transparency

About this site

In medicine we use the results of clinical trials to make informed treatments about which treatments work best. But there is a problem: the results of clinical trials are being routinely and legally withheld from doctors, researchers, and patients. This is a problem for industry sponsored trials, and for trials funded by governments and charities.

We have ranked all the world’s major drug companies, and a selection of smaller firms, by the commitments they make to clinical trials transparency. Next, we will be ranking the policies of non-industry trial funders. You can find out more about unreported clinical trials at AllTrials.net.

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Company ranking

Rank Name Score Breakdown
1 GlaxoSmithKline 1041
Registration: 15% Summary results: 14% Clinical study reports: 10% Individual patient data: 14%
2 LEO Pharma 1030
Registration: 10% Summary results: 19% Clinical study reports: 13% Individual patient data: 10%
3 Takeda Pharmaceuticals, Inc. 969
Registration: 16% Summary results: 16% Clinical study reports: 8% Individual patient data: 10%
4 Pfizer Inc 892
Registration: 16% Summary results: 8% Clinical study reports: 12% Individual patient data: 9%
5 Novartis Pharmaceuticals Corporation 885
Registration: 17% Summary results: 18% Clinical study reports: 6% Individual patient data: 4%
6 Novo Nordisk A/S 867
Registration: 16% Summary results: 9% Clinical study reports: 9% Individual patient data: 10%
7 Boehringer Ingelheim 819
Registration: 17% Summary results: 11% Clinical study reports: 8% Individual patient data: 5%
8 Amgen Inc 704
Registration: 13% Summary results: 14% Clinical study reports: 5% Individual patient data: 3%
9 Merck & Co. 676
Registration: 13% Summary results: 6% Clinical study reports: 7% Individual patient data: 8%
10 AbbVie 658
Registration: 15% Summary results: 7% Clinical study reports: 2% Individual patient data: 10%
11 Bayer HealthCare LLC 632
Registration: 15% Summary results: 7% Clinical study reports: 6% Individual patient data: 4%
12 Eli Lilly and Company 629
Registration: 11% Summary results: 7% Clinical study reports: 7% Individual patient data: 7%
13 Bristol-Myers Squibb Company 626
Registration: 10% Summary results: 6% Clinical study reports: 7% Individual patient data: 9%
14 Merck KGaA & Merck (EMD) Serono 612
Registration: 11% Summary results: 7% Clinical study reports: 6% Individual patient data: 7%
15 Johnson & Johnson 588
Registration: 14% Summary results: 4% Clinical study reports: 5% Individual patient data: 6%
16 Astellas Pharma 574
Registration: 10% Summary results: 4% Clinical study reports: 6% Individual patient data: 8%
17 Otsuka Pharmaceutical Co., Ltd 518
Registration: 10% Summary results: 8% Clinical study reports: 1% Individual patient data: 7%
18 AstraZeneca Pharmaceuticals LP 513
Registration: 12% Summary results: 9% Clinical study reports: 0% Individual patient data: 4%
19 Daiichi Sankyo, Inc 511
Registration: 10% Summary results: 3% Clinical study reports: 6% Individual patient data: 7%
20 UCB 509
Registration: 14% Summary results: 7% Clinical study reports: 1% Individual patient data: 3%
21 Roche 507
Registration: 0% Summary results: 9% Clinical study reports: 11% Individual patient data: 5%
22 Eisai Inc. 491
Registration: 10% Summary results: 2% Clinical study reports: 5% Individual patient data: 7%
23 Biogen 479
Registration: 10% Summary results: 5% Clinical study reports: 6% Individual patient data: 4%
24 Ipsen 468
Registration: 14% Summary results: 9% Clinical study reports: 0% Individual patient data: 0%
25 Sanofi 464
Registration: 10% Summary results: 4% Clinical study reports: 6% Individual patient data: 4%
26 Lundbeck Inc. 447
Registration: 11% Summary results: 2% Clinical study reports: 6% Individual patient data: 4%
27 Almirall 413
Registration: 14% Summary results: 6% Clinical study reports: 0% Individual patient data: 0%
28 Celgene Corporation 394
Registration: 10% Summary results: 0% Clinical study reports: 6% Individual patient data: 4%
29 PhRMA IFPMA EFPIA JPMA 2005 Joint Position on the Disclosure of Clinical TrialInformation via Clinical Trial Registries and Databases 343
Registration: 14% Summary results: 3% Clinical study reports: 0% Individual patient data: 0%
30 PhRMA IFPMA EFPIA JPMA 2009 update to 2005 Joint Position on the Disclosure of Clinical TrialInformation via Clinical Trial Registries and Databases" 301
Registration: 12% Summary results: 3% Clinical study reports: 0% Individual patient data: 0%
31 Orion Pharma 300
Registration: 10% Summary results: 2% Clinical study reports: 0% Individual patient data: 3%
32 Servier 296
Registration: 15% Summary results: 0% Clinical study reports: 0% Individual patient data: 0%
33 PhRMA "Principles on conduct of clinical trials, communication of clinical trial results." (Updated Dec 2014) 275
Registration: 10% Summary results: 4% Clinical study reports: 0% Individual patient data: 0%
34 Menarini 263
Registration: 10% Summary results: 3% Clinical study reports: 0% Individual patient data: 0%
35 Grunenthal 234
Registration: 0% Summary results: 0% Clinical study reports: 5% Individual patient data: 7%
36 ViiV Healthcare 225
Registration: 0% Summary results: 0% Clinical study reports: 5% Individual patient data: 6%
37 EFPIA/PhRMA "Principles for responsible clinical trial data sharing", 2013 176
Registration: 0% Summary results: 0% Clinical study reports: 5% Individual patient data: 3%
38 Purdue Pharma L.P. 63
Registration: 0% Summary results: 0% Clinical study reports: 0% Individual patient data: 3%
39 Medtronic 38
Registration: 0% Summary results: 2% Clinical study reports: 0% Individual patient data: 0%
40 Abbott 0
Registration: 0% Summary results: 0% Clinical study reports: 0% Individual patient data: 0%
41 Alkermes plc 0
Registration: 0% Summary results: 0% Clinical study reports: 0% Individual patient data: 0%
42 Dainippon Sumitomo Pharma 0
Registration: 0% Summary results: 0% Clinical study reports: 0% Individual patient data: 0%
43 Esteve 0
Registration: 0% Summary results: 0% Clinical study reports: 0% Individual patient data: 0%
44 Gilead 0
Registration: 0% Summary results: 0% Clinical study reports: 0% Individual patient data: 0%
45 Sigma-Tau Pharmaceuticals, Inc. 0
Registration: 0% Summary results: 0% Clinical study reports: 0% Individual patient data: 0%
46 Valeant 0
Registration: 0% Summary results: 0% Clinical study reports: 0% Individual patient data: 0%