2. Studies.
| Study | Country | Open‐label | Funding sources | Declaration of interest | Trial registration | Abstract only | |
| 1 | Almeida 2008 | Canada | Yes | Non‐industry | Reported; no CoI | NCT00335439 | No |
| 2 | Almeida 2012 | Canada | No | Non‐industry | Reported; no CoI | NCT01395069 | No |
| 3 | Asano 2008 | Japan | No | Not reported | Reported; no CoI | Not registered | No |
| 4 | Brown 1996 | USA | No | Industry | Not reported | Not registered | No |
| 5 | Cervantes‐Coste 2009 | Mexico | No | Not reported | Reported; no CoI | Not registered | No |
| 6 | Chatziralli 2011 | Greece | No | Not reported | Not reported | Not registered | No |
| 7 | Donnenfeld 2006 | USA | No | Industry/Non‐Industry | CoI | Not registered | No |
| 8 | Elsawy 2013 | Egypt | No | Not reported | Reported; no CoI | Not registered | No |
| 9 | Endo 2010 | Japan | Yes | Not reported | Reported; no CoI | Not registered | No |
| 10 | Italian Diclofenac Study Group 1997 | Italy | No | Not reported | CoI | Not registered | No |
| 11 | Jung 2015 | South Korea | No | Non‐industry | Reported; no CoI | Not registered | No |
| 12 | Kraff 1982 | USA | No | Non‐industry | Not reported | Not registered | No |
| 13 | Li 2011 | China | No | Not reported | Not reported | Not registered | No |
| 14 | Mathys 2010 | USA | No | Non‐industry | Reported; no CoI | NCT00494494 | No |
| 15 | Miyake 2007 | Japan | No | Not reported | Reported; no CoI | Not registered | No |
| 16 | Miyake 2011 | Japan | No | Not reported | CoI | Not registered | No |
| 17 | Miyanaga 2009 | Japan | No | Not reported | Not reported | Not registered | No |
| 18 | Moschos 2012 | Greece | No | Not reported | Reported; no CoI | Not registered | No |
| 19 | Quentin 1989 | Germany | No | Not reported | Not reported | Not registered | No |
| 20 | Rossetti 1996 | Italy | No | Not reported | Reported; no CoI | Not registered | No |
| 21 | Singh 2012 | USA | No | Not reported | CoI | NCT00782717 | No |
| 22 | Solomon 1995 | Canada (8 sites) and Germany (2 sites) | No | Industry | Reported; no CoI | Not registered | No |
| 23 | Tauber 2006 | USA | No | Industry | CoI | Not registered | Yes |
| 24 | Ticly 2014 | Brazil | No | Not reported | Reported; no CoI | Not registered | No |
| 25 | Tunc 1999 | Turkey | No | Not reported | Not reported | Not registered | No |
| 26 | Tzelikis 2015 | Brazil | No | Not reported | Reported; no CoI | NCT02084576 | No |
| 27 | Umer‐Bloch 1983 | Switzerland | No | Not reported | Not reported | Not registered | No |
| 28 | Wang 2013 | China | Yes | Non‐industry | Not reported | Not registered | No |
| 29 | Wittpenn 2008 | USA | No | Industry | CoI | NCT00348244 | No |
| 30 | Yannuzzi 1981 | USA | No | Non‐industry | Not reported | Not registered | No |
| 31 | Yavas 2007 | Turkey | No | Not reported | Reported; no CoI | Not registered | No |
| 32 | Yung 2007 | USA | No | Not reported | Not reported | Not registered | No |
| 33 | Zaczek 2014 | Sweden | No | Industry/Non‐industry | Reported; no CoI | Not registered | No |
| 34 | Zhang 2008 | China | No | Not reported | Not reported | Not registered | No |
CoI: conflict of interest