Study	Reason for exclusion
Alloway 1993	Randomised controlled trial, but participants with renal insufficiency, history of gastrointestinal adverse events to non‐steroidal anti‐inflammatory drugs, peptic ulcer or gastritis, or any other contraindication to indomethacin were included in the trial but placed in the triamcinolone group (non‐randomised); other participants were randomised; data for randomised participants were not reported separately
Arnold 1988	Review
Bach 1979	Observational study
Cunovic 1973	Observational study
Cuq 1973	Observational study
Ecker‐Schlipf 2009	Wrong study type ‐ summary of the article Janssens 2008a
Janssens 2009	Wrong study type ‐ Dutch translation of Janssens 2008a
Kudaeva 2007	Wrong population ‐ not acute gout (participants with acute arthritis for > 3 weeks)
Navarra 2007	Meta‐analysis of different randomised trials of etoricoxib sponsored by the drug company Merck
NCT00997581	Study withdrawn
Reardon 1980	Study drug (feprazone) no longer available
Ruotsi 1978	Study drug (proquazone) no longer available
Steurer 2016	Wrong study type ‐ summary of Janssens 2008a and Rainer 2016
Tumrasvin 1985	Wrong comparator ‐ comparison of 2 different doses of the same drug
Valdes 1987	Wrong comparator ‐ comparison of 2 different doses of the same drug
Weiner 1979	Study drug (fenoprofen) no longer available
Werlen 1996	Observational study
Xu 2015	Wrong population: patients with peptic ulcer haemorrhage and acute gout