Study	Reason for exclusion
Blank 2010	Ineligible study design; not RCT
ChiCTR1800020315	Ineligible participants; did not include participants with acute gout
Hill 2013	Ineligible intervention; did not include colchicine as the intervention
Karimzadeh 2006	Ineligible participants; did not include participants with acute gout
Liu 2015	Ineligible intervention; did not include colchicine as the intervention
Moon 2011	Ineligible study design; not RCT
Paulus 1974	Ineligible participants; did not include participants with acute gout
Rapado 1975	Ineligible intervention; did not include colchicine as the intervention
Schlesinger 2002	Ineligible intervention ‐ both groups treated with similar doses of prednisolone and colchicine; did not include colchicine as the intervention
Schlesinger 2011	Ineligible participants; did not include participants with acute gout
Yamanaka 2018	Ineligible participants; did not include participants with acute gout
Yang 2018	Ineligible intervention; did not include colchicine as the intervention