Study	Reason for exclusion
Chua 2002	Randomization not specified (reported as a conference abstract only); compared Ahmed aqueous shunt surgery with versus without intra‐Tenon injection of MMC
Cillino 2008	No aqueous shunt; randomized trial that compared four groups: trabeculectomy, trabeculectomy with MMC, trabeculectomy with expanded polytetrafluoroethylene, and trabeculectomy with both MMC and expanded polytetrafluoroethylene
Kurnaz 2005	Not a randomized trial; cohort study that compared effects of MMC versus no MMC in Ahmed aqueous shunt surgery
Mahdy 2011	Ineligible comparator; compared Ahmed aqueous shunt surgery with MMC versus bevacizumab for pediatric glaucoma
Yazdani 2015	Ineligible comparator; compared Ahmed aqueous shunt surgery with MMC versus amniotic membrane transplant

^{MMC: mitomycin‐C}