%0 Journal Article %T Progress and challenges of network meta-analysis. %A Tian J %A Gao Y %A Zhang J %A Yang Z %A Dong S %A Zhang T %A Sun F %A Wu S %A Wu J %A Wang J %A Yao L %A Ge L %A Li L %A Shi C %A Wang Q %A Li J %A Zhao Y %A Xiao Y %A Yang F %A Fan J %A Bao S %A Song F %J J Evid Based Med %V 14 %N 3 %D Sep 2021 %M 34463038 %F 6.224 %R 10.1111/jebm.12443 %X In the past years, network meta-analysis (NMA) has been widely used among clinicians, guideline makers, and health technology assessment agencies and has played an important role in clinical decision-making and guideline development. To inform further development of NMAs, we conducted a bibliometric analysis to assess the current status of published NMA methodological studies, summarized the methodological progress of seven types of NMAs, and discussed the current challenges of NMAs.