Study Number of patients Number of patients +Metformin (Y/N) GKAs GKAs Frequency Following up days Modified Jadad score
PLACEBO
GKAs
Drug name Dose (mg·d-1)
Meininger et al. 2011 114 118 Y MK-0941 40 QD 60 7
Wilding et al.2013 88 91 Y AZD1656 10-140 titration 120 7
Zhang et al.2013 22 15 N LY2599506 200 BID 90 4
Amin et al.2015 61 61 Y PF-04937319 100 QD 84 4
Zhi et al.2016 12 7 N RO4389620 400 BID 2 4
Zhu et al.2018 53 49 Y HMS5552 150 BID 84 7
Vella et al.2019 48 42 Y TTP399 800 QD 180 7