| 20 μg once daily | Human | human | Not reported | 24 weeks | Randomized trial in people · n = 634 | Rosenstock 2013 |
| 20 μg | Human | human | Not reported | 24 weeks | Randomized trial in people · n = 495 | Riddle 2013 |
| 20 µg once daily | Human | human | Not reported | 24 weeks | Randomized trial in people · n = 484 | Pinget 2013 |
| 20 µg | Human | human | Not reported | 24 weeks | Randomized trial in people · n = 446 | Riddle 2013 |
| 20 µg once daily | Human | human | Not reported | 26 weeks | Randomized trial in people · n = 404 | Nauck 2016 |
| 20 µg once daily | Human | human | Not reported | 24 weeks | Randomized trial in people · n = 391 | Yu 2014 |
| 20 μg once daily before breakfast | Human | human | Not reported | 24 weeks | Randomized trial in people · n = 350 | Meneilly 2017 |
| Fixed-ratio LixiLan, 2 units insulin glargine to 1 µg lixisenatide once daily; started at 10 units/5 µg and titrated to fasting plasma glucose | Human | human | Not reported | 24 weeks | Randomized trial in people · n = 323 | Rosenstock 2016 |
| 20 μg once daily | Human | human | injection | 24 weeks | Randomized trial in people · n = 319 | Van 2014 |
| 10 µg once daily weeks 1-2, then 20 µg once daily | Human | human | subcutaneous | 28 days | Randomized trial in people · n = 148 | Kapitza 2013 |
| 10 µg initially, increased weekly by 5 µg to 20 µg once daily | Human | human | subcutaneous | Not reported | Randomized trial in people · n = 136 | Yamada 2017 |
| 20 μg/day | Human | human | Not reported | 24 weeks | Randomized trial in people · n = 127 | Onishi 2015 |
| 20 μg/day | Human | human | Not reported | 12 weeks | Randomized trial in people · n = 38 | Otowa-Suematsu 2018 |
| 20 µg | Human | human | Not reported | 8 weeks | Randomized trial in people · n = 35 | Tonneijck 2017 |
| 5 μg in iGlarLixi 5 U/5 μg | Human | human | subcutaneous | single dose | Randomized trial in people · n = 20 | Inoue 2019 |
| 20 µg once daily | Human | human | Not reported | 24 weeks | Randomized trial in people | Seino 2012 |
| 20 µg once daily | Human | human | Not reported | 8 weeks | Randomized trial in people | Meier 2015 |
| 20 μg once daily after titration | Human | human | subcutaneous | 12 weeks | Randomized trial in people | Fonseca 2012 |
| 5 microg once daily | Human | human | subcutaneous | 13 weeks | Randomized trial in people | Ratner 2010 |
| 10 microg once daily | Human | human | subcutaneous | 13 weeks | Randomized trial in people | Ratner 2010 |
| 20 microg once daily | Human | human | subcutaneous | 13 weeks | Randomized trial in people | Ratner 2010 |
| 30 microg once daily | Human | human | subcutaneous | 13 weeks | Randomized trial in people | Ratner 2010 |
| 5 microg twice daily | Human | human | subcutaneous | 13 weeks | Randomized trial in people | Ratner 2010 |
| 10 microg twice daily | Human | human | subcutaneous | 13 weeks | Randomized trial in people | Ratner 2010 |
| 20 microg twice daily | Human | human | subcutaneous | 13 weeks | Randomized trial in people | Ratner 2010 |
| 30 microg twice daily | Human | human | subcutaneous | 13 weeks | Randomized trial in people | Ratner 2010 |
| 20 μg once-daily | Human | human | Not reported | 24 weeks | Randomized trial in people | Rosenstock 2014 |
| 5 to 30 µg once daily | Human | human | Not reported | 5 to 6 weeks | Randomized trial in people | Seino 2014 |
| 5 to 30 µg twice daily | Human | human | Not reported | 5 to 6 weeks | Randomized trial in people | Seino 2014 |
| 20 μg once daily | Human | human | Not reported | 24 weeks | Randomized trial in people · n = 108 | Dailey 2019 |
| 20 μg | Human | human | Not reported | 8 weeks | Randomized trial in people · n = 35 | Tonneijck 2019 |
| 20 μg once daily | Human | human | Not reported | 8 weeks | Randomized trial in people · n = 34 | Tonneijck 2018 |
| 10-20 μg daily | Human | human | subcutaneous | Not reported | Randomized trial in people · n = 6,063 | Muskiet 2018 |
| 20 µg once daily | Human | human | subcutaneous | Not reported | Randomized trial in people · n = 3,188 | Raccah 2015 |
| 5-20 μg, increased every fifth day by 2.5 μg | Human | human | subcutaneous | 28 days | Randomized trial in people · n = 43 | Lorenz 2013 |
| 2.5, 5, 10 or 20 µg | Human | human | subcutaneous | single dose | Randomized trial in people · n = 20 | Becker 2015 |
| ≥5 µg | Human | human | subcutaneous | single dose | Randomized trial in people · n = 20 | Becker 2015 |
| 10 μg | Human | human | subcutaneous | Not reported | Randomized trial in people · n = 15 | Jones 2019 |
| 10 mcg | Human | human | subcutaneous | single dose | Randomized trial in people · n = 15 | Jalleh 2020 |
| 10 μg | Human | human | subcutaneous | Not reported | Randomized trial in people · n = 15 | Marathe 2022 |