Table 2. Characteristics of the main studies and their results for the use of glyburide and metformin in cases of gestational diabetes mellitus.
Study | Patients | Intervention and methods | Maternal and neonatal outcomes | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
| |||||||||||
Birth weight | Neonatal hypoglycemia | Need for Caesarean section | Need for intensive care | Apgar score | Macrosomia | ↓ Fasting blood glucose | ↓ Post-prandial blood glucose | Weight gain in pregnancy | |||
Nachum et al.(12) | 104 women 53 GG 51 GM | GG: 2.5-20mg/day GM: 850-2,550mg/ day after meals | p=0.6 M=G* | p=0.09 M>G† | p=0.7 M=G* | Apgar score>7 p=1 M=G* | >4,000g p=0.6 M=G* | p=0.2 M=G* | p=0.3 M=G* | p=0.8 M=G* | |
Silva et al.(13) | 200 women 96 GG 104 GM | GG: 5-20mg/day GM: 1,000-2,500mg/day | p=0.01 M>G† | p=0.81 M=G* | p=0.88 M=G* | p=0.94 M=G* | In 1’: p=0.56 Up to 5’: p=0.50 M=G* | p=0.18 M=G* | p=0.98 M=G* | p=0.04 M>G† | |
Silva et al.(14) | 72 women 40 GG 32 GM | GG: 5-20mg/day GM: 500-2,500mg/day | p=0.36 M=G* | p=0.89 M=G* | p=0.91 M=G* | p=0.23 M=G* | In 1’: p=0.57 In 5’: p=0.24 M=G* | >4kg p=0.24 M=G* | p=0.15 M=G* | p=0.10 M=G* | p=0.02 M>G† |
George et al.(15) | 159 women 80 GG 79 GM | GG: 2.5-15mg/day GM: 500-2,500mg/day | p=0.001 M>G† | >3.7kg p=0.73 M=G* | p=0.37 M=G* | p=0.28 M=G* | |||||
Moore et al.(16) | 149 women 74 GG 75 GM | GG: 5-20mg/day GM: 500mg-2g/day | p=0.02 M>G† | p=0.32 M=G* | p=0.02 G>M‡ | p=0.37 M=G* | p=0.23 M=G* | p=0.24 M=G* |
GG: Glyburide Group; MG: Metformin Group;
* No significant difference between the use of metformin and glyburide at outcome; † metformin was superior to glyburide at outcome; ‡ glyburide was superior to metformin at outcome.