This study aims to compare the maternal, fetal, and neonatal outcomes associated with the use of metformin versus glyburide for managing gestational diabetes. The objective is to assess the safety and effectiveness profiles of both medications as potential alternatives to initiating insulin therapy.
Primary Outcome: treatment failure is defined as the initiation of insulin due to failure of glycemic control (more than 10% of high values using 4-point glucose checks) or side effects. Secondary Outcomes: Maternal: * Percentage of fasting and postprandial glucose levels within target levels after initiation of treatment * Incidence of maternal hypoglycemia * Reported maternal side effects * Maternal weight gain * Preterm delivery * Development of pregnancy-induced hypertension * Labor dystocia. * Instrumental delivery and its indication (fetal compromise, delay in progress, or maternal exhaustion) * Mode of delivery * Incidence of third and fourth perineal tear Fetal and neonatal: * Fetal large for gestational age * Intrauterine fetal death * Newborn weight * Gestational age at delivery * Neonatal birth injuries * Stillbirth and neonatal death * Apgar score at 1 minute
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
DOUBLE
Enrollment
180
Metformin (500 to 2000 mg orally)
Glyburide (2.5 mg to 20 mg orally)
Treatment failure
Initiation of insulin due to failure of glycemic control (more than 10% of high values using 4-point glucose checks) or side effects
Time frame: From 28 weeks till 41 weeks of pregnancy
Incidence of maternal hypoglycemia
Incidence of blood glucose levels below 4 mmol/L during the period of treatment
Time frame: From 28 weeks till 41 weeks of pregnancy
Significant side effects
Incidence of maternal significant side effects requiring cessation of treatment (gastrointestinal side effects)
Time frame: From 28 weeks till 41 weeks of pregnancy
Fetal macrosomia (large for gestational age)
Incidence of fetuses growing above the 90th percentile on third ultrasound scan using customised growth chart
Time frame: 32 weeks of gestation to onset of labour
This platform is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional.