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Outcomes After Unified Versus Standard GDM Diagnosis

Not Applicable
Not yet recruiting
Conditions
Gestational Diabetes
Diagnosis
Pregnancy
Interventions
Diagnostic Test: NPRP criteria
Diagnostic Test: IADPSG criteria
Registration Number
NCT06401629
Lead Sponsor
Qatar University
Brief Summary

Gestational diabetes mellitus (GDM) is a condition that can affect pregnant women during pregnancy and may cause complications for the mother and the baby. Therefore, early and accurate detection is necessary to provide the woman and the baby with better health outcomes. Currently, the most commonly used criteria to detect GDM is the International Association of Diabetes and Pregnancy Study Groups (IADPSG) criterion. However, there is a suggestion that it results in over-diagnosis of GDM, and newer methods of diagnosis have been proposed. One such proposal is to have more than a binary outcome of assessment of dysglycemia in pregnancy. The investigator group created this criterion known as the National Priorities Research Program (NPRP) criterion. This clinical trial compares the IADPSG to the NPRP criteria in pregnant women in Qatar to determine if this newer method mitigates overdiagnosis and more accurately identifies women at risk of complications.

Detailed Description

This research project explores a crucial aspect of maternal and fetal health: the diagnosis of gestational diabetes mellitus (GDM), a condition that poses risks to both pregnant women and the babies. Gestational diabetes is a condition that can develop during pregnancy, characterized by dysglycemia and associated risks of complications such as pre-eclampsia, cesarean delivery, and macrosomia. For the baby, it raises the risk of developing obesity, type 2 diabetes later in life, and metabolic syndrome. Therefore, early and accurate diagnosis is paramount to manage and mitigate these risks. The IADPSG (International Association of Diabetes and Pregnancy Study Groups) criteria, the current standard for GDM diagnosis, has been widely adopted due to its putative sensitivity in detecting GDM and potential for reducing GDM-related complications. However, this method is not without its limitations, including the risk of over- or under-diagnosis of GDM. This project will investigate the efficacy of an alternative diagnostic method, the National Priorities Research Program (NPRP) criteria, against the conventional IADPSG criteria, diagnosis usually being undertaken between the 24th and 28th weeks of pregnancy. The NPRP criteria are based on a unified assessment of the oral glucose tolerance test (GTT), which could offer a four-level classification of dysglycemia in pregnancy as opposed to the binary diagnosis by the IADPSG criteria, thus having the added benefit of glycemic risk stratification during pregnancy. By comparing the outcomes of pregnancies diagnosed using the NPRP criteria against those diagnosed using the IADPSG criteria, the investigators aim to assess whether the NPRP criteria can provide improved outcomes (Bashir et al. 2021) in terms of maternal and fetal health through better informed GDM-related decision-making. In addition, this study proposes the NPRP criteria as potentially able to mitigate over- and under-diagnosis of GDM. This study will employ a parallel-group, prospective, randomized, pragmatic, controlled trial design and the study investigators will work closely with a cohort of pregnant women throughout pregnancy, employing both diagnostic methods to evaluate their impact on the health of the mother and the baby. The evaluation will not only focus on the immediate outcomes during pregnancy but will also aim to follow up on longer-term metabolic health implications for both mother and child post-delivery after the trial is completed and if the participant consents to such additional follow-up. The significance of this research lies in its potential to transform the current practices in GDM diagnosis, by offering evidence on the effectiveness and benefits of the NPRP criteria, thus paving the way for a shift towards a more patient-centered approach to the diagnosis of gestational diabetes. Determining if the NPRP criteria can lead to better health outcomes for mothers and babies can have profound implications for maternal and child health. Improved diagnostic methods could lead to more timely interventions, reducing the prevalence of complications associated with gestational diabetes and improving the quality of life for countless families. Through this study, the investigators hope to make a significant contribution to the well-being of pregnant women and babies, ensuring a healthier start for the next generation.

Recruitment & Eligibility

Status
NOT_YET_RECRUITING
Sex
Female
Target Recruitment
2650
Inclusion Criteria
  • This will include broad eligibility criteria of age 18-45 years with or without risk factors at first antenatal care (ANC) visit who are willing to undergo testing at 24-28 weeks and able to provide informed consent.
Exclusion Criteria
  • a multiple pregnancy at the time of screening, pre-existing diabetes (T1DM, T2DM)
  • any medical condition affecting glucose metabolism or the results of the GTT (e.g., Cushing's syndrome, bariatric surgery history)
  • known history of major conditions that could interfere with the study or pregnancy outcomes (e.g., severe liver, renal or cardiovascular disorders, chronic infections).

Study & Design

Study Type
INTERVENTIONAL
Study Design
PARALLEL
Arm && Interventions
GroupInterventionDescription
National Priorities Research Program (NPRP) diagnostic criterionNPRP criteriaInterventional diagnostic strategy
International Association of Diabetes and Pregnancy Study Groups (IADPSG) diagnostic criterionIADPSG criteriaControl diagnostic strategy
Primary Outcome Measures
NameTimeMethod
large for gestational age (LGA)Through pregnancy completion, an average of 9 months

infants who weigh \> 90th percentile for gestational age

Secondary Outcome Measures
NameTimeMethod
Adverse events related to treatmentThrough pregnancy completion, an average of 9 months

Report: Number (by group) reporting any GI or systemic adverse effects and split by:

1. Maternal hypoglycemia (glucose \< 4 mmol/L or who received inter-venous glucose rescue)

2. Others (excluding hypoglycemia)

Birth weight (newborn's weight at birth)Through pregnancy completion, an average of 9 months

Report: Numbers (by group) with LGA as well as group means and SD of continuous birth weight

Assisted labor/delivery (including cesarean)Through pregnancy completion, an average of 9 months

Report: Number (by group) of all assisted deliveries as well as split by:

1. Non-cesarean: any of induction/augmentation/vacuum extraction/operative vaginal delivery etc.

2. Elective/Emergency Cesarean Section

3. Primary/repeated Cesarean Section

Glycemic targets unmetThrough pregnancy completion, an average of 9 months

Reports: Number with any of the following: Need to move to insulin; readmission for poor glycemic control; intervention targets unmet

Preterm deliveryThrough pregnancy completion, an average of 9 months

Report: Number (by group) with delivery at \<37 weeks of gestation

Neonatal composite morbidity and mortality outcomeThrough pregnancy completion, an average of 9 months

Report: number (by group) of any neonatal death, stillbirth, or neonatal intensive care unit (NICU) admission and also split by:

1. NICU admission \> 24 hours

2. Neonatal death (within 28 days of birth)

3. Stillbirth

Average plasma glucoseThrough pregnancy completion, an average of 9 months

Report: Group mean and standard deviation (SD); for both pre-prandial and 2 hour postprandial glucose

Total weight gain in pregnancy (kg)Through pregnancy completion, an average of 9 months

Report: Group means and SD of total weight gained during pregnancy

Hypoglycemia within 1 hour of birthThrough pregnancy completion, an average of 9 months

Report: Number (by group) with hypoglycemia (\<=1.65 mmol/L)

Peripartum infectionThrough pregnancy completion, an average of 9 months

Report: Number (by group) of any of chorioamnionitis, urinary tract infections (UTI) or any other maternal infections

Pregnancy induced hypertension (PIH) or pre-eclampsia/ eclampsiaThrough pregnancy completion, an average of 9 months

Report: Number (by group) of all PIH as well as split by

1. Eclampsia/pre-eclampsia

2. Other PIH

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