The Use of the CPR to Predict Adverse Outcomes in GDM Pregnancies

Status Recruiting

Clinical Trial Summary

The cerebro-placental ratio (CPR) is a tool for assessment of fetal wellbeing in the management of the growth restricted fetus. CPR is the ratio of the fetal middle cerebral artery pulsatility index (PI) to the umbilical artery PI. In Gestational Diabetes (GDM), the common finding is of accelerated and asymmetric fetal growth. Pregnancies complicated by GDM have an increased risk of certain complications such as preeclampsia, intrauterine demise, CS due to fetal distress. These complications have a well known association with fetal growth restriction leading to the hypothesis that there exists a subset of diabetic fetuses that exhibit a growth restriction phenotype despite not being small for gestational age (<10%).The objective of this study is to examine whether the CPR can identify GDM fetuses that are not growth restricted but are at increased risk of certain adverse neonatal outcomes. Women with singleton pregnancies and a diagnosis of GDM at 24 weeks of gestation and beyond will be included. Exclusion criteria are Pre-gestational diabetes, hypertensive disease of pregnancy at time of recruitment, fetus with a known major anomaly, fetal EFW < 10%(IUGR). Women who consent to the study will have a blinded Doppler assessment of CPR. Clinicians will be blinded to these Doppler measurements (unless they are indicated clinically for another reason (suspected fetal anemia or IUGR development- and the results will be unblinded and reported to the clinicians). Obstetric and neonatal outcomes will be collected prospctively via the local BORN database and the patient chart. Local BORN is needed for the registered outcomes. Newborns will be divided post-hoc into two groups: A) last CPR <10% B) Last CPR > 10%. The primary outcome will be a composite outcome consisting of one or more of the following: Caesarean section due to suspected fetal distress, 5 minute Apgar <7, Cord arterial PH < 7, HIE, NICU admission >24 hours.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03072563
Study type	Observational
Source	St. Michael's Hospital, Toronto
Contact	Karizma Mawjee
Phone	416-360-4000
Email	mawjeek@smh.ca
Status	Recruiting
Phase
Start date	March 7, 2017
Completion date	March 7, 2021

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

The Use of the CPR to Predict Adverse Outcomes in GDM Pregnancies — CPR GDM

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms