Single Dose of Antenatal Corticosteroids for Pregnancies at Risk of

Status Recruiting

Clinical Trial Summary

Antenatal corticosteroids (ACS) reduce the risks of neonatal death and morbidities in preterm infants, such as respiratory distress syndrome. The standard of care for pregnant people at risk of preterm birth includes 2 doses of Celestone (for a total of 24 mg in Canada, or 22.8 mg in Australia) to accelerate fetal lung maturity. The investigators plan to conduct a randomized controlled trial to determine whether half the usual dose (12 mg in Canada, or 11.4 mg in Australia) of Celestone is non-inferior to the standard double doses.

Clinical Trial Description

Preterm infants are at risk of mortality and morbidity. Antenatal corticosteroids (ACS) reduce the risks of neonatal death and morbidities, such as respiratory distress syndrome. The standard of care for pregnant people at risk of preterm birth includes 2 doses of Celestone to accelerate fetal lung maturity (total 24 mg in Canada, 22.8 mg in Australia). There are no published clinical trial data on the benefits or risks of a single dose of antenatal corticosteroid vs. standard double doses (Ninan et al JOGC 2020). Pregnant people at 22 weeks and 0 days to < 34 weeks and 6 days' gestation at risk of preterm birth with a singleton or twin gestation who have received the first dose of Celestone and consented to the trial will be randomized to receive approximately 24 hours later either an experimental placebo injection (of normal saline) or the standard double dose of Celestone to determine whether the intervention is non-inferior for the primary outcome of a composite of perinatal mortality or substantial morbidity. Please note: Based on Health Canada's' guidance the study phase is 'Other: Off-Label use'. However, on the clincaltrial.gov record, 'Phase 4' is selected as this is the most relevant phase and there is no option to select 'Other'. Please note: McMaster University, Canada is the Canadian Regulatory Sponsor and Overall Sponsor, and the University of Adelaide Australia is the Australian Sponsor. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT05114096
Study type	Interventional
Source	McMaster University
Contact	Sarah D McDonald, MD,MSc,FRCSC
Phone	905-525-9140
Email	mcdonals@mcmaster.ca
Status	Recruiting
Phase	Phase 4
Start date	July 20, 2023
Completion date	December 31, 2029

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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.

Single Dose of Antenatal Corticosteroids for Pregnancies at Risk of Preterm Delivery (SNACS) — SNACS

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms