Single Dose of Antenatal Corticosteroids for Pregnancies at Risk of Preterm Delivery (SNACS)
Launched by MCMASTER UNIVERSITY · Oct 28, 2021
Trial Information
Current as of June 26, 2025
Recruiting
Keywords
ClinConnect Summary
The SNACS trial is studying whether a lower dose of a medication called Celestone, given to pregnant people at risk of preterm birth, is as effective as the standard higher dose. Celestone is a type of antenatal corticosteroid that helps improve the development of a baby's lungs, which can reduce the chances of serious health problems in preterm infants. In this trial, researchers are looking at whether giving 12 mg (instead of the usual 24 mg) can still provide the same benefits.
To participate in this trial, pregnant individuals between the ages of 18 and 55 who are at risk of delivering their baby early and have received only one dose of Celestone within the last 24 hours may be eligible. Participants will need to provide informed consent before joining the study. This trial is currently recruiting, and it’s important to know that certain health conditions or previous participation in the trial may disqualify someone from taking part. If you or someone you know fits the criteria and is interested, this study could contribute to improving care for preterm births.
Gender
FEMALE
Eligibility criteria
- Inclusion Criteria:
- • 1. Pregnant people, aged 18 to 55 years old, at risk of preterm birth with a singleton or twins between 22 weeks and 0 days and \<34 weeks and 6 days gestation who have received only a single dose of Celestone within 24 hours
- • 2. Capable of giving informed, written consent.
- Exclusion Criteria:
- • 1. Contraindication to corticosteroids
- • 2. Systemic corticosteroids for medical conditions during the pregnancy (e.g. lupus, severe asthma, Covid, etc).
- • 3. Previous participation in this trial (in a previous pregnancy)
- • 4. Known severe/life-threatening fetal or pregnant patient condition (e.g. fetal congenital/chromosomal abnormality)
- • 5. Demise of one or more fetuses after 14 weeks and 0 days
About Mcmaster University
McMaster University, a leading research institution located in Hamilton, Ontario, Canada, is renowned for its innovative approach to education and its commitment to advancing healthcare through rigorous clinical research. The university's diverse research programs are supported by a multidisciplinary team of experts dedicated to improving patient outcomes and public health. With a strong emphasis on evidence-based medicine, McMaster University actively engages in clinical trials that explore new therapies, interventions, and health technologies, fostering collaboration among researchers, healthcare professionals, and industry partners to translate findings into real-world applications.
Contacts
Jennifer Cobb
Immunology at National Institute of Allergy and Infectious Diseases (NIAID)
Locations
Hamilton, Ontario, Canada
Victoria, British Columbia, Canada
Toronto, Ontario, Canada
Newcastle, New South Wales, Australia
Hobart, Tasmania, Australia
Halifax, Nova Scotia, Canada
New Westminster, British Columbia, Canada
Tiwi, Northern Territory, Australia
Herston, Queensland, Australia
Toronto, Ontario, Canada
Winnipeg, Manitoba, Canada
Newcastle, New South Wales, Australia
Randwick, New South Wales, Australia
Sydney, New South Wales, Australia
Westmead, New South Wales, Australia
Ipswich, Queensland, Australia
South Brisbane, Queensland, Australia
South Brisbane, Queensland, Australia
Townsville, Queensland, Australia
North Adelaide, South Australia, Australia
Clayton, Victoria, Australia
Heidelberg, Victoria, Australia
Parkville, Victoria, Australia
Saint Albans, Victoria, Australia
Calgary, Alberta, Canada
Edmonton, Alberta, Canada
Surrey, British Columbia, Canada
Vancouver, British Columbia, Canada
Winnipeg, Manitoba, Canada
Fredericton, New Brunswick, Canada
Moncton, New Brunswick, Canada
St. John's, Newfoundland And Labrador, Canada
Kingston, Ontario, Canada
London, Ontario, Canada
Ottawa, Ontario, Canada
Montréal, Quebec, Canada
Montréal, Quebec, Canada
Montréal, Quebec, Canada
Québec City, Quebec, Canada
Sherbrooke, Quebec, Canada
Saskatoon, Saskatchewan, Canada
Halifax, Nova Scotia, Canada
Patients applied
Trial Officials
Sarah D McDonald, MD,MSc,FRCSC
Principal Investigator
McMaster University
Kellie Murphy, MD,MSc,FRCSC
Principal Investigator
University of Toronto
Timeline
First submit
Trial launched
Trial updated
Estimated completion
Not reported
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