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Study identifier: NCT05114096 Synced from ClinicalTrials.gov · July 29, 2026
● Recruiting

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

Condition: Preterm Birth · Premature Birth · Complication of Prematurity  ·  Sponsor: McMaster University

PhasePhase 4
Planned participants3254
Who can joinFemale, 18 Years to 55 Years
Healthy volunteersNo

About this study

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.

This description comes directly from the study's public registry record.

Talk to the study team

Sarah D McDonald, MD,MSc,FRCSC  ·  905-525-9140  ·  mcdonals@mcmaster.ca

SNACS Coordinating Centre  ·  SNACS@sunnybrook.ca

Always discuss trial participation with your own doctor first.

Locations (25)

University of Calgary, Cumming School of MedicineCalgary, Alberta, CanadaRecruiting
Alberta Health Services; University of AlbertaEdmonton, Alberta, CanadaRecruiting
Royal Columbian HospitalNew Westminster, British Columbia, CanadaNot Yet Recruiting
Fraser Health, University of British Columbia; Jim Pattison Outpatient Care and Surgery CentreSurrey, British Columbia, CanadaNot Yet Recruiting
University of British Columbia; BC Women's HospitalVancouver, British Columbia, CanadaNot Yet Recruiting
Victoria General HospitalVictoria, British Columbia, CanadaNot Yet Recruiting
University of Manitoba, Health Sciences CentreWinnipeg, Manitoba, CanadaNot Yet Recruiting
University of Manitoba; St. Boniface General HospitalWinnipeg, Manitoba, CanadaNot Yet Recruiting
Dr. Everett Chalmers Regional HospitalFredericton, New Brunswick, CanadaRecruiting
The Moncton Hospital, Horizon Health NetworkMoncton, New Brunswick, CanadaRecruiting
Memorial University, Eastern HealthSt. John's, Newfoundland and Labrador, CanadaNot Yet Recruiting
Dalhousie University; Izaak Walton Killam HealthHalifax, Nova Scotia, CanadaRecruiting

+ 13 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT05114096