400
Participants
Start Date
January 1, 2021
Primary Completion Date
December 31, 2026
Study Completion Date
December 31, 2026
one dose of surfactant replacement
the preterm infants diagnosed with NRDS and/or NARDS will be administrated with only one dose of surfactant
two and more doses of surfactant replacement
the preterm infants diagnosed with NRDS and/or NARDS will be administrated with two and more doses of surfactant
RECRUITING
Chen, Chongqing
Children's Hospital of Chongqing Medical University
OTHER
Daping Hospital and the Research Institute of Surgery of the Third Military Medical University
OTHER