This is a follow-up study to investigate the long-term safety and efficacy of PNEUMOSTEM® versus placebo, for the treatment of BPD in premature infants. Subjects who participated in and completed the initial stage of the Phase II trial (NCT03392467) will be followed-up until 60 months of corrected age
Subjects who completed the initial stage of the Phase II clinical trial will be followed-up at 7 additional visits: 6, 12,18, 24 months corrected age, 36, 48, and 60 months after birth.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
TRIPLE
Enrollment
60
A single intratracheal administration of PNEUMOSTEM® (1.0 x 10\^7 cells/kg)
A single intratracheal administration of normal saline
Asan Medical Center
Seoul, South Korea
Samsung Medical Center
Seoul, South Korea
Respiratory outcome: Number of hospitalizations
Total number of hospitalizations and the number of hospital stay due to respiratory infection
Time frame: 6 months corrected age
Respiratory outcome: Number of hospitalizations
Total number of hospitalizations and the number of hospital stay due to respiratory infection
Time frame: 12 months corrected age
Respiratory outcome: Number of hospitalizations
Total number of hospitalizations and the number of hospital stay due to respiratory infection is recorded and compared with control group
Time frame: 18 months corrected age
Respiratory outcome: Number of hospitalizations
Total number of hospitalizations and the number of hospital stay due to respiratory infection
Time frame: 24 months corrected age
Respiratory outcome: Number of hospitalizations
Total number of hospitalizations and the number of hospital stay due to respiratory infection
Time frame: 36 months after birth
Respiratory outcome: Number of hospitalizations
Total number of hospitalizations and the number of hospital stay due to respiratory infection
Time frame: 39 months after birth
Respiratory outcome: Number of hospitalizations
Total number of hospitalizations and the number of hospital stay due to respiratory infection
Time frame: 42 months after birth
Respiratory outcome: Number of hospitalizations
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Total number of hospitalizations and the number of hospital stay due to respiratory infection
Time frame: 45 months after birth
Respiratory outcome: Number of hospitalizations
Total number of hospitalizations and the number of hospital stay due to respiratory infection
Time frame: 48 months after birth
Respiratory outcome: Number of hospitalizations
Total number of hospitalizations and the number of hospital stay due to respiratory infection
Time frame: 51 months after birth
Respiratory outcome: Number of hospitalizations
Total number of hospitalizations and the number of hospital stay due to respiratory infection
Time frame: 54 months after birth
Respiratory outcome: Number of hospitalizations
Total number of hospitalizations and the number of hospital stay due to respiratory infection
Time frame: 57 months after birth
Respiratory outcome: Number of hospitalizations
Total number of hospitalizations and the number of hospital stay due to respiratory infection
Time frame: 60 months after birth
Mortality
check whether patient is alive or dead at evaluation time point
Time frame: 6, 12, 18, 24 months corrected age, 36, 48, and 60 months after birth
Growth measured by Z-score
Growth measured by Z-score
Time frame: 6, 12, 18, 24 months corrected age, 36, 48, and 60 months after birth
Neurological developmental status: Korean Developmental Screening Test for infants and children(K-DST)
Neurological developmental status on Korean Developmental Screening Test for infants and children(K-DST)
Time frame: 6, 12, 18, 24 months corrected age,36, 48, and 60 months after birth
Deafness or Blindness
Deafness: audiometry /Blindness: examination of extraocular muscle, fundus photography, optical biometry
Time frame: 24 months corrected age
Bayley Scales of Infant and Toddler Development (Third Edition)
Scale: cognitive, motor, language, social-emotional, adaptive behavior
Time frame: 18~24months corrected age, 36~42months after birth
Gross Motor Function Classification System for Cerebral Palsy
Gross Motor Function Classification System for Cerebral Palsy
Time frame: 24 months corrected age
Number of adverse events
Number of adverse events
Time frame: 6, 12, 18, 24 months corrected age,36, 48, and 60 months after birth
Number of admissions to Emergency Room (ER)
Total number of admissions to Emergency Room (ER) and number of admission to Emergency Room (ER) due to respiratory infection at each evaluation time point
Time frame: 6, 12, 18, 24months corrected age, 36, 39, 42, 45, 48, 51, 54, 57 and 60 months after birth
Medical treatment records
whether or not, the patient is receiving medical treatment(use of oxygen, steroid, or bronchodilator, diuretics, Sildenafil) and if receiving treatment, the duration of the treatment at each evaluation time point
Time frame: 6, 12, 18, 24months corrected age, 36, 39, 42, 45, 48, 51, 54, 57 and 60 months after birth