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About
The purpose of this study is to examine if a higher dose of indomethacin will increase the rate of ductus arteriosus closure in extremely premature infants without increasing the side effects. The long term objective is to find the optimal dosing of indomethacin for permanent closure of the Ductus and prevent the morbidity related to PDA and the complications of surgical ligation.
Full description
This study is a Phase II randomized, masked, controlled trial that compares the current standard dose of indomethacin to a higher dose for the closure of PDA in premature infants less than 28 weeks of gestation.
Neonates (<28 weeks gestation) who are started on indomethacin treatment (with an initial 3-dose course: 0.2, 0.1, and 0.1 mg/kg of indomethacin) within the first 96 hr after birth will be eligible for this trial if they continue to have Doppler evidence of ductus patency before the third dose of indomethacin. This group of infants have greater than 65% chance of developing symptomatic PDA and surgical ligation even after our standard extended course of indomethacin. Those infants who do not fit the exclusion criteria will be randomized to either a Standard Dose group or to a Higher Dose group after obtaining consent. The infants randomized to the standard group will receive a 4th, 5th, and 6th dose of indomethacin (0.1 mg/kg) at 24 hr intervals (starting at 24 hr after the 3rd dose). The Higher Dose group infants delivered between 26-27 weeks gestation will receive a 4th, 5th, 6th, 7th, 8th and 9th dose of indomethacin (0.1mg/kg) at 12 hr intervals (starting 12 hr after the 3rd dose). The Higher Dose group infants between 24-25 weeks gestation will receive a 4th, 5th, 6th, 7th, 8th and 9th dose of indomethacin (0.25mg/kg) at 12 hour intervals (starting 12 hr after the 3rd dose). To keep the study blinded, the standard group will receive 3 extra doses of saline to match the 3 additional doses given to the higher dose group.
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Inclusion criteria
Exclusion criteria
Chromosomal disorders.
Major congenital anomalies.
Contraindications for indomethacin
Primary purpose
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Interventional model
Masking
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Data sourced from clinicaltrials.gov
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