An Escalating Dose Indomethacin for the Treatment of Persistent Patent

Status Terminated

Clinical Trial Summary

A large patent ductus arteriosus (PDA) is associated with congestive heart failure, pulmonary hemorrhage, chronic lung disease (CLD), necrotizing enterocolitis (NEC) and intraventricular bleeding. Indomethacin is the first line of treatment for PDA. Failure of ductal closure with the first course of indomethacin is reported in 30-40% of infants, with a higher failure rate in infants weighing < 1000 gm. PDA ligation is associated with early postoperative hypotension, oxygenation failure and adverse neurodevelopmental outcome in preterm infants. The use of escalating doses of Indomethacin in the treatment of persistent PDA was found to be safe and decreased the need for PDA ligation without adverse effects in one observational study.We hypothesize that the use of an escalated dose of intravenous indomethacin will result in an increase in the probability of survival without need for surgical ligation of PDA as compared to a standard dose indomethacin in newborn infants < 29 weeks of gestational age with persistent PDA.

Clinical Trial Description

This study is a randomized control trial.Those eligible infants will be randomized to either a Standard Dose group or to Escalating Dose indomethacin group after obtaining parental consent. The infants randomized to the standard dose group will receive indomethacin (0.1 mg/kg) at 24 hr intervals for 5 days. Escalating Dose group infants will receive indomethacin (0.2 mg/kg/dose) at 12 hr intervals for 2 doses, followed by indomethacin (0.3 mg/kg/dose) at 12 hr interval for 2 doses, then Indomethacin (0.4 mg/kg/dose) at 12 hr interval for 2 doses, increased to indomethacin (0.5 mg/kg/dose) at 12 hour interval for 2 doses and finally indomethacin 0.6 mg/kg/dose at 12 hourly interval for 2 doses. To keep the study blinded, the standard group will receive 5 extra doses of normal saline infusion of similar volume at 12 hrly intervals between the indomethacin schedules to match the Escalating dose Indomethacin Schedule. Daily Echo will be performed and if the Echo showed closure of PDA after 3 days of assigned treatment, no further indomethacin will be given in both the groups. ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00750581
Study type	Interventional
Source	University of Calgary
Contact
Status	Terminated
Phase	Phase 2/Phase 3
Start date	August 2008
Completion date	January 2013

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

An Escalating Dose Indomethacin for the Treatment of Persistent Patent Ductus Arteriosus (PDA) In Preterm Infants

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms