View clinical trials related to Ductus Arteriosus, Patent.
Filter by:Patent ductus arteriosus is a common morbidity in preterm infants and management of PDA varies among neonatologist. The investigators are conducting a randomized controlled trial to determine the rates of initial patent ductus arteriosus (PDA) closure after completion of a first treatment course.
This is a phase II open-label study evaluating the pharmacokinetics and pharmacodynamics of targeted early use of indomethacin for PDA treatment in preterm neonates <27 weeks' gestational age.
Preterm birth still remains a major cause of perinatal morbidity and mortality worldwide. The exact mechanism stimulating term and preterm births in humans is still unknown. Prostaglandins, by mediating cervical ripening and early stimulation of myometrial contractions, are likely to play a major role in the parturition process. Much of the unique fetal circulation is facilitated by the ductus arteriosus. Patency of the ductus arteriosus in utero is primarily maintained via prostaglandins which are highly expressed by smooth muscle cells located in the media of the ductus arteriosus. The primary objective of this study is to prospectively assess whether any changes in the fetal ductus arteriosus parameters exist at 32 weeks' gestation. The secondary objective is to investigate whether there is an association between the ductus arteriosus parameters and the time to delivery interval at 32 weeks' gestation.
The exact mechanism stimulating the parturition in humans is still relatively unknown. Prostaglandins, by mediating cervical ripening and early stimulation of myometrial contractions, are likely to play a major role in the parturition process. Much of the unique fetal circulation is facilitated by the ductus arteriosus. Patency of the ductus arteriosus in utero is primarily maintained via prostaglandins which are highly expressed by smooth muscle cells located in the media of the ductus arteriosus. The aim of the study is to prospectively observe fetal ultrasound changes related to the ductus arteriosus. The primary objective is to prospectively assess, whether any changes in the fetal ductus arteriosus parameters exist at 40 weeks' gestation. The secondary objective is to investigate whether there is an association between the ductus arteriosus parameters and the time to delivery interval at 40 weeks' gestation.
Patency of the ductus arteriosus (PDA) is functionally essential for fetal circulation, however persistence of ductal patency postnatally may have significant adverse hemodynamic effects in the neonate. Medical therapy for PDA predominantly involves the administration of one of two non-steroidal anti-inflammatory drugs: indomethacin or ibuprofen. Both of these therapies have been shown to be successful in mediating ductal closure in approximately 70% of treated infants. However, the need for a second course of treatment for PDA closure remains quite common. The investigators hypothesize that, because of small differences between the two drugs, a greater percentage of infants who did not respond to a first course of therapy with indomethacin will respond to a second course with ibuprofen than to a repeat course of indomethacin. As such, the investigators aim to compare secondary therapy with a repeat course of indomethacin to secondary therapy with ibuprofen in infants whose ductus remained patent after a first course of therapy with indomethacin.
The purpose of this research is to address the comparative effectiveness and harm of the therapeutics frequently given to pregnant women and their young infants including antibiotics, tocolytic agents, non-steroidal anti-inflammatory drugs, H2 blockers, and steroids. Our overall hypothesis is that the use of an existing electronic medical record with additional resources for precise data collection and 18 month follow up will successfully address current knowledge gaps in therapeutic effectiveness and relative therapeutic harm. We will use an existing electronic medical record into which detailed healthcare information is entered for over 100,000 newborns each year. These infants will comprise the "Source Cohort". Nested within that database, we will prospectively enroll 10% of the population (10,000 newborns) as the Follow-Up Cohort. The current electronic medical record for the Source Cohort does not capture therapeutic dosing with sufficient precision to conduct comparative effectiveness research sufficient to change medical practice. The proposed research will: 1) ensure accurate data collection through electronic monitoring and real-time quality assurance evaluation in the Source Cohort; and 2) conduct 18 months post-hospital follow-up for neurologic outcomes and disability for the Follow-Up Cohort. We will complete assessments of neurologic outcomes and disability using an interactive web-based system, mail, telephone follow up, and in-person examination.
The purpose of this study is to determine how the medications which are used to close the patent ductus arteriosus (PDA) in preterm infants affect brain, kidney and gut blood flow when compared to infants that are not treated with these medications. The medications being used for PDA closure are indomethacin and neoprofen.
The purpose of the study is to determine the safety and efficacy of ibuprofen, compared with indomethacin, in the treatment for the closure of the patent ductus arteriosus in premature babies born under 29 weeks gestation