Infant, Premature Clinical Trial
Official title:
Single-Dose Vitamin E for Prevention of Mortality and Morbidity in Extremely Preterm Infants: Pilot Study
The purpose of this pilot trial is to test the safety and efficacy of administering one dose of vitamin E, via a tube into the stomach, to extremely preterm infants (less than 27 weeks gestation and less than 1000 grams birth weight). This pilot will examine whether a single dose of vitamin E will be absorbed into the infants' bloodstreams with resulting serum α-tocopherol level in the target range of 1-3 mg/dl.
Intraventricular hemorrhage (IVH) -- bleeding into the brain's ventricular system -- is one
of the most common complications of prematurity, affecting an estimated 10-40% of very low
birth weight (<1500 g) infants born at less than 35 weeks of gestation. Mortality from
severe (high-grade) IVH is 27-50%. Severe IVH can result in developmental delays and
life-long neurological deficits, including cerebral palsy and seizures.
A number of strategies have been used in efforts to prevent IVH, including: antenatal
corticosteroids, maternal vitamin K, delayed clamping of the umbilical cord, indomethacin,
ethamsylate, inositol, and muscle paralysis. With the exception of antenatal corticosteroids
and indomethacin, these measures have met with only limited success. Supplemental vitamin E,
given in the first few hours of life to all premature infants, offers a promising low-risk
approach to preventing and/or lessening the severity of IVH.
This safety and efficacy pilot trial will examine whether one dose of vitamin E
(dl-α-tocopheryl acetate), given intragastrically to preterm infants <27 weeks gestation and
<1000 grams birth weight, will produce blood serum α-tocopherol levels in the target range
of 1-3 mg/dl. Based on the results of this pilot, a Phase III randomized control trial will
be developed to test whether a single dose of vitamin E can reduce the incidence of death or
neurodevelopmental impairment at 18-22 months corrected age in these preterm infants.
Most intraventricular hemorrhages occur in the first 72 hours after birth. Because of this,
to prevent IVH, it must be given as soon as possible after birth. Eligible, consented
infants will be assigned to either a vitamin E group or a placebo group. Infants in the
vitamin E group will receive 1.0 ml/kg of dl-α-tocopheryl acetate (Aquasol E®); infants in
the placebo control group will receive a similar amount of sterile water. The dose will be
given within 4 hours of birth via a tube into the stomach. Blood samples will be taken from
all infants before the dose is given, 24 hours after dosing, and 7 days after dosing to
measure how well the vitamin E is absorbed into the bloodstream.
;
Allocation: Randomized, Endpoint Classification: Safety Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention
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