LTF and chorioamnionitis: Other clinical trials include supplementation of preterm infants with lactoferrin and cysteine, examination of concentrations of beta-carotene, lutein, and lycopene in preterm infants fed formulas with mixed carotenoids and the effects on the developing eye, early administration of human erythropoietin in very preterm infants, NAC administration to women with intra-amniotic infection and/or inflammation, early enteral administration of vitamin E to extremely premature infants, and multiple trials involving inhaled nitric oxide.