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L-arginine Concentrations and CPS Polymorphisms in VLBW Infants

Infant, Very Low Birth Weight Clinical Trial

Official title:
Carbamoyl-phosphate Synthase Gene Polymorphisms Influencing Plasma L-arginine Concentrations in Preterm Infants

Clinical Trial Summary

Plasma L-arginine concentrations are decreased in premature infants with necrotizing enterocolitis (NEC). A carbamoyl-phosphate synthetase 1 (CPS1) polymorphism has been correlated with low plasma concentrations of L-arginine in neonates (> 35 weeks of gestation). Recently Moonen et al (Pediatr Res 2007; 62(2):188-90) described a correlation between this CPS1 T1405N single nucleotide polymorphism (SNP) and the presence of NEC in VLBW infants. However there is no data about the correlation between the plasma arginine concentrations and the T1405N SNP in the CPS-1 gene in VLBW infants. In the present project we postulate that T1405N SNP in the CPS-1 gene is associated with lower plasma arginine concentrations and is also a risk factor for the development of NEC.

Clinical Trial Description

Plasma L-arginine concentrations are decreased in premature infants with necrotizing enterocolitis (NEC). A C-to-A nucleotide transversion (T1405N) in the gene that encodes carbamoyl-phosphate synthetase 1 (CPS1), the rate-limiting enzyme in the urea cycle, has been correlated with low plasma concentrations of L-arginine in neonates (> 35 weeks of gestation). Recently Moonen et al (Pediatr Res 2007; 62(2):188-90) described a correlation between this CPS1 T1405N single nucleotide polymorphism (SNP) and the presence of NEC in VLBW infants. However there is no data about the correlation between the plasma arginine concentrations and the T1405N SNP in the CPS-1 gene in VLBW infants. In the present project we postulate that T1405N SNP in the CPS-1 gene is associated with lower plasma arginine concentrations and is also a risk factor for the development of NEC. ;

Study Design

Intervention Model: Single Group Assignment, Masking: Open Label

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00554866
Study type Interventional
Source Maastricht University Medical Center
Contact
Status Completed
Phase N/A
Start date July 2007
Completion date December 2014
View Details
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