To determine the requirement of cysteine in preterm infants with different gestational ages and postnatal age.

Cysteine Requirements for Preterm Infants.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

NL-OMON

Registry ID

NL-OMON21228

Enrollment

Registered

2005-09-07

Start date

2004-11-01

Completion date

Unknown

Last updated

2024-02-28

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

None listed

Interventions

Infants receive a testdiets with graded amounts of Cystine for 32 hours.

Eligibility

Inclusion criteria

Inclusion criteria: 1. Infants born with a gestational age of 26-29 weeks will be studied at a post-conceptional age of 30-32 weeks and at a post-conceptional age of 35-37 weeks. 2. Infants born at a gestational age of 32-34 weeks will also be studied at a post-conceptional age of 35-37 weeks.

Exclusion criteria

Exclusion criteria: 1. Congenital metabolic disease; 2. Congenital anomalies; 3. Gastroinestinal diseases.

Design outcomes

Primary

Measure	Time frame
1. Fractional oxidation of 13C-phenylalanine; 2. Whole body flux of 13C-phenylalanine.	—

Contacts

Public ContactM.A. Riedijk

Erasmus Medical Center, Sophia Children's Hospital, Department of Neonatology, room SP3433, P.O. Box 2060

m.riedijk@erasmus.nl+31 (0)10 4636363

Outcome results