Extremely low birth weight infants <500 g: analysis of mortality and short- and long-term morbidity

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00040085

Enrollment

200

Registered

2026-04-28

Start date

2026-10-01

Completion date

Unknown

Last updated

2026-09-14

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

Conditions

P07.00

Interventions

Group 1: Retrospective observational group of preterm infants with a birth weight <400 g who were born and treated between 2012 and 2024 at the perinatal centers in Ulm or Datteln. Anonymized routine

Eligibility

Sex/Gender

All

Age

0 Days to No maximum

Inclusion criteria

Inclusion criteria: Birth at one of the participating perinatal centers (Ulm or Datteln) within the defined study period

Exclusion criteria

Exclusion criteria: Birth weight >500 g and birth outside the participating centers

Design outcomes

Primary

Measure	Time frame
Mortality (survival until hospital discharge)	—

Secondary

Measure	Time frame
Short-term morbidity, defined as the occurrence of bronchopulmonary dysplasia (BPD), intraventricular hemorrhage (IVH), retinopathy of prematurity (ROP), necrotizing enterocolitis (NEC), infections during hospitalization, and abnormalities in differential blood counts. Long-term outcomes, defined as neurodevelopmental outcome at a corrected age of 2 years, growth (weight development), and feeding behavior.	—

Measure

Time frame

Short-term morbidity, defined as the occurrence of bronchopulmonary dysplasia (BPD), intraventricular hemorrhage (IVH), retinopathy of prematurity (ROP), necrotizing enterocolitis (NEC), infections during hospitalization, and abnormalities in differential blood counts. Long-term outcomes, defined as neurodevelopmental outcome at a corrected age of 2 years, growth (weight development), and feeding behavior.

—

Countries

Germany

Contacts

Public ContactJochen Essers

Universitätsklinikum Ulm, Klinik für Kinder- und Jugendmedizin, Sektion Neonatologie und pädiatrische Intensivmedizin

jochen.essers@uniklinik-ulm.de+49 731-500 57168

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Sep 19, 2026