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Autoimmune neutropenia in children & adolescents – diagnostic approach, longtime course and psychosocial impact

Autoimmune neutropenia in children & adolescents – diagnostic approach, longtime course and psychosocial impact

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00040882
Enrollment
150
Registered
2026-07-08
Start date
2026-07-02
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

D70

Interventions

Group 1: Data will be gathered by studying available paper-based documentation like doctor’s letters, medical reports and lab reports. Only patients with Autoimmune neutropenia (AIN) will be offered a

Sponsors

Universitätsklinikum Freiburg
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Informed consent Diagnosis of AIN at least one follow-up visit in our Department of Pediatric Hematology and Oncology Diagnosis of reactive neutropenia, severe congenital neutropenia, alloimmune neutropenia, cyclic neutropenia

Exclusion criteria

Exclusion criteria: Absence of informed consent Neutropenia due to treatment of malignant disease

Design outcomes

Primary

MeasureTime frame
Primary endpoint will be to characterize a large cohort of patients with AIN regarding the diagnostic approach compared to existing guidelines and the progression of the disease with focus on the long-term course and evaluation of late effects or complications.

Secondary

MeasureTime frame
Several secondary endpoints including lab parameters, individual duration of neutropenia, number of hospitalizations, frequency of infections, medical history after diagnosis of AIN, and impact of disease on the family’s psychosocial situation will be assessed, as well.

Countries

Germany

Contacts

Public ContactAlexander Puzik

Universitätsklinikum Freiburg

alexander.puzik@uniklinik-freiburg.de+4976127043000

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Aug 10, 2026