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Autoimmune-Lymphproliferative Primary Immunodeficiencies: A clinical, immunological and genetic cohort study (AL-PID study, formerly: ALPS study)

Autoimmune-Lymphproliferative Primary Immunodeficiencies: A clinical, immunological and genetic cohort study (AL-PID study, formerly: ALPS study) - AL-PID (formerly: ALPS)

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
DRKS
Registry ID
DRKS00011383
Enrollment
600
Registered
2016-12-21
Start date
2017-09-01
Completion date
Unknown
Last updated
2026-06-01

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

Conditions

Autoimmune Lymphoproliferative Syndrome

Interventions

Group 1: observation of patients with chronic benign lymphoproliferation and Autoimmune disease

Sponsors

Universitätsklinikum FreiburgCentrum für Chronische Immundefizienz (CCI)
Lead Sponsor

Eligibility

Sex/Gender
All
Age
1 Years to 18 Years

Inclusion criteria

Inclusion criteria: 1.Chronic benign lymphoproliferation (i.e. splenomegaly +/- lymphadenopathy at 2 sites without infectious or malignant cause) AND 2.Autoimmune disease (i.e. AI cytopenia OR inflammatory bowel disease OR CNS inflammatory disease OR interstitial lung disease) OR one of the two above manifestions AND 3.At least one factor indicating a primary immunodeficiency (i.e. infection susceptibility OR additional autoimmune or inflammatory manifestations OR hypogammaglobulinemia OR aberrant immunophenotype OR positive family history OR consanguinity)

Exclusion criteria

Exclusion criteria: No written informed consent of patient or parents (in case of minors) has been obtained

Design outcomes

Primary

MeasureTime frame
Use the clinical, immunological and genetic data in this cohort to establish a diagnostic algorithm for patients with AL-PID

Countries

Germany

Contacts

Public ContactStephan Ehl

Universitätsklinikum FreiburgCentrum für Chronische Immundefizienz (CCI)

stephan.ehl@uniklinik-freiburg.de+49 761 270 77550

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Jun 6, 2026