Prospective Newborn Screening for SCID in Germany: A First Analysis by the Pediatric Immunology Working Group (API).
HSCT
Hematopoietic stem cell transplantation
NBS
Newborn screening
SCID
Severe combined immunodeficiency
T cell receptor excision circles
TREC
Thymus transplantation
Journal
Journal of clinical immunology
ISSN: 1573-2592
Titre abrégé: J Clin Immunol
Pays: Netherlands
ID NLM: 8102137
Informations de publication
Date de publication:
07 2023
07 2023
Historique:
received:
20
12
2022
accepted:
08
02
2023
medline:
19
6
2023
pubmed:
28
2
2023
entrez:
27
2
2023
Statut:
ppublish
Résumé
T-cell receptor excision circle (TREC)-based newborn screening (NBS) for severe combined immunodeficiencies (SCID) was introduced in Germany in August 2019. Children with abnormal TREC-NBS were referred to a newly established network of Combined Immunodeficiency (CID) Clinics and Centers. The Working Group for Pediatric Immunology (API) and German Society for Newborn Screening (DGNS) performed 6-monthly surveys to assess the TREC-NBS process after 2.5 years. Among 1.9 million screened newborns, 88 patients with congenital T-cell lymphocytopenia were identified (25 SCID, 17 leaky SCID/Omenn syndrome (OS)/idiopathic T-cell lymphocytopenia, and 46 syndromic disorders). A genetic diagnosis was established in 88%. Twenty-six patients underwent hematopoietic stem cell transplantation (HSCT), 23/26 within 4 months of life. Of these, 25/26 (96%) were alive at last follow-up. Two patients presented with in utero onset OS and died after birth. Five patients with syndromic disorders underwent thymus transplantation. Eight syndromic patients deceased, all from non-immunological complications. TREC-NBS missed one patient, who later presented clinically, and one tracking failure occurred after an inconclusive screening result. The German TREC-NBS represents the largest European SCID screening at this point. The incidence of SCID/leaky SCID/OS in Germany is approximately 1:54,000, very similar to previous observations from North American and European regions and countries where TREC-NBS was implemented. The newly founded API-CID network facilitates tracking and treatment of identified patients. Short-term HSCT outcome was excellent, but NBS and transplant registries will remain essential to evaluate the long-term outcome and to compare results across the rising numbers of TREC-NBS programs across Europe.
Identifiants
pubmed: 36843153
doi: 10.1007/s10875-023-01450-6
pii: 10.1007/s10875-023-01450-6
pmc: PMC9968632
doi:
Substances chimiques
DNA
9007-49-2
Receptors, Antigen, T-Cell
0
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
965-978Subventions
Organisme : Wellcome Trust
Pays : United Kingdom
Organisme : Wellcome Trust
ID : 222096/Z/20/Z
Pays : United Kingdom
Organisme : Department of Health
Pays : United Kingdom
Informations de copyright
© 2023. The Author(s).
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