Large scale causal modeling to identify adults at risk for combined and common variable immunodeficiencies

Abstract Combined immunodeficiencies (CID) and common variable immunodeficiencies (CVID), prevalent yet substantially underdiagnosed primary immunodeficiencies, necessitate improved early detection. Leveraging large-scale electronic health records (EHR) from four nationwide US cohorts, we developed...

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Main Authors: Giorgos Papanastasiou, Marco Scutari, Raffi Tachdjian, Vivian Hernandez-Trujillo, Jason Raasch, Kaylyn Billmeyer, Nikolay V. Vasilyev, Vladimir Ivanov
Format: Article
Language:English
Published: Nature Portfolio 2025-06-01
Series:npj Digital Medicine
Online Access:https://doi.org/10.1038/s41746-025-01761-5
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author Giorgos Papanastasiou
Marco Scutari
Raffi Tachdjian
Vivian Hernandez-Trujillo
Jason Raasch
Kaylyn Billmeyer
Nikolay V. Vasilyev
Vladimir Ivanov
author_facet Giorgos Papanastasiou
Marco Scutari
Raffi Tachdjian
Vivian Hernandez-Trujillo
Jason Raasch
Kaylyn Billmeyer
Nikolay V. Vasilyev
Vladimir Ivanov
author_sort Giorgos Papanastasiou
collection DOAJ
description Abstract Combined immunodeficiencies (CID) and common variable immunodeficiencies (CVID), prevalent yet substantially underdiagnosed primary immunodeficiencies, necessitate improved early detection. Leveraging large-scale electronic health records (EHR) from four nationwide US cohorts, we developed a novel causal Bayesian Network (BN) model to identify antecedent clinical phenotypes associated with CID/CVID. Consensus directed acyclic graphs (DAGs) demonstrated robust predictive performance within each cohort (ROC AUC: 0.61–0.77) and generalizability across unseen cohorts (ROC AUC: 0.56–0.72) in identifying CID/CVID, despite varying inclusion criteria across cohorts. The consensus DAGs reveal causal relationships between comorbidities preceding CID/CVID diagnosis, including autoimmune and blood disorders, lymphomas, organ damage or inflammation, respiratory conditions, genetic anomalies, recurrent infections, and allergies. Further evaluation through causal inference and by expert clinical immunologists substantiates the clinical relevance of the identified phenotypic trajectories. These findings hold promise for translation into improved clinical practice, potentially leading to earlier identification and intervention of adults at risk for CID/CVID.
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spelling doaj-art-b2cfbccc3f954cfd830d136afb27c9382025-08-20T03:21:02ZengNature Portfolionpj Digital Medicine2398-63522025-06-018111310.1038/s41746-025-01761-5Large scale causal modeling to identify adults at risk for combined and common variable immunodeficienciesGiorgos Papanastasiou0Marco Scutari1Raffi Tachdjian2Vivian Hernandez-Trujillo3Jason Raasch4Kaylyn Billmeyer5Nikolay V. Vasilyev6Vladimir Ivanov7Pfizer Inc.Istituto Dalle Molle di Studi sull’Intelligenza Artificiale (IDSIA)Division of Allergy & Clinical Immunology, David Geffen School of Medicine at University of California Los AngelesAllergy & Immunology Care Center of South FloridaMidwest Immunology ClinicPfizer Inc.Pfizer Inc.Pfizer Inc.Abstract Combined immunodeficiencies (CID) and common variable immunodeficiencies (CVID), prevalent yet substantially underdiagnosed primary immunodeficiencies, necessitate improved early detection. Leveraging large-scale electronic health records (EHR) from four nationwide US cohorts, we developed a novel causal Bayesian Network (BN) model to identify antecedent clinical phenotypes associated with CID/CVID. Consensus directed acyclic graphs (DAGs) demonstrated robust predictive performance within each cohort (ROC AUC: 0.61–0.77) and generalizability across unseen cohorts (ROC AUC: 0.56–0.72) in identifying CID/CVID, despite varying inclusion criteria across cohorts. The consensus DAGs reveal causal relationships between comorbidities preceding CID/CVID diagnosis, including autoimmune and blood disorders, lymphomas, organ damage or inflammation, respiratory conditions, genetic anomalies, recurrent infections, and allergies. Further evaluation through causal inference and by expert clinical immunologists substantiates the clinical relevance of the identified phenotypic trajectories. These findings hold promise for translation into improved clinical practice, potentially leading to earlier identification and intervention of adults at risk for CID/CVID.https://doi.org/10.1038/s41746-025-01761-5
spellingShingle Giorgos Papanastasiou
Marco Scutari
Raffi Tachdjian
Vivian Hernandez-Trujillo
Jason Raasch
Kaylyn Billmeyer
Nikolay V. Vasilyev
Vladimir Ivanov
Large scale causal modeling to identify adults at risk for combined and common variable immunodeficiencies
npj Digital Medicine
title Large scale causal modeling to identify adults at risk for combined and common variable immunodeficiencies
title_full Large scale causal modeling to identify adults at risk for combined and common variable immunodeficiencies
title_fullStr Large scale causal modeling to identify adults at risk for combined and common variable immunodeficiencies
title_full_unstemmed Large scale causal modeling to identify adults at risk for combined and common variable immunodeficiencies
title_short Large scale causal modeling to identify adults at risk for combined and common variable immunodeficiencies
title_sort large scale causal modeling to identify adults at risk for combined and common variable immunodeficiencies
url https://doi.org/10.1038/s41746-025-01761-5
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