Acta paediatrica (Oslo, Norway : 1992) · 2026
A Personalised Vaccination Program Based on Immune Reconstitution in Paediatric Cancer Survivors.
СтатьяНазвание и аннотация: Перевод в очереди
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Jurkowicz Menucha, Somech Raz, Dominissini Dan, Keller Nathan, Dresner Efrat, Paret Michal, Sherman Gilad, Katzenellenbogen Guy, Gelman Elina, Asraf Keren, Doolman Ram, Lev Atar, Simon Amos J, Vernitsky Helly, Barg Assaf, Golan Hana, Toren Amos, Stein Michal
Аннотация
AIMS: Paediatric cancer survivors often experience treatment-induced immunosuppression, requiring post-treatment revaccination. However, immune recovery timelines vary, and current revaccination guidelines, largely based on data of varied quality derived from studies on acute-lymphoblastic-leukaemia (ALL), may not be applicable across all paediatric malignancies. This study evaluated a personalised revaccination approach based on immune recovery.
METHODS: Immune recovery was evaluated using antibody titers to common childhood vaccines, immunoglobulin levels, B- and T-cell subpopulations, and T-cell receptor excision circles (TREC) and kappa-deleting recombination excision circles (KREC) markers. The recommended revaccination window was defined as 3-6 months post-treatment. Patients completing immune and serology testing within this window were categorised as the per-protocol-group (PPG), while others were categorised as the protocol-deviated-group (PDG).
RESULTS: Among 19 PPG patients, 57.9% required major and 36.8% minor modifications to recommended revaccination guidelines, with major modifications more common among hematologic malignancies than solid tumours (83.3% vs. 46.2%, p < 0.0001). In the intention-to-treat (ITT) cohort (n = 52), 40.4% required major and 57.7% minor modifications; hematologic survivors again had higher rates of major modifications (52.9% vs. 34.3%, p = 0.008).
CONCLUSIONS: Immune recovery following paediatric cancer therapy is highly variable, particularly among hematologic malignancies. Personalised revaccination strategies incorporating comprehensive immunological workups may optimise protection against vaccine-preventable diseases.
METHODS: Immune recovery was evaluated using antibody titers to common childhood vaccines, immunoglobulin levels, B- and T-cell subpopulations, and T-cell receptor excision circles (TREC) and kappa-deleting recombination excision circles (KREC) markers. The recommended revaccination window was defined as 3-6 months post-treatment. Patients completing immune and serology testing within this window were categorised as the per-protocol-group (PPG), while others were categorised as the protocol-deviated-group (PDG).
RESULTS: Among 19 PPG patients, 57.9% required major and 36.8% minor modifications to recommended revaccination guidelines, with major modifications more common among hematologic malignancies than solid tumours (83.3% vs. 46.2%, p < 0.0001). In the intention-to-treat (ITT) cohort (n = 52), 40.4% required major and 57.7% minor modifications; hematologic survivors again had higher rates of major modifications (52.9% vs. 34.3%, p = 0.008).
CONCLUSIONS: Immune recovery following paediatric cancer therapy is highly variable, particularly among hematologic malignancies. Personalised revaccination strategies incorporating comprehensive immunological workups may optimise protection against vaccine-preventable diseases.