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Oncogenic and immunological targets for matched therapy of pediatric blood cancer patients: Dutch iTHER study experience

Over the past 10 years, institutional and national molecular tumor boards have been implemented for relapsed or refractory pediatric cancer to prioritize targeted drugs for individualized treatment based on actionable oncogenic lesions, including the Dutch iTHER platform. Hematological malignancies...

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Hauptverfasser: Boer, Judith (VerfasserIn) , Ilan, Uri (VerfasserIn) , Boeree, Aurélie (VerfasserIn) , Langenberg, Karin P. S. (VerfasserIn) , Koster, Jan (VerfasserIn) , Koudijs, Marco J. (VerfasserIn) , Hehir-Kwa, Jayne Y. (VerfasserIn) , Nierkens, Stefan (VerfasserIn) , Rossi, Corinne (VerfasserIn) , Molenaar, Jan J. (VerfasserIn) , Goemans, Bianca F. (VerfasserIn) , den Boer, Monique L. (VerfasserIn) , Zwaan, C. Michel (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: July 2024
In: HemaSphere
Year: 2024, Jahrgang: 8, Heft: 7, Pages: 1-13
ISSN:2572-9241
DOI:10.1002/hem3.122
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1002/hem3.122
Verlag, kostenfrei, Volltext: https://onlinelibrary.wiley.com/doi/abs/10.1002/hem3.122
Volltext
Verfasserangaben:Judith M. Boer, Uri Ilan, Aurélie Boeree, Karin P. S. Langenberg, Jan Koster, Marco J. Koudijs, Jayne Y. Hehir-Kwa, Stefan Nierkens, Corinne Rossi, Jan J. Molenaar, Bianca F. Goemans, Monique L. den Boer, C. Michel Zwaan
Beschreibung
Zusammenfassung:Over the past 10 years, institutional and national molecular tumor boards have been implemented for relapsed or refractory pediatric cancer to prioritize targeted drugs for individualized treatment based on actionable oncogenic lesions, including the Dutch iTHER platform. Hematological malignancies form a minority in precision medicine studies. Here, we report on 56 iTHER leukemia/lymphoma patients for which we considered cell surface markers and oncogenic aberrations as actionable events, supplemented with ex vivo drug sensitivity for six patients. Prior to iTHER registration, 34% of the patients had received allogeneic hematopoietic cell transplantation (HCT) and 18% CAR-T therapy. For 51 patients (91%), a sample with sufficient tumor percentage (≥20%) required for comprehensive diagnostic testing was obtained. Up to 10 oncogenic actionable events were prioritized in 49/51 patients, and immunotherapy targets were identified in all profiled patients. Targeted treatment(s) based on the iTHER advice was given to 24 of 51 patients (47%), including immunotherapy in 17 patients, a targeted drug matching an oncogenic aberration in 12 patients, and a drug based on ex vivo drug sensitivity in one patient, resulting in objective responses and a bridge to HCT in the majority of the patients. In conclusion, comprehensive profiling of relapsed/refractory hematological malignancies showed multiple oncogenic and immunotherapy targets for a precision medicine approach, which requires multidisciplinary expertise to prioritize the best treatment options for this rare, heavily pretreated pediatric population.
Beschreibung:Zuerst veröffentlicht: 15. Juli 2024
Gesehen am 03.01.2025
Beschreibung:Online Resource
ISSN:2572-9241
DOI:10.1002/hem3.122

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