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Conference Paper: Inter-B NHL Ritux 2010 Trial for Children/Adolescents with high-risk mature B-cell non-Hodgkin’s lymphoma / Acute leukaemia: safety and efficacy in patients treated with Rituximab and LMB chemotherapy

TitleInter-B NHL Ritux 2010 Trial for Children/Adolescents with high-risk mature B-cell non-Hodgkin’s lymphoma / Acute leukaemia: safety and efficacy in patients treated with Rituximab and LMB chemotherapy
Authors
Issue Date2021
PublisherWolters Kluwer Health. The Journal's web site is located at http://www.hemaspherejournal.com
Citation
The 26th Congress of the European Hematology Association (EHA), Virtual Congress. 9-17 June 2021. In HemaSphere, 2021, v. 5 n. S2, p. 68 How to Cite?
AbstractBackground: The addition of rituximab to standard Lymphomes Malins B (LMB) chemotherapy improved survival of children and adolescents with high-risk mature B-cell non-Hodgkin’s lymphoma and mature acute leukemia (B-NHL/AL) in the international randomized phase III trial Inter-B NHL ritux 2010 (NCT01516580). Aims: After the first interim analysis, randomization was stopped for efficacy and additional patients were subsequently enrolled and treated with R-LMB for planned secondary aims. Here we report the total cohort of patients treated with R-LMB. Methods: From December 2011 to June 2017, 298 patients < 18 years with high-risk B-NHL (stage III with LDH level>2N, stage IV) and B-AL were included in the Inter B-NHL Ritux 2010 study and allocated to the R-LMB arm: 164 were reported in the publication (NEJM 2020;382:2207-19) of the randomized part of the study (Main R-cohort) and there are 134 additional patients (Additional R-cohort). Rituximab was given (375mg/m2 ) on days -2 and 1 during the first 2 chemotherapy courses and on day 1 of the 2 following courses (total 6 infusions). Therapeutic groups were as follow: B: Stage III or IV, central nervous system negative; C1: Stage IV/B-AL cerebrospinal fluid (CSF) negative; C3: CSF positive. The endpoint event-free survival (EFS) is defined as the minimum time between inclusion and detection of residual viable tumor cells after the second consolidation course (primary refractory disease), relapse, progressive disease, second cancer, or death from any cause, or the date of the last follow-up for patients who did not have any event. Results: Median age was 8 years (interquartile range (IQR) 5-12). 88% patients had Burkitt lymphoma (BL). 48% were in group B, 40% in C1 and 12% in C3. 94% patients received at least 6 rituximab administrations. The median follow-up was 45 months (IQR 34-57). There were 20 events (13 treatment failures: primary refractory disease or progression or relapse, 5 toxic deaths, 2 second cancers (histiocytic sarcoma, melanoma)). Seven treatment failures occurred in patients of therapeutic group B, 3 of group C1 and 3 of group C3. All relapses, except one, occurred during the first 10 months. 4-year EFS was 93.0% (95%CI 89.4% to 95.5%) (93.9% in main R-cohort, 91.3% in additional R-cohort). 16 deaths occurred (7 disease-related, 8 toxic deaths at first or further line, 1 from histiocytic sarcoma). 4-year overall survival (OS) was 94.2% (95%CI 90.7% to 96.4%) (95.1% in main R-cohort, 92.0% in additional R-cohort). Among patients with BL, 9 had treatment failures (6 in group B, 2 in group C1, and 1 in group C3) and 7 died. The most frequent grade ≥ 3 acute adverse events after prephase were febrile neutropenia (93%), infection (58%), and stomatitis (78%). One year after inclusion, 102 (59%) of 173 evaluated patients for immunoglobulin level had low IgG level. Summary/Conclusion: Rituximab in addition to standard LMB therapy achieved outstanding EFS and OS in both randomized and additional parts of the trial in children/adolescents with high-risk B-NHL/AL with significant acute toxicity and hypoglobulinemia. However, some very rare patients still have resistant disease and very poor outcome, notably those with Burkitt lymphoma.
Descriptionabstract S221
Persistent Identifierhttp://hdl.handle.net/10722/308982
ISSN
2023 Impact Factor: 7.6
2023 SCImago Journal Rankings: 1.191

 

DC FieldValueLanguage
dc.contributor.authorMinard-Colin, V-
dc.contributor.authorAuperin, A-
dc.contributor.authorBurke, GAA-
dc.contributor.authorAlexander, S-
dc.contributor.authorDelgado, RF-
dc.contributor.authorBuffardi, S-
dc.contributor.authorUyttebroeck, A-
dc.contributor.authorBollard, CM-
dc.contributor.authorZsiros, J-
dc.contributor.authorCsoka, M-
dc.contributor.authorKazanowska, B-
dc.contributor.authorChiang, AKS-
dc.contributor.authorVerschuur, A-
dc.contributor.authorMiles, RR-
dc.contributor.authorWotherspoon, A-
dc.contributor.authorBarkauskas, DA-
dc.contributor.authorWheatley, K-
dc.contributor.authorVassal, G-
dc.contributor.authorAdamson, P-
dc.contributor.authorGross, TG-
dc.contributor.authorPatte, C-
dc.contributor.authorPillon, M-
dc.date.accessioned2021-12-14T01:39:01Z-
dc.date.available2021-12-14T01:39:01Z-
dc.date.issued2021-
dc.identifier.citationThe 26th Congress of the European Hematology Association (EHA), Virtual Congress. 9-17 June 2021. In HemaSphere, 2021, v. 5 n. S2, p. 68-
dc.identifier.issn2572-9241-
dc.identifier.urihttp://hdl.handle.net/10722/308982-
dc.descriptionabstract S221-
dc.description.abstractBackground: The addition of rituximab to standard Lymphomes Malins B (LMB) chemotherapy improved survival of children and adolescents with high-risk mature B-cell non-Hodgkin’s lymphoma and mature acute leukemia (B-NHL/AL) in the international randomized phase III trial Inter-B NHL ritux 2010 (NCT01516580). Aims: After the first interim analysis, randomization was stopped for efficacy and additional patients were subsequently enrolled and treated with R-LMB for planned secondary aims. Here we report the total cohort of patients treated with R-LMB. Methods: From December 2011 to June 2017, 298 patients < 18 years with high-risk B-NHL (stage III with LDH level>2N, stage IV) and B-AL were included in the Inter B-NHL Ritux 2010 study and allocated to the R-LMB arm: 164 were reported in the publication (NEJM 2020;382:2207-19) of the randomized part of the study (Main R-cohort) and there are 134 additional patients (Additional R-cohort). Rituximab was given (375mg/m2 ) on days -2 and 1 during the first 2 chemotherapy courses and on day 1 of the 2 following courses (total 6 infusions). Therapeutic groups were as follow: B: Stage III or IV, central nervous system negative; C1: Stage IV/B-AL cerebrospinal fluid (CSF) negative; C3: CSF positive. The endpoint event-free survival (EFS) is defined as the minimum time between inclusion and detection of residual viable tumor cells after the second consolidation course (primary refractory disease), relapse, progressive disease, second cancer, or death from any cause, or the date of the last follow-up for patients who did not have any event. Results: Median age was 8 years (interquartile range (IQR) 5-12). 88% patients had Burkitt lymphoma (BL). 48% were in group B, 40% in C1 and 12% in C3. 94% patients received at least 6 rituximab administrations. The median follow-up was 45 months (IQR 34-57). There were 20 events (13 treatment failures: primary refractory disease or progression or relapse, 5 toxic deaths, 2 second cancers (histiocytic sarcoma, melanoma)). Seven treatment failures occurred in patients of therapeutic group B, 3 of group C1 and 3 of group C3. All relapses, except one, occurred during the first 10 months. 4-year EFS was 93.0% (95%CI 89.4% to 95.5%) (93.9% in main R-cohort, 91.3% in additional R-cohort). 16 deaths occurred (7 disease-related, 8 toxic deaths at first or further line, 1 from histiocytic sarcoma). 4-year overall survival (OS) was 94.2% (95%CI 90.7% to 96.4%) (95.1% in main R-cohort, 92.0% in additional R-cohort). Among patients with BL, 9 had treatment failures (6 in group B, 2 in group C1, and 1 in group C3) and 7 died. The most frequent grade ≥ 3 acute adverse events after prephase were febrile neutropenia (93%), infection (58%), and stomatitis (78%). One year after inclusion, 102 (59%) of 173 evaluated patients for immunoglobulin level had low IgG level. Summary/Conclusion: Rituximab in addition to standard LMB therapy achieved outstanding EFS and OS in both randomized and additional parts of the trial in children/adolescents with high-risk B-NHL/AL with significant acute toxicity and hypoglobulinemia. However, some very rare patients still have resistant disease and very poor outcome, notably those with Burkitt lymphoma.-
dc.languageeng-
dc.publisherWolters Kluwer Health. The Journal's web site is located at http://www.hemaspherejournal.com-
dc.relation.ispartofHemaSphere-
dc.relation.ispartofThe 26th Congress of the European Hematology Association (EHA), 2021-
dc.titleInter-B NHL Ritux 2010 Trial for Children/Adolescents with high-risk mature B-cell non-Hodgkin’s lymphoma / Acute leukaemia: safety and efficacy in patients treated with Rituximab and LMB chemotherapy-
dc.typeConference_Paper-
dc.identifier.emailChiang, AKS: chiangak@hku.hk-
dc.identifier.authorityChiang, AKS=rp00403-
dc.description.natureabstract-
dc.identifier.hkuros330890-
dc.identifier.volume5-
dc.identifier.issueS2-
dc.identifier.spage68-
dc.identifier.epage68-
dc.publisher.placeUnited States-
dc.identifier.partofdoi10.1097/HS9.0000000000000566-

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