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Dinutuximab Beta Maintenance Therapy in Patients with High-Risk Neuroblastoma in First-Line and Refractory/Relapsed Settings-Real-World Data.

ABSTRACT: Dinutuximab beta is approved for the maintenance treatment of patients with high-risk neuroblastoma (HR-NB), including patients with relapsed/refractory (R/R) disease. However, the data on its use in real-world clinical practice is limited. We retrospectively reviewed the clinical records of 54 patients with HR-NB who received maintenance therapy with dinutuximab beta in first-line (37 patients) or R/R settings (17 patients) at three centers in Poland. Of the 37 patients who received first-line treatment, twenty-eight had a complete response, two had a partial response, three had progressive disease, and four relapsed at the end of treatment. The median overall survival (OS) was 24.37 months, and the three-year progression-free survival (PFS) and OS were 0.63 and 0.80, respectively. Of the 17 patients in the R/R group, 11 had a complete response, two had a partial response, one had stable disease, and three had progressive disease or relapsed at the end of treatment. The median OS was 33.1 months and the three-year PFS and OS were 0.75 and 0.86, respectively. Treatment was generally well tolerated, including in patients with co-morbidities and those who had experienced toxicities with previous therapies. These findings demonstrate that the use of dinutuximab beta is feasible and beneficial as a first-line or R/R treatment in routine clinical practice in Poland.

SUBMITTER: Wieczorek A

PROVIDER: S-EPMC10455178 | biostudies-literature | 2023 Aug

REPOSITORIES: biostudies-literature

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Dinutuximab Beta Maintenance Therapy in Patients with High-Risk Neuroblastoma in First-Line and Refractory/Relapsed Settings-Real-World Data.

Wieczorek Aleksandra A Żebrowska Urszula U Ussowicz Marek M Sokół Agnieszka A Stypińska Marzena M Dembowska-Bagińska Bożenna B Pawińska-Wąsikowska Katarzyna K Balwierz Walentyna W

Journal of clinical medicine 20230811 16

Dinutuximab beta is approved for the maintenance treatment of patients with high-risk neuroblastoma (HR-NB), including patients with relapsed/refractory (R/R) disease. However, the data on its use in real-world clinical practice is limited. We retrospectively reviewed the clinical records of 54 patients with HR-NB who received maintenance therapy with dinutuximab beta in first-line (37 patients) or R/R settings (17 patients) at three centers in Poland. Of the 37 patients who received first-line ...[more]

PMID: 37629294

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Project description:BackgroundHigh-risk neuroblastoma (HR-NB) is associated with high metastatic and relapse rates that require intensive multimodal treatment. We evaluated the efficacy and safety of dinutuximab beta as first-line maintenance immunotherapy in pediatric patients with HR-NB in real-world clinical settings in China.MethodsWe retrospectively reviewed the clinical records of pediatric patients with newly diagnosed HR-NB in the hospital from October 2021 to November 2023. Patients treated with dinutuximab beta in combination with granulocyte-macrophage colony-stimulating factor (GM-CSF) and isotretinoin as the first-line maintenance therapy were included in this study. Among patients with residual disease after completing induction and consolidation treatment, those with partial response (PR) or very good partial response (VGPR) except for bone marrow (BM) residue were also administrated vincristine/irinotecan/temozolomide (VIT) chemotherapy.ResultsFifty-one patients with newly diagnosed HR-NB who achieved at least PR before immunotherapy were evaluated. At the end of immunotherapy, the objective response rate (ORR) in 33 patients with evidence of disease was 60.6% (95% confidence interval (CI), 42.1-77.1%) and the complete response rate (CRR; n = 18) was 54.5% (95% CI, 36.4-71.9%). The 2-year event-free survival (EFS) rate and overall survival (OS) rate were 80.1% (95% CI, 66.2-88.8%) and 97.6% (95% CI, 84.3-99.7%), respectively. The 2-year EFS rate was higher in patients with CR (94.4%; 95% CI, 66.6-99.2%) than in non-CR patients (72.6%; 95% CI, 53.9-84.7%). Dinutuximab beta was well tolerated in patients and had fewer side effects, which decreased over time. Co-treatment of dinutuximab beta with VIT chemotherapy did not require discontinuation in patients undergoing immunochemotherapy.ConclusionThe study showed promising efficacy and safety of dinutuximab beta as the first-line maintenance immunotherapy for pediatric patients with HR-NB. Notably, the combination of dinutuximab beta with GM-CSF and VIT chemotherapy could be used for treating patients who did not achieve CR after previous multimodal therapy.

Project description:PurposeThe combination of irinotecan, temozolomide, dintuximab, and granulocyte-macrophage colony-stimulating factor (I/T/DIN/GM-CSF) demonstrated activity in patients with relapsed/refractory neuroblastoma in the randomized Children's Oncology Group ANBL1221 trial. To more accurately assess response rate and toxicity, an expanded cohort was nonrandomly assigned to I/T/DIN/GM-CSF.Patients and methodsPatients were eligible at first relapse or first designation of refractory disease. Oral T and intravenous (IV) irinotecan were administered on days 1 to 5 of 21-day cycles. DIN was administered IV (days 2-5), and GM-CSF was administered subcutaneously (days 6-12). The primary end point was objective response, analyzed on an intent-to-treat basis per the International Neuroblastoma Response Criteria.ResultsSeventeen eligible patients were randomly assigned to I/T/DIN/GM-CSF (February 2013 to March 2015); 36 additional patients were nonrandomly assigned to I/T/DIN/GM-CSF (August 2016 to May 2017). Objective (complete or partial) responses were observed in nine (52.9%) of 17 randomly assigned patients (95% CI, 29.2% to 76.7%) and 13 (36.1%) of 36 expansion patients (95% CI, 20.4% to 51.8%). Objective responses were seen in 22 (41.5%) of 53 patients overall (95% CI, 28.2% to 54.8%); stable disease was also observed in 22 of 53. One-year progression-free and overall survival for all patients receiving I/T/DIN/GM-CSF were 67.9% ± 6.4% (95% CI, 55.4% to 80.5%) and 84.9% ± 4.9% (95% CI, 75.3% to 94.6%), respectively. Two patients did not receive protocol therapy and were evaluable for response but not toxicity. Common grade ≥ 3 toxicities were fever/infection (18 [35.3%] of 51), neutropenia (17 [33.3%] of 51), pain (15 [29.4%] of 51), and diarrhea (10 [19.6%] of 51). One patient met protocol-defined criteria for unacceptable toxicity (grade 4 hypoxia). Higher DIN trough levels were associated with response.ConclusionI/T/DIN/GM-CSF has significant antitumor activity in patients with relapsed/refractory neuroblastoma. Study of chemoimmunotherapy in the frontline setting is indicated, as is further evaluation of predictive biomarkers.

Project description:BackgroundPrimary central nervous system lymphoma (PCNSL) is an uncommon variant of non-Hodgkin lymphoma (NHL) with high aggressiveness and poor prognosis. Although complete remission (CR) could be achieved with therapy, some patients remain refractory or recurrently with a worse response to salvage treatment and poor prognosis. No consensus on rescue therapy has been established currently. This study is aimed to evaluate the efficacy of radiotherapy or chemotherapy in first-time relapsed or refractory progressed PCNSL (R/R PCNSL) and analysis the prognostic factors, to explore differences between relapsed and refractory PCNSL.MethodsTotally 105 R/R PCNSL patients from Huashan Hospital between 1 January 2016 and 31 December 2020 were enrolled, underwent salvage radiotherapy or chemotherapy and received response assessments after each course. PFS1 was defined as the time from diagnosis to the first time of recurrence or refractory progression. Statistical analysis was performed with SPSS version 26.0.ResultsResponse and survival were analyzed over a 17.5months (median) follow-up. Compared to relapsed PCNSL (n = 42), refractory PCNSL (n = 63) had a shorter median PFS1 related to deep lesions. 82.4% of cases were discovered as the second relapse or progression. ORR and PFS were both higher in relapsed PCNSL than those in refractory PCNSL. ORR of radiotherapy in both relapsed and refractory PCNSL was higher than that of chemotherapy. Elevated CSF protein and ocular involvement were related to PFS and OS after recurrence respectively in relapsed PCNSL. Age ≥ 60y was unfavorable to OS-R (OS after recurrence or progression) in refractory PCNSL.ConclusionsOur results indicate that relapsed PCNSL responds well to inducing and salvage therapy and has a better prognosis compared to refractory PCNSL. Radiotherapy is effective for PCNSL after the first relapse or progression. Age, CSF protein level, and ocular involvement could be potential factors to predict prognosis.

Project description:BackgroundOlaparib, a poly(ADP-ribose) polymerase inhibitor, was approved by the European Commission in June 2019, following the results of the SOLO-1/GOG 3004 trial as maintenance monotherapy in adult patients with BRCA-mutated epithelial ovarian cancer.ObjectiveThis study aimed to provide a descriptive analysis of the first real-world data from patients with BRCA-mutated ovarian cancer who received olaparib as first-line maintenance monotherapy in the French cohort Temporary Authorisation for Use (Autorisation Temporaire d'Utilisation de cohorte, ATUc) programme from 11 March, 2019 to 16 January, 2020.MethodsEligible patients were aged 18 years and over with confirmed epithelial ovarian, primary peritoneal or Fallopian tube cancer and a deleterious or suspected deleterious germline or somatic BRCA 1/2 mutation. Patients were in complete or partial clinical response at the end of first-line platinum-based chemotherapy. Olaparib maintenance therapy was initiated within 8 weeks of the patients' last dose of chemotherapy. Real-world data were collected through treatment access request forms completed by physicians. Clinical and safety data were collected monthly until the end of the ATUc programme.ResultsA total of 107 centres in metropolitan France and the French Overseas Departments and Territories requested the inclusion for 238 patients, of whom 194 received maintenance olaparib. In total, 87.6% of the primary tumour locations were ovary, the most common histology was high-grade serous (93.0%) and the most common International Federation of Gynaecology and Obstetrics (Fédération Internationale de Gynécologie et d'Obstétrique) stage was IIIC (56.8%). BRCA testing was performed in routine practice, prior to inclusion into the ATUc programme. All patients had a BRCA mutation: 52.5% had a somatic mutation, 38.4% had a germinal mutation and 9.1% had germinal and somatic mutations. Twenty-four (12%) patients experienced serious adverse drug reactions at the last safety follow-up (17 February, 2020). The most common were anaemia (12 [6%] patients), neutropenia (3 [2%] patients) and thrombocytopenia (3 [2%] patients).ConclusionsThe rapid enrolment into the ATUc programme highlighted the strong unmet need for patients with ovarian cancer and a BRCA mutation in first-line maintenance treatment. Olaparib was well tolerated and no new safety signals were observed in this real-world patient population.

Dataset Information

Dinutuximab Beta Maintenance Therapy in Patients with High-Risk Neuroblastoma in First-Line and Refractory/Relapsed Settings-Real-World Data.

Publications

Dinutuximab Beta Maintenance Therapy in Patients with High-Risk Neuroblastoma in First-Line and Refractory/Relapsed Settings-Real-World Data.

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