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  • 1
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    Online Resource
    High-Dose Chemotherapy Compared With Standard Chemotherapy and Lung Radiation in Ewing Sarcoma With Pulmonary Metastases: Results of the European Ewing Tumour Working Initiative of National Groups, 99 Trial and EWING 2008
    American Society of Clinical Oncology (ASCO) ; 2019
    In:  Journal of Clinical Oncology Vol. 37, No. 34 ( 2019-12-01), p. 3192-3202
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 37, No. 34 ( 2019-12-01), p. 3192-3202
    Abstract: The R2Pulm trial was conducted to evaluate the effect of busulfan-melphalan high-dose chemotherapy with autologous stem-cell rescue (BuMel) without whole-lung irradiation (WLI) on event-free survival (main end point) and overall survival, compared with standard chemotherapy with WLI in Ewing sarcoma (ES) presenting with pulmonary and/or pleural metastases. METHODS From 2000 to 2015, we enrolled patients younger than 50 years of age with newly diagnosed ES and with only pulmonary or pleural metastases. Patients received chemotherapy with six courses of vincristine, ifosfamide, doxorubicin, and etoposide (VIDE) and one course of vincristine, dactinomycin, and ifosfamide (VAI) before either BuMel or seven courses of VAI and WLI (VAI plus WLI) by randomized assignment. The analysis was conducted as intention to treat. The estimates of the hazard ratio (HR), 95% CI, and P value were corrected for the three previous interim analyses by the inverse normal method. RESULTS Of 543 potentially eligible patients, 287 were randomly assigned to VAI plus WLI (n = 143) or BuMel (n = 144). Selected patients requiring radiotherapy to an axial primary site were excluded from randomization to avoid excess organ toxicity from interaction between radiotherapy and busulfan. Median follow-up was 8.1 years. We did not observe any significant difference in survival outcomes between treatment groups. Event-free survival was 50.6% versus 56.6% at 3 years and 43.1% versus 52.9% at 8 years, for VAI plus WLI and BuMel patients, respectively, resulting in an HR of 0.79 (95% CI, 0.56 to 1.10; P = .16). For overall survival, the HR was 1.00 (95% CI, 0.70 to 1.44; P = .99). Four patients died as a result of BuMel-related toxicity, and none died after VAI plus WLI. Significantly more patients in the BuMel arm experienced severe acute toxicities than in the VAI plus WLI arm. CONCLUSION In ES with pulmonary or pleural metastases, there is no clear benefit from BuMel compared with conventional VAI plus WLI.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.19.00915
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2019
    detail.hit.zdb_id: 2005181-5
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  • 2
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    High-Dose Chemotherapy and Blood Autologous Stem-Cell Rescue Compared With Standard Chemotherapy in Localized High-Risk Ewing Sarcoma: Results of Euro-E.W.I.N.G.99 and Ewing-2008
    American Society of Clinical Oncology (ASCO) ; 2018
    In:  Journal of Clinical Oncology Vol. 36, No. 31 ( 2018-11-01), p. 3110-3119
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 36, No. 31 ( 2018-11-01), p. 3110-3119
    Abstract: For over 30 years, the place of consolidation high-dose chemotherapy in Ewing sarcoma (ES) has been controversial. A randomized study was conducted to determine whether consolidation high-dose chemotherapy improved survival in patients with localized ES at high risk for relapse. Methods Randomization between busulfan and melphalan (BuMel) or standard chemotherapy (vincristine, dactinomycin, and ifosfamide [VAI], seven courses) was offered to patients if they were younger than 50 yea rs of age with poor histologic response (≥ 10% viable cells) after receiving vincristine, ifosfamide, doxorubicin, and etoposide (six courses); or had a tumor volume at diagnosis ≥ 200 mL if unresected, or initially resected, or resected after radiotherapy. A 15% improvement in 3-year event-free survival (EFS) was sought (hazard ratio [HR], 0.60). Results Between 2000 and 2015, 240 patients classified as high risk (median age, 17.1 years) were randomly assigned to VAI (n = 118) or BuMel (n = 122). Seventy-eight percent entered the trial because of poor histologic response after chemotherapy alone. Median follow-up was 7.8 years. In an intent-to-treat analysis, the risk of event was significantly decreased by BuMel compared with VAI: HR, 0.64 (95% CI, 0.43 to 0.95; P = .026); 3- and 8-year EFS were, respectively, 69.0% (95% CI, 60.2% to 76.6%) versus 56.7% (95% CI, 47.6% to 65.4%) and 60.7% (95% CI, 51.1% to 69.6%) versus 47.1% (95% CI, 37.7% to 56.8%). Overall survival (OS) also favored BuMel: HR, 0.63 (95% CI, 0.41 to 0.95; P = .028); 3- and 8-year OS were, respectively, 78.0% (95% CI, 69.6% to 84.5%) versus 72.2% (95% CI, 63.3% to 79.6%) and 64.5% (95% CI, 54.4% to 73.5%) versus 55.6% (95% CI, 45.8% to 65.1%). Results were consistent in the sensitivity analysis. Two patients died as a result of BuMel-related toxicity, one after standard chemotherapy. Significantly more BuMel patients experienced severe acute toxicities from this course of chemotherapy compared with multiple VAI courses. Conclusion BuMel improved EFS and OS when given after vincristine, ifosfamide, doxorubicin, and etoposide induction in localized ES with predefined high-risk factors. For this group of patients, BuMel may be an important addition to the standard of care.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2018.78.2516
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2018
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  • 3
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    Cyclophosphamide Compared With Ifosfamide in Consolidation Treatment of Standard-Risk Ewing Sarcoma: Results of the Randomized Noninferiority Euro-EWING99-R1 Trial
    American Society of Clinical Oncology (ASCO) ; 2014
    In:  Journal of Clinical Oncology Vol. 32, No. 23 ( 2014-08-10), p. 2440-2448
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 32, No. 23 ( 2014-08-10), p. 2440-2448
    Abstract: Relative efficacy and toxicity of cyclophosphamide compared with ifosfamide are debatable. The Euro-EWING99-R1 trial asked whether cyclophosphamide may replace ifosfamide in combination with vincristine and dactinomycin (vincristine, dactinomycin, and cyclophosphamide [VAC] v vincristine, dactinomycin, and ifosfamide [VAI] ) after an intensive induction chemotherapy containing vincristine, ifosfamide, doxorubicin, and etoposide (VIDE) in standard-risk localized disease (NCT00020566). Methods Standard-risk Ewing sarcomas were localized tumors with either a good histologic response to chemotherapy ( 〈 10% cells) or small tumors ( 〈 200 mL) resected at diagnosis or receiving radiotherapy alone as local treatment. Patients entered the trial after six VIDE+1 VAI courses. Allocated treatment was either 7 VAC courses with 1.5 g/m 2 of cyclophosphamide or seven VAI-courses with 6 g/m 2 ifosfamide. The limit of noninferiority was set at −8.5% for the 3-year event-free survival rate (EFS), equivalent to 1.43 in terms of the hazard ratio of event (HR event ). Results This large international trial recruited 856 patients between February 2000 and March 2010 (n = 431 receiving VAC and n = 425 receiving VAI). With a median follow-up of 5.9 years, the 3-year EFSs were 75.4% and 78.2%, respectively, the 3-year EFS difference was −2.8% (91.4% CI, −7.8 to 2.2%), the HR event was 1.12 (91.4% CI, 0.89 to 1.41), and the HR death was 1.09 (91.4% CI, 0.84 to 1.42; intention-to-treat). The HR event was 1.22 (91.4% CI, 0.96 to 1.54) on the per-protocol population. Major treatment modifications were significantly less frequent in the VAC arm ( 〈 1%) than in the VAI arm (7%), mainly resulting from toxicity. Patients experienced more frequent thrombocytopenia in the VAC arm (45% v 35%) but fewer grade 2 to 4 acute tubular toxicities (16% v 31%). Conclusion Cyclophosphamide may be able to replace ifosfamide in consolidation treatment of standard-risk Ewing sarcoma. However, some uncertainty surrounding the noninferiority of VAC compared with VAI remains at this stage. The ongoing comparative evaluation of long-term renal and gonadal toxicity is crucial to decisions regarding future patients.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2013.54.4833
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2014
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  • 4
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    Impact of gender on efficacy and acute toxicity in standard risk localized (SR) Ewing sarcomas (ES) in the Euro-Ewing99-R1 trial.
    American Society of Clinical Oncology (ASCO) ; 2013
    In:  Journal of Clinical Oncology Vol. 31, No. 15_suppl ( 2013-05-20), p. 10031-10031
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 31, No. 15_suppl ( 2013-05-20), p. 10031-10031
    Abstract: 10031 Background: The randomized Euro-EWING99-R1 trial assessed noninferiority of cyclophosphamide- vs ifosfamide-based consolidation regimens (VAC vs VAI) in SR localized ES patients. Overall, efficacy of VAC was deemed acceptable compared to VAI, with hazard ratio of event HR = 1.12 [0.89 - 1.41]. Based on its gender-stratified randomization, influence of gender on efficacy and acute toxicity were additionally explored. Methods: Impact of gender on EFS, acute toxicity by course, switches between treatment arms, and cumulative dose of alkylating agents was evaluated in multivariable models, including terms to test for heterogeneity of treatment effect by gender. Analysis was performed on the intention to treat population. Results: 856 patients (509 males, 347 females) were recruited between 2000 and 2010: 425 VAI and 431 VAC. EFS did not significantly differ between genders (p=0.33), but a marginal interaction was seen between treatment and gender (p=0.083): VAC was associated with poorer EFS in males than VAI, HR(VAC/VAI) = 1.34 [0.96 - 1.86] , whereas, in females, VAC was slightly better than VAI, HR = 0.83 [0.54 - 1.28]. Similarly, males had a worse EFS than females with VAC, HR(M/F) = 1.42 [0.97 – 2.08] , whereas results by gender were very similar with VAI, HR = 0.91 [0.62 – 1.33]. Severe hematological toxicity was more frequent with VAC than VAI whereas tubular renal impairment was more frequent with VAI. Severe toxicity was more frequent in females than in males, whatever the toxicity type, with no significant interaction between treatment and gender effect. 30 patients switched from VAI to VAC (21 F, 9 M) mostly due to renal toxicity, and 3 from VAC to VAI (1 F, 2 M). A reduction of alkylating agent cumulative dose 〉 20% was more frequent in females (15% vs 9%, p=0.01), with no major difference between VAI and VAC (13% vs 10%, p=0.21). Conclusions: The marginal interaction between gender and type of alkylating agent on EFS has to be validated on external data. Differences of acute toxicity rate and compliance are not sufficient explanation. Effects of gender-dependant polymorphism/activity of metabolic enzymes (e.g. known for CYP2B6) of ifosfamide vs cyclophosphamide should be explored. Clinical trial information: NCT00020566.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/jco.2013.31.15_suppl.10031
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2013
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  • 5
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    Survival is influenced by approaches to local treatment of Ewing sarcoma within an international randomised controlled trial: analysis of EICESS-92
    Springer Science and Business Media LLC ; 2018
    In:  Clinical Sarcoma Research Vol. 8, No. 1 ( 2018-12)
    Details
    In: Clinical Sarcoma Research, Springer Science and Business Media LLC, Vol. 8, No. 1 ( 2018-12)
    Abstract: Two national clinical trial groups, United Kingdom Children’s Cancer and Leukaemia Group (CCLG) and the German Paediatric Oncology and Haematology Group (GPOH) together undertook a randomised trial, EICESS-92, which addressed chemotherapy options for Ewing’s sarcoma. We sought the causes of unexpected survival differences between the study groups. Methods 647 patients were randomised. Cox regression analyses were used to compare event-free survival (EFS) and overall survival (OS) between the two study groups. Results 5-year EFS rates were 43% (95% CI 36–50%) and 57% (95% CI 52–62) in the CCLG and GPOH patients, respectively; corresponding 5-year OS rates were 52% (95% CI 45–59%) and 66% (95% CI 61–71). CCLG patients were less likely to have both surgery and radiotherapy (18 vs. 59%), and more likely to have a single local therapy modality compared to the GPOH patients (72 vs. 35%). Forty-five percent of GPOH patients had pre-operative radiotherapy compared to 3% of CCLG patients. In the CCLG group local recurrence (either with or without metastases) was the first event in 22% of patients compared with 7% in the GPOH group. After allowing for the effects of age, metastases, primary site, histology and local treatment modality, the risk of an EFS event was 44% greater in the CCLG cohort (95% CI 10–89%, p = 0.009), and the risk of dying was 30% greater, but not statistically significant (95% CI 3–74%, p = 0.08). Conclusions Unexpected differences in EFS and OS occurred between two patient cohorts recruited within an international randomised trial. Failure to select or deliver appropriate local treatment modalities for Ewing’s sarcoma may compromise chances of cure. Trial registration Supported by Deutsche Krebshilfe (Grants No. DKH M43/92/Jü2 and DKH 70-2551 Jü3), and European Union Biomedicine and Health Programme (Grants No. BMH1-CT92-1341 and BMH4-983956), and Cancer Research United Kingdom. Clinical trial information can be found for the following: NCT0000251
    Type of Medium: Online Resource
    ISSN: 2045-3329
    URL: Article
    DOI: 10.1186/s13569-018-0093-y
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2018
    detail.hit.zdb_id: 2623217-0
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  • 6
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    Safety assessment of intensive induction with vincristine, ifosfamide, doxorubicin, and etoposide (VIDE) in the treatment of Ewing tumors in the EURO-E.W.I.N.G. 99 clinical trial
    Wiley ; 2006
    In:  Pediatric Blood & Cancer Vol. 47, No. 1 ( 2006-07), p. 22-29
    Details
    In: Pediatric Blood & Cancer, Wiley, Vol. 47, No. 1 ( 2006-07), p. 22-29
    Type of Medium: Online Resource
    ISSN: 1545-5009 , 1545-5017
    URL: Issue
    URL: Journal
    URL: Article
    DOI: 10.1002/pbc.v47:1
    DOI: 10.1002/(ISSN)1545-5017
    DOI: 10.1002/pbc.20820
    Language: English
    Publisher: Wiley
    Publication Date: 2006
    detail.hit.zdb_id: 2130978-4
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  • 7
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    Results of the EICESS-92 Study: Two Randomized Trials of Ewing's Sarcoma Treatment—Cyclophosphamide Compared With Ifosfamide in Standard-Risk Patients and Assessment of Benefit of Etoposide Added to Standard Treatment in High-Risk Patients
    American Society of Clinical Oncology (ASCO) ; 2008
    In:  Journal of Clinical Oncology Vol. 26, No. 27 ( 2008-09-20), p. 4385-4393
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 26, No. 27 ( 2008-09-20), p. 4385-4393
    Abstract: The European Intergroup Cooperative Ewing's Sarcoma Study investigated whether cyclophosphamide has a similar efficacy as ifosfamide in standard-risk (SR) patients and whether the addition of etoposide improves survival in high-risk (HR) patients. Patients and Methods SR patients (localized tumors, volume 〈 100 mL) were randomly assigned to receive four courses of vincristine, dactinomycin, ifosfamide, and doxorubicin (VAIA) induction therapy followed by 10 courses of either VAIA or vincristine, dactinomycin, cyclophosphamide, and doxorubicin (VACA; cyclophosphamide replacing ifosfamide). HR patients (volume ≥100 mL or metastases) were randomly assigned to receive 14 courses of either VAIA or VAIA plus etoposide (EVAIA). Outcome measures were event-free survival (EFS; defined as the time to first recurrence, progression, second malignancy, or death) and overall survival (OS). Results A total of 647 patients were randomly assigned: 79 SR patients were assigned to VAIA, 76 SR patients were assigned to VACA, 240 HR were assigned to VAIA, and 252 HR patients were assigned to EVAIA. The median follow-up was 8.5 years. In the SR group, the hazard ratios (VACA v VAIA) for EFS and OS were 0.91 (95% CI, 0.55 to 1.53) and 1.08 (95% CI, 0.58 to 2.03), respectively. There was a higher incidence of hematologic toxicities in the VACA arm. In the HR group, the EFS and OS hazard ratios (EVAIA v VAIA) indicated a 17% reduction in the risk of an event (95% CI, −35% to 5%; P = .12) and 15% reduction in dying (95% CI, −34% to 10%), respectively. The effect seemed greater among patients without metastases (hazard ratio = 0.79; P = .16) than among those with metastases (hazard ratio = 0.96; P = .84). Conclusion Cyclophosphamide seemed to have a similar effect on EFS and OS as ifosfamide in SR patients but was associated with increased toxicity. In HR patients, the addition of etoposide seemed to be beneficial.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2008.16.5720
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2008
    detail.hit.zdb_id: 2005181-5
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  • 8
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    Primary Disseminated Multifocal Ewing Sarcoma: Results of the Euro-EWING 99 Trial
    American Society of Clinical Oncology (ASCO) ; 2010
    In:  Journal of Clinical Oncology Vol. 28, No. 20 ( 2010-07-10), p. 3284-3291
    Details
    In: Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 28, No. 20 ( 2010-07-10), p. 3284-3291
    Abstract: To improve the poor prognosis of patients with primary disseminated multifocal Ewing sarcomas (PDMES) with a dose-intense treatment concept. Patients and Methods From 1999 to 2005, 281 patients with PDMES were enrolled onto the Euro-EWING 99 R3 study. Median age was 16.2 years (range, 0.4 to 49 years). Recommended treatment consisted of six cycles of vincristine, ifosfamide, doxorubicin, and etoposide (VIDE), one cycle of vincristine, dactinomycin, and ifosfamide (VAI), local treatment (surgery and/or radiotherapy), and high-dose busulfan-melphalan followed by autologous stem-cell transplantation (HDT/SCT). Results After a median follow-up of 3.8 years, event-free survival (EFS) and overall survival (OS) at 3 years for all 281 patients were 27% ± 3% and 34% ± 4% respectively. Six VIDE cycles were completed by 250 patients (89%); 169 patients (60%) received HDT/SCT. The estimated 3-year EFS from the start of HDT/SCT was 45% for 46 children younger than 14 years. Cox regression analyses demonstrated increased risk at diagnosis for patients older than 14 years (hazard ratio [HR] = 1.6), a primary tumor volume more than 200 mL (HR = 1.8), more than one bone metastatic site (HR = 2.0), bone marrow metastases (HR = 1.6), and additional lung metastases (HR = 1.5). An up-front risk score based on these HR factors identified three groups with EFS rates of 50% for score ≤ 3 (82 patients), 25% for score more than 3 to less than 5 (102 patients), and 10% for score ≥ 5 (70 patients; P 〈 .0001). Conclusion PDMES patients may survive with intensive multimodal therapy. Age, tumor volume, and extent of metastatic spread are relevant risk factors. A score based on these factors may facilitate risk-adapted treatment approaches.
    Type of Medium: Online Resource
    ISSN: 0732-183X , 1527-7755
    URL: Article
    DOI: 10.1200/JCO.2009.22.9864
    RVK:
    XA 52760
    RVK:
    XA 10000
    Language: English
    Publisher: American Society of Clinical Oncology (ASCO)
    Publication Date: 2010
    detail.hit.zdb_id: 2005181-5
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