An Open-label, Multi-center, Randomized Study of the Safety and Effect on Event-free Survival of Bevacizumab in Combination With Standard Chemotherapy in Childhood and Adolescent Patients With Metastatic Rhabdomyosarcoma and Non-rhabdomyosarcoma Soft Tissue Sarcoma
试验速览
- 阶段
- 2 期
- 状态
- 已完成
- 入组人数
- 154
- 试验地点
- 61
- 主要终点
- Percentage of Participants Who Experienced Event-Free Survival (EFS) Events as Per Independent Review Committee (IRC) Assessment
研究概览
简要总结
This open-label two-arm study will assess the safety and efficacy of a combination of bevacizumab + standard chemotherapy with standard chemotherapy alone as active comparator in childhood and adolescent patients with metastatic rhabdomyosarcoma or non-rhabdomyosarcoma soft tissue sarcoma. Patients will be randomized to receive bevacizumab + standard chemotherapy or standard chemotherapy alone. Treatment will consist of 9 x 3-week cycles of induction treatment (standard chemotherapy with or without bevacizumab 7.5 mg/kg iv on day 1 of each cycle) followed by 12 x 4-week cycles of maintenance treatment (standard chemotherapy with or without bevacizumab 5 mg/kg iv on days 1 and 15 of each cycle). The anticipated time on study treatment is 1-2 years.
研究设计
- 研究类型
- Interventional
- 分配方式
- Randomized
- 干预模型
- Parallel
- 主要目的
- Treatment
- 盲法
- None
入排标准
- 年龄范围
- 6 Months 至 18 Years（Child, Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- •childhood and adolescent patients aged >/=6 months to 18 years of age
- •metastatic rhabdomyosarcoma or non-rhabdomyosarcoma soft tissue sarcoma
- •adequate bone marrow function
- •adequate renal and liver function
- •adequate blood clotting
排除标准
- •previous malignant tumors
- •tumor invading major blood vessels
- •prior systemic anti-tumor treatment
研究组 & 干预措施
Bevacizumab + Chemotherapy
Participants received continuous IV infusion of bevacizumab (7.5 mg/kg every 3 weeks) on Day 1 of 3-week cycles followed by induction chemotherapy (4 cycles of IVADo-containing chemotherapy followed by 5 cycles of IVA-containing chemotherapy) as per institutional practice for a total of 9 cycles during induction treatment phase. As per the investigator decision, local therapy (radiotherapy and /or surgery) was expected to start after 4 weeks of the last bevacizumab administration in the induction phase and resumed to bevacizumab in the maintenance phase at least 4 weeks after the last dose of local therapy. During maintenance treatment phase, participants received IV infusion of bevacizumab (5 mg/kg every 2 weeks) followed by vinorelbine- and cyclophosphamide-containing chemotherapy (as per institutional practice) on Days 1 and 15 of 4-week cycles for a total of 12 cycles.
干预措施: Standard chemotherapy (Drug)
Bevacizumab + Chemotherapy
Participants received continuous IV infusion of bevacizumab (7.5 mg/kg every 3 weeks) on Day 1 of 3-week cycles followed by induction chemotherapy (4 cycles of IVADo-containing chemotherapy followed by 5 cycles of IVA-containing chemotherapy) as per institutional practice for a total of 9 cycles during induction treatment phase. As per the investigator decision, local therapy (radiotherapy and /or surgery) was expected to start after 4 weeks of the last bevacizumab administration in the induction phase and resumed to bevacizumab in the maintenance phase at least 4 weeks after the last dose of local therapy. During maintenance treatment phase, participants received IV infusion of bevacizumab (5 mg/kg every 2 weeks) followed by vinorelbine- and cyclophosphamide-containing chemotherapy (as per institutional practice) on Days 1 and 15 of 4-week cycles for a total of 12 cycles.
干预措施: bevacizumab [Avastin] (Drug)
Chemotherapy
Participants received 9 cycles of induction chemotherapy (4 cycles of IVADo-containing chemotherapy followed by 5 cycles of IVA-containing chemotherapy administered every 3 weeks as per institutional practice. As per the investigator evaluation, participants had option to undergo local therapy (radiotherapy and /or surgery) during last 3 cycles of IVA (i.e. from Cycle 6 to Cycle 9). During maintenance treatment phase, participants received vinorelbine- and cyclophosphamide-containing chemotherapy (as per institutional practice) on Day 1 and 15 of 4-week cycles for a total of 12 cycles.
干预措施: Standard chemotherapy (Drug)
结局指标
主要结局
Percentage of Participants Who Experienced Event-Free Survival (EFS) Events as Per Independent Review Committee (IRC) Assessment
时间窗: Screening up to approximately 6.75 years (assessed at screening, Cycles 4, 7 of induction phase, Cycles 1, 4, 7, 10 of maintenance, then every 3 months for 1.5 years and thereafter every 6 months for 2.5 years)
EFS events included tumor progression (IRC assessed), no evidence of response after 3 cycles of induction (derived from IRC assessment), second primary cancer, or death due to any cause. Data for participants who had not experienced an event by the time of clinical cut-off were censored at the date of the last disease assessment prior to the clinical cut-off date. Data for participants who did not have any post-baseline disease assessments were censored at the time of randomization. Tumor progression was defined using Response Evaluation Criteria in Solid Tumors version 1.0 (RECIST v1.0) as at least a 20% increase in the disease measurement, taking as reference the smallest disease measurement recorded since the start of treatment, or the appearance of one or more new lesions, or evidence of clinical progression and unequivocal progression of existing non-target lesions.
EFS Duration as Per IRC Assessment
时间窗: Screening up to approximately 6.75 years (assessed at screening, Cycles 4, 7 of induction phase, Cycles 1, 4, 7, 10 of maintenance, then every 3 months for 1.5 years and thereafter every 6 months for 2.5 years)
EFS was defined as the time between randomization and occurrence of EFS event. EFS events are described in Outcome Measure 1. Median EFS was estimated using Kaplan-Meier estimates and 95% confidence intervals (CI) for median was computed using the method of Brookmeyer and Crowley.
次要结局
- Area Under the Curve at Steady State (AUCss) of Bevacizumab(Pre- and within 3 hours post-dose on Days 1, 8, and 15 of Cycle 1, Day 1 of Cycle 2-4 of induction phase)
- Half-Life of Bevacizumab(Pre- and within 3 hours post-dose on Days 1, 8, and 15 of Cycle 1, Day 1 of Cycle 2-4 of induction phase (1 cycle = 3 weeks))
- Percentage of Participants Who Experienced EFS Events Among Participants Who Had Objective Response(Screening up to approximately 6.75 years)
- Percentage of Participants Who Died(Screening up to approximately 10.75 years (assessed at screening, Cycles 4, 7 of induction phase, Cycles 1, 4, 7, 10 of maintenance, then every 3 months for 1.5 years and thereafter every 6 months for 2.5 years.)
- Duration of Response(Screening up to approximately 6.75 years)
- Percentage of Participants With Objective Response Prior to First Local Therapy Assessed by RECIST v1.0 Criteria(Screening up to approximately 6.75 years)
- Volume of Distribution of Bevacizumab(Pre- and within 3 hours post-dose on Days 1, 8, and 15 of Cycle 1, Day 1 of Cycle 2-4 of induction phase (1 cycle = 3 weeks))
- Clearance of Bevacizumab(Pre- and within 3 hours post-dose on Days 1, 8, and 15 of Cycle 1, Day 1 of Cycle 2-4 of induction phase (1 cycle = 3 weeks))
- Overall Survival Duration(Screening up to approximately 10.75 years (assessed at screening, Cycles 4, 7 of induction phase, Cycles 1, 4, 7, 10 of maintenance, then every 3 months for 1.5 years and thereafter every 6 months for 2.5 years))