A Phase I Study of Thrombopoietin (rhTPO) Plus G-CSF in Children Receiving Ifosfamide, Carboplatin, and Etoposide (I.C.E.) Chemotherapy for Recurrent or Refractory Solid Tumors
试验速览
- 阶段
- 1 期
- 状态
- 已完成
- 入组人数
- 16
- 试验地点
- 24
- 主要终点
- Determine the pharmacokinetics and toxicities associated with the administration of recombinant human thrombopoietin (rhTPO)
研究概览
简要总结
RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Colony-stimulating factors such as thrombopoietin and G-CSF may increase the number of immune cells found in bone marrow or peripheral blood and may help a person's immune system recover from the side effects of chemotherapy.
PURPOSE: Phase I trial to study the effectiveness of colony-stimulating factors in treating children who have recurrent or refractory solid tumors and who are receiving chemotherapy.
详细描述
OBJECTIVES:
- Determine the pharmacokinetics and toxicities associated with the administration of recombinant human thrombopoietin in children with solid tumors receiving myelosuppressive chemotherapy with ifosfamide, carboplatin, and etoposide (ICE).
- Determine a safe dose of recombinant human thrombopoietin with filgrastim (G-CSF) in this patient population.
- Evaluate the time to platelet count recovery following chemotherapy in this patient population.
- Evaluate the depth and duration of neutropenia and thrombocytopenia and the number of platelet transfusion events in this patient population.
OUTLINE: This is a dose escalation study of recombinant human thrombopoietin.
All patients receive chemotherapy consisting of carboplatin IV over 60 minutes on days 0 and 1 and etoposide and ifosfamide IV over 60 minutes on days 0-4. Chemotherapy is continued in the absence of disease progression or unacceptable toxicity for a maximum of 6 courses every 21 days.
Cohorts of 3-6 patients each receive escalating doses of recombinant human thrombopoietin IV on days 4, 6, 8, 10, and 12 until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose at which fewer than 2 patients experience dose limiting toxicity. After the MTD is determined an additional cohort of patients are treated at this dose level every other day on days 4-20. Patients receive filgrastim (G-CSF) subcutaneously beginning on day 5 and continuing until absolute neutrophil count is greater than 1000/mm3 for 2 consecutive days or day 33.
研究设计
- 研究类型
- Interventional
- 分配方式
- Non Randomized
- 干预模型
- Single Group
- 主要目的
- Supportive Care
- 盲法
- None
入排标准
- 年龄范围
- 1 Year 至 21 Years（Child, Adult）
- 性别
- All
- 接受健康志愿者
- 否
入选标准
- 未提供
排除标准
- 未提供
研究组 & 干预措施
Cohort 1
Chemotherapy days 0-4, G-CSF (5 μg/kg/d) as a daily subcutaneous injection beginning on Day 5. All patients receive recombinant human thrombopoietin (rhTPO). rhTPO began on the last day of ICE (Ifosfamide, Carboplatin and Etoposide) chemotherapy (Day 4) and subsequent doses will be administered on Days 6, 8, 10 and 12 (5 doses total). The initial dose of rhTPO was 1.2 μg/kg/dose and was subsequently escalated to 2.4 and 3.6 μg/kg/dose as tolerated. Therapy will continue for maximum six courses. Pharmacokinetic data will be obtained (during course one only).
干预措施: recombinant human thrombopoietin (Biological)
Cohort 1
Chemotherapy days 0-4, G-CSF (5 μg/kg/d) as a daily subcutaneous injection beginning on Day 5. All patients receive recombinant human thrombopoietin (rhTPO). rhTPO began on the last day of ICE (Ifosfamide, Carboplatin and Etoposide) chemotherapy (Day 4) and subsequent doses will be administered on Days 6, 8, 10 and 12 (5 doses total). The initial dose of rhTPO was 1.2 μg/kg/dose and was subsequently escalated to 2.4 and 3.6 μg/kg/dose as tolerated. Therapy will continue for maximum six courses. Pharmacokinetic data will be obtained (during course one only).
干预措施: carboplatin (Drug)
Cohort 1
Chemotherapy days 0-4, G-CSF (5 μg/kg/d) as a daily subcutaneous injection beginning on Day 5. All patients receive recombinant human thrombopoietin (rhTPO). rhTPO began on the last day of ICE (Ifosfamide, Carboplatin and Etoposide) chemotherapy (Day 4) and subsequent doses will be administered on Days 6, 8, 10 and 12 (5 doses total). The initial dose of rhTPO was 1.2 μg/kg/dose and was subsequently escalated to 2.4 and 3.6 μg/kg/dose as tolerated. Therapy will continue for maximum six courses. Pharmacokinetic data will be obtained (during course one only).
干预措施: etoposide (Drug)
Cohort 1
Chemotherapy days 0-4, G-CSF (5 μg/kg/d) as a daily subcutaneous injection beginning on Day 5. All patients receive recombinant human thrombopoietin (rhTPO). rhTPO began on the last day of ICE (Ifosfamide, Carboplatin and Etoposide) chemotherapy (Day 4) and subsequent doses will be administered on Days 6, 8, 10 and 12 (5 doses total). The initial dose of rhTPO was 1.2 μg/kg/dose and was subsequently escalated to 2.4 and 3.6 μg/kg/dose as tolerated. Therapy will continue for maximum six courses. Pharmacokinetic data will be obtained (during course one only).
干预措施: ifosfamide (Drug)
Cohort 1
Chemotherapy days 0-4, G-CSF (5 μg/kg/d) as a daily subcutaneous injection beginning on Day 5. All patients receive recombinant human thrombopoietin (rhTPO). rhTPO began on the last day of ICE (Ifosfamide, Carboplatin and Etoposide) chemotherapy (Day 4) and subsequent doses will be administered on Days 6, 8, 10 and 12 (5 doses total). The initial dose of rhTPO was 1.2 μg/kg/dose and was subsequently escalated to 2.4 and 3.6 μg/kg/dose as tolerated. Therapy will continue for maximum six courses. Pharmacokinetic data will be obtained (during course one only).
干预措施: G-CSF (Biological)
Cohort 2
Chemotherapy days 0-4, G-CSF (5 μg/kg/d) as a daily subcutaneous injection beginning on Day 5. All patients receive recombinant human thrombopoietin (rhTPO). The dose of rhTPO 1.2 μg/kg/dose and subsequently escalated to 2.4 and 3.6 μg/kg/dose as tolerated. Patients assigned to Cohort II will receive pre-chemotherapy rhTPO at 3.6 μg/kg/dose on Days -5, -3, -1, and post-chemotherapy rhTPO on Days +4, +6, and +8 (6 doses total. Subsequent courses of chemotherapy will begin as soon as the ANC recovers to
≥ 1,000/μL and the platelet count to ≥ 100,000/μL between days 21 and 35. Therapy will continue for maximum six courses. Pharmacokinetic data will be obtained (during course one nly). For the second cohort, full data collection will occur for cycles one and two and limited data collection for cycles 3, 4, 5, and 6.
干预措施: recombinant human thrombopoietin (Biological)
Cohort 2
Chemotherapy days 0-4, G-CSF (5 μg/kg/d) as a daily subcutaneous injection beginning on Day 5. All patients receive recombinant human thrombopoietin (rhTPO). The dose of rhTPO 1.2 μg/kg/dose and subsequently escalated to 2.4 and 3.6 μg/kg/dose as tolerated. Patients assigned to Cohort II will receive pre-chemotherapy rhTPO at 3.6 μg/kg/dose on Days -5, -3, -1, and post-chemotherapy rhTPO on Days +4, +6, and +8 (6 doses total. Subsequent courses of chemotherapy will begin as soon as the ANC recovers to
≥ 1,000/μL and the platelet count to ≥ 100,000/μL between days 21 and 35. Therapy will continue for maximum six courses. Pharmacokinetic data will be obtained (during course one nly). For the second cohort, full data collection will occur for cycles one and two and limited data collection for cycles 3, 4, 5, and 6.
干预措施: carboplatin (Drug)
Cohort 2
Chemotherapy days 0-4, G-CSF (5 μg/kg/d) as a daily subcutaneous injection beginning on Day 5. All patients receive recombinant human thrombopoietin (rhTPO). The dose of rhTPO 1.2 μg/kg/dose and subsequently escalated to 2.4 and 3.6 μg/kg/dose as tolerated. Patients assigned to Cohort II will receive pre-chemotherapy rhTPO at 3.6 μg/kg/dose on Days -5, -3, -1, and post-chemotherapy rhTPO on Days +4, +6, and +8 (6 doses total. Subsequent courses of chemotherapy will begin as soon as the ANC recovers to
≥ 1,000/μL and the platelet count to ≥ 100,000/μL between days 21 and 35. Therapy will continue for maximum six courses. Pharmacokinetic data will be obtained (during course one nly). For the second cohort, full data collection will occur for cycles one and two and limited data collection for cycles 3, 4, 5, and 6.
干预措施: etoposide (Drug)
Cohort 2
Chemotherapy days 0-4, G-CSF (5 μg/kg/d) as a daily subcutaneous injection beginning on Day 5. All patients receive recombinant human thrombopoietin (rhTPO). The dose of rhTPO 1.2 μg/kg/dose and subsequently escalated to 2.4 and 3.6 μg/kg/dose as tolerated. Patients assigned to Cohort II will receive pre-chemotherapy rhTPO at 3.6 μg/kg/dose on Days -5, -3, -1, and post-chemotherapy rhTPO on Days +4, +6, and +8 (6 doses total. Subsequent courses of chemotherapy will begin as soon as the ANC recovers to
≥ 1,000/μL and the platelet count to ≥ 100,000/μL between days 21 and 35. Therapy will continue for maximum six courses. Pharmacokinetic data will be obtained (during course one nly). For the second cohort, full data collection will occur for cycles one and two and limited data collection for cycles 3, 4, 5, and 6.
干预措施: ifosfamide (Drug)
Cohort 2
Chemotherapy days 0-4, G-CSF (5 μg/kg/d) as a daily subcutaneous injection beginning on Day 5. All patients receive recombinant human thrombopoietin (rhTPO). The dose of rhTPO 1.2 μg/kg/dose and subsequently escalated to 2.4 and 3.6 μg/kg/dose as tolerated. Patients assigned to Cohort II will receive pre-chemotherapy rhTPO at 3.6 μg/kg/dose on Days -5, -3, -1, and post-chemotherapy rhTPO on Days +4, +6, and +8 (6 doses total. Subsequent courses of chemotherapy will begin as soon as the ANC recovers to
≥ 1,000/μL and the platelet count to ≥ 100,000/μL between days 21 and 35. Therapy will continue for maximum six courses. Pharmacokinetic data will be obtained (during course one nly). For the second cohort, full data collection will occur for cycles one and two and limited data collection for cycles 3, 4, 5, and 6.
干预措施: G-CSF (Biological)
结局指标
主要结局
Determine the pharmacokinetics and toxicities associated with the administration of recombinant human thrombopoietin (rhTPO)
时间窗: length of study
To determine the pharmacokinetics and toxicities associated with the administration of recombinant human thrombopoietin (rhTPO) in children receiving I.C.E. myelosuppressive chemotherapy.
次要结局
- Evaluate the time for patients to demonstrate platelet recovery(Length of study)