At a glance
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Phase 1/2 Study of Lenvatinib in Children and Adolescents With Refractory or Relapsed Solid Malignancies and Young Adults With Osteosarcoma
In Brief
A Phase 2 clinical trial evaluating Lenvatinib, Ifosfamide, and 1 other intervention for Tumors and 3 related conditions. Completed, enrolled 117 participants across 19 sites in 6 countries.
Detailed Summary
This is a phase 1/2 study evaluating safety, tolerability, and efficacy of lenvatinib as single-agent, and in combination with chemotherapy (ifosfamide and etoposide) in children and adolescents with refractory or relapsed solid malignancies including differentiated thyroid carcinoma (single agent lenvatinib) and osteosarcoma (single agent and combination lenvatinib).
Study Details
Timeline
Interventions
Cohort 1: Lenvatinib will be administered orally, once daily on Days 1 to 28 of each 28-day cycle at a starting dose of 11 mg/m2. Dose can be de-escalated to 9 mg/m2 or escalated to 14 and 17 mg/m2.
Cohort 2A: Lenvatinib (RD determined in Cohort 1) will be administered orally, once daily on Days 1 to 28 of each 28-day cycle.
Cohort 2B: Lenvatinib (RD determined in Cohort 1) will be administered orally, once daily on Days 1 to 28 of each 28-day cycle.
Cohort 3A: Lenvatinib will be administered orally, once daily on Days 1 to 21 of each 21-day cycle at 20% lower than RD determined in Cohort 1 (starting dose). Lenvatinib dose can be escalated to the RD from Cohort 1 or de-escalated to 40 and 60% lower than the RD from Cohort 1.
Cohort 3B: Lenvatinib will be administered orally, once daily on Days 1 to 21 of each 21-day cycle at the RD as determined in Cohort 3A.
Ifosfamide 3000 mg/m2/day (starting dose) will be administered on Days 1 to 3 of each 21-day cycle for a total of 5 cycles. Ifosfamide dose can be de-escalated to 2400 mg/m2/day and 1800 mg/m2/day.
Etoposide 100 mg/m2/day (starting dose) will be administered on Days 1 to 3 of each 21-day cycle for a total of 5 cycles. Etoposide dose can be de-escalated to 80 mg/m2/day and 60 mg/m2/day.
Ifosfamide dose identified in Cohort 3A will be administered on Days 1 to 3 of each 21-day cycle for a total of 5 cycles.
Etoposide dose identified in Cohort 3A will be administered on Days 1 to 3 of each 21-day cycle for a total of 5 cycles.