Expired Study
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Arcadia, California 91006


Purpose:

Phase II trial to study the effectiveness of imatinib mesylate in treating patients who have relapsed or refractory solid tumors of childhood. Imatinib mesylate may stop the growth of tumor cells by blocking the enzymes necessary for their growth.


Study summary:

OBJECTIVES: I. Determine the response rate of patients with relapsed or refractory pediatric solid tumors treated with imatinib mesylate. II. Determine the toxicity of this drug in these patients. III. Determine the time to progression in patients treated with this drug. IV. Determine the pharmacokinetics of this drug in these patients. V. Correlate response with c-kit and platelet-derived growth factor receptor expression in patients treated with this drug. OUTLINE: This is a multicenter study. Patients are stratified according to disease (Ewing's sarcoma/primitive neuroectodermal tumor vs osteosarcoma vs neuroblastoma vs other). Patients receive oral imatinib mesylate once or twice daily on days 1-28. Courses repeat every 28 days for up to 2 years in the absence of disease progression or unacceptable toxicity.


Criteria:

Inclusion Criteria: - Histologically confirmed solid tumors including the following: - Ewing's sarcoma - Bone or soft tissue primitive neuroectodermal tumor - Osteosarcoma - Neuroblastoma - Desmoplastic small round cell tumor - Synovial cell sarcoma - Gastrointestinal stromal tumor (GIST) - Metastatic pulmonary disease eligible - No pleural effusion of any size or definite radiologic evidence of pleural-based disease - Recurrent or refractory to conventional therapy - GIST eligible at initial presentation - Tumor tissue blocks must be available - At least 1 measurable lesion - At least 20 mm by conventional techniques - At least 10 mm by spiral CT scan - Lesions assessable only by radionuclide scan are not considered measurable - Performance status - Lansky 50-100% (≤ 10 years of age) - Performance status - Karnofsky 50-100% (> 10 years of age) - At least 2 months - Absolute neutrophil count ≥ 1,000/mm^3* - Platelet count ≥ 75,000/mm^3* (transfusion independent) - Hemoglobin ≥ 8.0 g/dL* (RBC transfusions allowed) - Bilirubin ≤ 1.5 times upper limit of normal (ULN) - ALT ≤ 2.5 times ULN - INR < 1.5 - PTT ≤ ULN - Fibrinogen ≥ lower limit of normal - Creatinine normal for age - Glomerular filtration rate ≥ 70 mL/min - No uncontrolled infection - Not pregnant or nursing - Negative pregnancy test - Fertile patients must use effective barrier contraception - At least 1 week since prior biologic therapy or immunotherapy and recovered - At least 1 week since prior growth factors - No concurrent immunomodulating agents - At least 2 weeks since prior myelosuppressive chemotherapy (4 weeks for nitrosoureas) and recovered - No concurrent chemotherapy - No concurrent steroids - Recovered from prior radiotherapy - At least 2 weeks since prior local palliative radiotherapy (small port) - At least 3 months since prior craniospinal radiotherapy or radiotherapy to 50% or more of pelvis - At least 6 weeks since other prior substantial bone marrow radiation - No concurrent radiotherapy during first course of treatment - Concurrent palliative radiotherapy to local painful lesions allowed after first course of treatment provided there is no evidence of disease progression and at least 1 measurable lesion remains outside radiation port - No concurrent therapeutic doses of warfarin - No concurrent anticonvulsants that induce the cytochrome p450 enzyme system (e.g., phenytoin, carbamazepine, and phenobarbital) - Concurrent benzodiazepines and gabapentin allowed - Concurrent low-molecular weight heparin allowed


NCT ID:

NCT00030667


Primary Contact:

Principal Investigator
Mason Bond
Children's Oncology Group


Backup Contact:

N/A


Location Contact:

Arcadia, California 91006
United States



There is no listed contact information for this specific location.

Site Status: N/A


Data Source: ClinicalTrials.gov

Date Processed: December 10, 2017

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