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About
This phase I trial studies the side effects and best dose of tivantinib in treating younger patients with solid tumors that have returned after a period of improvement or have not responded to treatment. Tivantinib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth.
Full description
PRIMARY OBJECTIVES:
I. To estimate the maximum tolerated dose (MTD) and/or recommended phase 2 dose of tivantinib administered orally twice daily to children with refractory solid tumors.
II. To define and describe the toxicities of tivantinib administered on this schedule.
III. To characterize the pharmacokinetics of tivantinib (capsule as well as powder formulation) in children with refractory cancer.
SECONDARY OBJECTIVES:
I. To preliminarily define the antitumor activity of tivantinib within the confines of a phase 1 study.
II. To preliminarily investigate whether cytochrome P450 (CYP450) polymorphisms impact pharmacokinetics or toxicity of tivantinib.
III. To preliminarily investigate whether tumor c-Met and/or hepatocyte growth factor (HGF) expression or downstream c-Met signaling correlate with clinical response to tivantinib.
OUTLINE: This is a dose-escalation study.
Patients receive tivantinib orally (PO) twice daily (BID) on days 1-28. Treatment repeats every 28 days for up to 12 courses in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up for 30 days.
Enrollment
Sex
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Inclusion criteria
PART A: Patients on dose levels -1 or 1 must have a body surface area (BSA) >= 0.65 m^2 at the time of study enrollment; patients on dose levels 2 or 3 must have a BSA >= 0.45 m^2 at the time of study enrollment
PART B: There is no minimum body surface area requirement for patients in part B
Patients with relapsed or refractory solid tumors including central nervous system (CNS) tumors are eligible; patients must have had histologic verification of malignancy at original diagnosis or relapse except in patients with intrinsic brain stem tumors, optic pathway gliomas, or patients with pineal tumors and elevations of cerebrospinal fluid (CSF) or serum tumor markers including alpha-fetoprotein or beta-human chorionic gonadotropin (HCG)
Patients must have either measurable or evaluable disease
Patient's current disease state must be one for which there is no known curative therapy or therapy proven to prolong survival with an acceptable quality of life
Karnofsky >= 50% for patients > 16 years of age and Lansky >= 50 for patients =< 16 years of age; note: neurologic deficits in patients with CNS tumors must have been stable or improving for at least 7 days prior to study enrollment; patients who are unable to walk because of paralysis, but who are up in a wheelchair, will be considered ambulatory for the purpose of assessing the performance score
Patients must have fully recovered from the acute toxic effects of all prior anti-cancer chemotherapy:
Peripheral absolute neutrophil count (ANC) >= 1000/mm^3
Platelet count >= 100,000/mm^3 (transfusion independent, defined as not receiving platelet transfusions for at least 7 days prior to enrollment)
Patients with known bone marrow involvement will be eligible for study provided they meet the blood counts above (may receive transfusions provided they are not known to be refractory to red cell or platelet transfusions); these patients will not be evaluable for hematologic toxicity; at least 5 of every cohort of 6 patients with a solid tumor must be evaluable for hematologic toxicity for the dose escalation part of the study; if dose-limiting hematologic toxicity is observed, all subsequent patients enrolled must be evaluable for hematologic toxicity
Creatinine clearance or radioisotope glomerular filtration rate (GFR) >= 70 ml/min/1.73 m^2 or a serum creatinine based on age/gender as follows:
Bilirubin (sum of conjugated + unconjugated) =< 1.5 x upper limit of normal (ULN) for age
Serum glutamic pyruvate transaminase (SGPT) (alanine aminotransferase [ALT]) =< 110 U/L; for the purpose of this study, the ULN for SGPT is 45 U/L
Serum albumin >= 2 g/dL
All patients and/or their parents or legally authorized representatives must sign a written informed consent; assent, when appropriate, will be obtained according to institutional guidelines
Tissue blocks or slides must be sent; if tissue blocks or slides are unavailable, the study chair must be notified prior to enrollment
Exclusion criteria
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36 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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