Melanoma Clinical Trial
Imatinib Mesylate and Bevacizumab in Treating Patients With Advanced Melanoma or Other Advanced Cancers
Summary
Phase II trial to study the effectiveness of combining imatinib mesylate with bevacizumab in treating patients who have advanced melanoma or other metastatic or unresectable cancer. Imatinib mesylate may stop the growth of tumor cells by blocking the enzymes necessary for their growth. Bevacizumab may stop the growth of tumor cells by stopping blood flow to the tumor. Combining imatinib mesylate with bevacizumab may kill more tumor cells
Full Description
OBJECTIVES:
I. Determine the tolerability, maximum tolerated dose, and lowest biologically active dose of imatinib mesylate and bevacizumab in patients with advanced melanoma or other advanced cancers.
II. Determine the response rate, time to progression, and survival of patients treated with this regimen.
III. Correlate clinical activity with inhibition of platelet-derived growth factor receptor beta, vascular endothelial growth factor receptor, flt-1, and markers of angiogenesis in patients treated with this regimen.
IV. Correlate clinical activity with alterations in tumor perfusion as assessed by dynamic contrast-enhanced MRI and Doppler ultrasound in patients treated with this regimen.
V. Correlate toxicity, clinical activity, and correlative endpoints with the steady-stage plasma concentration of imatinib mesylate in patients treated with this regimen.
OUTLINE: This is a dose-escalation, open-label study.
PHASE I (closed to accrual as of 8/23/04): Patients receive oral imatinib mesylate once or twice daily on days 1-28 and bevacizumab IV over 30-90 minutes on days 1 and 14. Courses repeat every 28 days in the absence of disease progression or unacceptable toxicity.
Cohorts of 3-6 patients receive escalating doses of imatinib mesylate and bevacizumab until the maximum tolerated dose (MTD) is determined. The MTD is defined as the dose preceding that at which 2 of 3 or 2 of 6 patients experience dose-limiting toxicity.
PHASE II: Patients receive imatinib mesylate and bevacizumab as in phase I at the MTD.
Eligibility Criteria
Inclusion Criteria:
Histologically or cytologically confirmed diagnosis of 1 of the following:
Metastatic or unresectable malignancy for which standard curative or palliative measures do not exist or are no longer effective (phase I) (phase I study closed to accrual as of 8/23/04)
Melanoma (phase I and II)
Measurable disease (phase II)
No history or clinical evidence of CNS disease, including primary brain tumor or brain metastases
Performance status - ECOG 0-1
More than 3 months
WBC at least 3,000/mm^3
Absolute granulocyte count at least 1,500/mm^3
Platelet count at least 100,000/mm^3
No history of bleeding diathesis or coagulopathy
Bilirubin no greater than 1.5 times upper limit of normal (ULN)
AST and ALT no greater than 2.5 times ULN
INR no greater than 1.5
APTT normal
Creatinine no greater than 2.0 times ULN
Creatinine clearance at least 40 mL/min
No proteinuria
Urinary protein less than 500 mg/24 hours
No history of stroke
No uncontrolled hypertension within the past 6 months
Blood pressure less than 150/100 mm Hg on a stable antihypertensive regimen
None of the following within the past 6 months:
Myocardial infarction
Unstable angina
New York Heart Association class II-IV congestive heart failure
Serious cardiac arrhythmia requiring medication
Grade II or greater peripheral vascular disease
Transient ischemic attack
Cerebrovascular accident
Other arterial thromboembolic event
Other clinically significant cardiovascular disease
Not pregnant or nursing
Negative pregnancy test
Fertile patients must use effective barrier contraception during and for at least 3 months after study participation
No seizures not controlled with standard medical therapy
No prior allergic reactions attributed to Chinese hamster ovary cell products, other recombinant human antibodies, or compounds of similar chemical or biological composition to imatinib mesylate
No serious, nonhealing wound, ulcer, or bone fracture
No ongoing or active infection requiring parenteral antibiotics
No significant traumatic injury within the past 28 days
No psychiatric illness or social situation that would preclude study compliance
No other concurrent uncontrolled illness
More than 4 weeks since prior immunotherapy
More than 8 weeks since prior monoclonal antibody therapy
No concurrent prophylactic granulocyte or platelet colony-stimulating factors
More than 4 weeks since prior chemotherapy (6 weeks for nitrosoureas or mitomycin)
No more than 1 prior cytotoxic chemotherapy regimen for advanced disease (phase II)
More than 4 weeks since prior radiotherapy
More than 28 days since prior major surgical procedure or open biopsy
Recovered from prior therapy
No concurrent chronic daily aspirin (greater than 325 mg/day) or nonsteroidal anti-inflammatory drugs known to inhibit platelet function
No recent or concurrent full-dose anticoagulants (except as required to maintain patency of preexisting permanent indwelling IV catheters) or thrombolytic agent
No concurrent grapefruit juice
No concurrent cytochrome P450 enzyme-inducing antiepileptic drugs (e.g., phenytoin, carbamazepine, or phenobarbital)
No concurrent combination antiretroviral therapy for HIV-positive patients
No other concurrent investigational or commercial agents or therapies directed at the malignancy
No other concurrent investigational agents
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There is 1 Location for this study
Philadelphia Pennsylvania, 19104, United States
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