Multiple Myeloma Clinical Trial
Zoledronate With or Without Thalidomide in Treating Patients With Early Stage Multiple Myeloma
Summary
RATIONALE: Zoledronate may prevent bone loss and stop the growth of cancer cells in bone. Thalidomide may stop the growth of cancer cells by blocking blood flow to the cancer. It is not yet know whether giving zoledronate together with thalidomide is more effective than zoledronate alone in treating multiple myeloma.
PURPOSE: This randomized phase III trial is studying zoledronate and thalidomide see how well they work compared with zoledronate alone in treating patients with early stage multiple myeloma.
Full Description
OBJECTIVES:
Primary
Compare time to progression in patients with early stage multiple myeloma treated with zoledronate with or without thalidomide.
Secondary
Compare the response rate, 1-year progression-free survival rate, duration of response, and time to next therapy in patients treated with these regimens.
Assess differences in toxicity of these regimens in these patients.
OUTLINE: This is a multicenter, randomized study. Patients are stratified according to the presence of lytic lesions on metastatic bone survey (yes vs no), beta-2 microglobulin level (high vs normal), and bone marrow labeling index (high [> 1.0%] vs low [≤ 1.0%]). Patients are randomized to 1 of 2 treatment arms.
Arm I: Patients receive oral thalidomide on days 1-28. Treatment with thalidomide repeats every 28 days in the absence of disease progression or unacceptable toxicity. Patients also receive zoledronate IV over 15 minutes on day 1. Treatment with zoledronate repeats every 84 days for 1 year and once a year thereafter in the absence of disease progression or unacceptable toxicity.
Arm II: Patients receive zoledronate IV over 15 minutes on day 1. Treatment repeats every 84 days for 1 year and once a year thereafter in the absence of disease progression or unacceptable toxicity.
Blood samples are collected for research studies at baseline and after courses 3, 6, 9, and 12. Bone marrow aspirates are performed at baseline and after courses 6 and 12. Samples are evaluated for bone marrow angiogenesis; vascular endothelial growth factor (VEGF), VEGF receptor 1 (VEGFR-1), and VEGFR-2 expression; bone marrow angiogenesis-VEGF relationship; bone marrow angiogenesis/apoptosis rate relationship; bone marrow angiogenesis/plasma cell (PC) proliferation rate relationship; VEGF expression/apoptosis rate relationship; and VEGFR expression/PC proliferation rate relationship.
After completion of study treatment, patients are followed every 6 months for up to 5 years.
PROJECTED ACCRUAL: A total of 120 patients will be accrued for this study.
Eligibility Criteria
DISEASE CHARACTERISTICS:
Diagnosis of multiple myeloma (MM)
Previously untreated asymptomatic disease
No requirement for immediate chemotherapy for active MM, such as hypercalcemia from myeloma or painful bone lesions
No solitary plasmacytoma
Measurable or evaluable disease as defined by one of the following:
Serum monoclonal protein ≥ 1.0 g by protein electrophoresis
More than 200 mg of monoclonal protein in the urine by 24-hour electrophoresis
Measurable soft tissue plasmacytoma by physical exam with ruler or by MRI or positron emission tomography/CT scan
If the only measurable lesion is the plasmacytoma, it must be ≥ 1.5 cm in 1 dimension
Must have ≥ 10% plasma cells as measured on the bone marrow aspirate, bone marrow biopsy, or labeling index
No amyloidosis
PATIENT CHARACTERISTICS:
Performance status 0-2
Absolute neutrophil count ≥ 1,500/mm³
Platelet count ≥ 100,000/mm³
Hemoglobin ≥ 8.0 g/dL
Creatinine ≤ 2.0 mg/dL (elevation above normal range should not be felt to be related to myeloma)
Not pregnant or nursing
Negative pregnancy test
Fertile patients must use 2 methods of effective contraception 4 weeks before, during, and for 4 weeks after completion of study treatment
No uncontrolled infection
No other active malignancy
No New York Heart Association class III or IV heart disease
No pre-existing neuropathy ≥ grade 2
No concurrent major dental work
PRIOR CONCURRENT THERAPY:
See Disease Characteristics
Prior corticosteroids (for nonmalignant disorders) allowed
Prior therapy with experimental agents not shown to have significant activity in MM, such as clarithromycin, dehydroepiandrosterone, and anakinra allowed
No prior thalidomide or corticosteroids for MM
No more than 3 doses of IV zoledronate or pamidronate within the past 12 months
At least 3 months since prior radiotherapy, including radiotherapy for solitary plasmacytoma
No concurrent oral bisphosphonate therapy for osteoporosis
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There are 4 Locations for this study
Scottsdale Arizona, 85259, United States
Jacksonville Florida, 32224, United States
Rochester Minnesota, 55905, United States
New York New York, 10065, United States
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