Finding studies
Finding studies
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Lead
Case Comprehensive Cancer Center
With
OBJECTIVES: * Determine the positive and negative predictive values of early positron emission tomography (PET) scanning using fludeoxyglucose F 18 in terms of the probability of patients with newly diagnosed intermediate- or high-grade non-Hodgkin's lymphoma who achieve or do not achieve complete remission, after treatment with 1 course of rituximab and combination chemotherapy comprising cyclophosphamide, doxorubicin, vincristine, and prednisone. * Determine event free and overall survival of patients with an early positive and negative PET scan treated with this regimen. * Determine the predictive value of early PET scan response ratio as a continuous variable in terms of response to therapy (assessed at the end of therapy), disease-free survival, and overall survival, in patients treated with this regimen. * Correlate International Prognostic Index score at presentation with early PET scan results and overall outcome in patients treated with this regimen. * Correlate the degree of neutropenia 7 to 10 days after the first course of treatment with rituximab and combination chemotherapy with PET scan response and pre-treatment blood CD34-positive cell concentration in these patients. OUTLINE: This is a multicenter study. Patients receive fludeoxyglucose F 18 (\^18FDG) IV. Beginning 1 hour later, patients undergo whole-body positron emission tomography (PET) scanning. Patients also undergo conventional radiographic staging of their disease. Patients then receive standard R-CHOP (or an alternative regimen) comprising rituximab IV over 3-6 hours, cyclophosphamide IV over 30 minutes, doxorubicin IV over 5 minutes, and vincristine IV over 5 minutes on day 1 and oral prednisone once daily on days 1-5. Treatment repeats every 14-21 days for up to 4 courses in the absence of unacceptable toxicity. Patients undergo repeat \^18FDG-PET scanning between days 7-10 of course 1, between courses 3 and 4, and then at the completion of R-CHOP. Patients also undergo radiographic restaging of their disease between courses 3 and 4 and at the completion of R-CHOP. After completion of study treatment, patients are followed every 3-4 months for 2 years, every 6 months for 1 year, and then annually for 3 years. PROJECTED ACCRUAL: A total of 30 patients will be accrued for this study within 2 years.
Age
18–any
Sex
ALL
Healthy volunteers
Not accepted