BACKGROUND: Early Children's Cancer Group (CCG) trials indicated that the cyclophosphamide, vincristine, methotrexate, and prednisone (COMP) regimen was superior to the LSA2L2 regimen for non-lymphoblastic (NLB) non-Hodgkin lymphoma (NHL). Studies by other groups suggested that addition of anthracyclines to standard therapies could improve outcome. Therefore, in 1983 CCG initiated study CCG-503, a randomized trial of COMP vs. daunomycin-COMP (D-COMP) in children and adolescents with disseminated NLB NHL. PROCEDURES: Between December 1983 and April 1990, 404 eligible patients were entered. Patients without central nervous system (CNS) or marrow involvement were randomized to receive COMP (N = 139) or D-COMP (N = 145). Randomization was stratified by histology and site of disease. Patients with CNS or marrow involvement (stage IV) were non-randomly treated with D-COMP (N = 120). RESULTS: Ten-year event-free survival in COMP and D-COMP patients was similar: 55 +/- 4.3% (Estimate +/- SE) vs. 57 +/- 4.2% (not significant). Stage I-III patients with large-cell (LC) NHL had worse 10-year event-free survival (EFS) (48 +/- 4.9%) than those with small non-cleaved cell (SNCC) NHL disease (61 +/- 3.5%, P < 0.05 in multivariate analysis), but equivalent survival (65 +/- 4.7% vs. 63 +/- 3.5%) due to significantly higher salvage rates in LC patients, especially those failing more than 12 months from diagnosis. Ten-year EFS in stage IV patients was 39 +/- 5.2%. Addition of daunomycin resulted in higher rates of grade 3/4 hematologic toxicity and stomatitis, as well as late cardiac-related deaths. The incidence of second malignant neoplasms was 1.0% at 10 years. CONCLUSIONS: Addition of daunomycin to standard COMP therapy did not improve outcome in pediatric disseminated NLB NHL. Patients with LC disease had a significantly reduced long-term EFS, but were retrieved at a higher rate than patients with SNCC disease, resulting in equivalent long-term survival. Copyright 2001 Wiley-Liss, Inc.
RCT Entities:
BACKGROUND: Early Children's Cancer Group (CCG) trials indicated that the cyclophosphamide, vincristine, methotrexate, and prednisone (COMP) regimen was superior to the LSA2L2 regimen for non-lymphoblastic (NLB) non-Hodgkin lymphoma (NHL). Studies by other groups suggested that addition of anthracyclines to standard therapies could improve outcome. Therefore, in 1983 CCG initiated study CCG-503, a randomized trial of COMP vs. daunomycin-COMP (D-COMP) in children and adolescents with disseminated NLB NHL. PROCEDURES: Between December 1983 and April 1990, 404 eligible patients were entered. Patients without central nervous system (CNS) or marrow involvement were randomized to receive COMP (N = 139) or D-COMP (N = 145). Randomization was stratified by histology and site of disease. Patients with CNS or marrow involvement (stage IV) were non-randomly treated with D-COMP (N = 120). RESULTS: Ten-year event-free survival in COMP and D-COMPpatients was similar: 55 +/- 4.3% (Estimate +/- SE) vs. 57 +/- 4.2% (not significant). Stage I-III patients with large-cell (LC) NHL had worse 10-year event-free survival (EFS) (48 +/- 4.9%) than those with small non-cleaved cell (SNCC) NHL disease (61 +/- 3.5%, P < 0.05 in multivariate analysis), but equivalent survival (65 +/- 4.7% vs. 63 +/- 3.5%) due to significantly higher salvage rates in LC patients, especially those failing more than 12 months from diagnosis. Ten-year EFS in stage IV patients was 39 +/- 5.2%. Addition of daunomycin resulted in higher rates of grade 3/4 hematologic toxicity and stomatitis, as well as late cardiac-related deaths. The incidence of second malignant neoplasms was 1.0% at 10 years. CONCLUSIONS: Addition of daunomycin to standard COMP therapy did not improve outcome in pediatric disseminated NLB NHL. Patients with LC disease had a significantly reduced long-term EFS, but were retrieved at a higher rate than patients with SNCC disease, resulting in equivalent long-term survival. Copyright 2001 Wiley-Liss, Inc.
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