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CEOP-B alternated with VIMB in intermediate-grade and high-grade non-Hodgkin's lymphoma: a pilot study
Purpose:
To improve response and toxicity in treatment of non-Hodgkin's lymphomas (NHLs), a prospective single-arm trial was initiated using cyclophosphamide, epirubicin, vincristine, prednisone, and bleomycin (CEOP-B) alternated with etoposide (VP-16), ifosfamide, mitoxantrone, and bleomycin (VIMB).
Patients And Methods:
From December 1988 to April 1992, 60 consecutive previously untreated patients with intermediate- or high-grade NHL were admitted to the study and were assessable. Patient characteristics were as follows: 32% greater than 60 years of age, 63% with stage III to IV disease, 42% with a performance status (PS) of 2 or 3, 23% with high lactate dehydrogenase (LDH) levels, and 22% with two or more extranodal disease sites. Stage I and II patients received three cycles of CEOP-B/VIMB plus radiotherapy (RT) to involved fields; stage III and IV patients received four cycles of chemotherapy alone.
Results:
The complete remission (CR) rate was 77%; actuarial 48-month overall survival (OS) and time to treatment failure (TTF) rates were 70% and 59%, respectively. With univariate analysis, CR, OS, and TTF rates were significantly influenced by serum LDH levels (P = .0485, P = .0017, and P = .0064, respectively) and performance status (P = .0005, P < .00005, and P = .0001, respectively). The actuarial 48-month disease-free survival (DFS) rate was 83% and was negatively influenced only by high-grade histology (P < .004). Toxicity was mild. A lower epirubicin dose-intensity (DI) was found in patients older than 60 years of age, with a borderline P value. Patients were divided into four groups according to the International Prognostic Factor Project; low-risk and low-intermediate-risk groups had similar OS and TTF rates; when considered together, they showed superior, but not statistically significant, OS and TTF rates as compared with the high-intermediate-risk group, which in turn had significantly superior OS and TTF rates when compared with the high-risk group.
Conclusion:
CEOP-B/VIMB compares favorably with third-generation regimens and results in lower toxicity.