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Two hundred and fifty-two patients with advanced stages of favorable non-Hodgkin's lymphoma (NHL) subtypes (nodular histiocytic (NH), and diffuse well-differentiated lymphocytic (DLWD)) were analyzed for response and survival to moderate (cyclophosphamide-prednisone (CP)) vs. intensive (BCVP or COPP) chemotherapy regimens. The overall complete response (CR) rate was 57%. The median duration of remission for the entire group was 88 weeks and 65% of complete responders were in remission at one year. Survival rates at one year were 87% for BCVP, 86% for COPP, and 91% for CP. The response rate, response duration, and survival rate differences between the groups were not significant. Severe and life threatening hematologic toxicity rates were significantly higher with BCVP and COPP as compared to CP (P less than 0.001). The highest CR rate was obtained in NM (74%) and CP gave the highest CR rate in DLWD (60%). Survival rates at one year for NM (97%) and NLPD (90%) were comparable whereas the one-year survival rate for DLWD was significantly lower (75%) than that for NLPD (P less than 0.005) or NM (P less than 0.001). We conclude that in favorable NHL subtypes, cyclophosphamide-prednisone combination is an effective regimen with minimal toxicity.
Ezdinli et al. (Tue,) studied this question.