Comparison of CHOP versus VEPA Therapy in Patients with Lymphoma Type of Adult T-cell Leukemia.

Forty-six Japanese patients with lymphoma type of adult T-cell leukemia (ATL) were treated with one of the 4-drug combinations, CHOP or VEPA regimen. Fourteen patients were treated with CHOP, while 32 were treated with VEPA. The complete response i(CR) rate and the 5-year survival rate of patients treated with CHOP were 35.7% and 7.1%, respectively, while for those treated with VEPA the rates were 43.8% and 18.7%, respectively. Only two patients treated with CHOP survived for more than 1 year, while the others died within 1 year. On the other hand, 13 patients treated with VEPA survived for more than 1 year. The 32 VEF'A-treated patients were divided into two groups according to the duration of survival: (A) 13 surviving for more than 1 year, and (B) 19 surviving for less than 1 year. They were compared for pretreatment characteristics. The differences between the two groups related to hepatomegaly, the presence of B symptoms, lactic dehydrogenase (LDH) and calcium levels. The results indicate that these factors are important in predicting the response and survival of patients with lymphoma type of ATL.