Dose escalation of epirubicin in the CEOP-BLEO regimen: a controlled clinical trial comparing standard doses for the treatment of diffuse large cell lymphoma.
One hundred and forty-seven consecutive patients with previously untreated high-intermedium and high clinical risk diffuse large cell lymphoma (DLCL) were included in a prospective clinical trial to evaluate the efficacy and toxicity of escalating doses of epirubicin compared to standard doses in the CEOP-Bleo (cyclophosphamide, epirubicin, vincristine and prednisone and bleomycin) regimen, 55% of the patients were > 60 years old and most patients had adverse prognostic factors at diagnosis. Complete response rates were similar in both groups (68% in the standard dose compared to 73% in the escalating arm, (p = 0.5). However, time to treatment failure (TFF) and overall survival were better after escalating doses. At 3-years TTF at a medial follow-up of 33.6 months was 76% in the patients whose received escalating dose statistical different to 37% of the patients whose received standard doses (p < .01). Overall survival was 81% in the escalated therapy arm which is statistical different to 40% of the patients treated with standard doses (p < .01). Toxicity was mild in both arms. Neutropenia, mucositis and cardiotoxicity were mild in the escalated dose arm and no severe complications were observed. All patients received the planned doses of all drugs. Patients > 60 years old had the same CR rate, TTF and overall survival as younger patients. In conclusion it seems that the dose of epirubicin can be increased in combination chemotherapy regimens with safety and only mild toxicity. The CR rate was not superior compared to the standard dose but the TTF and overall survival were better. Longer follow-up periods are required in order to determine if the cure rate can also be improved. Older patients can also benefit because they also tolerated the increase in epirubicin without severe side effects and also improved their outcome. The use of more aggressive regimens with increase in dose intensity may be the treatment of choice for more patients poor prognosis, with DLCL provided there is no increase in toxicity. In this respect the use of epirubicin in higher doses/appears to be useful.
Avilés
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A
Department of Hematology, Oncology Hospital, National Medical Center, México D.F. Mexico.
Calva
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A
Díaz-Maqueo
J C
JC
Talavera
A
A
Huerta-Guzmán
J
J
Vásquez
E
E
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use; D001761:Bleomycin / Q000627:therapeutic use; D003520:Cyclophosphamide / Q000627:therapeutic use; D004305:Dose-Response Relationship, Drug; D015251:Epirubicin / Q000008:administration & dosage* / Q000009:adverse effects / Q000627:therapeutic use; D005260:Female; D006801:Humans; D016403:Lymphoma, Large B-Cell, Diffuse / Q000188:drug therapy* / Q000401:mortality; D008297:Male; D008875:Middle Aged; D011241:Prednisone / Q000627:therapeutic use; D015996:Survival Rate; D017211:Treatment Failure; D016896:Treatment Outcome; D014750:Vincristine / Q000627:therapeutic use
D001761:Bleomycin; D015251:Epirubicin; D014750:Vincristine; D003520:Cyclophosphamide; D011241:Prednisone