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Background: The purpose of this study was to compare the efficacy of the hybrid chemotherapeutic regimen COPP/ABV/IMEP (cyclophosphamide–vincristine–procarbazine–prednisone–doxorubicin–bleomycin–vinblastine–ifosfamide–methotrexate–etoposide) (CAI) with that of the standard regimen COPP/ABVD (COPP/ABV, dacarbacine) (CA) in the treatment of advanced-stage Hodgkin’s disease (HD). Patients and methods: Between January 1988 and January 1993, 588 eligible patients with HD in stages IIIB and IV were randomly assigned to a treatment or control group. The treatment group received four cycles of CAI over a complete cycle duration of 43 days. The control group received four cycles of CA over 57 days. Both groups then received consolidating radiotherapy. Results: Five hundred and eighty-four patients were suitable for arm comparison. Patients in each group were similar in age, sex, histological subtype and clinical risk factors. Complete remission rates, overall survival and freedom from treatment failure at 7 years were similar for the two groups: 77% versus 78%, 73% versus 73% and 54% versus 56% for CAI and CA, respectively. Differences in acute chemotherapy-related toxicity were significant, however. Prognostic factor analysis confirmed the relevance of the International Prognostic Index and revealed that stage IVB, low hemoglobin, low lymphocyte count, high age and male gender were associated with a poor prognosis Conclusion: The rapidly alternating hybrid CAI did not give superior results when compared with the standard regimen CA in advanced-stage HD.

PURPOSE: To investigate whether treatment results in intermediate-stage Hodgkin’s lymphoma can be improved by rapid application of non–cross-resistant drugs, the 10-drug regimen cyclophosphamide, vincristine, procarbazine, and prednisone (COPP), doxorubicin, bleomycin, and vinblastine (ABV), and ifosfamide, methotrexate, etoposide, and prednisone (IMEP), repeated every 6 weeks, was compared with conventional alternating COPP/doxorubicin, bleomycin, vinblastine, and dacarbazine (ABVD) administered every 8 weeks. PATIENTS AND METHODS: From January 1988 to January 1993, 996 patients in stage I or II Hodgkin’s lymphoma with at least one risk factor (massive mediastinal tumor, massive spleen involvement, extranodal disease, elevated ESR, or more than two lymph node areas involved) and all patients in stage IIIA Hodgkin’s lymphoma were randomized to receive two cycles of COPP/ABVD or COPP/ABV/IMEP followed by extended-field radiotherapy. RESULTS: Both regimens produced similar rates for treatment responses (complete remission, 93% v 94%), freedom from treatment failure (80% v 79%), and overall survival (88% for both regimens) at a median follow-up time of 7 years. Most serious toxicities during chemotherapy were similar in both regimens. However, World Health Organization grade 3 and 4 leukocytopenia occurred significantly more frequently in the COPP/ABV/IMEP arm (53% v 44% of patients; P = .010). There were no differences in the number of serious infections and toxic deaths during therapy. The number of second malignancies was also the same in both arms (22 each). CONCLUSION: Alternating COPP/ABVD and rapid alternating COPP/ABV/IMEP in combination with extended-field radiotherapy are equally effective in intermediate-stage Hodgkin’s lymphoma and produce excellent long-term treatment results.

PURPOSE The HD9 trial aims to evaluate whether moderate dose escalation and/or acceleration of standard polychemotherapy is beneficial for advanced-stage Hodgkin's disease (HD). Two variants of a novel bleomycin, etoposide, doxorubicin, cyclophosphamide, vincristine, procarbazine, and prednisone (BEACOPP) scheme (standard and escalated dose) are compared with cyclophosphamide, vincristine, procarbazine, and prednisone (COPP)/doxorubicin, bleomycin, vinblastine, and dacarbazine (ABVD). PATIENTS AND METHODS The randomized, three-arm trial recruited patients in stages IIB and IIIA with risk factors and stages IIIB and IV. BEACOPP in baseline dose contains all drug dosages of COPP/ABVD (except vincristine and procarbazine) rearranged in a shorter, 3-week cycle. Escalated BEACOPP uses higher doses of cyclophosphamide, doxorubicin, and etoposide with granulocyte colony-stimulating factor (G-CSF) support. After eight chemotherapy cycles, initial bulky and residual disease is irradiated. The trial is monitored and analyzed by means of a sequential strategy. RESULTS An interim analysis with 505 assessable patients and a median follow-up of 23 months showed a significant inferiority (according to sequential monitoring strategy) of the COPP/ABVD regimen in progression rate and freedom from treatment failure (FFTF) compared with the pooled results of both BEACOPP variants. The 24-month FFTF rate was 75% for COPP/ABVD and 84% for BEACOPP pooled (P = .034). There was 12% progressive disease with COPP/ABVD and 6% with BEACOPP pooled. Differences in survival were not significant in sequential analysis. The acute toxicity of baseline BEACOPP resembled that of COPP/ABVD; escalated BEACOPP showed increased but manageable hematologic toxicity. CONCLUSION Combined with local irradiation, BEACOPP in one or both variants shows superior disease control compared with COPP/ABVD, with acceptable acute toxicity. Further follow-up is required to assess the effect of dosage and the effect on survival and late toxicities.

4234 Objective: Primary resectability is expected in up to 20% of pancreas cancer patients (pts). While most pts relapse with distant metastasis, approximately 30% of patients show isolated local r...