The optimum treatment conditions of interferon (IFN) a therapy in chronic myeloid leukemia (CML) are still controversial. To evaluate the role of hydroxyurea (HU) for the outcome of IFN therapy, we conducted a randomized trial to compare the combination of IFN and HU vs HU monotherapy (CML-study II). From February 1991 to December 1994, 376 patients with newly diagnosed CML in chronic phase were randomized. In all, 340 patients were Ph/BCR-ABL positive and evaluable. Randomization was unbalanced 1:2 in favor of the combination therapy, since study conditions were identical to the previous CMLstudy I and it had been planned in advance to add the HU patients of study I (n ¼ 194) to the HU control group. Therefore, a total of 534 patients were evaluable (226 patients with IFN/HU and 308 patients with HU). Analyses were according to intention-to-treat. Median observation time of nontransplanted living patients was 7.6 years (7.9 years for IFN/HU and 7.3 years for HU). The risk profile (new CML score) was available for 532 patients: 200 patients (38%) were low, 239 patients (45%) intermediate, and 93 patients (17%) high risk. Complete hematologic response rates were higher in IFN/HU-treated patients (59 vs 32%). Of 169 evaluable IFN/HU-treated patients (75%), 104 patients (62%) achieved a cytogenetic response that was complete in 12% (n ¼ 21), major in 14% (n ¼ 24), and at least minimal in 35% (n ¼ 59). Of the 534 patients, 105 (20%) underwent allogeneic stem cell transplantation in first chronic phase. In the low-risk group, 65 of 200 patients were transplanted (33%), 30 (13%) in the intermediate-risk group, and nine (10%) in the high-risk group. Duration of chronic phase was 55 months for IFN/HU and 41 months for HU (Po0.0001). Median survival was 64 months for IFN/HU and 53 months for HU-treated patients (P ¼ 0.0063). We conclude that IFN in combination with HU achieves a significant long-term survival advantage over HU monotherapy. In view of the data of CML-study I, these results suggest that IFN/HU is also superior to IFN alone. HU should be combined with IFN in IFN-based therapies and for comparisons with new therapies.

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Background: Vinorelbine and docetaxel are active in anthracycline-pretreated, metastatic breast cancer. We compared their efficacy. Patients and Methods: Patients were randomized to receive weekly vinorelbine (VIN) or weekly docetaxel (DOC), 6 weekly doses per 8-week cycle, with optional crossover (X-DOC vs. X-VIN. The primary end point was time to progression (TTP) on initial treatment. Remission induction, survival, and quality of life were secondary end points. Results: Among 122 poor risk patients, a non-significant trend for better TTP was seen for DOC, both on initial and on crossover treatment. Responses were seen on either treatment, but progression was more common with VIN than with DOC, while more patients had a response with X-DOC than with X-VIN. Survival was identical in those receiving only the initial VIN vs. DOC and in the subgroups receiving crossover treatments. Grade 3–4 toxicity, especially hematological toxicity resulting in treatment delay, was more common with VIN. Non-graded toxicity contributed to abandoning DOC. Quality of life scores reflected worse results in patients crossing treatment arms, in either direction. Conclusions: DOC showed marginally better activity but did not improve TTP or other endpoints over VIN in this poor risk population.

Despite a trend of improved progression-free survival, tandem HDT cannot be recommended for patients with chemotherapy-sensitive metastatic breast cancer because of a trend for shorter overall survival and higher toxicity compared with single HDT.