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  • filgrastim  (1)
  • raltitrexed  (1)
  • 1
    ISSN: 1569-8041
    Keywords: head and neck cancer ; phase II trial ; raltitrexed
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background:Raltitrexed (`Tomudex') is a folate based inhibitorof thymidylate synthase which has been registered in Europe and Australia forthe treatment of advanced colorectal cancer. In a European phase I trial ofraltitrexed anti-tumour activity was seen in two patients with head and neckcancer, prompting the current study. Patients and methods:From November 1996 to December 1998, 24patients with metastatic or recurrent squamous-cell carcinoma of the head andneck from 7 Australian centres received raltitrexed, 3 mg/m2 givenintravenously over 15 minutes every 3 weeks, for a maximum of 6 cycles.Patients were required to be chemotherapy naïve and have measurabledisease, age 〉18 years, WHO performance status initially ≤2, nosignificant intercurrent illness or organ dysfunction and a life expectancy〉12 weeks. Results:Twenty-two men and two women, median age 65 years, medianperformance status 1 were enrolled. Fifteen patients (63%) had receivedboth prior surgery and radiotherapy. In 15 patients (63%) there wasrecurrent locoregional disease only. Twelve patients (50%) received onecycle of treatment with only four patients (17%) receiving four or morecycles of treatment. No patient achieved a complete or partial response,although 5 patients experienced stable disease which lasted a median of 188days (range 61–436). The median survival for the whole group was 101days (range 20–436). Raltitrexed was generally well tolerated withminimal anti-proliferative toxicity. Conclusions:Single-agent raltitrexed does not demonstratesignificant anti-tumour response rates in patients with predominantly locallyrecurrent head and neck cancer.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1569-8041
    Keywords: cyclophosphamide ; dose-escalation ; epirubicin ; filgrastim ; G-CSF ; non-Hodgkin's lymphoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Background: To define a maximum tolerated dose (MTD) for the combination of epirubicin and cyclophosphamide with filgrastim (r-met-HuG-CSF) in patients with advanced solid tumors and non-Hodgkin's lymphoma (NHL). Patients and methods: Thirty-five patients with advanced solid tumors were enrolled in stages I and II. Twenty-one patients were treated in stage I in sequential cohorts of at least three patients at increasing dosage levels of cyclophosphamide and epirubicin, for up to six cycles every 21 days. At the completion of stage I, a MTD for epirubicin was established. Fourteen patients were treated in stage II, in cohorts of three or more. The epirubicin dose remained constant at the MTD dosage from stage I. Cyclophosphamide was further dose-escalated to establish its MTD. Twenty-one patients with previously untreated non-Hodgkin's lymphoma were treated in stage III with the MTD established in the prior stages. Results: The MTD in stage I was epirubicin 150 mg/m2 and cyclophosphamide 1500 mg/m2 with cumulative neutropenia as the dose-limiting toxicity (DLT). Cumulative thrombocytopenia prevented further dose-escalation of cyclophosphamide in stage II. The stage III regimen consisted of six, 21-day cycles of epirubicin 150 mg/m2, cyclophosphamide 1500 mg/m2, vincristine 2 mg, and prednisolone 100 mg for five days with filgrastim support. Nineteen of twenty-one patients (90%) completed six cycles of treatment, eight (38%) without dose reduction. Common toxicity criteria (CTC) grade 4 neutropenia (neutrophil nadir 〈0.5 × 109/l) was documented in 85 of 118 cycles (72%). Neutropenic fever was documented in 17 of 21 patients (81%) on at least one occasion. Severe thrombocytopenia (〈25 × 109/l) was seen in fourteen of 118 cycles (12%) and increased with cycle number. There was no significant non-hematological toxicity. Conclusion: Significant dose-escalation of epirubicin and cyclophosphamide was possible with filgrastim support. The MTD achieved was approximately double that of standard-dose therapy. This study forms the basis of an ongoing randomized study evaluating dose-intensification in intermediate grade NHL.
    Type of Medium: Electronic Resource
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