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  • 1
    ISSN: 1432-0843
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Tumor-tissue platinum levels and major pharmacokinetic parameters were determined in 11 patients with head and neck squamous cancer (HNSC) who were given cisplatin (50 mg/m2 daily x 2 days) and 5-fluorouracil (5-FU; 1000 mg/m2, continuous infusion x 5 days) either i.a. or i.v. The plasma peak platinum concentrations (c max) and the areas under the curve for total platinum concentration versus time (AUC) during i.a. infusions were lower than the i.v.c max (mean, 1.92±0.28 and 4.08±2.80 mg/l, for i.a. and i.v. infusions, respectively) and AUC values (mean, 22.55±4.96 and 40.66±10.71 mg h−1 l−1 for i.a. and i.v. treatment, respectively), suggesting a first-passage extraction of the drug by the tumor mass during i.a. infusion. However, no statistically significant difference was found in platinum tumor concentrations after i.a. administration versus i.v. infusion. The lack of a difference in tumor platinum concentrations between the i.a. and the i.v. administration routes might be explained either by a relatively high blood supply to the tumor area, enabling efflux of the surplus free platinum from the tissue, or by the delay between drug infusion and biopsy. After three cycles of i.a. treatment good tumor remission was obtained with minimal local toxicity. Larger clinical studies testing the advantages of the i.a. administration route over i.v. infusion appear to be necessary.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1573-7217
    Keywords: chemotherapy ; CMF-induced emesis ; ondansetron (GR 38032F) ; serotonin antagonist
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The efficacy of the serotonin antagonist ondansetron (GR 38032F) was evaluated in the prevention of nausea and vomiting induced by CMF chemotherapy in 29 breast cancer patients. At their first treatment course of CMF, all given IV on day 1 q 21 days, patients were given oral antiemetic treatment as follows: ondansetron 8 mg, 2 h prior to CMF, repeated after 5 and 10 h the day of chemotherapy and then 8 mg tds for a minimum of 3 days to a maximum of 5 days following chemotherapy. At first course of CMF, complete protection from emesis and nausea was observed in 86.2% and 62% of patients, respectively. At subsequent CMF courses with ondansetron, complete control of emesis was observed in 80% of patients. Side effects were mild and no dystonic reactions were observed. Ondansetron represents an effective, safe, and easily administered outpatient regimen. The addition of a corticosteroid to ondansetron could further improve control of CMF-induced emesis.
    Type of Medium: Electronic Resource
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