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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Science Ltd
    Clinical and experimental dermatology 28 (2003), S. 0 
    ISSN: 1365-2230
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of oral pathology & medicine 13 (1984), S. 0 
    ISSN: 1600-0714
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: The oral carriage of yeasts and coliforms in a healthy adult population and a group of patients with malignancies, undergoing cytotoxic therapy was investigated. A quantitative increase in the intra-oral carriage of Candida species and coliforms was observed during cytotoxic therapy. The most frequent yeast and the coliform isolated were Candida albicans and Escherichia coli, respectively. Thus, the oral cavity may constitute a reservoir of potentially pathogenic flora in patients on cytotoxic therapy.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1569-8041
    Keywords: Integroup trials ; international collaboration ; ovarian cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The rather slow evolution of so-called "optimal chemotherapy" for ovarian cancer is the result of suboptimal randomised clinical trials, not having the statistical power to identify truly superior regimens, and of the lack of systematic comparisons of new agents with relevant control arms. There is little doubt that we need international collaboration to move the field forward in a timely and coherent manner. European and transatlantic collaboration represents the beginning of the process and point to the success that can await us if the drive to work together remains strong. A similar organisation as for breast cancer (Breast International Group, BIG) needs to be established for ovarian cancer.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Annals of oncology 10 (1999), S. 255-258 
    ISSN: 1569-8041
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Cancer chemotherapy and pharmacology 3 (1979), S. 81-85 
    ISSN: 1432-0843
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Liposomes are bilayered phospholipid vesicles that have been proposed as vehicles for the selective delivery of cytotoxic drugs into malignant cells. In vitro and in vivo experiments have indicated that the activity of a range of drugs or their active metabolites may be enhanced by encapsulation in liposomes, particularly when used against drug-resistant tumours. Moreover, liposomal entrapment certainly has a marked effect on the tissue distribution and rates of clearance of cytotoxic drugs, and also appears to reduce their toxicity in most cases. However, in both animal and patient studies the major sites of uptake following IV administration consistently appear as the liver and spleen. Preferential tumour uptake has therefore not yet been achieved, although a degree of localization of liposomal labels can be demonstrated in the vicinity of experimental animal tumours in certain circumstances. Liposomes may have a future role in cancer chemotherapy, but much laboratory work remains to be done before clinical application can be considered.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Cancer chemotherapy and pharmacology 19 (1987), S. 1-5 
    ISSN: 1432-0843
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Experimental data, particularly derived from tumour spheroids, indicate that drug penetration barriers may be an important determinant of cytotoxic drug efficacay, even in spheroids of only a few hundred microns in diameter. Clinically, tumour masses of this size would equate with those micrometastases which are the target of adjuvant chemotherapy in a wide range of tumour types. It is apparent, therefore, that even at this relatively early stage of the metastatic process, which ultimately proves to be fatal in many patients, measures aimed at improving drug penetration may prove to be crucial in improving the therapeutic efficacy of cytotoxic agents.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Cancer chemotherapy and pharmacology 18 (1986), S. 239-242 
    ISSN: 1432-0843
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The concurrent administration of adriamycin (intravenous) and verpamil (oral) is of considerable interest because of experimental data suggesting that resistance to adriamycin may be overcome by this means. The potential for a pharmacokinetic interaction between the two drugs has therefore been investigated in five patients with small cell lung cancer treated with combination chemotherapy comprising adriamycin, VP16, vincristine and cyclophosphamide. The data indicate that a significant interaction takes place. Adriamycin peak levels, terminal halflife and the volume of distribution at steady state are higher, whereas plasma drug clearance and the volume of the central compartment are lower with co-administration of verapamil. There was no evidence of enhanced drug toxicity in this study; however, the data should be considered in the interpretation of clinical trials in which adriamycin and verapamil are used together, both in terms of toxicity and tumour response.
    Type of Medium: Electronic Resource
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  • 8
    ISSN: 1432-0843
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We compared cisplatin (cis-DDP) and two of its analogues, carboplatin (JM8, CBDCA) and iproplatin (JM9, CHIP) for their ability to retard the growth of multicellular tumour spheroids. The spheroids were derived from two human tumours, a neuroblastoma and a non-small-cell lung cancer. To produce a given level of regrowth delay in lung cancer spheroids, carboplatin and iproplatin were required at concentrations approximately 10 times that of cis-DDP. In the neuroblastoma spheroid experiments, iproplatin and cis-DDP produced the same level of regrowth delay when iproplatin was present at a concentration 〉10 times that of cis-DDP. Carboplatin also required much higher concentrations than cis-DDP to produce equivalent regrowth delay in neuroblastoma. The dose-response curve produced by carboplatin on neuroblastoma spheroids displayed a pronounced shoulder in the low-dose region; this phenonemon was not seen with cis-DDP. These findings may have implications for the clinical use of these drugs and in particular would support a role for carboplatin in the treatment of lung cancer, since total free-drug exposure of patients to carboplatin may be up to 16-fold greater than with cis-DDP. However, one must be cautious about generalising on the basis of results from only two cell lines as well as applying in vitro data to clinical situations.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1432-0843
    Keywords: Key words Neurotoxicity ; Nimodipine ; Ovarian cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Our previous randomised trial in patients with advanced ovarian cancer indicated a significant response and survival advantage for those receiving high-dose (100 mg/m2) as compared with low-dose (50 mg/m2) cisplatin in combination with cyclophosphamide (750 mg/m2). However, this was accompanied by more toxicity; peripheral neuropathy was troublesome, with 32% of patients experiencing ≥ WHO grade 2 at the cisplatin dose of 100 mg/m2. Nimodipine is a calcium-channel antagonist that has provided protection from cisplatin-induced neurotoxicity in a rat model system. We performed a pilot study in 50 patients that demonstrated the feasibility of co-administration of nimodipine in a chronic oral dosing schedule with cisplatin-based chemotherapy in an open-label non-randomised trial. This led us to initiate a double-blind, placebo-controlled, randomised trial in patients with ovarian cancer, which was prematurely discontinued because of problems with nausea and vomiting, leading to poor patient compliance, that were not predicted by the pilot study. These studies did not demonstrate a neuroprotective effect for nimodipine. The primary efficacy variable, i.e, the neurotoxicity score at the end of treatment, gave a significantly lower mean for placebo patients than for nimodipine patients. This report details our experience and discusses the reasons for premature termination of the randomised trial.
    Type of Medium: Electronic Resource
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  • 10
    ISSN: 1432-0843
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The cytotoxic drug mitozolomide has been found to cause unpredictably severe thrombocytopenia during phase I and II clinical trials. In an attempt to relate dose and pharmacokinetic parameters to toxicity, we measured plasma concentrations of mitozolomide in 14 patients with a range of malignancies. There were significant correlations (Spearman rank correlation test) between drug clearance and AUC and white blood cell nadir. The pharmacokinetic and toxicity data were not normally distributed; therefore, it was not possible to construct predictive nomograms for toxicity based on linear regression analysis.
    Type of Medium: Electronic Resource
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