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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Archives of gynecology and obstetrics 239 (1986), S. 149-159 
    ISSN: 1432-0711
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Journal of cancer research and clinical oncology 116 (1990), S. 431-433 
    ISSN: 1432-1335
    Keywords: Pentoxifylline ; Caffeine ; DNA-repair inhibition ; Ovarian cancer ; Cervical cancer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The ability of two supposed DNA-repair inhibitors to modulate cisplatin-induced cytotoxicity in a human ovarian cancer cell line (CAOV-3) and a human cervical cancer cell line (Me-180) was investigated using a short-term chemosensitivity assay based on bioluminescence of cellular adenosine triphosphate (ATP). Cisplatin concentrations bracketing the reported peak plasma concentration (2.5 μg/ml) were used and the 50% inhibitory concentrations were determined by linear regression of log-transformed survival data. At 2.5 mM, the methylxanthine caffeine enhanced cisplatin sensitivity 2.9-fold in CAOV−3 cells and 2.7-fold in Me−180 cells. At 2.5 mM, pentoxifylline, a closely related methylxanthine, increased cisplatin sensitivity 2.9-fold in CAOV−3 cells and 3.4-fold in Me−180 cells. Chemical modification of cisplatin-induced cytotoxicity by assumed inhibition of DNA-repair mechanisms may hold promise for clinical application in the treatment of gynecological cancer.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-0711
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Schlußfolgerung Der ATP-CSA ist eine praktikable in vitro-Testmethode zur Sensivitätstestung von Tumoren. Wie von anderen in vitro-Ansätzen bekannt, ist 4CH eine der effektivsten Substanzen beim Ovarialkarzinom. Cisplatin ist bei unbehandelten Ovarialkarzinomen wirksamer als bei vorbehandelten. Kombinationen sind wesentlich effektiver als Einzelsubstanzen. Carboplatin ist bei 20% der Ovarialkarzinomrezidive in vitro wirksam. Die Hinzunahme eine Antrazyklins beim Ovarialkarzinomrezidiv erscheint sinnvoll. Dieser Ansatz ist auch für die Testung von neuen Substanzen und Kombinationen geeignet.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Archives of gynecology and obstetrics 249 (1991), S. 87-93 
    ISSN: 1432-0711
    Keywords: Long-term survival ; Stage III and IV ovarian cancer ; Radical surgery
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A total of 104 unselected, previously untreated patients with invasive stage III or IV ovarian cancer were operated on between 1977 and 1984. Nine patients were lost in follow-up, three died from non-malignant disease. Thirteen of the 92 eligible patients (15%) were observed to survive 5 years or longer. In the 13 long-term survivors, 4 had stage IV disease, 7 positive peritoneal cytology, 3 bowel resection, and 12 residual disease 〈2 cm after primary surgery. Retroperitoneal lymph nodes were involved in 6/9 cases. The majority of 5-year survivors (69%) received cis-platin-containing combination chemotherapy. 5/7 long-term survivors had positive second-look. At 5 years, life-quality in 9/13 patients who were free of disease, was high. It can be concluded that only patients with optimally resected stage III or IV ovarian cancer have a realistic chance of long-term survival. It is expected that increasing radicality in surgery for ovarian cancer together with platinum-based chemotherapy regimens may improve long-term survival in the future. In addition, further studies of new chemotherapeutic approaches are needed.
    Type of Medium: Electronic Resource
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