Spruß, Thilo and Bernhardt, Günther and Schönenberger, Helmut and Schiess, Wilfried (1995) Hyaluronidase significantly enhances the efficacy of regional vinblastine chemotherapy of malignant melanoma. Journal of cancer research and clinical oncology 121 (4), pp. 193-202.
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The regional chemotherapy of the human malignant melanomas (SK-MEL-2, -3, -5, -24) implanted in NMRI nu/nu mice with a combination of the hyaluronic-acid-cleaving enzyme hyaluronidase (HYase) and vinblastine is a very effective therapeutic procedure. In three out of four melanoma models (SK-MEL-2, -3, -5) the weekly peritumoral administration of high-dose HYase (100,000 IU/kg) 4 h prior to the injection of 0.3 mg/kg vinblastine in the vicinity of the tumor (seven weekly therapeutic cycles) caused marked antitumor effects, while HYase and vinblastine were inactive when given alone. The pretreatment with HYase, which is well tolerated by the test animals, prevented local inflammation reactions commonly seen after subcutaneous vinblastine administration. Tumor growth and metastatic behavior of the melanomas used were neither increased nor reduced by HYase after peritumoral administration without subsequent vinblastine injection. The curative activity of the regional chemotherapy with HYase/vinblastine could be demonstrated on the SK-Mel-3 melanoma. After an observation time of 18 weeks, tumor cells could no longer be detected in the subcutaneous region of the former lesion. Only macrophages, which had abundantly incorporated melanin, gave evidence of previously growing tumors. In contrast to the controls, no metastases could be observed in the axillary lymph nodes of the test animals.
|Institutions:|| Chemistry and Pharmacy > Institute of Pharmacy > Retired Professors > Prof. Schönenberger|
Chemistry and Pharmacy > Institute of Pharmacy > Pharmaceutical/Medicinal Chemistry II (Prof. Buschauer)
|Subjects:||500 Science > 570 Life sciences|
500 Science > 540 Chemistry & allied sciences
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Owner:||Prof. Armin Buschauer|
|Deposited On:||14 Jan 2009 15:38|
|Last Modified:||19 Aug 2010 13:40|
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