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Effects of vinorelbine and titanocene dichloride on human tumour xenografts in nude mice.

AbstractPURPOSE:
In this study, the new antineoplastic agents titanocene dichloride and vinorelbine are compared to cisplatin and paclitaxel using a human ovarian cancer xenograft model.
METHODS:
Biopsy material from one native human ovarian carcinoma was expanded and transplanted into 48 nude mice. The animals were divided into six treatment groups: cisplatin 3x4 mg/kg, paclitaxel 5x26 mg/kg, vinorelbine 1x20 mg/kg, titanocene dichloride 3x30 mg/kg, titanocene dichloride 3x40 mg/kg and a control group treated with 0.9% saline. Treatment groups were evaluated in terms of average daily increase in tumour volume and average daily body weight increase of the nude mice based on slopes of least square regressions performed on individual animals. The slope factors alpha and beta of the body weight (alpha) and tumour volume changes (beta) within each group were calculated.
RESULTS:
A statistically significant decrease (p<0.05) in body weight of the experimental animals was shown in groups treated with paclitaxel (alpha = -0.6878) and titanocene dichloride 3x40 mg/kg (alpha = -0.7194) compared to the control group which was treated with 0.9% saline (alpha = -0.2643). Significant body weight changes were not observed in the comparison of the remaining treated groups (cisplatin: alpha = -0.4552, vinorelbine: alpha = -0.5606, titanocene dichloride 3x30 mg/kg: alpha = -0.6173 to the control group. A significant reduction (p<0.05) of the increase tumour volume (vinorelbine: beta = 5.260, paclitaxel: beta = 0.478, titanocene dichloride 3x30 mg/kg: beta = 10.283, titanocene dichloride 3x40 mg/kg: beta = 5.768) was shown in treated groups except for cisplatin (beta = 18.722) compared to the tumour bearing control group (beta = 30.136). A statistically significant reduction of the increase in tumour volume occurred under paclitaxel medication compared to the group treated with cisplatin.
CONCLUSION:
We found titanocene dichloride to be effective as vinorelbine and more effective than cisplatin. Vinorelbine seems to be a very effective antineoplastic agent with a significantly higher cytostatic effect than cisplatin. Both titanocene dichloride and vinorelbine provide new therapeutic options in women with ovarian carcinoma not responding to standard chemotherapies.
AuthorsM Friedrich, C Villena-Heinsen, C Farnhammer, W Schmidt
JournalEuropean journal of gynaecological oncology (Eur J Gynaecol Oncol) Vol. 19 Issue 4 Pg. 333-7 ( 1998) ISSN: 0392-2936 [Print] Singapore
PMID9744720 (Publication Type: Comparative Study, Journal Article)
Chemical References
  • Antineoplastic Agents
  • Organometallic Compounds
  • Vinblastine
  • titanocene dichloride
  • Paclitaxel
  • Cisplatin
  • Vinorelbine
Topics
  • Animals
  • Antineoplastic Agents (pharmacology)
  • Body Weight (drug effects)
  • Cisplatin (pharmacology)
  • Female
  • Humans
  • Mice
  • Mice, Nude
  • Neoplasm Transplantation
  • Organometallic Compounds (pharmacology)
  • Ovarian Neoplasms (pathology)
  • Paclitaxel (pharmacology)
  • Transplantation, Heterologous
  • Vinblastine (analogs & derivatives, pharmacology)
  • Vinorelbine

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