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Erschienen in: Journal of Cancer Research and Clinical Oncology 1/2011

01.01.2011 | Original Paper

Antitumoral and antimetastatic effects of metronomic chemotherapy with cyclophosphamide combined with celecoxib on murine mammary adenocarcinomas

verfasst von: Leandro E. Mainetti, Viviana R. Rozados, Ana Rossa, R. Daniel Bonfil, O. Graciela Scharovsky

Erschienen in: Journal of Cancer Research and Clinical Oncology | Ausgabe 1/2011

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Abstract

Purpose

Metronomic chemotherapy (MCT) refers to the chronic and equally spaced administration of low doses of different chemotherapy drugs, without extended interruptions. Previously, we demonstrated the antitumor effect of MCT with cyclophosphamide (Cy) in a mouse mammary adenocarcinoma model. Herein, we investigated the therapeutic efficacy of metronomic Cy combined with celecoxib (Cel) in two murine mammary adenocarcinoma models.

Methods

Mice were s.c. challenged with M-234p or M-406 mammary tumors and from day 5 or 8 on, respectively, treated with: (I) no treatment (controls); (II) Cy in the drinking water (25–30 mg/kg body weight/day); (III) Cel (30 mg/kg p.o.), five times/week; (IV) treated as II + III. Mice challenged i.v. with M-234p or M-406 tumor cells received, on day 3, the same treatments.

Results

We found that MCT with Cy plus Cel inhibited tumor growth decreased lung metastases, and increased the median survival time, in both tumor models, having very low toxicity. MCT with Cy combined with Cel was more effective than each monotherapy.

Conclusions

The therapeutic benefits of combined MCT with cyclophosphamide plus celecoxib on mammary adenocarcinomas together with its very low toxicity profile warrant further study in an attempt to make the translation into the clinic.
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Metadaten
Titel
Antitumoral and antimetastatic effects of metronomic chemotherapy with cyclophosphamide combined with celecoxib on murine mammary adenocarcinomas
verfasst von
Leandro E. Mainetti
Viviana R. Rozados
Ana Rossa
R. Daniel Bonfil
O. Graciela Scharovsky
Publikationsdatum
01.01.2011
Verlag
Springer-Verlag
Erschienen in
Journal of Cancer Research and Clinical Oncology / Ausgabe 1/2011
Print ISSN: 0171-5216
Elektronische ISSN: 1432-1335
DOI
https://doi.org/10.1007/s00432-010-0869-9

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