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The combination of gemcitabine and docetaxel arrests a doxorubicin-resistant dedifferentiated liposarcoma in a patient-derived orthotopic xenograft model

  • Kentaro Miyake
  • , Takashi Higuchi
  • , Hiromichi Oshiro
  • , Zhiying Zhang
  • , Norihiko Sugisawa
  • , Jun Ho Park
  • , Sahar Razmjooei
  • , Yuki Katsuya
  • , Maryam Barangi
  • , Yunfeng Li
  • , Scott D. Nelson
  • , Takashi Murakami
  • , Yuki Homma
  • , Yukihiko Hiroshima
  • , Ryusei Matsuyama
  • , Michael Bouvet
  • , Sant P. Chawla
  • , Shree Ram Singh
  • , Itaru Endo
  • , Robert M. Hoffman

Research output: Contribution to journalArticlepeer-review

Abstract

Liposarcoma (LS) is a chemotherapy-resistant disease. The aim of the present study was to find precise therapy for a recurrent dedifferentiated liposarcoma (DDLS) in a patient-derived orthotopic xenograft (PDOX) model. The DDLS PDOX models were established orthotopically in the right inguinal area of nude mice. The DDLS PDOX models were randomized into five groups: untreated; doxorubicin (DOX); gemcitabine (GEM) combined with docetaxel (DOC); pazopanib (PAZ); and yondelis (YON). On day 15, all mice were sacrificed. Measurement of tumor volume and body weight were done two times a week. The DDLS PDOX was resistant to DOX (P > 0.184). YON suppressed tumor growth significantly compared to control group (P < 0.027). However, only GEM combined with DOC arrested the tumor growth (P < 0.001). These findings suggest that GEM combined with DOC has clinical potential for this and possibly other DDLS patients.

Original languageEnglish
Article number109093
JournalBiomedicine and Pharmacotherapy
Volume117
DOIs
Publication statusPublished - 09-2019
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Pharmacology

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