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2013 | 85 | 6 | 340-347
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In Vitro Chemo-Sensitivity Assay Guided Chemotherapy is Associated with Prolonged Overall Survival in Cancer Patients

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The overall survival (OS) of patients suffering From various tumour entities was correlated with the results of in vitro-chemosensitivity assay (CSA) of the in vivo applied drugs.Material and methods. Tumour specimen (n=611) were dissected in 514 patients and incubated for primary tumour cell culture. The histocytological regression assay was performed 5 days after adding chemotherapeutic substances to the cell cultures. n=329 patients undergoing chemotherapy were included in the in vitro/in vivo associations. OS was assessed and in vitro response groups compared using survival analysis. Furthermore Cox-regression analysis was performed on OS including CSA, age, TNM classification and treatment course.Results. The growth rate of the primary was 73-96% depending on tumour entity. The in-vitro response rate varied with histology and drugs (e.g. 8-18% for methotrexate and 33-83% for epirubicine). OS was significantly prolonged for patients treated with in vitro effective drugs compared to empiric therapy (log-rank-test, p=0.0435). Cox-regression revealed that application of in vitro effective drugs, residual tumour and postoperative radiotherapy determined the death risk independently.Conclusions. When patients were treated with drugs effective in our CSA, OS was significantly prolonged compared to empiric therapy. CSA guided chemotherapy should be compared to empiric treatment by a prospective randomized trial.
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1 - 06 - 2013
05 - 07 - 2013
  • Department of General, Visceral and Vascular Surgery, University Hospital in Magdeburg, Abteilung Chirurgie Klinik für Allgemein-, Viszeral- und Gefäßchirurgie, Leipziger Straße 44 39120 Magdeburg Niemcy, Germany
  • Department of Visceral, Vascular, Thoracic and Transplantation Surgery, University Hospital in Leipzig, Germany
  • Department of Visceral and Thoracic Surgery, Diakonie Hospital in Halle (Saale), Germany
  • Department of General, Visceral and Vascular Surgery, University Hospital in Magdeburg, Germany
  • Department of General, Visceral and Vascular Surgery, University Hospital in Magdeburg, Germany
  • Department of General, Visceral and Vascular Surgery, University Hospital in Magdeburg, Germany
  • Department of General, Visceral and Vascular Surgery, University Hospital in Magdeburg, Germany
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