Efficacy and safety of sorafenib in a subset of patients with advanced soft tissue sarcoma from a Phase II randomized discontinuation trial

Investigational New Drugs - Tập 29 - Trang 481-488 - 2009
Simon Pacey1, Mark J. Ratain2, Keith T. Flaherty3, Stanley B. Kaye1, Lisa Cupit4, Eric K. Rowinsky5, Chenghua Xia4, Peter J. O’Dwyer6, I. R. Judson1
1The Royal Marsden Hospital, Sutton, UK
2University of Chicago Hospitals, Chicago, USA
3Abramson Cancer Center of the University of Pennsylvania, Philadelphia, USA
4Bayer Pharmaceuticals Corporation, Wayne, USA
5ImClone Systems, Branchburg, USA
6Developmental Therapeutics, Abramson Cancer Center, University of Pennsylvania, Philadelphia, USA

Tóm tắt

Aim Phase II multi-disease randomized discontinuation trial to assess the safety and efficacy of sorafenib including patients with advanced soft tissue sarcoma (STS). Methods Sorafenib (400 mg twice daily) was initially administered for 12 weeks. Patients with: ≥25% tumour shrinkage continued sorafenib; ≥25% tumour growth discontinued; other patients were randomized and received sorafenib or placebo. Results Twenty-six patients (median age 55 years) were enrolled. Common drug-related adverse events, including fatigue, hand–foot skin reaction, rash or gastrointestinal disturbances, were manageable, reversible and generally low grade. Fatigue, skin toxicity, nausea, diarrhoea and hypertension occurred at grade ≥3 in 19% of patients. After 12 weeks eight (31%) patients had not progressed. Three patients who experienced tumour shrinkage and continued on sorafenib, and five (19%) were randomized either to continue sorafenib or to receive placebo. Of the three patients randomized to sorafenib, one achieved a partial response and two had SD. Overall one patient achieved a partial response and three further patients achieved minor responses. Conclusions There was evidence of disease activity in STS as defined by tumor regressions including one objective partial response. Further investigation in STS is warranted.

Tài liệu tham khảo

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