Efficacy of sorafenib in patients with gastrointestinal stromal tumors in the third‑ or fourth‑line treatment: A retrospective multicenter experience

  • Authors:
    • Umut Kefeli
    • Mustafa Benekli
    • Alper Sevinc
    • Ramazan Yildiz
    • Muhammed   Ali Kaplan
    • Aydin Ciltas
    • Ozan Balakan
    • Abdurrahman Isikdogan
    • Ugur Coskun
    • Faysal  Dane
    • Hakan Harputluoglu
    • Halit Karaca
    • Dogan Yazilitas
    • Ayse Durnali
    • Ali  Osman Kaya
    • Umut Demirci
    • Mahmut Gumus
    • Suleyman Buyukberber
  • View Affiliations

  • Published online on: June 17, 2013     https://doi.org/10.3892/ol.2013.1408
  • Pages: 605-611
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Abstract

Sorafenib is a multi‑targeted tyrosine kinase receptor inhibitor used to treat patients with advanced gastrointestinal stromal tumors (GISTs). The present study evaluated the efficacy and tolerability of sorafenib therapy for patients with GISTs. Between January 2001 and November 2012, 25 patients, from multiple centers, who had received sorafenib as the third‑ or fourth‑line treatment for GISTs were investigated retrospectively. In total, 17 patients were male and eight were female. The median age was 54.0 years (range, 16‑82 years). From the patients, 21 received imatinib for longer than six months and four received it for less than six months. The clinical benefit rate of sorafenib was 40.0%. Treatment‑related adverse events were reported in 72% of patients. These adverse events were generally mild to moderate in intensity. The median progression‑free survival (PFS) and overall survival (OS) times of the patients who received sorafenib were 7.2 and 15.2 months, respectively. The duration of imatinib usage was an independent prognostic factor for PFS and OS. Sorafenib is an effective treatment in patients with GISTs showing a clinical benefit rate of 40.0% and an acceptable tolerability.
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August 2013
Volume 6 Issue 2

Print ISSN: 1792-1074
Online ISSN:1792-1082

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Spandidos Publications style
Kefeli U, Benekli M, Sevinc A, Yildiz R, Kaplan MA, Ciltas A, Balakan O, Isikdogan A, Coskun U, Dane F, Dane F, et al: Efficacy of sorafenib in patients with gastrointestinal stromal tumors in the third‑ or fourth‑line treatment: A retrospective multicenter experience. Oncol Lett 6: 605-611, 2013
APA
Kefeli, U., Benekli, M., Sevinc, A., Yildiz, R., Kaplan, M.A., Ciltas, A. ... Buyukberber, S. (2013). Efficacy of sorafenib in patients with gastrointestinal stromal tumors in the third‑ or fourth‑line treatment: A retrospective multicenter experience. Oncology Letters, 6, 605-611. https://doi.org/10.3892/ol.2013.1408
MLA
Kefeli, U., Benekli, M., Sevinc, A., Yildiz, R., Kaplan, M. A., Ciltas, A., Balakan, O., Isikdogan, A., Coskun, U., Dane, F., Harputluoglu, H., Karaca, H., Yazilitas, D., Durnali, A., Kaya, A. O., Demirci, U., Gumus, M., Buyukberber, S."Efficacy of sorafenib in patients with gastrointestinal stromal tumors in the third‑ or fourth‑line treatment: A retrospective multicenter experience". Oncology Letters 6.2 (2013): 605-611.
Chicago
Kefeli, U., Benekli, M., Sevinc, A., Yildiz, R., Kaplan, M. A., Ciltas, A., Balakan, O., Isikdogan, A., Coskun, U., Dane, F., Harputluoglu, H., Karaca, H., Yazilitas, D., Durnali, A., Kaya, A. O., Demirci, U., Gumus, M., Buyukberber, S."Efficacy of sorafenib in patients with gastrointestinal stromal tumors in the third‑ or fourth‑line treatment: A retrospective multicenter experience". Oncology Letters 6, no. 2 (2013): 605-611. https://doi.org/10.3892/ol.2013.1408