Abstract
Complete resection is the most effective therapy for gastrointestinal stromal tumors (GISTs). Complete resection of locally advanced primary GIST by less invasive procedure is usually difficult at initial diagnosis. Imatinib has been successful in treating locally advanced and metastatic GIST and this report shares the experiences in preoperative use of imatinib for patients with locally advanced primary GISTs. The procedure of treatment and completeness of resection were retrospectively accessed for locally advanced primary GIST. Disease-free survival (DFS) and overall survival (OS) after resection were analyzed. Thirteen patients were treated with imatinib preoperatively. All patients received surgical resection after a median imatinib treatment of 7 months when most tumors shrunk. All patients achieved R0 resection without tumor rupture. Two patients received an en-bloc multivisceral resection for the invasion of surrounding organs and 3 patients underwent Mile’s operation for a low rectal tumor. Eleven patients were disease-free. Median DFS or OS had not been reached, while 1- and 3-year DFS were estimated to be 92.3 and 76.9 %, respectively. 1- and 3-year OS were both estimated to be 100 %. Preoperative use of imatinib is useful in locally advanced primary GIST by downsizing the tumor in most patients and facilitating complete resection through less invasive procedures without tumor rupture.
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References
Fletcher CDM, et al. Diagnosis of gastrointestinal stromal tumors: a consensus approach. Hum Pathol. 2002;33(5):459–65.
Hirota S, et al. Gain-of-function mutations of platelet-derived growth factor receptor alpha gene in gastrointestinal stromal tumors. Gastroenterology. 2003;125(3):660–7.
Hirota S. Gain-of-Function Mutations of c-kit in human gastrointestinal stromal tumors. Science. 1998;279(5350):577–80.
Heinrich MC, et al. PDGFRA activating mutations in gastrointestinal stromal tumors. Science. 2003;299(5607):708–10.
DeMatteo RP, et al. Two hundred gastrointestinal stromal tumors: recurrence patterns and prognostic factors for survival. Ann Surg. 2000;231(1):51–8.
Dematteo RP, et al. Clinical management of gastrointestinal stromal tumors: before and after STI-571. Hum Pathol. 2002;33(5):466–77.
Langer C, et al. Prognostic factors influencing surgical management and outcome of gastrointestinal stromal tumours. Br J Surg. 2003;90(3):332–9.
Hohenberger P, et al. Pattern of recurrence in patients with ruptured primary gastrointestinal stromal tumour. Br J Surg. 2010;97(12):1854–9.
Joensuu H, et al. Effect of the tyrosine kinase inhibitor STI571 in a patient with a metastatic gastrointestinal stromal tumor. N Engl J Med. 2001;344(14):1052–6.
Demetri GD, et al. Efficacy and safety of imatinib mesylate in advanced gastrointestinal stromal tumors. N Engl J Med. 2002;347(7):472–80.
van Oosterom AT, et al. Safety and efficacy of imatinib (STI571) in metastatic gastrointestinal stromal tumours: a phase I study. Lancet. 2001;358(9291):1421–3.
Verweij J, et al. Progression-free survival in gastrointestinal stromal tumours with high-dose imatinib: randomised trial. Lancet. 2004;364(9440):1127–34.
Antonescu CR, et al. Acquired resistance to imatinib in gastrointestinal stromal tumor occurs through secondary gene mutation. Clin Cancer Res. 2005;11(11):4182–90.
Eisenberg BL, et al. Phase II trial of neoadjuvant/adjuvant imatinib mesylate (IM) for advanced primary and metastatic/recurrent operable gastrointestinal stromal tumor (GIST): early results of RTOG 0132/ACRIN 6665. J Surg Oncol. 2009;99(1):42–7.
Fiore M, et al. Preoperative imatinib mesylate for unresectable or locally advanced primary gastrointestinal stromal tumors (GIST). Eur J Surg Oncol. 2009;35(7):739–45.
Andtbacka RH, et al. Surgical resection of gastrointestinal stromal tumors after treatment with imatinib. Ann Surg Oncol. 2007;14(1):14–24.
Raut CP, et al. Surgical management of advanced gastrointestinal stromal tumors after treatment with targeted systemic therapy using kinase inhibitors. J Clin Oncol. 2006;24(15):2325–31.
Blesius A, et al. Neoadjuvant imatinib in patients with locally advanced non metastatic GIST in the prospective BFR14 trial. BMC Cancer. 2011;11:72.
Choi H. Response evaluation of gastrointestinal stromal tumors. Oncologist. 2008;13(Suppl 2):4–7.
Doyon C, et al. Prolonged Therapy with Imatinib Mesylate before Surgery for Advanced Gastrointestinal Stromal Tumor Results of a Phase II Trial. Int J Surg Oncol. 2012;2012:761576.
Peter Hohenberger, C.L., Clemens Martin Wendtner, Werner Hohenberger, Annette Pustowka, Eva Wardelmann, Elisabeth Andre, Thomas Licht, Neoadjuvant treatment of locally advanced GIST: Results of APOLLON, a prospective, open label phase II study in KIT- or PDGFRA-positive tumors. J Clin Oncol 2012. 30 (suppl; abstr 10031).
Roberts PJ, Eisenberg B. Clinical presentation of gastrointestinal stromal tumors and treatment of operable disease. Eur J Cancer. 2002;38(Suppl 5):S37–8.
Dematteo RP, et al. Adjuvant imatinib mesylate after resection of localised, primary gastrointestinal stromal tumour: a randomised, double-blind, placebo-controlled trial. Lancet. 2009;373(9669):1097–104.
Choi H, et al. CT evaluation of the response of gastrointestinal stromal tumors after imatinib mesylate treatment: a quantitative analysis correlated with FDG PET findings. AJR Am J Roentgenol. 2004;183(6):1619–28.
Benjamin RS, et al. We should desist using RECIST, at least in GIST. J Clin Oncol. 2007;25(13):1760–4.
Van den Abbeele AD. The lessons of GIST–PET and PET/CT: a new paradigm for imaging. Oncologist. 2008;13(Suppl 2):8–13.
Joensuu H, et al. One vs three years of adjuvant imatinib for operable gastrointestinal stromal tumor: a randomized trial. JAMA. 2012;307(12):1265–72.
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Yang, W., Yu, J., Gao, Y. et al. Preoperative imatinib facilitates complete resection of locally advanced primary GIST by a less invasive procedure. Med Oncol 31, 133 (2014). https://doi.org/10.1007/s12032-014-0133-2
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DOI: https://doi.org/10.1007/s12032-014-0133-2