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One vs Three Years ...
One vs Three Years of Adjuvant Imatinib for Operable Gastrointestinal Stromal Tumor : A Randomized Trial
- Article/chapterEnglish2012
Publisher, publication year, extent ...
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American Medical Association (AMA),2012
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LIBRIS-ID:oai:lup.lub.lu.se:5a162a21-b822-4381-8bc3-061e2f29bf8e
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https://lup.lub.lu.se/record/2495030URI
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https://doi.org/10.1001/jama.2012.347DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:art swepub-publicationtype
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Subject category:ref swepub-contenttype
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Context Adjuvant imatinib administered for 12 months after surgery has improved recurrence-free survival (RFS) of patients with operable gastrointestinal stromal tumor (GIST) compared with placebo. Objective To investigate the role of imatinib administration duration as adjuvant treatment of patients who have a high estimated risk for GIST recurrence after surgery. Design, Setting, and Patients Patients with KIT-positive GIST removed at surgery were entered between February 2004 and September 2008 to this randomized, open-label phase 3 study conducted in 24 hospitals in Finland, Germany, Norway, and Sweden. The risk of GIST recurrence was estimated using the modified National Institutes of Health Consensus Criteria. Intervention Imatinib, 400 mg per day, orally for either 12 months or 36 months, started within 12 weeks of surgery. Main Outcome Measures The primary end point was RFS; the secondary end points included overall survival and treatment safety. Results Two hundred patients were allocated to each group. The median follow-up time after randomization was 54 months in December 2010. Diagnosis of GIST was confirmed in 382 of 397 patients (96%) in the intention-to-treat population at a central pathology review. KIT or PDGFRA mutation was detected in 333 of 366 tumors (91%) available for testing. Patients assigned for 36 months of imatinib had longer RFS compared with those assigned for 12 months (hazard ratio [HR], 0.46; 95% CI, 0.32-0.65; P = .001; 5-year RFS, 65.6% vs 47.9%, respectively) and longer overall survival (HR, 0.45; 95% CI, 0.22-0.89; P=. 02; 5-year survival, 92.0% vs 81.7%). Imatinib was generally well tolerated, but 12.6% and 25.8% of patients assigned to the 12-and 36-month groups, respectively, discontinued imatinib for a reason other than GIST recurrence. Conclusion Compared with 12 months of adjuvant imatinib, 36 months of imatinib improved RFS and overall survival of GIST patients with a high risk of GIST recurrence.
Subject headings and genre
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Eriksson, MikaelLund University,Lunds universitet,Bröstcancer-genetik,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Breastcancer-genetics,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)onk-mer
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Hall, Kirsten Sundby
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Hartmann, Joerg T.
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Pink, Daniel
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Schuette, Jochen
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Ramadori, Giuliano
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Hohenberger, Peter
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Duyster, Justus
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Al-Batran, Salah-Eddin
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Schlemmer, Marcus
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Bauer, Sebastian
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Wardelmann, Eva
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Sarlomo-Rikala, Maarit
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Nilsson, Bengt
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Sihto, Harri
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Monge, Odd R.
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Bono, Petri
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Kallio, Raija
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Vehtari, Aki
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Leinonen, Mika
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Alvegård, ThorLund University,Lunds universitet,Medicinsk onkologi,Sektion I,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Medical oncology,Section I,Department of Clinical Sciences, Lund,Faculty of Medicine(Swepub:lu)canc-tal
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Reichardt, Peter
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Bröstcancer-genetikSektion I
(creator_code:org_t)
Related titles
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In:JAMA: The Journal of the American Medical Association: American Medical Association (AMA)307:12, s. 1265-12721538-3598
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In:JAMA: American Medical Association (AMA)307:12, s. 1265-12720098-7484
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Joensuu, Heikki
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Eriksson, Mikael
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Hall, Kirsten Su ...
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Hartmann, Joerg ...
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Pink, Daniel
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Schuette, Jochen
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Ramadori, Giulia ...
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Hohenberger, Pet ...
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Duyster, Justus
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Al-Batran, Salah ...
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Schlemmer, Marcu ...
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Bauer, Sebastian
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Wardelmann, Eva
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Sarlomo-Rikala, ...
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Nilsson, Bengt
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Sihto, Harri
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Monge, Odd R.
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Bono, Petri
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Kallio, Raija
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Vehtari, Aki
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Leinonen, Mika
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Alvegård, Thor
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Reichardt, Peter
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