One vs Three Years of Adjuvant Imatinib for Operable Gastrointestinal Stromal Tumor

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.To investigate the role of imatinib administration duration as adjuvant treatment of patients who have a high estimated risk for GIST recurrence after surgery.Patients with KIT-positive GIST removed at surgery were entered between February 2004 and September...