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The proto-oncogene KRAS is mutated in a wide array of human cancers, most of which are aggressive and respond poorly to standard therapies. Although the identification of specific oncogenes has led to the development of clinically effective, molecularly targeted therapies in some cases, KRAS has remained refractory to this approach. A complementary strategy(More)
An alternative to therapeutic targeting of oncogenes is to perform "synthetic lethality" screens for genes that are essential only in the context of specific cancer-causing mutations. We used high-throughput RNA interference (RNAi) to identify synthetic lethal interactions in cancer cells harboring mutant KRAS, the most commonly mutated human oncogene. We(More)
PURPOSE Cetuximab and panitumumab are monoclonal antibodies that target the epidermal growth factor receptor (EGFR) and are approved for the treatment of patients with KRAS wild-type meta-static colorectal cancer. There are no data that describe the activity of panitumumab in patients with progressive disease on cetuximab. We performed a single-arm phase II(More)
BACKGROUND Neoadjuvant chemotherapy before chemoradiation therapy (CRT) may improve outcomes for patients with locally advanced pancreatic cancer, but optimal management remains controversial, and prior reports have limited follow-up. METHODS Seventy consecutive patients with unresectable (n = 46) or borderline resectable (n = 24) locally advanced(More)
PURPOSE To evaluate the safety, efficacy and biomarkers of short-course proton beam radiation and capecitabine, followed by pancreaticoduodenectomy in a phase 1/2 study in pancreatic ductal adenocarcinoma (PDAC) patients. METHODS AND MATERIALS Patients with radiographically resectable, biopsy-proven PDAC were treated with neoadjuvant short-course (2-week)(More)
BACKGROUND Both everolimus and temozolomide are associated with single-agent activity in patients with pancreatic neuroendocrine tumor (NET). A phase 1/2 study was performed to evaluate the safety and efficacy of temozolomide in combination with everolimus in patients who have advanced pancreatic NET. METHODS Patients were treated with temozolomide at a(More)
PURPOSE Pancreatic neuroendocrine tumors (pNET) are rare neoplasms associated with poor outcomes without resection, and involved surgical margins are associated with a worse prognosis. The role of adjuvant radiotherapy (RT) in these patients has not been characterized. METHODS AND MATERIALS We retrospectively evaluated 46 consecutive patients with(More)
BACKGROUND Ganetespib (STA-9090) is an Hsp90 inhibitor that downregulates VEGFR, c-MET, HER2, IGF-IR, EGFR, and other Hsp90 client proteins involved in hepatocarcinogenesis, thereby making it an attractive therapy for HCC. This Phase I study was performed to establish the safety, tolerability, recommended Phase 2 dose (RP2D), and preliminary clinical(More)
BACKGROUND Early identification of mutations may guide patients with metastatic colorectal cancer toward targeted therapies that may be life prolonging. The authors assessed tumor genotype correlations with clinical characteristics to determine whether mutational profiling can account for clinical similarities, differences, and outcomes. METHODS Under(More)
The recent sequencing of the human genome, coupled with advances in biotechnology, is enabling the comprehensive molecular "profiling" of human tissues. In particular, DNA microarrays are powerful tools for obtaining global views of human tumor gene expression. Complex information from tumor "expression profiling" studies can, in turn, be used to create(More)