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The 2015 Gastrointestinal Cancers Symposium, held January 15–17 in San Francisco, attracted almost 4,000 attendees, who heard or viewed data from nearly 800 scientific abstracts and lectures. Here are our summaries of some of the many important developments from the meeting. Bevacizumab Plus...
Stock your practice with Cancer.Net resources. Cancer.Net has a comprehensive guide to colorectal cancer at www.cancer.net/colorectal and a shorter, one-page colorectal cancer fact sheet. You will also find specialized resources for survivorship, palliative care, and managing the cost of cancer...
For the treatment of locally advanced rectal cancer, the optimal timing between the end of neoadjuvant chemoradiation therapy and surgical resection appears to be 60 days, according to an analysis of the National Cancer Database presented at the 2015 Gastrointestinal Cancers Symposium.1 An interval ...
“Laparoscopic colectomy has been shown to have equivalent oncologic outcomes to open colectomy for the management of colon cancer, but its adoption nationally has been slow,” Heather Yeo, MD, of Memorial Sloan-Kettering Cancer Center in New York, and colleagues noted in reporting on a study...
Patients with metastatic colorectal cancer showed a continued and persistent improvement in overall survival over time when they received the VEGF inhibitor aflibercept in addition to FOLFIRI (leucovorin, fluorouracil, irinotecan), according to a study reporting on the overall survival benefit and...
While colorectal cancer predominantly occurs in people over 50 years old, rates are increasing among younger patients. It is important for physicians not to ignore symptoms in patients who are young, “simply because they are young,” Jason A. Zell, DO, MPH, told The ASCO Post. Dr. Zell is the...
A growing body of literature indicates that the incidence of colorectal cancer is rising among people under age 50, according to Jason A. Zell, DO, MPH. Dr. Zell is the corresponding author of one of the two recent studies finding significant increases in colorectal cancer among adults aged 20 to...
In an important post hoc analysis (reviewed in this issue of The ASCO Post), Van Cutsem and colleagues have further refined our knowledge of who are the “right” patients with metastatic colorectal cancer to receive treatment with cetuximab (Erbitux).1 This refinement was accomplished through the...
The phase III CRYSTAL trial showed that the addition of cetuximab (Erbitux) to first-line FOLFIRI (fluorouracil, leucovorin, and irinotecan) significantly improved overall survival, progression-free survival, and objective response rates in patients with KRAS codon 12/13 (exon 2) wild-type...
Aspirin has long proved to be a multipotent drug, with efficacy as a pain reliever, anti-inflammatory agent, antiplatelet agent, and cardioprotective agent. In the cancer world, a large literature has accumulated demonstrating its ability to prevent various epithelial malignancies, most notably...
In an analysis from the Cancer and Leukemia Group B (CALGB) 89803 adjuvant trial reported in the Journal of the National Cancer Institute, Kimmie Ng, MD, MPH, of Dana-Farber Cancer Institute, Boston, and colleagues found consistent trends suggesting benefit of aspirin use and cyclo-oxygenase-2...
Girls who are overweight as young children and teens may face increased risk for colorectal cancer decades later, regardless of what they weigh as adults, suggests a new study published by Xuehong Zhang, MD, ScD, Instructor at Harvard Medical School, and colleagues in Cancer Epidemiology,...
“In routine clinical practice, laparoscopic colectomy is associated with a lower 30-day mortality, shorter length of stay, and greater likelihood of adjuvant chemotherapy initiation among stage III colon cancer patients when compared with open colectomy,” according to an analysis of data from the...
The U.S. Food and Drug Administration (FDA) today approved ramucirumab (Cyramza) for use in combination with FOLFIRI (leucovorin, fluorouracil, irinotecan) for the treatment of patients with metastatic colorectal cancer whose disease has progressed on a first-line bevacizumab (Avastin)-,...
In a study exploring the mechanisms of stabilized disease vs tumor regression with targeted anti–epidermal growth factor receptor (EGFR) therapy in colorectal cancer reported in Science Translational Medicine, Zanella and colleagues found that stable disease as response was characterized by...
Roche announced that the U.S. Food and Drug Administration (FDA) has approved the cobas KRAS Mutation Test for diagnostic use. The real-time polymerase chain reaction (PCR) test is designed to identify KRAS mutations in tumor samples from patients with metastatic colorectal cancer and aid...
In the Clinic provides overviews of novel oncology agents, addressing indications, mechanisms, administration recommendations, safety profiles, and other essential information needed for the appropriate clinical use of these drugs. On April 24, the monoclonal antibody ramucirumab (Cyramza) was...
More than 7,200 cases of anal cancer were diagnosed in 2014—approximately 2,600 in men and 4,600 in women—representing an increase of more than 4,000 from 8 years ago. In more than 90% of patients, infection with the human papillomavirus (HPV) is the cause, tagging anal cancer as a largely...
For 2 decades, the NCCN Guidelines® have been recognized as the standard of cancer care in the United States, combining evidence, experience, and choice, so that multidisciplinary cancer treatment teams—including patients—are empowered to make informed decisions about cancer care,” said Robert W....
The phase III RAISE trial—reported by Tabernero and colleagues in The Lancet Oncology1 and reviewed in this issue of The ASCO Post—demonstrated that ramucirumab (Cyramza), a fully human IgG1 monoclonal antibody to the vascular endothelial growth factor receptor 2 (VEGFR2) extracellular domain, in...
In the phase III RAISE trial reported in The Lancet Oncology, Josep Tabernero, MD, PhD, Head of Medical Oncology at Vall d’Hebron Institute of Oncology, Barcelona, and colleagues found that the addition of the antiangiogenic anti–vascular endothelial growth factor receptor 2 (VEGFR2) antibody...
A genetic marker to predict response to anti–PD-1 (anti-programmed cell death protein 1) antibodies may have emerged in colorectal cancer, a tumor type that is a newcomer to the anti–PD-1 ballgame. In a phase II study of colorectal cancer patients treated with pembrolizumab (Keytruda), the presence ...
Triplet therapy that inhibits the BRAF, MEK, and EGFR pathways appears promising in BRAF-mutated colorectal cancer, a malignancy that typically does not respond to BRAF inhibition alone.1 At the 2015 ASCO Annual Meeting, Chloe Evelyn Atreya, MD, of the University of California, San Francisco,...
Collaboration between surgeons and medical oncologists “is associated with lower mortality without increased cost among patients with stage III colon cancer,” according to a study by Tanvir Hussain, MD, MSc, and colleagues from Johns Hopkins University School of Medicine, Baltimore, and the...
The landmark CALGB/SWOG 80405 trial concluded that bevacizumab (Avastin) and cetuximab (Erbitux) provide comparable benefit in the treatment of metastatic colorectal cancer. However, in terms of cost, bevacizumab was recently declared the winner. In an economic analysis presented at the 2015 ASCO...
Statin use was not associated with reduced mortality among patients diagnosed with primary colorectal cancer between 2003 and 2009 and followed for a median of 3.4 years in the Darmkrebs: Chancen der Verhütung durch Screening (DACHS) study, an ongoing population-based study of colorectal cancer in...
Collaboration between surgeons and medical oncologists “is associated with lower mortality without increased cost among patients with stage III colon cancer,” according to a study by Tanvir Hussain, MD, MSc, and colleagues from Johns Hopkins University School of Medicine, Baltimore, and the...
In patients with advanced colorectal cancer who have been heavily treated with a sequence of chemotherapy regimens and/or targeted therapies, the goals of treatment on or off a clinical trial are readily definable. These patients and their managing teams are striving to extend the length of lives,...
In a phase III trial (CONCUR) reported in The Lancet Oncology, Jin Li, MD, and colleagues found that the multikinase inhibitor regorafenib (Stivarga) improved overall survival vs placebo in Asian patients with previously treated metastatic colorectal cancer.1 Regorafenib is approved in the United...
Long-term thyroid hormone replacement was associated with a decreased risk of colorectal cancer, but hyperthyroidism and untreated hypothyroidism were associated with a modestly elevated risk, according to a study using a large population-based medical records database from the United Kingdom. A...
Two low-cost, low-tech options may lead to a survival benefit in metastatic colorectal cancer, according to separate retrospective studies selected for the Best of ASCO® 2015. The first study suggested that vitamin D supplementation is worthy of investigation in this regard,1 and the second study...
Two “firsts” in studies of colorectal liver metastases were highlighted at the 2015 ASCO Annual Meeting: the first prospective randomized trial to evaluate radiofrequency ablation plus chemotherapy1 and the first large randomized phase III trial to study liver-directed selective internal radiation...
The U.S. Food and Drug Administration (FDA) has approved trifluridine/tipiracil (Lonsurf) for patients with metastatic colorectal cancer who have been previously treated with chemotherapy and biologic therapy and are no longer responding to treatment. Mechanism of Action The new oral agent is a...
The use of low-dose aspirin by most adults aged 50 to 59 for the primary prevention of colorectal cancer is now included in the U.S. Preventive Services Task Force (USPSTF) updated draft recommendation statement, “Aspirin to Prevent Cardiovascular Disease and Cancer.”1 The release of the statement...
In the Clinic provides overviews of novel oncology agents, addressing indications, mechanisms, administration recommendations, safety profiles, and other essential information needed for the appropriate clinical use of these drugs. On September 22, 2015, trifluridine/tipiracil (Lonsurf) was...
As time lapses, many patients who have undergone a colonoscopy become less and less likely to recall when and where they last had the procedure performed, who the doctor was who performed it, whether polyps were found, and, if so, the number and size of those polyps, according to new study results...
The genetic basis for inherited colorectal cancer is proving to be a much bigger and more complicated “pie” than was appreciated just a few years ago, according to Michael Hall, MD, Director of Gastrointestinal Risk Assessment at Fox Chase Cancer Center, Philadelphia. “With next-generation...
A novel interventional approach to treating liver metastases associated with colorectal cancer improved control of liver metastases, according to the SIRFLOX study presented at the 2015 ASCO Annual Meeting.1 The addition of selective internal radiation therapy to first-line chemotherapy extended...
The recently updated ASCO Answers: Guide to Colorectal Cancer helps people who are newly diagnosed better understand the disease and their treatment options. This information-packed guide includes treatment information; an emphasis on palliative care; an expanded follow-up care section; questions...
Over 10 years ago, we welcomed a new approach to cancer surgery when the 2004 COST trial demonstrated the benefits of laparoscopic compared with open surgery for colon cancer. This randomized trial of 872 patients showed improved perioperative recovery with laparoscopic colectomy without...
Two phase III trials, reported in JAMA by James Fleshman, MD, of Baylor University Medical Center, Dallas, and colleagues1 and Andrew R. Stevenson, MBBS, FRACS, of the University of Queensland, Brisbane, Australia, and colleagues,2 failed to show noninferiority of surgical outcome for laparoscopic...
A gene that is known to suppress the growth and spread of many types of cancer has the opposite effect in some forms of colorectal cancer, University of Missouri (MU) School of Medicine researchers have found. It is a finding that may lay the foundation for new colorectal cancer treatments. Results ...
Follow-up times of abnormal screening exams were shorter for breast cancer than they were for colorectal and cervical cancers, according to a recent study involving more than 1 million individuals who underwent these screenings. Recently published by Tosteson et al in the Journal of General...
As reported by Murphy et al in the Journal of the National Cancer Institute, an analysis of Surveillance, Epidemiology, and End Results (SEER) data from patients with stage II or III colorectal cancer indicated that the use of adjuvant chemotherapy in colon cancer declined slightly between 2005 and ...
In the first study of its kind, University of Southern California (USC) researchers have found that colorectal cancer risk in Californian Latinos varies widely depending on the country of origin. Their study was published by Stern et al in Cancer Causes & Control. “Hispanics are a very...
In a nested case-control study in the Women’s Health Initiative Clinical Trial, reported in Journal of the National Cancer Institute by Murphy et al, endogenous estrogen levels were inversely associated with and sex hormone–binding globulin (SHBG) levels were positively associated with...
As reported by Tournigand et al in The Lancet Oncology, final analysis of the phase III GERCOR DREAM (OPTIMOX3) trial suggested a benefit of maintenance bevacizumab (Avastin)-erlotinib vs bevacizumab after bevacizumab-based induction therapy in patients with previously untreated metastatic...
A coalition formed by the New York City Department of Health and Mental Hygiene (DOHMH) to increase colorectal cancer screening rates in New York resulted in a 40% increase in screening rates over 4 years. The program may serve as a foundation for other communities to boost cancer screening rates,...
Ten-year results of the MOSAIC trial, reported in the Journal of Clinical Oncology by André et al show a continued overall survival benefit with adjuvant FOLFOX4 (fluorouracil [5-FU] leucovorin plus oxaliplatin) vs 5-FU/leucovorin in patients with stage III colon cancer and in the entire...
Disparities in colorectal cancer death rates take a large toll on the national economy, with poorer, less-educated communities bearing the greatest burden, according to data presented at the Eighth American Association for Cancer Research (AACR) Conference on the Science of Cancer Health...