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Compared with normal colorectal mucosae, nearly half of colorectal tumors showed medium-to-high levels of lecithin retinol acyltransferase (LRAT) hypermethylation, according to the results of a study reported by Cheng et al in Medical Oncology. This finding was noted more frequent in earlier tumor...
Overweight and obesity are associated with increased risk of primary colorectal cancer, as well as increased risk of breast, endometrial, esophageal, pancreatic, and kidney cancers. In a pooled analysis of prospective cohort studies reported in the Journal of Clinical Oncology, Gibson et al found...
The U.S. Food and Drug Administration (FDA) has granted Fast Track designation for Taiho Oncology’s TAS-102, a novel agent currently under investigation for the treatment of refractory metastatic colorectal cancer. TAS-102 is an oral combination investigational anticancer drug consisting of...
A large prospective, randomized, controlled trial investigating whether individualized genetic and environmental risk assessment of colorectal cancer susceptibility improves adherence to screening in average-risk persons, has found that the information was not enough to persuade nonadherent...
At least 14 million major medical conditions among U.S. adults aged 35 years and older were attributed to cigarette smoking by a study estimating the disease burden of cigarette smoking, which, according to the study’s authors, “remains immense.” Among current and former smokers,...
In a study reported in the Journal of the National Cancer Institute, Inamura et al found that hypomethylation in long interspersed nucleotide element-1 (LINE-1) is associated with greater colorectal cancer–specific and overall mortality in high-degree microsatellite instability vs...
Some cancers, like breast and prostate cancer, are driven by hormones such as estrogen and testosterone, but to date, there are none that are understood to be driven by the lack of a hormone. New evidence reported by researchers at Thomas Jefferson University, Philadelphia, suggests that human...
A large, prospective study involving more than 75,000 adults in western Washington has found that frequent use of fiber-based laxatives is associated with a decreased risk of colorectal cancer. The study also found that use of nonfiber laxatives is linked to significantly increased risk of...
A retrospective study led by researchers at Brigham and Women's Hospital has found an overuse of colonoscopies for colorectal cancer screening and surveillance. The study demonstrated that endoscopists commonly recommended shorter follow-up intervals than established guidelines support, and these...
The survival benefit demonstrated in the VELOUR study for FOLFIRI (irinotecan, fluorouracil [5-FU], leucovorin) plus ziv-aflibercept (Zaltrap) vs FOLFIRI plus placebo in metastatic colorectal cancer patients who had disease progression on oxaliplatin-based chemotherapy persisted beyond median...
The phase III CONCUR trial of regorafenib (Stivarga) monotherapy in Asian patients with previously treated metastatic colorectal cancer confirmed the overall survival benefit seen in the previous CORRECT trial and in an exploratory analysis suggested the benefit is substantial in patients not...
In a Korean phase II trial reported in The Lancet Oncology, Hong et al found that adjuvant FOLFOX (oxaliplatin, fluorouracil [5-FU], leucovorin) prolonged progression-free survival and overall survival vs 5-FU/leucovorin in patients with locally advanced rectal cancer who had received neoadjuvant...
There are few data available on long-term risk of colorectal cancer mortality after adenoma removal. In a Norwegian study reported in The New England Journal of Medicine, Løberg et al found that patients who had low-risk adenomas removed had lower colorectal cancer mortality risk and those...
A modeling study reported in JAMA Internal Medicine by van Hees and colleagues showed that colonoscopy screening at intervals shorter than 10 years or continuing past 75 years of age in the Medicare population is associated with a reduced net health benefit from a societal perspective. Study ...
A subset of patients with stage III colon cancer had improved survival rates when treated with irinotecan-based therapy, according to a new study in Gastroenterology. When added to the standard chemotherapy treatment—fluorouracil [5-FU] and leucovorin—adjuvant irinotecan therapy...
A team of researchers led by the University of Arizona Steele Children’s Research Center discovered that curcumin—the bioactive molecule derived from the spice turmeric—blocks the protein cortactin in colon cancer. Cortactin, a protein essential for cell movement, is frequently...
In a retrospective cohort study reported in JAMA Internal Medicine, Tran et al found a low rate of colorectal cancer and a relatively high rate of postprocedure hospitalization in elderly patients undergoing surveillance colonoscopy. Study Details The study involved patients aged ≥ 50 years...
Use of panitumumab (Vectibix) and cetuximab (Erbitux) in patients with metastatic colorectal cancer decreased significantly after the publication of clinical trial evidence that anti-EGFR antibodies should be restricted to wild-type KRAS tumors, subsequent ASCO guidelines recommending testing for...
The Norwegian Colorectal Cancer Prevention Trial comparing colorectal cancer screening with flexible sigmoidoscopy vs no screening showed no reduction in colorectal cancer incidence or mortality after 7 years of follow-up. As reported by Holme et al in JAMA, the 11-year follow-up shows significant...
In a European phase III FIRE-3 trial reported in The Lancet Oncology, Heinemann et al found no difference in response rate, the primary endpoint, between FOLFIRI (fluorouracil, leucovorin, and irinotecan) plus the anti-EGFR antibody cetuximab (Erbitux) vs FOLFIRI plus the anti-VEGF-A antibody...
The U.S. Food and Drug Administration (FDA) today approved Cologuard, the first stool-based colorectal screening test that detects the presence of red blood cells and DNA mutations that may indicate the presence of certain kinds of abnormal growths that may be cancers such as colon cancer or...
Risk-adjusted margin positivity rate has been suggested for use as a rectal cancer surgery quality metric. In an observational cohort study reported in the Journal of Clinical Oncology, Massarweh et al from The University of Texas MD Anderson Cancer Center identified risk-adjusted margin positivity ...
In a UK population-based cohort study reported in the Journal of Clinical Oncology, Cardwell et al found that statin use after diagnosis of colorectal cancer was associated with a 29% reduction in colorectal cancer–specific mortality and a 25% reduction in all-cause mortality. Improvements...
An analysis of the gut microbiome in patients from three clinical groups representing the multistage progression in colorectal cancer has found that the composition of the gut microbiome differentiates individuals with healthy colons from those with adenomas and carcinomas. Adding gut microbiome...
In a Scottish study reported in Journal of Clinical Oncology, Zgaga et al found strong associations between plasma levels of 25-hydroxyvitamin D (25-OHD) after a diagnosis of colorectal cancer and colorectal cancer–specific and all-cause mortality. Significant interactions of vitamin D...
Lieu et al recently analyzed the effect of age on outcome in patients with metastatic colorectal cancer using the ARCAD (Aide et Recherche en Cancérologie Digestive) database. The findings, reported in the Journal of Clinical Oncology, indicate a U-shaped risk of death and death or...
In a study reported in the Journal of the National Cancer Institute, Noreen et al found that aspirin and hormone-replacement therapy reduced age-related gene promoter DNA methylation, and smoking and high body mass index (BMI) increased methylation in the colonic mucosa in women. Similar...
Using a multidimensional platform that combined nanofluidic technology for quantitative polymerase chain reaction (PCR) analysis and quantitative fluorescent immunohistochemistry for protein analysis, researchers at the Danbury Hospital Biomedical Research Institute were able to accurately predict...
In a study in the population of the North Central Cancer Treatment Group (NCCTG)/Alliance N0147 adjuvant trial reported in the Journal of the National Cancer Institute, Gonsalves et al identified patient and tumor characteristics that are associated with KRAS and BRAF V600E mutations in colon...
Colorectal cancer screening rates are low among Latinos and people living in poverty. In a study reported in JAMA Internal Medicine, Baker et al found that a multifaceted intervention more than doubled adherence to screening with fecal occult blood testing in a largely Latino and uninsured...
In an updated analysis of the European phase II EXPERT-C trial reported in the Journal of the National Cancer Institute, Sclafani et al found that adding cetuximab (Erbitux) to neoadjuvant capecitabine plus oxaliplatin (CAPOX) followed by chemoradiotherapy, surgery, and adjuvant CAPOX produced no...
Higher intakes of calcium, vitamin D, and dairy product are associated with lower risk of colorectal cancer, but the effect of such intake on survival in colorectal cancer is unclear. In a study reported in the Journal of Clinical Oncology, Yang et al found that higher postdiagnosis intake of...
The new combination agent TAS-102 can improve overall survival compared to placebo in patients whose metastatic colorectal cancer is refractory to standard therapies, researchers reported at the ESMO 16th World Congress on Gastrointestinal Cancer in Barcelona (Abstract O-0022). “Around 50%...
In an interim analysis of the European phase III PETACC-8 trial reported in The Lancet Oncology, Taieb et al found no disease-free survival or overall survival benefit with the addition of cetuximab (Erbitux) to standard adjuvant FOLFOX4 (oxaliplatin, fluorouracil, leucovorin) therapy in patients...
Researchers from Case Western Reserve and Dartmouth have shown that a class of small antioxidant molecules carries promise for suppressing colon cancer associated with colitis. These preclinical findings, published in the Journal of Clinical Investigation, offer hope that physicians ultimately will ...
Extended colectomy in patients with sporadic colorectal cancer who were younger than age 50, in comparison with segmental resection, did not improve the risk of tumor recurrence or disease-free survival, according to the results of a retrospective study presented by Klos et al in the Journal of...
A “reasonable” delay prior to surgery for colon cancer may not result in worse outcomes, according to the results of a retrospective study presented by Amri et al in the Annals of Surgical Oncology. Flexibility in scheduling surgery may lead to an improvement in the quality and safety...
Anorectal melanoma is a rare malignant neoplasm that has a variable natural history and nonspecific presentation. A review by Hicks et al of 18 patients treated at Johns Hopkins Hospital between October 1991 and August 2012, finds that the cancer tends to be diagnosed at stage II or later and is...
Palliative resection of the primary tumor was associated with a statistically significant and clinically meaningful improvement in overall survival in patients with metastatic colorectal cancer, according to the results of a study reported in the Annals of Surgical Oncology. Gresham et al noted...
Bevacizumab (Avastin) plus chemotherapy and cetuximab (Erbitux) plus chemotherapy produced equal survival benefits for patients with metastatic colorectal cancer and no KRAS mutations, according to results from a large federally funded phase III study presented at the 2014 ASCO Annual Meeting...
In a new study presented at the 2014 ASCO Annual Meeting in Chicago (Abstract 3516), researchers from The University of Texas MD Anderson Cancer Center found patients with advanced colorectal cancer responded well to a combination therapy of the drugs vemurafenib (Zelboraf), cetuximab (Erbitux),...
As reported in the Journal of Clinical Oncology by O’Connell et al, the National Surgical Adjuvant Breast and Bowel Project (NSABP) Trial R-04 is assessing four chemotherapy regimens given concurrently with preoperative radiotherapy in order to help identify optimal treatment in patients with ...
In the noninferiority COREAN trial reported in The Lancet Oncology, Jeong et al found that laparoscopic surgery was associated with disease-free survival similar to that with open surgery for mid- or low-rectal cancer. Study Details In this open-label trial, 340 patients with cT3N0–2M0...
The U.S. Food and Drug Administration (FDA) has approved panitumumab (Vectibix) for use in combination with FOLFOX (fluorouracil, leucovorin, oxaliplatin) as first-line treatment in patients with wild-type KRAS (exon 2) metastatic colorectal cancer. This approval converts the accelerated...
In a phase II feasibility study (MRC FOCUS3) reported in British Journal of Cancer, Maughan et al used KRAS and BRAF mutation status and topoisomerase-1 expression status to randomly assign patients with advanced colorectal cancer to molecular hypothesis–driven treatment or control treatment. ...
In a UK trial (EnROL) reported in the Journal of Clinical Oncology, Kennedy et al compared outcomes with open vs laparoscopic resection of colorectal cancer within a multimodality enhanced recovery program. Such programs are intended to improve all aspects of perioperative care and have been shown...
Geographic proximity to services has been identified as a potential barrier to cancer screening, and there is evidence of disparity in colorectal cancer outcomes between urban and rural U.S. residents. In a study reported in JAMA Surgery, Aboagye et al identified a significantly greater density of...
A surgical method combining two techniques for removing precancerous polyps during colonoscopies can substantially reduce the recovery time and the length of hospital stays, which may translate into significant cost savings, according to research presented this week at Digestive Disease Week in...
In a study reported in the Journal of Clinical Oncology, Fokas et al found that prospectively evaluated tumor regression grading was a significant prognostic factor for distant metastasis and disease-free survival after 132 months of follow-up in patients with locally advanced rectal carcinoma...
Nationwide data on mortality and morbidity from colorectal cancer resections in the aging population are lacking. In a study reported in JAMA Surgery, Jafari et al found that there has been an overall decrease in numbers of resections and improved in-hospital mortality in older patients, although...