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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...
A common genetic variant that affects one in three people appears to significantly increase the risk of colorectal cancer from the consumption of processed meat, according to a study published today in PLOS Genetics by Figueiredo et al. The study of over 18,000 people from the United States,...
In a study of health-care organization data reported in The New England Journal of Medicine, Corley et al assessed the relationship between proportion of colonoscopies performed by a gastroenterologist that detect an adenoma and risk of subsequent interval colorectal cancer and colorectal cancer...
In the open-label noninferiority phase III ASPECCT trial reported in The Lancet Oncology, Price et al found that anti-EGFR monoclonal antibody treatment with panitumumab (Vectibix) produced a noninferior overall survival outcome vs cetuximab (Erbitux) in patients with chemotherapy-refractory...
Surgery for liver metastasis from colorectal cancer is associated with overall survival of approximately 40% at 5 years, and progression-free survival is increased with the addition of oxaliplatin and fluorouracil (5-FU). The addition of cetuximab (Erbitux) to chemotherapy has produced a survival...
In a phase II study (COIN-B) reported in The Lancet Oncology, Wasan et al examined the addition of continuous or intermittent cetuximab (Erbitux) to intermittent chemotherapy in previously untreated advanced KRAS wild-type colorectal cancer. Continuous cetuximab appeared to be associated with...
A large prospective study of patients with invasive colorectal cancer has found that higher body mass index 2 years before diagnosis increased risk of all-cause mortality after diagnosis, even in patients whose tumors harbored a marker that is usually associated with better prognosis. The...
In a phase II trial (PEAK) reported in the Journal of Clinical Oncology, Schwartzberg et al compared the EGFR inhibitor panitumumab (Vectibix) vs the VEGF-A inhibitor bevacizumab (Avastin) combined with modified fluorouracil, leucovorin, and oxaliplatin (FOLFOX6) in patients with previously...
In a cohort study reported in JAMA Internal Medicine, Reimers et al found that aspirin use was associated with a significant 47% reduction in mortality risk after diagnosis of colon cancer expressing HLA class I antigen. There was no difference in aspirin benefit according to strong or weak...
Obesity, rather than diet, causes changes in the colon that may lead to colorectal cancer, according to a study in mice by the National Institutes of Health. The finding bolsters the recommendation that calorie control and frequent exercise are not only key to a healthy lifestyle, but a strategy to ...
The U.S. Food and Drug Administration’s (FDA) committee of genetic experts has determined that Cologuard, a stool-based DNA, noninvasive screening test for colorectal cancer, has demonstrated safety, effectiveness, and a favorable risk-benefit profile. The FDA is now considering the...
In a study reported in The New England Journal of Medicine, Imperiale et al found that a noninvasive, multitarget stool DNA test—including assays for KRAS mutations, aberrant NDRG4 and BMP3 methylation, β-actin, and hemoglobin—was significantly more sensitive but significantly less ...
Findings from a report by Siegel et al of the American Cancer Society (ACS) show that the rate at which people are diagnosed with colorectal cancer in the United States has dropped by 30% in the last 10 years among people aged 50 years and older. The researchers say the decline in incidence is due...
The National Comprehensive Cancer Network (NCCN) is recommending that newly diagnosed colorectal cancer patients be screened for Lynch syndrome, previously called hereditary nonpolyposis colorectal cancer. The NCCN’s proactive position should greatly help identify individuals and their...
In a study reported in the Journal of Clinical Oncology, Rosmarin et al assessed the association of reported fluorouracil (5-FU) toxicity genetic markers with occurrence of capecitabine toxicity of grade ≥ 3 in the QUASAR2 trial in colorectal cancer and with occurrence of capecitabine and 5-FU...
It is known that chronic inflammation plays a role in the development of colorectal cancer. In a study reported in the Journal of the National Cancer Institute, Mehta et al evaluated the association of the novel plasma inflammatory biomarker macrophage inhibitory cytokine-1 (MIC-1; growth...
In a study reported in The Lancet Oncology, Gralnek et al found that full-spectrum endoscopic colonoscopy had a lower adenoma miss rate compared with standard forward-viewing colonoscopy. Study Details In the study, performed at three sites in Israel, one in the Netherlands, and two in the United ...
While new and better treatments have improved the odds of survival for patients diagnosed with late-stage colorectal cancer, that progress has been largely confined to non-Hispanic whites and Asians and those under age 65, according to a new study published in Cancer Causes and Control. Sineshaw et ...
In a study reported in the Journal of Clinical Oncology, van Ryn et al assessed patient-reported quality of care among patients with colorectal cancer in the Veterans Affairs health-care system. The investigators found significant gaps in patient-centered quality of supportive care, but also found...
Individuals at increased familial risk of colorectal cancer have poor adherence to colonoscopy screening recommendations, especially those in rural and other geographically underserved populations. In a study (Family CARE trial) reported in the Journal of Clinical Oncology, Kinney et al found that...
In a study (FACS trial) reported in JAMA, Primrose et al compared outcomes with intensive follow-up with carcinoembryonic antigen measurement (CEA), computed tomography (CT), both, or minimum follow-up after curative surgery for primary colorectal cancer. Intensive strategies resulted in a...
As reported in The Lancet Oncology by Bosset et al, long-term results of the European Organisaton for Research and Treatment of Cancer (EORTC) trial 22921 indicate that adjuvant fluorouracil (5-FU)-based chemotherapy after preoperative radiotherapy with or without chemotherapy does not affect...
Neoadjuvant chemoradiotherapy delays administration of optimal chemotherapy in stage II to III rectal cancer. In a pilot study reported in the Journal of Clinical Oncology, Schrag et al assessed outcomes with neoadjuvant FOLFOX (fluorouracil, leucovorin, oxaliplatin)/bevacizumab (Avastin) with...
Preclinical data suggest a role of angiotensin II in colorectal cancer. In a study reported in the Journal of the National Cancer Institute, Makar et al assessed whether use of angiotensin converting enzyme (ACE) inhibitor or angiotensin receptor blocker (ARB) treatment for hypertension was...
According to the final results of the phase III CAIRO3 trial by the Dutch Colorectal Cancer Group, maintenance treatment with capecitabine plus bevacizumab (Avastin) significantly delayed progression compared to observation in patients with metastatic colorectal cancer, and in a subset of patients, ...
Irinotecan drug-eluting beads given simultaneously with FOLFOX (leucovorin, fluorouracil, oxaliplatin) and bevacizumab (Avastin) in patients with unresectable liver metastasis from colorectal cancer improved response rates, increased resectability and prolonged hepatic progression-free survival in...
New data from a phase III clinical trial shows that patients with metastatic colorectal cancer tumors that contain RAS mutations beyond KRAS exon 2 are unlikely to benefit from the addition of panitumumab (Vectibix) to second-line FOLFIRI (leucovorin, fluorouracil, irinotecan) chemotherapy....
New findings from a four-arm phase III clinical trial in patients with stage II or stage III rectal cancer indicate that combining preoperative radiation with either capecitabine or fluorouracil (5-FU) results in equivalent outcomes. This study provides strong clinical evidence that using either...
ALK and ROS1 gene rearrangements, which are known to drive subsets of lung cancer, appear to be present in some colorectal cancers as well, according to the results of a study published in Molecular Cancer Research. The findings by Aisner et al suggest that therapies used to target these two...