© 2025 HSP News Service, L.L.C.
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...
It has been posited that aspirin treatment may reduce risk for colorectal cancer through inhibition of WNT/cadherin-associated protein β1 (CTNNB1, or β-catenin) signaling. In a study reported in the Journal of the National Cancer Institute, Nan et al investigated the potential role of the ...
In a phase III N08CB/Alliance trial reported in the Journal of Clinical Oncology, Loprinzi et al assessed whether calcium and magnesium treatment reduced oxaliplatin-related neurotoxicity in patients with colon cancer receiving adjuvant FOLFOX (fluorouracil, leucovorin, and oxaliplatin). They found ...
In a study reported in the Journal of Clinical Oncology, Taylor et al evaluated the ability of preoperative high-resolution magnetic resonance imaging (MRI) assessment of circumferential resection margin to predict outcome in patients with rectal cancer. They found that MRI assessment was...
Black patients with metastatic colorectal cancer have been found to have poorer survival than white patients. In a study reported in Journal of the National Cancer Institute, Simpson et al found that black patients were less likely to have specialist consultations and to receive multimodality...
ASCO has policy and procedures for endorsing clinical practice guidelines developed by other professional organizations. As reported in the Journal of Clinical Oncology by Meyerhardt et al of the ASCO Clinical Practice Guidelines Committee, ASCO has endorsed the Cancer Care Ontario (CCO)...
In a study reported in Journal of the National Cancer Institute, Shuji Ogino, MD, PhD, of Dana-Farber Cancer Institute and Harvard Medical School, and colleagues from the Alliance for Clinical Trials in Oncology evaluated the association of PIK3CA mutations with outcome in patients with stage III...
In a study reported in Journal of Clinical Oncology, Greg Yothers, PhD, of the National Surgical Adjuvant Breast and Bowel Project (NSABP) Biostatistical Center and the University of Pittsburgh Graduate School of Public Health, and colleagues assessed performance of the 12-gene colon cancer...
In a study reported in The Lancet Oncology, Jia-Xing Zhang, MD, of Sun Yat-sen University, and colleagues identified a six-microRNA (miRNA) signature that predicted risk of recurrence after surgery for stage II colon cancer and that may help to identify patients most likely to benefit from adjuvant ...
Results from a University of Colorado Cancer Center study indicated that bevacizumab (Avastin) resistance in patients with colorectal cancer may be due to increases in growth factors other than the targeted VEGF-A. The study, led by Christopher Lieu, MD, and published in the journal PLoS One,...
Hopes are high that TAS-102, a novel oral nucleoside agent, will turn out to be an advance in the treatment of advanced colorectal cancer, said Howard Hochster, MD, of the Gastrointestinal Cancer Program at Yale Cancer Center, New Haven, Connecticut, speaking at the Chemotherapy Foundation...
Recommended treatment for most stage I rectal cancers is total mesorectal excision. However, local excision is considered an alternative for T1 tumors that are < 30% of the bowel circumference, < 3 cm in size, mobile, well to moderately differentiated, and lack lymphovascular invasion in...
Propofol is increasingly being used for sedation in screening colonoscopies in low-risk patients. In the United States, propofol can be administered only by an anesthesiologist, which can raise the cost of the procedure by $600 to $2,000. In a study reported in a research letter in JAMA Internal...
Men who spend the most time engaged in sedentary behaviors are at greatest risk for recurrence of colorectal adenomas, benign tumors that are known precursors of colorectal cancers, according to results presented at the 12th Annual AACR International Conference on Frontiers in Cancer Prevention...
A newly discovered potential gene-diet interaction for colorectal cancer may shed light on the statistically significant increased risk of colorectal cancer that is associated with consumption of red and processed meat, according to a study reported yesterday at the American Society of Human...
Previously reported results of the phase III EORTC intergroup 40983 trial showed that perioperative chemotherapy with FOLFOX4 (leucovorin, fluorouracil [5-FU], and oxaliplatin) increased progression-free survival compared with surgery alone in patients with initially resectable liver metastases...
Although nonsteroidal anti-inflammatory drugs such as aspirin have been shown to be protective against colorectal cancer and are associated with reduced disease recurrence and improved outcome, they are also associated with toxicities that limit their use in therapy. Recent data suggest that the...
In a retrospective analysis of the randomized phase II EXPERT-C trial presented at the European Cancer Congress 2013 (Abstract LBA7), TP53 emerged as a strong, independent predictive biomarker for the benefit of cetuximab (Erbitux) in high-risk, locally advanced rectal cancer, according to...
Colonoscopy and sigmoidoscopy have been shown to provide protection against colorectal cancer, but the magnitude and duration of protection, particularly against proximal colon cancer, remain undefined. A study of long-term colorectal cancer incidence and mortality after lower endoscopy reported in ...
In an analysis reported in Journal of Clinical Oncology, Frank A. Sinicrope, MD, of the Mayo Clinic and North Central Cancer Treatment Group (NCCTG), and colleagues investigated the association of deficient DNA mismatch repair with prognosis in patients with stage III colon cancer treated with...
In a study reported in Journal of Clinical Oncology, Dawn L. Hershman, MD, MS, of Columbia University, and colleagues assessed the use of bevacizumab in older patients with metastatic breast, lung, or colon cancer. They found that bevacizumab (Avastin) was contraindicated in approximately one-third ...
Patients with metastatic colorectal cancer that harbors KRAS mutations in exon 2 do not benefit from anti-EGFR therapy. However, other activating RAS mutations may predict poorer outcome with anti-EGFR therapy. In an analysis reported in The New England Journal of Medicine by Jean-Yves Douillard,...
Elderly patients are often underrepresented in clinical trials of metastatic colorectal cancer. In a phase III study (AVEX trial) reported in The Lancet Oncology, David Cunningham, MD, of Royal Marsden Hospital in London and colleagues assessed the addition of bevacizumab (Avastin) to capecitabine...