In a phase I/II study reported in the Journal of Clinical Oncology, Corcoran et al found that the combination of the BRAF inhibitor dabrafenib (Tafinlar) and the MEK inhibitor trametinib (Mekinist) produced responses in some patients with BRAF V600–mutant metastatic colorectal cancer. MAPK...
The U.S. Food and Drug Administration today 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. The new agent is an oral combination of...
In a study reported in the Journal of the National Cancer Institute, Yoon et al found that among patients with stage III colon cancer in the Alliance N0147 trial, Asians had the lowest rate of BRAF/KRAS mutations and longer disease-free survival vs whites among patients with N2 disease and that...
About 20% of patients with colorectal cancer have cancers that have metastasized beyond the colon at the time of their diagnosis, with the liver being the most common site for these metastases. The approach to treating primary tumors within the colon and metastatic tumors in the liver continues to...
As reported by Schmoll et al in the Journal of Clinical Oncology, the final results of the phase III NO16968 trial showed that adjuvant therapy with XELOX (capecitabine, oxaliplatin) improved overall survival vs fluorouracil (5-FU)/leucovorin in patients with resected stage III colon cancer....
In an updated analysis of the Italian phase III TRIBE trial reported in The Lancet Oncology, Cremolini et al found that FOLFOXIRI (fluorouracil [5-FU], leucovorin, oxaliplatin, irinotecan) plus bevacizumab (Avastin) significantly prolonged overall survival in patients with unresectable metastatic...
In an analysis of a randomized trial of aspirin in patients with Lynch syndrome reported in the Journal of Clinical Oncology, Movahedi et al found that obesity was associated with an increased risk of colorectal cancer, with the excess risk being restricted to those not receiving aspirin. ...
Research by a Veterans Affairs team has confirmed that longer-lasting colonoscopies are associated with lower cancer rates. Their findings were published by Shaukat et al in Gastroenterology, and were based on nearly 77,000 screening colonoscopies. Experts already know about the link between...
A large population-based control study of the use of low-dose aspirin or other nonsteroidal anti-inflammatory drugs and colorectal cancer risk has found that taking 75 mg to 150 mg of aspirin for 5 years or longer was associated with a 27% reduced risk of colorectal cancer. In addition, 5 or more...
A large observational study investigating the effect of coffee consumption on advanced-stage colon cancer and survival has found that patients who drank four or more cups of coffee a day were 42% less likely to experience a recurrence than non-coffee drinkers and were 33% less likely to die from...
Final results of the German phase III CAO/ARO/AIO-04 trial reported in The Lancet Oncology by Rödel et al showed that adding oxaliplatin to fluorouracil (5-FU)–based neoadjuvant chemoradiation and postoperative chemotherapy improved disease-free survival in patients with locally advanced ...
Researchers investigating a risk index for colorectal cancer and advanced precancerous polyps among average-risk people have found that patients classified as low risk had fewer advanced adenomas than patients classified as high risk. Their findings suggest that those at low risk for colorectal...
Lower levels of ERCC1 (excision repair cross-complementation group 1) and thymidylate synthase expression may be predictive of longer survival in patients with metastatic colon cancer, according to a study by Choueiri et al in PLOS One. It was shown that patients with low levels of ERCC1 and...
Recent advances in the understanding of cancer have led to the development of more personalized therapies. Moffitt Cancer Center researchers have contributed to these advances by developing the first test that analyzes the sensitivity of tumors to radiation therapy. Their findings were published by ...
In an analysis reported in the Journal of Clinical Oncology, Murphy et al found that disparity in the use of adjuvant chemotherapy in white vs black patients with stage III colon cancer may have recently reemerged after a trend of increasing use in both racial groups. Changes in Use Over...
Although the prevalence of genetic risk factors, such as Lynch syndrome and familial adenomatous polyposis, has been studied in the general population of individuals with colorectal cancer, patients diagnosed as adolescents and young adults are not well represented in colorectal cancer studies. A...
In a phase II trial reported in The Lancet Oncology, Garcia-Aguilar et al found that adding neoadjuvant mFOLFOX6 (modified fluorouracil [5-FU], leucovorin, oxaliplatin) after chemoradiation improved the pathologic complete response rate in patients with locally advanced rectal cancer undergoing...
In a retrospective study reported in The Lancet Oncology, Tabernero et al used commercially available BEAMing technology to assess plasma tumor DNA and protein levels in a subgroup of patients from the CORRECT trial of regorafenib (Stivarga) in metastatic colorectal cancer and examined the...
In a Danish prospective observational study reported in The Lancet Oncology, Appelt et al found that high-dose chemoradiotherapy and watchful waiting may be an alternative to abdominoperineal resection in some patients with distal rectal cancer. Study Details In the study, 55 patients with...
A study published by Bianchi et al in the Journal of the American Medical Association (JAMA) showed that genetic test results revealed by noninvasive prenatal testing for fetal chromosomal abnormalities may detect underlying conditions in the mother, including cancer. The study reports on a case...
In a study reported in JAMA by Meester et al, microsimulation modeling of data from a U.S. community-based health-care system showed that colorectal cancer incidence and mortality were reduced with increased adenoma detection rate in colonoscopy screening, with no increase in total costs. Study...
Gains have been made in the overall reduction in the death rates of colorectal cancer in the United States. A new study by Siegel et al has identified three distinct geographic hot spots where colorectal cancer death rates remain elevated over other parts of the country. These hot spots were found...
The phase IIIb CONSIGN trial has confirmed the benefit of regorafenib (Stivarga) in patients with previously treated metastatic colorectal cancer, researchers announced July 3 at the European Society for Medical Oncology World Congress on Gastrointestinal Cancer in Barcelona, Spain (Abstract...
The SENRI trial has opened the window to evaluate neurokinin 1 (NK1) antagonists for emesis prevention in patients taking oxaliplatin chemotherapy, said European Society for Medical Oncology World Congress on Gastrointestinal Cancer (ESMO) spokesperson and antiemetics expert Fausto Roila, MD....
Although being overweight with a high body mass index (BMI) has long been associated with a higher risk for colorectal cancer, thinner patients might not fare as well as previously expected after treatment for advanced cancer, according to a new study from Duke Medicine. The study, which was...
While the use of antiangiogenesis drugs that block the growth of new blood vessels can improve the treatment of some cancers, clinical trials of their ability to prevent the development of new metastases have failed. Now a study from the Massachusetts General Hospital (MGH) Cancer Center may have...
Metastatic colorectal cancer patients have improved survival rates when they respond to the first line of chemotherapy their doctors recommend. To better predict how patients will respond to chemotherapeutic agents before they begin treatment, researchers at University of California (UC) San Diego...
In a single-institution study reported in JAMA Surgery, Margonis et al found that particular KRAS codon 12 mutations were associated with significantly poorer overall survival among patients with colorectal liver metastases. Study Details This retrospective study included data from 331 patients...
Screening for colorectal cancer increased in individuals with a lower socioeconomic status after 2008, perhaps reflecting the Affordable Care Act’s removal of financial barriers to screening, according to a new analysis. The study, by American Cancer Society investigators, was published by...
Although various drugs have improved outcomes for metastatic colon cancer patients, researchers continually strive to find new agents to improve treatment. Antibody-drug conjugates are a promising option, due to the fact that they can deliver chemotherapy directly into a targeted cell, destroy...
A collaborative team of researchers led by Alex A. Adjei, MD, PhD, FACP, of Roswell Park Cancer Institute, shared results from the first clinical study of the anticancer effects of the novel agent entolimod on May 30 at the 2015 ASCO Annual Meeting in Chicago (Abstract 3063). Their findings confirm ...
Although the overall rate of colorectal cancer is declining, colorectal cancer specifically among young patients is increasing. Previous studies have shown that colorectal cancer in patients younger than 50 years old tends to be more aggressive than in older patients. A University of Colorado (CU)...
A phase II study identified the first genomic marker—mismatch repair deficiency—to predict clinical benefit of immune checkpoint blockade with the anti–PD-1 antibody pembrolizumab (Keytruda). Among 50 patients with colorectal cancer, 62% of the 25 patients with mismatch...
Being very overweight in your teens may double the risk of developing bowel cancer by the time you are middle-aged, suggested research published by Kantor et al in the journal Gut. A high level of an indicator of systemic inflammation—erythrocyte sedimentation rate—at this age is...
In the phase III CONCUR trial reported in The Lancet Oncology, Li et al found that the multikinase inhibitor regorafenib (Stivarga) improved overall survival vs placebo in Asian patients with previously treated metastatic colorectal cancer. Regorafenib has been approved by the U.S. Food and Drug...
Patients with advanced colorectal tumors without mutations in the RAS genes derive substantial benefit from anti-EGFR (epidermal growth factor receptor) therapies; however, the disease eventually progresses, leaving these patients with few alternative therapeutic options. Over the past decade, some ...
To provide guidance on high-value cancer care screening strategies, the American College of Physicians (ACP) recently reviewed clinical guidelines issued by various medical organizations for screening strategies in five common cancers for asymptomatic, average-risk adults. The five cancers focused...
In a first-of-its-kind clinical trial, physician-scientists at University Hospitals (UH) Case Medical Center, Seidman Cancer Center, and Case Western Reserve University School of Medicine found that a new, noninvasive technology for colon cancer screening is a promising alternative to colonoscopy...
A large, phase III international study of the oral agent TAS-102 in patients with heavily pretreated metastatic colorectal cancer has found that the therapy improved overall survival by 1.8 months and also delayed disease progression. TAS-102 had few side effects and was also effective in patients...
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...
Taking aspirin reduces a person's risk of colorectal cancer, but the molecular mechanisms involved have remained unknown, until a recent discovery by researchers at The Hormel Institute, University of Minnesota. These findings were published by Li et al in EBioMedicine. EGFR and COX-2 Association ...
African Americans and Africans who swapped their typical diets for just 2 weeks similarly exchanged their respective risks of colon cancer, as reflected by alterations of their gut bacteria, according to an international study led by researchers at the University of Pittsburgh School of...
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. The...
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...
Collaboration between surgeons and medical oncologists specialists “is associated with lower mortality without increased cost among patients with stage III colon cancer,” according to a study by Hussain et al in the Journal of Oncology Practice. An increase from one to five in the...
The U.S. Food and Drug Administration 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)-, oxaliplatin-,...
In the phase III RAISE trial reported in The Lancet Oncology, Tabernero et al found that the addition of the antiangiogenic anti-VEGFR2 antibody ramucirumab (Cyramza) to second-line FOLFIRI (leucovorin, fluorouracil, irinotecan) improved overall survival in patients with metastatic colorectal...
Long-term, regular aspirin use was associated with a modestly reduced overall risk for cancer, driven primarily by a reduction in the risk for colorectal cancers, according to research presented at the AACR Annual Meeting 2015, held April 18 to 22 in Philadelphia (Abstract 876). “Previous...
In a study reported in JAMA Oncology, Yurgelun et al identified germline TP53 mutations in multiple patients with early-onset colorectal cancer from the Colon Cancer Family Registry who did not meet clinical criteria for Li-Fraumeni syndrome. Li-Fraumeni syndrome is associated with increased risk...
In a study reported in JAMA Surgery, Kneuertz et al found that the more frequent stage-specific use of adjuvant chemotherapy in younger patients with colon cancer did not appear to produce commensurate benefit in survival compared with outcomes in older patients. Study Details The study was a...