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 ...
In the phase III CAIRO3 trial reported in The Lancet, Simkens et al of the Dutch Colorectal Cancer Group found that maintenance capecitabine-bevacizumab (Avastin) prolonged the time to second progression vs observation in patients with metastatic colorectal cancer. In this open-label trial, 558...
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...
Three or more hours of walking per week can boost the vitality and health of prostate cancer survivors. Men and women who have survived colorectal cancer and are regular walkers also reported lower sensations of burning, numbness, tingling, or loss of reflexes that many often experience after...
In the COLOR II study reported in The New England Journal of Medicine, Bonjer et al found similar rates of locoregional recurrence and disease-free and overall survival with laparoscopic vs open resection of rectal cancer. Study Details In the trial, 1,044 patients from 30 sites in 8 countries in ...
Numerous studies have documented racial differences in deaths from cancer among non-Hispanic whites and African Americans, but little has been known about survival outcomes for Asian Americans who have been diagnosed with cancer. In a new study published in the Journal of the National Cancer...
According to researchers at Memorial Sloan Kettering Cancer Center (MSKCC), hepatic parenchymal preservation, in which a surgeon removes less than a lobe of the liver in a patient undergoing an operation for liver cancer, is associated with lower mortality and complication rates. Their study...
Girls who are overweight as young children and teens may face an increased risk for colorectal cancer decades later, regardless of what they weigh as adults, suggests a new study published by Zhang et al in Cancer Epidemiology, Biomarkers & Prevention. “Our study supports the growing...
In a study reported in JAMA, Nan et al found that two single nucleotide polymorphisms (SNPs) were associated with a reduced risk of colorectal cancer with regular aspirin or nonsteroidal anti-inflammatory drug (NSAID) use by persons of European descent. Study Details The case-control study...
The American Society for Clinical Pathology (ASCP), the College of American Pathologists (CAP), the Association for Molecular Pathology (AMP), and the American Society of Clinical Oncology (ASCO) today released a draft of a clinical practice guideline on the use of molecular marker testing for...
In a National Cancer Data Base analysis reported in the Journal of the National Cancer Institute, Zheng et al found that laparoscopic colectomy was associated with lower 30-day mortality, shorter length of stay, and, in patients with stage III disease, greater use of adjuvant chemotherapy vs open...
Patients with colorectal cancer experience significantly higher rates of numbness/tingling but comparable neuropathic pain relative to patients with other cancers, according to a study by Lewis et al in the Journal of Pain and Symptom Management. In addition, numbness/tingling was more likely to be ...
In a study reported by Orlich et al in JAMA Internal Medicine, a vegetarian dietary pattern was associated with a reduced risk of colorectal cancer, with risk reduction appearing to be greatest in pescovegetarians. Study Details The study involved data from 77,659 participants in the Adventist...
In a study reported in the Journal of the National Cancer Institute, Loupakis et al found that most treatment-naive patients with metastatic colorectal cancer had left-sided primary tumor location and that left-sided tumor location was associated with improved overall survival. Study Details The...
In a retrospective analysis reported in the Journal of Clinical Oncology, Rhoads et al found that treatment of colorectal cancer patients in an integrated health-care system was associated with greater compliance with National Comprehensive Cancer Network (NCCN) guidelines, better survival, and no...
The Italian SCORE trial is among several recent large European randomized trials showing the benefit of flexible sigmoidoscopy screening on colorectal cancer incidence and mortality. In a study reported in the Journal of the National Cancer Institute, Senore et al found that characteristics of...
In a U.S.-based cost-effectiveness analysis reported in the Journal of Clinical Oncology, Goldstein et al found high costs per quality-adjusted life-year with the addition of bevacizumab (Avastin) to chemotherapy in first- and second-line treatment of metastatic colorectal cancer. Study Details...
“In routine clinical practice, laparoscopic colectomy is associated with 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...
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...
In a study reported in the Journal of Clinical Oncology, Yang et al found that current smoking was associated with increased colorectal cancer–specific and all-cause mortality among colorectal cancer patients in both the prediagnosis and postdiagnosis settings. Study Details The study...
A new, multidisciplinary approach to managing patients undergoing a colorectal operation results in shorter hospital stays, fewer complications, and lower medical costs, according a study published by Thiele et al in the Journal of the American College of Surgeons. Currently, patients undergoing...
In a study reported in the Journal of the National Cancer Institute, Ng et al found consistent trends suggesting benefit of aspirin use and COX-2 inhibitor use on recurrence-free, disease-free, and overall survival in patients with stage III colon cancer. Study Details This prospective...
In a Danish retrospective population-based study reported in The Lancet Oncology, Bertelsen et al found that complete mesocolic excision resulted in better disease-free survival compared with conventional colon resection in patients with stage I to III colon cancer. Study Details The study...
People who worry a lot about cancer are more likely to want to get screened for colon cancer—perhaps due to a desire for reassurance—but having a more visceral negative response to thinking about cancer acted as a deterrent to actually getting screened, according to a British study by...
In a study reported in the Journal of Clinical Oncology, Arem et al found that increased leisure-time physical activity prior to and increased activity after colorectal cancer diagnosis were associated with improved overall survival, as was less television watching prior to diagnosis. Study ...
In a study reported in the Journal of Clinical Oncology, Chubb et al found that genetic diagnosis of high-penetrance susceptibility to colorectal cancer can be achieved in a sizeable proportion of familial colorectal cancer cases via exome sequencing for germline mutations. Study Details The...
New data from the phase II PEAK and phase III PRIME studies support the first-line use of panitumumab (Vectibix) in combination with FOLFOX (fluorouracil, leucovorin, oxaliplatin) in patients with wild-type RAS metastatic colorectal cancer. The study results were presented during a poster session...
The annual rate of primary tumor removal for stage IV colorectal cancer has decreased since 1988, and the trend toward nonsurgical management of the disease noted in 2001 coincides with the availability of newer chemotherapy and biologic treatments, according to study reported by Hu et al in JAMA...
Updated results from TRIBE, an Italian phase III study of patients with metastatic colorectal cancer, indicate that FOLFOXIRI (leucovorin, fluorouracil [5-FU], oxaliplatin, irinotecan) chemotherapy in combination with bevacizumab (Avastin) is superior to the standard FOLFIRI (leucovorin, 5-FU,...
A recent study on the use of minimally invasive surgery for colorectal cancer at National Comprehensive Cancer Network (NCCN) centers has found that although laparoscopic colectomy results in equivalent oncologic outcomes compared to open colectomy, its adoption nationally has been slow. An...
New findings from an international phase III study of 1,072 patients with advanced colorectal cancer whose disease progressed on or after initial therapy indicate that a combination of the targeted drug ramucirumab (Cyramza) and FOLFIRI (irinotecan, fluorouracil, leucovorin) chemotherapy provides a ...
A retrospective review of clinical data on 145 patients with stage I to III rectal cancer indicates that patients who achieved complete response after treatment with chemoradiation and systemic chemotherapy had similar 4-year survival rates regardless of whether they had immediate surgery or...
A prospective analysis of data from a phase III study of patients newly diagnosed with metastatic colorectal cancer indicates that patients with higher vitamin D levels have better outcomes after treatment with chemotherapy and targeted therapy. The median overall survival for patients with the...
Patients with metastatic colorectal cancer showed a continued and persistent improvement over time in overall survival when they received ziv-aflibercept (Zaltrap) in addition to FOLFIRI (irinotecan, fluorouracil, leucovorin), reported by Ruff et al in the European Journal of Cancer. Survival was...
Patients with locally advanced rectal cancer who receive neoadjuvant radiation therapy with either irinotecan plus capecitabine or oxaliplatin plus capecitabine have a 4-year overall survival rate of 85% and 75%, respectively, according to a study reported by Wong et al in the International Journal ...
Approximately 5% to 6% of cases of colorectal cancer are associated with germline mutations conferring an inherited predisposition for disease. As reported by Stoffel et al in the Journal of Clinical Oncology, ASCO has endorsed, with qualifying statements, the European Society for Medical Oncology...
The effects of PMS2 germline mutations are less well understood than those of other Lynch syndrome–associated mismatch repair gene mutations. In a European cohort study reported in the Journal of Clinical Oncology, ten Broeke et al found that risks of colorectal cancer and endometrial cancer...