In the Clinic provides overviews of novel oncology agents, addressing indications, mechanisms, administration recommendations, safety profiles, and other essential information needed for the appropriate clinical use of these drugs. On September 22, 2015, trifluridine/tipiracil (Lonsurf) was...
As time lapses, many patients who have undergone a colonoscopy become less and less likely to recall when and where they last had the procedure performed, who the doctor was who performed it, whether polyps were found, and, if so, the number and size of those polyps, according to new study results...
The genetic basis for inherited colorectal cancer is proving to be a much bigger and more complicated “pie” than was appreciated just a few years ago, according to Michael Hall, MD, Director of Gastrointestinal Risk Assessment at Fox Chase Cancer Center, Philadelphia. “With next-generation...
A novel interventional approach to treating liver metastases associated with colorectal cancer improved control of liver metastases, according to the SIRFLOX study presented at the 2015 ASCO Annual Meeting.1 The addition of selective internal radiation therapy to first-line chemotherapy extended...
The recently updated ASCO Answers: Guide to Colorectal Cancer helps people who are newly diagnosed better understand the disease and their treatment options. This information-packed guide includes treatment information; an emphasis on palliative care; an expanded follow-up care section; questions...
Over 10 years ago, we welcomed a new approach to cancer surgery when the 2004 COST trial demonstrated the benefits of laparoscopic compared with open surgery for colon cancer. This randomized trial of 872 patients showed improved perioperative recovery with laparoscopic colectomy without...
Two phase III trials, reported in JAMA by James Fleshman, MD, of Baylor University Medical Center, Dallas, and colleagues1 and Andrew R. Stevenson, MBBS, FRACS, of the University of Queensland, Brisbane, Australia, and colleagues,2 failed to show noninferiority of surgical outcome for laparoscopic...
A gene that is known to suppress the growth and spread of many types of cancer has the opposite effect in some forms of colorectal cancer, University of Missouri (MU) School of Medicine researchers have found. It is a finding that may lay the foundation for new colorectal cancer treatments. Results ...
Follow-up times of abnormal screening exams were shorter for breast cancer than they were for colorectal and cervical cancers, according to a recent study involving more than 1 million individuals who underwent these screenings. Recently published by Tosteson et al in the Journal of General...
As reported by Murphy et al in the Journal of the National Cancer Institute, an analysis of Surveillance, Epidemiology, and End Results (SEER) data from patients with stage II or III colorectal cancer indicated that the use of adjuvant chemotherapy in colon cancer declined slightly between 2005 and ...
In the first study of its kind, University of Southern California (USC) researchers have found that colorectal cancer risk in Californian Latinos varies widely depending on the country of origin. Their study was published by Stern et al in Cancer Causes & Control. “Hispanics are a very...
In a nested case-control study in the Women’s Health Initiative Clinical Trial, reported in Journal of the National Cancer Institute by Murphy et al, endogenous estrogen levels were inversely associated with and sex hormone–binding globulin (SHBG) levels were positively associated with...
As reported by Tournigand et al in The Lancet Oncology, final analysis of the phase III GERCOR DREAM (OPTIMOX3) trial suggested a benefit of maintenance bevacizumab (Avastin)-erlotinib vs bevacizumab after bevacizumab-based induction therapy in patients with previously untreated metastatic...
A coalition formed by the New York City Department of Health and Mental Hygiene (DOHMH) to increase colorectal cancer screening rates in New York resulted in a 40% increase in screening rates over 4 years. The program may serve as a foundation for other communities to boost cancer screening rates,...
Ten-year results of the MOSAIC trial, reported in the Journal of Clinical Oncology by André et al show a continued overall survival benefit with adjuvant FOLFOX4 (fluorouracil [5-FU] leucovorin plus oxaliplatin) vs 5-FU/leucovorin in patients with stage III colon cancer and in the entire...
Disparities in colorectal cancer death rates take a large toll on the national economy, with poorer, less-educated communities bearing the greatest burden, according to data presented at the Eighth American Association for Cancer Research (AACR) Conference on the Science of Cancer Health...
In a study reported in the Journal of Clinical Oncology, Renfro et al found that low but not high body mass index (BMI) was associated with poorer progression-free and overall survival in patients receiving first-line treatment for metastatic colorectal cancer. The analysis included individual...
Two phase III trials, reported in JAMA by Fleshman et al and Stevenson et al, failed to show noninferiority of surgical outcome for laparoscopic vs open resection in patients with rectal cancer. ACOSOG Z6051 Trial In the American College of Surgeons Oncology Group (ACOSOG) Z6051 trial, reported...
In a trial reported in The New England Journal of Medicine, Baron et al found that daily vitamin D and calcium supplementation did not reduce recurrence of colorectal adenomas in patients with recently diagnosed adenomas and no known polyps remaining after complete colonoscopy. Study Details In...
Cologuard stool DNA testing for colorectal cancer was found to be an accurate noninvasive screening option for Alaska Native people, a population with one of the world's highest rates of colorectal cancer, concluded researchers from the Alaska Native Tribal Health Consortium and Mayo Clinic. The...
In a multi-institutional phase II trial (ACOSOG Z6041) reported in The Lancet Oncology, Garcia-Aguilar et al found that neoadjuvant chemoradiotherapy and local excision was associated with an acceptable disease-free survival rate, albeit not so high as anticipated, in patients with clinical stage...
In a German noninferiority phase III trial (AIO 0207) reported in The Lancet Oncology, Hegewisch-Becker et al found that maintenance treatment with bevacizumab (Avastin) was noninferior to a fluoropyrimidine plus bevacizumab in time to maintenance strategy failure following first-line treatment...
As reported in the Journal of Clinical Oncology by Allegra et al, ASCO has issued a provisional clinical opinion (PCO) update on extended RAS mutation testing in metastatic colorectal cancer to predict response to anti-EGFR monoclonal antibody treatment. The update revises a 2009 PCO and is based...
For a malignant tumor to form, cancer cells must evade the immune system's attack. Numerous studies have already shown that cancer spreads particularly aggressively if there is an unfavorable balance between suppressing and active immune cells in the tumor microenvironment. “But we didn't...
As time lapses, many patients who have undergone a colonoscopy become less and less likely to recall when and where they last had the procedure performed, who the doctor was who performed it, whether polyps were found, and, if so, the number and size of those polyps, according to new study results...
All relatives of individuals with colorectal cancer are at increased risk for this cancer, regardless of the age of diagnosis of the index patient in the family, according to a study published by Samadder et al in Clinical Gastroenterology and Hepatology. These findings may impact future guidelines ...
Colorectal cancer is on the rise among younger patients. Although some of the younger-onset cases can be explained by hereditary factors, the majority arise spontaneously. Researchers have now found that tumors in younger patients with colorectal cancer may be molecularly distinct from those of...
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...