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Showing 2151 - 2200DDW 2016: Endoscopist’s Knowledge of Positive Cologuard Test Improves Colonoscopy Performance
An endoscopist's knowledge of a positive Cologuard test improves colonoscopy performance, according to a poster presentation by Johnson et al at Digestive Disease Week (DDW) 2016 (Abstract Su1044). Cologuard is an at-home, stool-DNA colorectal cancer screening test that has been approved by the...
Noted Gastrointestinal Oncologist Leonard Saltz, MD, Tempers Optimism With Reality and Factors Cost Into the Equation of Value in Cancer Care
Leonard Saltz, MD, was born in New York, New York, and reared in Westchester County, in the suburbs of the City. Terrance Archer, his high-school biology teacher, whom Dr. Saltz described as a “force of nature,” a wonderful human being, and a major role model, influenced his nascent curiosity in...
Body Mass Index and Mortality in Patients With Colorectal Cancer
Overweight colorectal cancer patients were 55% less likely to die from their cancer than normal-weight patients who have the disease, according to a new Kaiser Permanente study published by Kroenke et al in JAMA Oncology. Of cancers affecting both men and women, colorectal cancer is the...
Relatives of Patients With Carcinoma of Unknown Primary at Increased Risk for This and Other Cancers
Relatives of patients with carcinoma of unknown primary are at increased risk of developing this type of cancer themselves and several other malignant neoplasms, including lung, pancreatic, and colon cancers; non-Hodgkin lymphoma; and myeloma, according to a study published in JAMA Oncology. “Some...
Fitness: Can Exercise Lengthen Survival in Patients With Cancer?
Integrative Oncology is guest edited by Barrie R. Cassileth, MS, PhD, of Memorial Sloan Kettering Cancer Center, New York. Regular physical activity has long been associated with decreased risk of disease, including many types of cancer. Such benefits may translate into increased life expectancy...
How Immunotherapy Is Revolutionizing Cancer Care
More than 100 years after William B. Coley, MD, used bacterial toxins to goad the immune system into recognizing cancer cells as foreign to the body and mount an immune response to go after and kill them, the recognition of immunotherapy as a powerful anticancer therapy is finally being...
Site of Tumor Impacts Survival and Choice of Treatment in Metastatic Colorectal Cancer
In metastatic colorectal cancer, the anatomic location of the tumor within the colon appears to make a difference in overall survival as well as response to pivotal treatments, according to a retrospective analysis of the pivotal CALGB/SWOG 80405 (Alliance) trial.1 “While previous studies had...
Liquid Biopsy–Based Test Appears Comparable to Standard Tissue Testing in Detecting BRAF V600 Mutations
Cell-free (cf) DNA from plasma offers a minimally invasive approach to obtain material for BRAF mutation analysis for diagnostics and response monitoring. A study by Janku et al investigating whether the detection of BRAF V600 mutations in plasma cfDNA from patients with advanced cancers using the...
Specific Version of the FCGR2A Gene Identifies Colorectal Cancer Patients Likely to Benefit Most From Cetuximab
Among patients with metastatic colorectal cancer harboring normal forms of the KRAS gene, only those who had two copies of a specific version of the FCGR2A gene (FCGR2A H/H) had a statistically significant increase in median overall survival when cetuximab (Erbitux) treatment was added to best...
ASCO 2016: Left- vs Right-Sided Primary Tumor Location Predicts Survival in Metastatic Colorectal Cancer
For a longer-form examination of these data, click here. A retrospective analysis from a large, federally funded clinical trial finds that the location of the primary tumor within the colon predicts survival and may help inform optimal treatment selection for patients with metastatic colorectal...
American Cancer Society Report Assesses Progress Against Goals Set for Nation 25 Years Ago
A new report assesses how the nation fared against the ambitious goal set by the American Cancer Society (ACS) to reduce cancer death rates by 50% over 25 years ending in 2015. The report finds areas where progress was substantial, and others where it was not. Published by Byers et al in CA: A ...
Study of SEER Data Identifies Racial/Ethnic Disparities in Survival in Patients With Young-Onset Colorectal Cancer
In a study of Surveillance, Epidemiology, and End Results (SEER) data reported in the Journal of Clinical Oncology, Holowatyj et al found that survival was significantly poorer in black vs white patients diagnosed with colorectal cancer between the ages of 20 and 49 years. Study Details The...
Little Apparent Activity of Cetuximab in Refractory Metastatic Colorectal Cancer With KRAS G13D Mutation
Cetuximab (Erbitux) exhibited little apparent activity in refractory metastatic colorectal cancer harboring the KRAS G13D mutation, according to the findings of the phase II Australasian Gastro-Intestinal Trials Group ICECREAM study, which were reported by Segelov et al in the Journal of Clinical...
Trastuzumab/Lapatinib Active in Refractory, KRAS Codon 12/13 Wild-Type, HER2-Positive Metastatic Colorectal Cancer
Dual HER2 inhibition with trastuzumab (Herceptin) and lapatinib (Tykerb) was active in patients with refractory, KRAS codon 12/13 wild-type, HER2-positive metastatic colorectal cancer, according to an Italian phase II trial reported by Sartore-Bianchi et al in The Lancet Oncology. Study Details...
ESTRO 2016: Radiation and L19-IL2 Immunotherapy Combination Shows Activity in Preclinical Models
Radiation therapy not only targets and destroys cancer cells, but also helps to activate the immune system against their future proliferation. However, this immune response is often not strong enough to be able to completely eradicate tumors, and even when it is, its effect is limited to the area...
New Study Suggests Cholesterol Levels, Not Statins, Influence Colorectal Cancer Risk
Long-term use of the cholesterol-lowering drugs statins does not appear to decrease a patient’s risk of colorectal cancer, suggests a new, large case-control study from Penn Medicine published by Mamtani et al in PLOS Medicine. The observational analysis of over 100,000 patients’...
Solid Organ Transplant Recipients With Preexisting Malignancies in Remission May Be More Likely to Die, Develop New Cancers
Patients who had cancer before receiving an organ transplant were more likely to die of any cause, die of cancer, or develop a new cancer than organ recipients who did not previously have cancer, a new study published by Acuna et al in the journal Transplantation has found. However, the increased...
Study Finds Radiosensitivity Differences Between Liver Metastases Based on Primary Histology
Radiation is a commonly used therapeutic option to treat liver metastases, with the majority of tumors maintained under control after a year. However, some patients do not respond as well to radiation treatment, and the factors that predict patient outcomes are unclear. Moffitt Cancer Center...
Earlier Hospice Enrollment, Avoiding ICU Admissions, and Not Dying in the Hospital Associated With Perceptions of Better End-of-Life Care
Three measures of aggressive end-of-life care “were associated with relatively large differences in family member–reported quality ratings for end-of-life care and a lower likelihood that patients with advanced-stage cancer received care congruent with their preferences,” according to a study in...
Praise for the ACS/ASCO Breast Cancer Survivorship Care Guideline
The recent publication of the American Cancer Society (ACS)/ASCO breast cancer survivorship care guideline is a tremendous contribution to the literature and should provide a roadmap for providers who care for patients with a history of breast cancer for years to come.1,2 The guideline, reported by ...
AACR 2016: Cologuard Detected Colorectal Cancer in Previously Unscreened Patients
A noninvasive colorectal cancer-screening test detected the disease in patients who had previously avoided more invasive screening measures, according to research presented by Prince et al at the 2016 AACR Annual Meeting (Abstract LB-296). The study of nearly 400 patients revealed four patients...
CDX2 in Stage II Colon Cancer: Ready for Prime Time?
In a recent issue of The New England Journal of Medicine, Dalerba et al published an impressive article describing a novel bioinformatics approach to identifying new prognostic and predictive biomarkers in patients with stage II and III colon cancer (see summary in this issue of The ASCO Post).1...
Transcription Factor CDX2 May Be a Prognostic Biomarker in Stage II and III Colon Cancer
In a study reported in The New England Journal of Medicine, Piero Dalerba, MD, of Columbia University, and colleagues found that absence of the transcription factor CDX2 was prognostic for poor outcome in patients with stage II and III colon cancer vs cancers with CDX2 expression.1 However,...
AACR 2016: Certain Oral Bacteria May Be Associated With Increased Pancreatic Cancer Risk
The presence of two species of bacteria linked to periodontal disease in the mouths of healthy individuals was associated with an increased risk of subsequently developing pancreatic cancer, according to research presented by Fan et al at the 2016 AACR Annual Meeting (Abstract 4350). ...
AACR 2016: RAF-Targeted Therapeutic BGB-283 Shows Early Promise Against Tumors With BRAF and RAS Mutations
The new investigational anticancer therapeutic BGB-283, which targets the RAF family of proteins, was safe, tolerable, and showed signs of clinical activity in patients who had a range of types of cancer with mutations in BRAF, KRAS, and NRAS, according to results from a phase I clinical trial...
Increased Rate of Nonoperative Management of Rectal Adenocarcinoma
A National Cancer Database analysis reported by Ellis et al in the Journal of Clinical Oncology indicates a doubling in the use of chemoradiation only in patients with nonmetastatic rectal cancer over recent years. However, current evidence is insufficient to support such nonoperative management....
Relatives of Patients With Carcinoma of Unknown Primary at Increased Risk for This and Other Cancers
Relatives of patients with carcinoma of unknown primary are at increased risk of developing it themselves as well as several other malignant neoplasms, including lung, pancreatic, and colon cancers; non-Hodgkin lymphoma; and myeloma, according to a study published in JAMA Oncology. “Some of...
Next-Generation Sequencing Assay May Permit Accurate Detection of Mismatch Repair Deficiency in Colorectal Cancer
Use of a custom next-generation sequencing assay may accurately predict mismatch repair deficiency on the basis of mutational load in colorectal cancer, according to a report by Stadler et al in the Journal of Clinical Oncology. Study Details The study involved data from 224 patients with...
New Study Links Coffee Consumption to Decreased Risk of Colorectal Cancer
Researchers at the University of Southern California (USC) Norris Comprehensive Cancer Center of Keck Medicine of USC and Clalit National Israel Cancer Control Center have found that coffee consumption may be inversely associated with the risk of colorectal cancer. The findings by Schmit et...
Cancer on the Global Stage: Incidence and Cancer-Related Mortality in Israel
The ASCO Post is pleased to continue this special feature on the worldwide cancer burden. In this issue, we feature a close look at the cancer incidence and mortality rates in Israel. The aim of this special feature is to highlight the global cancer burden for various countries of the world. For...
Breast Cancer Vaccines Moving Forward at a Fast Clip
Vaccines for both secondary and primary prevention of breast cancer are showing potential in clinical trials, according to Elizabeth A. Mittendorf, MD, PhD, who is leading much of the vaccine research at the University of Texas MD Anderson Cancer Center, Houston. Vaccine platforms being explored...
Throwing Out the Baby With the Bathwater: A Critical Appraisal of the USPSTF Recommendation Against Screening for Prostate Cancer
In 2012, the U.S. Preventive Services Task Force (USPSTF) issued a recommendation against routine screening for prostate cancer.1,2 The grade D recommendation was considered controversial at the time, and remains so now, because many stakeholders have weighed the same body of evidence and come to...
Christopher Willett, MD, on Localized Rectal Cancer: Emerging Treatment Paradigms
Christopher Willett, MD, of Duke Cancer Center, discusses short and long courses of treatment, neoadjuvant chemotherapy with or without radiation, and organ preservation without surgery.
TP53 Gene Variant S47 May Contribute to Increased Cancer Risk in People of African Descent
For years, clinical data have shown that African Americans have a higher death rate and shorter period of survival among patients with commonly diagnosed cancers. While studies have focused on whether socioeconomic factors contribute to these statistics, researchers have been diligently trying to...
Widely Cited Prostate-Specific Antigen Screening Publications Influence Biopsy Rates and Associated Complications
While absolute rates of biopsy and postbiopsy complications have decreased following several benchmark prostate-specific antigen (PSA) screening publications, the relative risk for each patient continues to increase, according to a new study by Mayo Clinic researchers. The study is the largest to...
Alan Venook, MD, on Metastatic Colorectal Cancer: Choosing Optimal Treatment Strategies
Alan Venook, MD, of the UCSF Helen Diller Family Comprehensive Cancer Center, discusses new observations on biomarkers, the best combinations of therapies, and how to sequence them.
Endoscopic Mucosal Resection Is an Alternative to Surgery in Most Patients With Complex Colon Polyps
Using the latest advances in endoscopic resection techniques, more than 75% of patients with complex colon polyps could avoid surgery for their polyp removal, according to new research from The University of Texas MD Anderson Cancer Center. The findings, published by Raju et al in Gastrointestinal ...
Japanese Trial Shows Reduced Risk of Subsequent Colorectal Adenomas and Polyps With Low-Dose Metformin
Treatment with low-dose metformin reduced the risk of metachronous colorectal adenomas and polyps over 12 months in nondiabetic patients who had undergone endoscopic polypectomy, according to a report by Higurashi et al in The Lancet Oncology. Study Details In the double-blind phase III trial,...
Patients Diagnosed With Stage I to III Rectal Cancer at Younger Age Have Increased Risk for Positive Lymph Nodes
Patients diagnosed with stage I to III rectal cancer at a younger age are at increased risk of having positive lymph nodes, according to an analysis of data published in the Journal of the National Cancer Institute. “This finding merits further investigation and may ultimately impact treatment...
High Rate of Overuse of Serum Tumor Marker Testing
A retrospective review to evaluate the frequency of serum tumor marker testing “found a high rate of serum tumor marker testing overuse and extreme overuse in patients with advanced solid tumors,” Melissa K. Accordino, MD, of Columbia University College of Physicians and Surgeons, New York,...
Fecal Immunochemical Test Highly Sensitive and Effective When Used for Colorectal Cancer Annual Screening Programs
Annual screening with the fecal immunochemical test is highly sensitive for detecting colorectal cancer and “is feasible and effective for population-level colorectal cancer screening,” according to a large-scale retrospective cohort study assessing this test over four rounds of annual screening....
2016 Oncology Meetings
MARCH 2016 Methods in Clinical Research Workshop for Minority PhysiciansMarch 17-20 • Fort Lauderdale, FloridaFor more information:https://www.roswellpark.edu/education/diversity-clinical-research-workshop The 16th Multidisciplinary Management of Cancers: A Case-Based ApproachMarch 18-20 • Napa,...
Expert Point of View: Wells Messersmith, MD
Wells Messersmith, MD, Professor and Head of Medical Oncology and Director of the Gastrointestinal Cancer Program, University of Colorado, Denver, discussed the two studies. Closer Look at STEAM Dr. Messersmith said the FOLFOXIRI (fluorouracil [5-FU], leucovorin, oxaliplatin, irinotecan) vs FOLFOX...
Studies Evaluate Bevacizumab-Containing Regimens in Metastatic Colorectal Cancer
Two trials reported at the 2016 Gastrointestinal Cancers Symposium evaluated bevacizumab (Avastin)-containing regimens in the first-line treatment of metastatic colorectal cancer and supported some, but not all, previous findings. The STEAM trial found some numerical differences but no...
Increased Travel Burden Decreases Likelihood of Receiving Radiation Therapy for Rectal Cancer Treatment
Increased travel distance to a cancer treatment facility negatively impacts the likelihood that patients with stage II/III rectal cancer will receive radiation therapy to treat their disease, according to a study analyzing 26,845 patient records from the National Cancer Data Base (NCDB) published...
Poorer Outcome With BRAF and KRAS Mutations in Microsatellite-Stable but Not Microsatellite-Unstable Colon Cancer
In an analysis of the PETACC-8 trial reported by Taieb et al in JAMA Oncology, BRAF V600 and KRAS mutations were associated with shorter disease-free and overall survival in patients with microsatellite-stable colon cancer—but not in those with tumors with microsatellite instability—in...
Families of Cancer Decedents See Early Hospice, ICU Avoidance, and Death Outside the Hospital as Better End-of-Life Care
Families of patients dying with lung or colorectal cancer judged end-of-life care as better when it was less aggressive, involved earlier hospice, avoided intensive care unit (ICU) admission, and included death outside of the hospital, according to a study reported by Wright et al in JAMA. Study...
Long-Term Follow-up of Prospective U.S. Cohorts Shows Reduced Risk of GI Tract Cancers With Regular Aspirin Use
In a long-term follow up of two large U.S. prospective cohorts reported in JAMA Oncology, Cao et al found that regular use of aspirin was associated with a reduced risk of gastrointestinal (GI) tract cancers. In 2015, the U.S. Preventive Services Task Force recommended the use of aspirin in...
Processed Meat Consumption May Increase Risk of Breast Cancer for Latinas
Latinas who eat processed meats such as bacon and sausage may have an increased risk for breast cancer, according to a new study that did not find the same association among white women. The study, published by Kim et al in Cancer Causes & Control, suggests that race, ethnicity, genetics,...
Laboratory Study Explores How High-Fat Diet Influences the Development of Intestinal Tumors
A study published by Beyaz et al in Nature reveals how a high-fat diet makes the cells of the intestinal lining more likely to become cancerous. It joins a growing body of research that finds obesity and eating a high-fat, high-calorie diet are significant risk factors for many types of cancer....
