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Showing 151 - 200Ventana MMR IHC Panel for Patients Diagnosed With Colorectal Cancer Receives FDA Clearance
On November 14, the U.S. Food & Drug Administration (FDA) granted clearance to the Ventana MMR IHC Panel, which provides clinicians with a comprehensive group of immunohistochemistry (IHC) tests for patients diagnosed with colorectal cancer. The tests detect proteins associated with the DNA...
Association of Tumor HER3 Expression With Treatment Outcome in Advanced Colorectal Cancer
In a study reported in JAMA Oncology, Seligmann et al found that higher tumor HER3 messenger RNA expression among patients with RAS wild-type tumors was associated with a better outcome with panitumumab (Vectibix) plus irinotecan vs irinotecan alone among patients with advanced colorectal cancer in ...
AACR-NCI-EORTC: Colorectal Cancer Test Could Detect Early Cancer-Causing Genetic Biomarkers With High Degree of Sensitivity
An investigational test that screens for colorectal cancer could detect genetic mutations that are indicative of the disease with a high degree of sensitivity and specificity, according to results of a study presented by Powell et al at the AACR-NCI-EORTC International Conference on Molecular...
AACR-NCI-EORTC: Colorectal Cancers May Mutate to Escape Immune System Detection
Whole-exome sequencing revealed that colorectal cancers with high mutational load (microsatellite instability–high, or MSI-H) predominantly use “immunoediting” to escape immune surveillance, while colorectal cancers with low mutational load (microsatellite stable, or MSS) use...
Preexisting Dementia and Survival in Older Patients With Stage III Colon Cancer
A pre-existing diagnosis of dementia was associated with increased risk of death for older patients with advanced colon cancer; however, some of the effects of dementia on survival could be mediated by receipt of chemotherapy, according to results of a study published by Chen et al in Cancer...
Remnant Liver Ischemia and Cancer-Specific Survival After Resection of Colorectal Liver Metastases
In a single-center experience reported by Yamashita et al in JAMA Surgery, postoperative remnant liver ischemia of grade ≥ 2 was associated with worse cancer-specific survival after resection of colorectal liver metastases. Study Details The retrospective analysis included 202 patients who...
Jaafar Bennouna, MD, on Colorectal Cancer: Clinical Trial Findings on Targeted Treatments and Chemotherapy
Jaafar Bennouna, MD, of the University of Nantes, discusses findings from a phase II French study of bevacizumab or cetuximab plus chemotherapy after progression with bevacizumab plus chemotherapy in patients with wild-type KRAS metastatic colorectal cancer (Abstract 477O).
Study Finds Gut Microbes May Promote Immune Responses Against Colorectal Cancer
Colorectal cancer is the third leading cancer-related cause of death worldwide, accounting for 774,000 deaths in 2015, according to the World Health Organization. Now, a study presented at the third CRI-CIMT-EATI-AACR International Cancer Immunotherapy Conference: Translating Science Into Survival, ...
Labetuzumab Govitecan in Heavily Pretreated Patients With Metastatic Colorectal Cancer
As reported by Dotan et al in the Journal of Clinical Oncology, the antibody-drug conjugate labetuzumab govitecan showed antitumor activity in a phase I/II trial in patients with heavily pretreated metastatic colorectal cancer who had received prior irinotecan therapy. The agent comprises...
Association of Systemic Inflammation and Sarcopenia With Survival in Early-Stage Colorectal Cancer
Results from the C SCANS (Colorectal Cancer: Sarcopenia, Cancer, and Near-Term Survival) study indicate that prediagnosis systemic inflammation and at-diagnosis sarcopenia are associated with an increased mortality risk in patients with nonmetastatic colorectal cancer. The findings were reported in ...
African American Men Have Lowest Survival Rates Among Patients With Anal Cancer
Over the past 30 years, squamous cell carcinoma of the anus has been one of the few cancers with a steadily rising incidence in the United States, with the most rapid increase seen in black men. To further investigate this trend, researchers at the University of Texas Southwestern Medical Center...
Clinical Genomics Implements QIAGEN’s Tube Collection Technology for Colorectal Cancer Recurrence Assay
On August 21, Clinical Genomics announced they have implemented QIAGEN’s PAXgene circulating cell-free DNA tube blood sample collection in its Colvera colorectal cancer recurrence assay. Colvera, an integrated liquid biopsy solution, is designed to enable easy and accurate...
Nodal Stage Migration and Prognosis in Anal Cancer
In a study reported in The Lancet Oncology, Sekhar et al found that the increasing proportion of lymph node–positive disease associated with enhanced detection techniques has led to nodal stage migration in anal cancer, which may reduce prognostic discrimination on the basis of lymph node...
Colorectal Cancer Mortality Rates in Adults Aged 20 to 54 Years From 1970 to 2014
In a research letter to JAMA, Siegel et al reported that overall colorectal cancer mortality rates have declined in the United States between 1970 and 2014 in patients aged 20 to 54 years but increased in white persons in this age group between 2004 and 2014. Study Details In the study,...
Imaging and Biomarker Test Could More Accurately Predict Longer-Term Patient Response to Regorafenib in Colorectal Cancer
Administering a magnetic resonance imaging (MRI) scan and a blood test to patients with metastatic colorectal cancer may help to select those who would benefit from a targeted cancer treatment, a new study published by Khan et al in Gutreported. Researchers found that after only 2 weeks on the...
Nivolumab in Advanced DNA Mismatch Repair–Deficient or Microsatellite Instability–High Colorectal Cancer
The phase II CheckMate 142 trial has shown that nivolumab (Opdivo) produces durable responses in recurrent or metastatic DNA mismatch repair–deficient (dMMR)/microsatellite instability–high (MSI-H) colorectal cancer. These study findings were reported in The Lancet Oncology by Overman...
FDA Approves Nivolumab in MSI-H or dMMR Metastatic Colorectal Cancer
Today, the U.S. Food and Drug Administration (FDA) approved nivolumab (Opdivo) injection for intravenous use for the treatment of adult and pediatric (12 years and older) patients with microsatellite instability–high (MSI-H) or mismatch repair deficient (dMMR) metastatic colorectal cancer...
FDA Grants Marketing Approval to the Praxis Extended RAS Panel
On June 29, the U.S. Food and Drug Administration (FDA) granted marketing approval to the Praxis Extended RAS Panel, a next-generation sequencing test to detect certain genetic mutations in RAS genes in tumor samples of patients with metastatic colorectal cancer. The test is used to aid in the...
Effect of Salvage Surgery on Survival in Recurrence After Treatment of Rectal Cancer
In a large single-center analysis reported in the Journal of Clinical Oncology, Ikoma et al found that salvage surgery was associated with prolonged survival in patients with lung-only and liver-only recurrence but not in those with locoregional-only recurrence after preoperative chemotherapy and...
ESMO World GI 2017: Right-Sided Colorectal Tumors: An Internal Radiation Advantage
For patients with colorectal cancer that has metastasized to the liver, having a primary tumor on the left side as opposed to the right side of the colon is known to be a significant advantage in terms of treatment response. But a new study, presented by van Hazel et al at the European Society for...
FDA Approves Panitumumab for Use in Wild-Type RAS Metastatic Colorectal Cancer
Today, the U.S. Food and Drug Administration (FDA) approved the supplemental Biologics License Application (sBLA) for panitumumab (Vectibix) for patients with wild-type RAS (defined as wild-type in both KRAS and NRAS as determined by an FDA-approved test for this use) metastatic colorectal cancer...
First-Line Cetuximab vs Bevacizumab Plus Chemotherapy in KRAS Wild-Type Advanced Colorectal Cancer
A phase III trial has shown no significant difference in overall survival with first-line cetuximab (Erbitux) vs bevacizumab (Avastin) plus chemotherapy in patients with advanced or metastatic KRAS wild-type colorectal cancer. These study findings were reported by Venook et al in JAMA. The trial...
Underused Blood Test Could Improve Treatment for Large Swath of Patients With Colon Cancer
A simple blood test could improve treatment for more than one in six patients with stage II colon cancer, suggests new research from the Mayo Clinic. Researchers also discovered that many patients who could benefit from the test likely aren’t receiving it. These findings were published by...
Effect of Postdiagnosis Aspirin and Other NSAIDs on Survival in Colorectal Cancer
As reported by Hua et al in the Journal of Clinical Oncology, long-term survivors of colorectal cancer with KRAS wild-type tumors had improved survival with regular use of any nonsteroidal anti-inflammatory drug (NSAID) post diagnosis. The study involved data from 2,149 patients aged 18 to 74...
ASCO 2017: Impact of Patient Age on Molecular Alterations in Colorectal Tumors
Younger patients with colon cancer appear to have more than three times as many mutations in their tumors as older patients, which could lead to more effective treatment decisions, according to researchers at Georgetown Lombardi Comprehensive Cancer Center. In a new study, they found that tumor...
ASCO 2017: The IDEA Collaboration: Global Study Sets New Risk-Based Standard to Personalize Chemotherapy for Colon Cancer After Surgery
After surgery for lymph node–positive colon cancer (stage III), some patients may need only half of the long-standing standard course of chemotherapy. In an analysis of 6 clinical trials with over 12,800 patients, 3 months of chemotherapy was nearly as effective as 6 months in patients with...
Non–V600 BRAF Mutations in Metastatic Colorectal Cancer
As reported by Jones et al in the Journal of Clinical Oncology, BRAF mutations occurring outside of codon 600 are found in a small proportion of cases of metastatic colorectal cancer and are associated with improved clinical outcome. Study Details The retrospective cohort study involved 9,643...
FDA Grants Accelerated Approval to Pembrolizumab for First Tissue/Site-Agnostic Indication
On May 23, 2017, the U.S. Food and Drug Administration (FDA) granted accelerated approval to pembrolizumab (Keytruda) for adult and pediatric patients with unresectable or metastatic, microsatellite instability–high (MSI-H) or mismatch repair deficient (dMMR) solid tumors that have progressed ...
Racial Differences in Risk of Interval Colorectal Cancer
A population-based cohort study by Fedewa et al investigating whether the risk for interval colorectal cancer—defined as cancer that develops after a negative colonoscopy result but before the next recommended screening—varies by race or ethnicity has found that black patients face a...
ASCO 2017: Chance of Colon Cancer Recurrence Nearly Cut in Half in Patients Who Consume Nuts
An observational study of 826 patients with stage III colon cancer showed that those who consumed 2 ounces or more of nuts per week had a 42% lower chance of cancer recurrence and 57% lower chance of death than those who did not eat nuts. A secondary analysis revealed the benefit of nut consumption ...
ASCO 2017: Healthy Lifestyle After Colon Cancer Diagnosis Helps Extend Survival
A study of 992 patients with stage III colon cancer found that those who reported a healthy lifestyle during and following adjuvant treatment had a 42% lower chance of death and a trend for lower chance of cancer recurrence than those who had less healthy lifestyles. The study will be presented by...
Surveillance and Colorectal Cancer Risk in Patients With Intermediate-Risk Adenomas
A UK retrospective study showed that colonoscopic surveillance was associated with a reduced risk of colorectal cancer among patients with removal of intermediate-risk adenomas. The study was reported in The Lancet Oncology by Atkin et al. Study Details The study involved routine lower...
Delaying Colonoscopy for 9 Months or More After Positive Fecal Screening Test May Increase Risk of Colorectal Cancer
The risk of colorectal cancer increased significantly when colonoscopy was delayed by more than 9 months following a positive fecal screening test, according to a large Kaiser Permanente study published by Rutter et al in the Journal of the American Medical Association. “With this study, we...
Tumor CD274 (PD-L1) Expression and Survival With Aspirin Use in Colorectal Cancer
According to a study reported by Hamada et al in the Journal of Clinical Oncology, postdiagnosis aspirin use was associated with improved survival vs nonuse among patients with colorectal cancer who have lower, but not higher, tumor levels of CD274 (programmed cell death 1 ligand 1; PD-L1). Study...
Perioperative Hepatic Arterial Infusion Pump Chemotherapy After Resection of Colorectal Liver Metastases
A propensity score analysis in a prospectively maintained database at Memorial Sloan Kettering Cancer Center (MSKCC) has shown that use of perioperative hepatic arterial infusion pump chemotherapy after complete resection of colorectal liver metastases is associated with a marked improvement in...
Nomogram for Early Mortality in Metastatic Colorectal Cancer
As reported in the Journal of Clinical Oncology, Renfro et al have derived a nomogram for predicting early mortality in metastatic colorectal cancer using data from more than 20,000 patients in the ARCAD (Aide et Recherche en Cancérologie Digestive) database. Study Details The analysis...
Long-Term Outcome With Combined-Modality vs Systemic Treatment for Unresectable Colorectal Liver Metastases
The long-term follow-up of a phase II trial reported by Ruers et al in the Journal of the National Cancer Institute showed a 42% reduced risk of death among patients with colorectal liver metastases receiving aggressive local treatment plus systemic therapy vs systemic therapy alone. Study Details ...
Long-Term Outcome With Combined-Modality vs Systemic Treatment for Unresectable Colorectal Liver Metastases
The long-term follow-up of a phase II trial reported by Ruers et al in Journal of the National Cancer Institute showed a 42% reduced risk of death among patients with colorectal liver metastases receiving aggressive local treatment plus systemic therapy vs systemic therapy alone. Study Details...
AACR 2017: Minority Patients With Colorectal Cancer Report Higher Burden of Poor Quality-of-Life Than Whites
A study presented by Hildebrandt et al at the 2017 Annual Meeting of the American Association of Cancer Research (AACR; Abstract 990) revealed several findings about racial disparities in health-related quality of life among colorectal cancer patients. Hispanics and blacks had a higher burden of...
AACR 2017: Combination HER2-Targeted Therapy Effective in Heavily Pretreated HER2-Positive Colorectal Cancer
A combination of two HER2-targeted therapies, trastuzumab (Herceptin) and lapatinib (Tykerb), showed clinical benefit in patients with heavily pretreated HER2-positive metastatic colorectal cancer, according to final results from the phase II HERACLES clinical trial, presented by Siena et al at the ...
Nivolumab in Previously Treated Unresectable Metastatic Squamous Cell Carcinoma of the Anal Canal
In a phase II trial reported in The Lancet Oncology, Morris et al found that nivolumab (Opdivo) was active in previously treated unresectable metastatic squamous cell carcinoma of the anal canal. This malignancy is associated with human papillomavirus (HPV) infection, with the rationale for...
Study Finds Sharp Rise in Colon and Rectal Cancers in Young Adults
Although the overall incidence rate of colorectal cancer in the United States has been declining rapidly since the mid-1980s, the decrease has been in older adults. During this same period, incidence rates have been increasing sharply for adults younger than age 50, finds a study by the American...
ASCO-SITC Clinical Immuno-Oncology Symposium: Utility of Biomarkers for Predicting Colorectal Cancer Survival Depends on Tumor Location
A large population-based study suggests that the utility of particular types of tumor-infiltrating lymphocytes (TILs) to predict colorectal cancer survival depends on where the tumor originates in the body. Although prior research has shown an association between high TIL density and longer...
Optimal Time to Assess Response After Chemoradiotherapy in Anal Squamous Cell Carcinoma
In a post hoc analysis of the UK ACT II trial reported in The Lancet Oncology, Glynne-Jones et al found that the best time to assess for complete response to chemoradiotherapy in patients with anal squamous cell carcinoma is at approximately 26 weeks from the start of treatment. In the ACT II...
ASCP/CAP/AMP/ASCO Guideline on Molecular Biomarkers for Evaluation of Colorectal Cancer
As reported in the Journal of Clinical Oncology by Antonia Sepulveda, MD, PhD, of Columbia University, and colleagues, a joint guideline on the use of molecular biomarkers for evaluation of colorectal cancer has been developed by an expert panel from the American Society for Clinical Pathology...
Most Patients Undergoing Elective Colorectal Surgery Receive Inadequate Bowel Preparation to Prevent Postoperative Complications
In the largest study of its kind to date, researchers from Fox Chase Cancer Center and the Lewis Katz School of Medicine at Temple University confirmed that oral antibiotics combined with mechanical bowel preparation were more effective at preventing surgical site infections...
ASCP/CAP/AMP/ASCO Clinical Practice Guideline Focuses on Molecular Biomarker Testing for Patients With Colorectal Cancer
A new, evidenced-based clinical practice guideline on molecular biomarker testing for patients with colorectal cancer identifies opportunities for improving patient outcomes. The American Society for Clinical Pathology (ASCP), the College of American Pathologists (CAP), the Association for...
Potential Suboptimal Use of Guideline-Endorsed Genomic Testing in Non–Small Cell Lung and Colorectal Cancers
In a study reported in the Journal of Oncology Practice, Gray et al found that many medical oncologists did not use genomic testing endorsed by guidelines in place in 2012 and 2013 in patients with non–small cell lung cancer (NSCLC) and colorectal cancer. The study involved a survey of U.S....
Postmenopausal Normal-Weight Women With Poor Metabolic Health May Have Higher Risk for Colorectal Cancer
Few studies have explored the association between metabolic phenotype and colorectal cancer incidence in normal-weight individuals. Now, a study comparing the risk of colorectal cancer in normal-weight postmenopausal women with a metabolically unhealthy phenotype vs those with a metabolically...
Brendan J. Guercio, MD, on Colorectal Cancer and Physical Activity: Impact on Survival
Brendan J. Guercio, MD, of the Dana-Farber Cancer Institute, discusses results from a study of patients with metastatic colorectal cancer who took part in weekly physical activity and its impact on their disease progression and overall survival (Abstract 659).
