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Showing 101 - 150FDA 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...
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...
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...
David H. Henry, MD, on Advances in Lung Cancer, Colorectal Cancer: Expert Perspective
David H. Henry, MD, of Pennsylvania Oncology Hematology Associates, outlines abstracts focusing on chemotherapy in locally advanced rectal cancer and immune-related toxicity, response to anti–PD-L1 blockade, and epacadostat plus pembrolizumab in lung cancer.
John Marshall, MD, and Qian Shi, PhD, on Colon Cancer: Results of the IDEA Trial
John Marshall, MD, of Georgetown University, and Qian Shi, PhD, of the Mayo Clinic, discuss study findings on shortening the duration of adjuvant oxaliplatin-based therapy, linked to neurotoxicity, for patients with stage III colon cancer. (Abstract LBA1)
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...
Axel Grothey, MD, on Colon Cancer: Results of the IDEA Collaboration
Axel Grothey, MD, of the Mayo Clinic Rochester, discusses study findings on shortening the duration of adjuvant oxaliplatin-based therapy, linked to neurotoxicity, for patients with stage III colon cancer. (Abstract LBA1)
Temidayo Fadelu, MD, on Colon Cancer: Results From the CALGB 89803 Trial
Temidayo Fadelu, MD, of Dana-Farber Cancer Institute, discusses study findings on nut consumption and survival in stage III colon cancer patients. Higher consumption of nuts may be associated with significantly reduced cancer recurrence and death in this group. (Abstract 3517)
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...
Erin Van Blarigan, ScD, on Colon Cancer: The Effect of Diet and Exercise, Results From CALGB 89803
Erin Van Blarigan, ScD, of the University of California, San Francisco, discusses the value of lifestyle recommendations from the American Cancer Society for people who have been diagnosed with colon cancer, including longer disease-free and overall survival. (Abstract 10006)
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 ...
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...
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...
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 ...
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...
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...
Cynthia L. Sears, MD, on Colon Cancer: Keynote Lecture
Cynthia L. Sears, MD, of Johns Hopkins University School of Medicine, summarizes her keynote talk on microbes, microbiota, and colon cancer. Next-generation sequencing combined with biologic studies suggests that most colorectal cancer cases have specific microbiome associations.
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).
Cornelis van de Velde, MD, PhD, on Rectal Cancer: A Database Update
Cornelis van de Velde, MD, PhD, of Leiden University Medical Center, discusses the International Watch & Wait database, established to track evidence on organ-preserving strategies in patients with rectal cancer (Abstract 521). For More Information: www.IWWD.org
Michael J. Overman, MD, on Colorectal Cancer: Updated Results From CheckMate 142
Michael J. Overman, MD, of The University of Texas MD Anderson Cancer Center, discusses study findings on nivolumab alone or in combination with ipilimumab in patients with DNA mismatch repair–deficient/microsatellite instability high metastatic colorectal cancer (Abstract 519).
Cathy Eng, MD, on Anal Squamous Cell Cancer: Management Strategies
Cathy Eng, MD, of The University of Texas MD Anderson Cancer Center, discusses management approaches to anal cancer, including the current standard of care, as well as novel approaches for locally advanced and metastatic disease.
Scott Kopetz, MD, on Colorectal Cancer: Results of the SWOG 1406 Trial
Scott Kopetz, MD, of The University of Texas MD Anderson Cancer Center, discusses study findings on irinotecan and cetuximab with or without vemurafenib in BRAF-mutant metastatic colorectal cancer (Abstract 520).
2017 GI Cancers Symposium: Less Than Half of Recommended Adults Screened for Lynch Syndrome
A team of researchers at Fox Chase Cancer Center found that, despite the recommendation of screening guidelines, less than half of adults younger than 50 years old who have colorectal cancer are being screened for Lynch syndrome, a genetic anomaly that increases the risk of colorectal and several...
2017 GI Cancers Symposium: Watch-and-Wait Approach for Rectal Cancer Appears an Option for More Patients
Real-world data from a large observational study suggests that omitting surgery in strictly selected patients with a clinical complete response does not compromise outcomes in rectal cancer. The 3-year survival rate among patients who received “watch-and-wait” care after initial cancer...
2017 GI Cancers Symposium: Physical Activity May Be Linked to Longer Survival in Advanced Colorectal Cancer
A new analysis of the CALGB 80405 (Alliance) trial suggests that people with metastatic colorectal cancer who are more physically active fare better than those who are less active. In a large clinical trial, patients who at the time of starting chemotherapy reported engaging in physical activity...
Has the Affordable Care Act Reduced Socioeconomic Disparities in Cancer Screening?
Out-of-pocket expenditures are thought to be a significant barrier to receiving cancer preventive services, especially for individuals of lower socioeconomic status. A new study published by Cooper et al in Cancer looked at how the Affordable Care Act (ACA), which eliminated such out-of-pocket...
Blocking ADAM17 Protein May Help to Circumvent Resistance to Cetuximab in Bowel Cancer
Blocking a molecule may bypass bowel cancer's defense against the drug cetuximab, according to new research presented by Weir et al at the National Cancer Research Institute (NCRI) Cancer Conference in Liverpool, United Kingdom. Cetuximab is used to treat advanced bowel cancer, and just under half ...
Study Shows International Trends in Anal Cancer Incidence Rates
A new American Cancer Society study finds that incidence of anal cancer has been increasing in women or in both men and women in 13 of 18 countries studied, particularly in the Americas, Northern/Western Europe, and Australia. The authors say population-based preventive measures, including human...
New Blood Test for Colorectal Cancer Recurrence Is Twice as Sensitive as CEA Test
In a new report published by Young et al in Cancer Medicine, a two-gene circulating tumor DNA (ctDNA) blood test for postsurgical monitoring of colorectal cancer (CRC) recurrence has been shown to detect twice the number of recurrence cases as carcinoembryonic antigen (CEA) testing, a standard of...
ESMO 2016: Longer Interval Between Preoperative Chemoradiotherapy and Surgery Urged in Locally Advanced Rectal Cancer
A longer waiting interval from the end of preoperative chemoradiotherapy to surgery increases the rate of pathologic complete response and yields a higher proportion of patients achieving tumor downstaging in patients with locally advanced rectal cancer, according to new findings from a...
ESMO 2016: Dabrafenib/Trametinib/Panitumumab Improves Efficacy in BRAF Mutation–Positive Metastatic Colorectal Cancer
Patients with metastatic colorectal cancer and tumors harboring the BRAF V600E mutation who received triple therapy with dabrafenib (Tafinlar), trametinib (Mekinist), and panitumumab (Vectibix) showed an improved best overall response and prolonged progression-free survival compared to...
ESMO 2016: Nintedanib Improves Progression-Free Survival but Not Overall Survival in Metastatic Colorectal Cancer
Nintedanib (Ofev) improves progression-free survival but not overall survival in patients with metastatic colorectal cancer who are not responding to standard therapies, according to the results of the phase III LUME-colon 1 trial presented by Van Cutsem et al at the 2016 European Society of...
Derek J. Jonker, MD, on Colorectal Cancer: Results From the CCTG/AGITG CO.23 Trial
Derek J. Jonker, MD, of The Ottawa Hospital Cancer Centre, discusses phase III study findings on napabucasin vs placebo in patients with pretreated advanced colorectal cancer. (Abstract 454O)
Heinz-Josef Lenz, MD, on Colon Cancer: Sidedness and Treatment Update
Heinz-Josef Lenz, MD, of the University of Southern California Norris Comprehensive Cancer Center, discusses the importance of tumor location, and its implications for treatment, in right-sided and left-sided metastatic colon cancer.
Sian A. Pugh, MBBS, on Colorectal Cancer: Long-Term Results of the FACS Trial
Sian A. Pugh, MBBS, of Southampton University Hospital, discusses 6 to 12-year findings on the scheduled use of the CEA tumor marker and CT follow-up to detect recurrence of colorectal cancer. (Abstract 453O)
Retinoic Acid May Suppress Colorectal Cancer Development
Retinoic acid may play a critical role in suppressing colorectal cancer in mice and humans, according to researchers at the Stanford University School of Medicine. Mice with the cancer have lower-than-normal levels of the metabolite in their gut, the researchers found. Furthermore, colorectal...
New ASTRO Clinical Practice Statement Updates Treatment Standard for Rectal Cancer
The American Society for Radiation Oncology (ASTRO) recently issued a new clinical practice statement, “Appropriate Customization of Radiation Therapy for Stage II and III Rectal Cancer: An ASTRO Clinical Practice Statement Using the RAND/UCLA Appropriateness Method.” An executive...
POLE Mutations in Colorectal Cancer May Identify Patients With a Better Prognosis
A collaboration between multiple European institutions has uncovered a correlation between a rare mutation in colorectal cancers and a better prognosis, raising the possibility that patients with such tumors may not require chemotherapy after surgery. Findings were published by Domingo et al in The ...
ESMO Releases New Consensus Guidelines on the Management of Metastatic Colorectal Cancer
The European Society for Medical Oncology (ESMO) has released new consensus guidelines for the management of metastatic colorectal cancer that reflect an increasingly personalized approach to treatment. These guidelines were published by Van Cutsem et al in Annals of Oncology. “Management of ...
World GI 2016: Anti–Interleukin-1 Alpha Antibody MABp1 Improves Outcomes Significantly Over Placebo in Advanced Colorectal Cancer
A novel anti–interleukin-1 alpha antibody has shown a significant impact on symptoms and a high level of safety and tolerability in patients with advanced colorectal cancer, according to phase III data presented by Hickish et al at ESMO’s 18th World Congress on Gastrointestinal Cancer...
World GI 2016: Anti–PD-L1 Immunotherapy Combined With MEK Inhibition Shows Response in Microsatellite-Stable Metastatic Colorectal Cancer
Anti–PD-L1 (programmed cell death ligand 1) immunotherapy may achieve a response in patients with microsatellite-stable metastatic colorectal cancer if combined with a MEK inhibitor, according to phase I data presented at the European Society for Medical Oncology (ESMO) 18th World Congress on ...
Primary Care Visits Result in More Colorectal Cancer Screening, Better Follow-up
People who visit their primary care physicians are more likely to get potentially life-saving colon cancer screenings and follow-up on abnormal stool blood test results—even in health systems that heavily promote mail-in home stool blood tests that don’t require a doctor visit, a study...
Influence of Age and Comorbidities on Rates of Colorectal Cancer Screening in the Elderly
Colorectal cancer (CRC) is a common and costly disease, largely of the elderly, with nearly 25% of cases diagnosed among patients aged 75–84 years. However, but the guidelines for CRC screening of Americans aged 75 or older vary according to the source. In a study published by Klabunde et al...
SNMMI 2016: Pretargeted Radioimmunotherapy Eliminates Colorectal Cancer in Preclinical Studies
Presenters at the 2016 Annual Meeting of the Society of Nuclear Medicine and Molecular Imaging (SNMMI) unveiled a novel radioimmunotherapy that combines a cancer-seeking antibody with potent radionuclide agents, resulting in complete remission of colorectal cancer in mouse models (Scientific Paper...
ASCO 2016: Nivolumab Shows Promise in Refractory, Metastatic Anal Cancer
In the first-ever clinical trial for metastatic patients previously treated for the disease, research led by The University of Texas MD Anderson Cancer Center found that the immune checkpoint inhibitor nivolumab (Opdivo) shows promise for the majority of patients with squamous cell carcinoma of the ...
Heinz-Josef Lenz, MD, and Marc Ychou, MD, on Treating mCRC With Initially Nonresectable Liver Metastases
Heinz-Josef Lenz, MD, of the University of Southern California, and Marc Ychou, MD, of the Centre Régional de Lutte Contre Le Cancer, discuss study findings on FOLFIRINOX combined with targeted therapy according to RAS status for colorectal cancer patients with initially nonresectable liver...
