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colorectal cancer

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...

Colorectal Cancer

Expert Point of View: Steven J. Cohen, MD, and Josep Tabarnero, MD, PhD

STEVEN J. COHEN, MD, Director of the Rosenfeld Cancer Center at Jefferson Health/Abington Hospital, Abington, Pennsylvania, and Vice Chair of Medical Oncology at Sidney Kimmel Cancer Center at Jefferson, and Josep Tabernero, MD, PhD, Head of Medical Oncology and the Gastrointestinal Tumors and...

Colorectal Cancer

Tumor ‘Sidedness’ in Colon Cancer: Studies Look for Explanations

TUMOR “SIDEDNESS” in colon cancer has become a topic of great interest, after right-sided tumors were shown to have a worse prognosis than left-sided ones and biologics were found to differ in efficacy based on side. At the 2017 ASCO Annual Meeting, studies explored why this might be so.  Three...

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...

colorectal cancer

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...

Colorectal Cancer

FDA Approves Panitumumab for Use in Wild-Type RAS Metastatic Colorectal Cancer

On June 30, 2017, 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

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...

colorectal cancer

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...

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...

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...

Colorectal Cancer

ASCP/CAP/AMP/ASCO Colorectal Cancer Biomarker Guideline: A Clinician's Perspective

The joint American Society for Clinical Pathology (ASCP), College of American Pathologists (CAP), Association for Molecular Pathology (AMP), and ASCO guideline reported by Sepulveda et al, and reviewed in this issue of The ASCO Post, represents a collaboration of three pathology societies and ASCO ...

Colorectal Cancer

ASCP/CAP/AMP/ASCO Guideline on Molecular Biomarkers in Colorectal Cancer

As reported in the Journal of Clinical Oncology by Antonia R. 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...

colorectal cancer

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...

Colorectal Cancer

Expert Point of View: Cathy Eng, MD, FACP and Alfred Neugut, MD, PhD

Cathy Eng, MD, FACP, the Sophie Caroline Steves Distinguished Professor in Cancer Research at The University of Texas MD Anderson Cancer Center, Houston, said the trial demonstrates “the challenge of analyzing six individually conducted studies in a pooled analysis.”  The study’s “potential...

lung cancer
colorectal cancer

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.

colorectal 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)

Solid Tumors
Colorectal Cancer

FDA Approves 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...

Colorectal Cancer

Expert Point of View: Manish Shah, MD and Daniel F. Hayes, MD, FACP, FASCO

Manish Shah, MD, Director of Gastrointestinal Oncology at NewYork-Presbyterian and Weill Cornell Medicine, was impressed with the findings of the two subanalyses of CALGB 89803.  “The study found a 46% reduction in the risk of recurrence with two servings of tree nuts a week, and that’s more than ...

Colorectal Cancer

Tree Nut Consumption May Improve Outcomes in Stage III Colon Cancer

Tree nut consumption, as well as a generally healthy lifestyle, significantly reduced the risk of cancer recurrence and death in patients with stage III colon cancer treated in the Cancer and Leukemia Group B (CALGB) 89803 trial, researchers reported at the 2017 ASCO Annual Meeting. Two subanalyses ...

colorectal cancer

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...

colorectal cancer

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)

colorectal cancer

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)

colorectal cancer

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...

colorectal cancer

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)

colorectal cancer

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...

Survivorship
Colorectal Cancer

Expert Point of View: Patrick S. Sullivan, MD

”This was a great study and novel, asking what longer-term survivors with colon cancer are dying from—the toxicity of our treatment or population-risk illnesses?” commented session co-moderator, Patrick S. Sullivan, MD, Assistant Professor of Surgery and Chief Quality Officer, Division of Surgical ...

Survivorship
Colorectal Cancer

Common Causes of Death Predominate Among Long-Term Colorectal Cancer Survivors

Patients with colorectal cancer who survive at least 5 years are increasingly likely to die from causes that are common in the general population, highlighting the importance of screening and lifestyle modification, suggested a large cohort study conducted in California.1 The analysis of more than...

colorectal cancer
solid tumors

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 ...

Hematologic Malignancies
Breast Cancer
Lung Cancer
Kidney Cancer
Sarcoma
Bladder Cancer
Colorectal Cancer
Multiple Myeloma
Genomics/Genetics

NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines®): 2017 Guidelines

NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines®): 2017 Guidelines In 1996, the National Comprehensive Cancer Network® (NCCN®) published its first set of Clinical Practice Guidelines in Oncology®, covering 8 tumor types. Guidelines are now published for more than 60 tumor types and...

colorectal cancer

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...

colorectal cancer

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 ...

colorectal cancer

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...

colorectal cancer

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...

colorectal cancer

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...

colorectal cancer

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...

colorectal cancer

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...

colorectal cancer

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...

colorectal cancer

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 ...

colorectal cancer

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...

Colorectal Cancer

Expert Point of View: Kelly M. McMasters, MD, PhD

“Several gene-expression profiles have been evaluated to predict prognosis in colorectal cancer, but none have become widely accepted or U.S. Food and Drug Administration–approved. This has important implications for deciding which patients may benefit from adjuvant chemotherapy,” commented...

Colorectal Cancer

Machine Learning Model Predicts Colorectal Cancer Recurrence

A machine learning model that uses a set or ensemble of algorithms has good accuracy for predicting colorectal cancer recurrence, investigators reported during a plenary session at the 2017 Society of Surgical Oncology (SSO) Annual Cancer Symposium.1 Persistent key questions in managing early...

Colorectal Cancer

Expert Point of View: Rodrigo Dienstmann, MD

“This is one of the most beautiful stories we have in translational precision oncology research in colorectal cancer. We have robust preclinical data, rigorous molecular diagnosis, and successful clinical results,” said formal discussant of this trial, Rodrigo Dienstmann, MD, of Vall D’Hebron...

Colorectal Cancer

Dual HER2 Targeting of HER2-Positive Metastatic Colorectal Cancer Shows Clinical Benefit

The combination of trastuzumab (Herceptin) plus lapatinib (Tykerb) achieved positive results in patients with heavily pretreated, HER2-positive metastatic colorectal cancer, according to the final results of the phase II HERACLES-A trial. This two-pronged, HER2-directed approach achieved clinical...

Colorectal Cancer

Expect Questions About Colorectal Cancer Among Younger Adults

Publicity surrounding a recent study showing a sharp increase in colorectal cancer among young people, even those in their 20s,1 may result in increased patient visits and questions. Among people aged 20 to 39, colon cancer rates have increased 1% to 2.4%, and rectal cancer rates have increased...

Gastrointestinal Cancer
Colorectal Cancer
Issues in Oncology

Increased Recognition of Colorectal Cancer in Young Adults, Even Those Aged 20 to 29, as Evidence Continues to Accumulate

The incidence of colorectal cancer continues to increase among young adults, with the sharpest increase among those aged 20 to 29, according to a recent article in the Journal of the National Cancer Institute.1 This trend has been called disturbing and ominous, but the widely reported results of...

colorectal cancer

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...

colorectal cancer

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 ...

Colorectal Cancer

Reducing Debilitating Symptoms of Advanced Colorectal Cancer

In a phase III trial reported in The Lancet Oncology, Tamas Hickish, MD, of Poole Hospital NHS Foundation Trust, Dorset, England, and colleagues found that treatment with MABp1, an antibody that targets interleukin 1α and exhibits antitumor activity, was associated with improvement in the composite ...

Colorectal Cancer

Expert Point of View: Manish A. Shah, MD

Manish A. Shah, MD, Director of Gastrointestinal Oncology at NewYorkPresbyterian and Weill Cornell Medicine, commented that “the benefit seen in patients who regularly exercise is equal to or better than the benefit seen with some chemotherapy drugs,” although he cautioned that exercise in this...

Colorectal Cancer

Moderate Activity May Improve Overall and Progression-Free Survival in Patients With Metastatic Colorectal Cancer

Patients with metastatic colon cancer who exercise may live longer, according to an analysis of the CALGB/SWOG 80405 trial presented at the 2017 Gastrointestinal Cancers Symposium.1 According to the authors, this is the first study to demonstrate an association between physical activity and...

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