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Showing 1001 - 1050FDA Approves New Dosing Regimen for Cetuximab in Colorectal Cancer, Head and Neck Cancer
On April 6, the U.S. Food and Drug Administration (FDA) approved a new dosage regimen for cetuximab (Erbitux) of 500 mg/m2 as a 120-minute intravenous infusion every 2 weeks for patients with KRAS wild-type, EGFR-expressing colorectal cancer or squamous cell carcinoma of the head and neck. This...
Is Tumor Mutational Burden Alone Sufficient to Predict Response to Immunotherapy?
In a letter to the editor published in The New England Journal of Medicine, Benoit Rousseau, MD, and colleagues presented evidence that high tumor mutational burden (TMB) alone is not sufficient to predict improved outcomes with immune checkpoint inhibitor therapy in patients with solid tumors. As...
Does Consumption of Ultra-Processed Food and Drink Increase Colorectal Cancer Risk?
Consumption of ultra-processed food and drink could increase the risk of developing colorectal cancer. This was the conclusion of a large study published by Romaguera et al in Clinical Nutrition based on questionnaires about food behaviors completed by around 8,000 people in Spain. The study, the...
ASCO Names Advance of the Year: Molecular Profiling Drives Progress in Gastrointestinal Cancers
Molecular profiling allows clinicians to identify the molecular and genetic signatures that help to deliver treatments that are highly specific to a tumor. This tool has made possible a number of advances in the past year that are improving care for patients with gastrointestinal cancers. In...
Solving the Mystery of Why Colorectal Cancer Is on the Rise in Young Adults
Excluding skin cancer, colorectal cancer is the third most prevalent and lethal cancer among both men and women in the United States.1 Although the risk of developing colorectal cancer increases with age—more than 90% of cases occur in people aged 50 or older2—recent research shows that the...
Novel Therapies and New Indications for Use in the Treatment of Gastrointestinal Cancers
The past year has witnessed the U.S. Food and Drug Administration (FDA) approval of a number of novel drugs and new indications for treating patients with gastrointestinal malignancies. A summary of these approvals is provided herein. Nivolumab plus ipilimumab: On March 10, 2020, the FDA granted...
Molecular Testing in Metastatic Colorectal Cancer: Understanding How, When, and What to Profile
“In line with the emergence of targeted therapies, molecular biomarker testing in metastatic colorectal cancer has evolved over the past decade,” noted Jeanne Tie, MD, MBChB, FRACP, who acknowledged there is confusion about the best ways to use molecular testing in the clinic. Dr. Tie, who is...
Two Studies Validate Neoadjuvant Chemotherapy With Short-Course Radiotherapy or Long-Term Chemoradiotherapy in Locally Advanced Rectal Cancer
In the treatment of resectable, locally advanced rectal cancer, researchers are trying to identify the most effective chemotherapy regimens, the best radiotherapy approaches, and the optimal sequence of these modalities. Two phase III trials presented during the ASCO20 Virtual Scientific Program...
Expert Point of View: Autumn McRee, MD
DESTINY-CRC01 study discussant, Michael S. Lee, MD, Assistant Professor of Medicine, Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, called the findings “most promising” for the subsequent anti-HER2 treatment of HER2-positive metastatic colorectal cancer. The...
Fam-Trastuzumab Deruxtecan-nxki Shows Benefit in Refractory Colorectal Cancer
Having recently gained approval in metastatic breast cancer, fam-trastuzumab deruxtecan-nxki (T-DXd) is now proving its worth in metastatic colorectal cancer, according to results of the phase II DESTINY-CRC01 study in patients with HER2-positive disease.1 T-DXd is an antibody-drug conjugate...
Expert Point of View: Michael Overman, MD
At the 2021 Gastrointestinal Cancers Symposium, the KEYNOTE-177 investigators updated their previously reported findings by showing further data relating to subsequent lines of therapy after disease progression. Their conclusion was that patients who received pembrolizumab initially still achieved...
KEYNOTE-177: New Analysis Confirms Benefit of Pembrolizumab vs Chemotherapy in Microsatellite Instability–High Advanced Colorectal Cancer
In an updated analysis of the pivotal phase III KEYNOTE-177 trial of pembrolizu-mab for microsatellite instability–high (MSI-H) metastatic colorectal cancer, the benefit of first-line pembrolizumab continued beyond disease progression on the subsequent line of treatment, despite a high crossover to ...
Treating Colorectal Cancer in the Time of COVID-19
The treatment of colorectal cancer has always been something of an art—but never more so than during the COVID-19 pandemic. In the spring of 2020, The ASCO Post asked three experts in this malignancy to share their concerns and their approaches to achieving good patient outcomes while minimizing...
Gastrointestinal Oncology Highlights 2020–2021 Almanac
Cancers of the digestive tract account for 338,090 new cases and 169,280 deaths annually in the United States. Although the overall mortality from these cancers is decreasing, this has been countered by an increase in the incidence of colorectal cancer in young adults. The rising incidence and poor ...
FDA Grants Two New Breakthrough Device Designations for Molecular Residual Disease Test
The U.S. Food and Drug Administration (FDA) granted two breakthrough device designations covering new intended uses of the Signatera molecular residual disease (MRD) test. These new designations will support the development of Signatera through phase III clinical trials as a companion diagnostic to ...
Breast Cancer Susceptibility Genes: Putting the Pieces Together
With the widespread use of multigene panels for germline genetic testing, understanding the cancer risks associated with pathogenic or likely pathogenic variants (ie, mutations) has become increasingly necessary. To identify which genes are breast cancer susceptibility genes, population studies...
Female Breast Cancer Surpasses Lung Cancer as the Most Commonly Diagnosed Cancer Worldwide
Cancer ranks as a leading cause of death in every country in the world, and, for the first time, female breast cancer is the most commonly diagnosed cancer, overtaking lung cancer, according to a collaborative report from the American Cancer Society (ACS) and the International Agency for Research...
Prevent Cancer Foundation Awards Nine New Research Grants
The Prevent Cancer Foundation has announced funding for nine scientists who are researching cancer prevention and early detection. Each scientist is being awarded $100,000 for 2 years. Areas of focus include the pancreas, esophagus, liver, lungs, skin, prostate, colon-rectum, and blood/bone ...
Expert Point of View: Ana Maria Lopez, MD
Session moderator Ana Maria Lopez, MD, Professor and Vice Chair of Medical Oncology, Sidney Kimmel Medical College, Thomas Jefferson University, and Chief of Cancer Services for the Sidney Kimmel Cancer Center, JeffersonHealth New Jersey, commented on the FluFIT presentation. “This presentation...
Evidence-Based Strategy for Improving Access to Colorectal Cancer Screening for Diverse Populations
A novel strategy of combining a drive-by flu vaccination clinic with an opportunity for participants to use a take-home fecal immunochemical test (FIT) increased access to colorectal screening among Black Americans during the COVID-19 pandemic. Results related to access to colorectal cancer...
Hematologic Cancers Increase Risk of COVID-19–Related Death vs Solid Tumors
Patients with cancer are at an increased risk of death due to COVID-19 compared with the general population. And hematologic cancers carry an even greater risk than solid tumors, according to a comprehensive meta-analysis from the Reboot: COVID-Cancer Project presented at the 2021 AACR Virtual...
KRAS Mutation Status May Predict Outcomes After Hepatic Arterial Infusion Pump Therapy for Unresectable Colorectal Liver Metastases
KRAS mutational status in patients with unresectable liver metastases from colorectal cancer predicts a worse response to hepatic arterial infusion (HAI) pump chemotherapy, according to research presented by Kolbeinsson et al at the Society of Surgical Oncology 2021 International Conference on...
Circulating Hybrid Cells May Help to Monitor Treatment Response in Patients With Rectal and Esophageal Cancers
An analysis of 58 peripheral blood specimens from patients with rectal and esophageal cancers demonstrated that circulating hybrid cells may be a novel, noninvasive biomarker with potential for monitoring treatment response and disease progression to help guide decisions for further therapy,...
Use of Chemotherapy and Risk of Alzheimer’s Disease in Colorectal Cancer Survivors
In a retrospective cohort study reported in JCO Oncology Practice, Akushevich et al found that receipt of chemotherapy was associated with a reduced risk of Alzheimer’s disease in colorectal cancer survivors. As stated by the investigators, “Evidence on the nature of the relationship between...
Using CT Colonography as a Noninvasive Colorectal Cancer Screening Test for Advanced Neoplasia
According to a report published by Pickhardt et al in the American Journal of Roentgenology (AJR), compared with multitarget stool DNA and fecal immunochemical tests, computed tomography (CT) colonography using a polyp size threshold ≥ 10 mm most effectively targeted advanced neoplasia—preserving...
Fallout From COVID-19: Decline in Cancer Screening and Increase in Cancer-Related Deaths
Various studies at institutions in the United States and abroad have shown a substantial decline in cancer screening rates during the COVID-19 pandemic, suggesting that fewer cancers will be detected by screening and when they do manifest, they will be at more advanced stages. Indeed,...
Overcoming Gender Disparity in Evaluating Sexual Health Following a Cancer Diagnosis
The results from a recent study showcase the disturbing prevalence of sexual dysfunction as a treatment side effect of cancer and gender disparity in how the problem is addressed by physicians.1 The study, conducted by James Taylor, MD, MPH, Chief Resident in the Department of Radiation Oncology at ...
Complete Mesocolic Excision vs D2 Dissection in Patients Undergoing Laparoscopic Colectomy for Right-Sided Colon Cancer
In an analysis of early safety outcomes in a Chinese phase III trial (RELARC) reported in The Lancet Oncology, Xu et al found similar surgical complication rates with complete mesocolic excision vs D2 dissection in patients undergoing laparoscopic colectomy for right-sided colon cancer. The...
Expert Point of View: John C. Krauss, MD
Invited discussant John C. Krauss, MD, Medical Oncology Director of the Multidisciplinary Colorectal Cancer Clinic, Rogel Cancer Center of the University of Michigan, Ann Arbor, said he was impressed by the “rapidity with which the NRG-GI002 trial accrued,” which was about 10 months.1 “Equally...
Study Reports Little Benefit to Adding Pembrolizumab to Neoadjuvant Therapy for Locally Advanced Rectal Cancer
The addition of pembrolizumab to neoadjuvant chemotherapy and radiotherapy (ie, total neoadjuvant therapy) failed to improve a rectal cancer–specific surrogate for survival in patients with locally advanced disease in the phase II NRG-GI002 trial.1 As reported at the 2021 Gastrointestinal Cancers...
New WHO/IAEA Publication Provides Guidance on Radiotherapy Equipment Procurement
New guidance from the World Health Organization (WHO) and the International Atomic Energy Agency (IAEA) on the procurement of radiotherapy equipment could improve access to this life-saving cancer treatment option across the world. The new technical guidance aims to ensure that the selection of...
Expert Point of View: Michael Overman, MD
At the 2021 Gastrointestinal Cancers Symposium, the KEYNOTE-177 investigators updated their previously reported findings by showing further data relating to subsequent lines of therapy after disease progression. Their conclusion was that patients who received pembrolizumab initially still achieved...
KEYNOTE-177: New Analysis Confirms Benefit of Pembrolizumab vs Chemotherapy in Microsatellite Instability–High Advanced Colorectal Cancer
In an updated analysis of the pivotal phase III KEYNOTE-177 trial in microsatellite instability–high (MSI-H) metastatic colorectal cancer, the benefit of first-line pembrolizumab continued beyond disease progression on the subsequent line of treatment, despite a high crossover to immunotherapy for...
ASCO Names Advance of the Year: Molecular Profiling Drives Progress in Gastrointestinal Cancers
Molecular profiling allows clinicians to identify the molecular and genetic signatures that help to deliver treatments that are highly specific to a tumor. This tool has made possible a number of advances in the past year that are improving care for patients with gastrointestinal cancers. In...
Cancer on the Global Stage: Incidence and Cancer-Related Mortality in Kenya
The ASCO Post is pleased to continue this occasional special focus on the worldwide cancer burden. In this issue, we feature a close look at the cancer incidence and mortality rates in Kenya. The aim of this special feature is to highlight the global cancer burden for various countries of the...
I Let Science, Not Emotion, Dictate My Treatment
I had my first experience with cancer when I was just 3 or 4 years old and complained to my mother that my “tummy hurt.” I was diagnosed with Wilms tumor, the same cancer my 18-month-old brother died of before I was born. I remember being in the hospital for weeks at a time and being known by...
Ongoing Surveillance and Efforts to Reduce Smoking and Obesity Needed to Lower Cancer Survivors’ Risks of New Cancers
The risk of developing or dying of a new primary cancer, particularly those cancers associated with smoking and obesity, was greater among survivors of adult-onset cancers than the expected risk in the general population, according to an analysis of data from more than 1.5 million cancer...
COVID-19 and Cancer: A Toxic Combination
COVID-19 has caused 475,000 deaths in America, disproportionately among communities of color, poverty, immigrants, and older age. It has exposed a variety of inequities within our health-care system. However, the patients at greatest risk of death from COVID-19 are those with cancer. While 1.8% of...
Responses to Anti–PD-1/PD-L1 Immunotherapy in Patients With MSS Solid Tumors and High Tumor Mutational Burden
In a single-institution study reported in JAMA Oncology, Valero et al found that response rates to anti–PD-1 or anti–PD-L1 treatments in patients with microsatellite-stable (MSS) solid tumors were generally higher among those with high tumor mutational burden (TMB) defined as ≥ 10...
Addition of Primary Tumor Resection to Chemotherapy for Asymptomatic Primary Colorectal Cancer Tumors and Synchronous Unresectable Metastases
In a Japanese phase III trial (JCOG1007; iPACS) reported in the Journal of Clinical Oncology, Kanemitsu et al found that the addition of primary tumor resection to chemotherapy did not improve overall survival vs chemotherapy alone in patients with asymptomatic primary colorectal cancer tumors and...
New Report Says Cancer and Its Therapies May Impair Survivors' Ability to Work
Although cancer survivors are living longer, cancer and its treatment can result in long-lasting or late-onset impairments that may affect their ability to work, according to a new report from the National Academies of Sciences, Engineering, and Medicine entitled Diagnosing and Treating Adult...
Can a High-Carbohydrate Diet Increase the Risk for Breast Cancer?
A growing body of evidence is showing a strong association between diet and breast cancer risk and survival, particularly high glycemic load and sugar intake. Two large population studies at the 2020 San Antonio Breast Cancer Symposium supported these observations.1,2 Findings from the Nurses’...
Expert Point of View: John C. Krauss, MD
The invited discussant of the GARNET study, John C. Krauss, MD, Medical Oncology Director of the Multidisciplinary Colorectal Cancer Clinic, Rogel Cancer Center of the University of Michigan, Ann Arbor, observed that “impressive” response rates to dostarlimab were demonstrated in a “relatively...
Anti–PD-1 Antibody Dostarlimab Active in Mismatch Repair–Deficient Gastrointestinal Tumors
Dostarlimab, a monoclonal antibody targeting PD-1, showed antitumor activity in patients with mismatch repair–deficient (dMMR) gastrointestinal tumors in the phase I GARNET study, reported at the 2021 Gastrointestinal Cancers Symposium by Thierry André, MD, of Sorbonne University and Saint-Antoine...
Expert Point of View: Michael J. Overman, MD
The study’s invited discussant, Michael J. Overman, MD, Professor of Gastrointestinal Medical Oncology at The University of Texas MD Anderson Cancer Center, Houston, said the findings of the study presented by Henriksen et al1 add to a convincing body of data showing that “the use of circulating...
Predicting Postoperative Recurrence in Stage I to III Colorectal Cancer With Circulating Tumor DNA
Patients with stage I to III colorectal cancer who have a high risk for recurrence may be identified by serial testing of circulating tumor DNA (ctDNA) after resection, according to a study in which ctDNA proved more reliable than carcinoembryonic antigen (CEA) surveillance or standard radiologic...
Stereotactic Ablative Body Radiotherapy in Extracranial Oligometastatic Cancers
In a registry-based observational study reported in The Lancet Oncology, Anastasia Chalkidou, PhD, and colleagues found that stereotactic ablative body radiotherapy (SABR) was associated with high overall survival and low rates of toxicity in patients with extracranial oligometastatic cancers. The...
Delay in Time Between Abnormal At-Home Screening and Colonoscopy May Increase Colorectal Cancer Risk
At-home tests, which measure blood in stool as a potential marker for colon cancer, are often used for colorectal cancer screening. Usage of these tests has increased during the COVID-19 pandemic as patients try to avoid clinical visits. However, effectiveness of these screening tools, along with...
