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Showing 1501 - 1550Helen F. Graham Cancer Center and The Wistar Institute Partner to Expand Research in Gene Editing
To accelerate breakthrough cancer research in the human genome, the Gene Editing Institute at Christiana Care’s Helen F. Graham Cancer Center & Research Institute has entered into an agreement with The Wistar Institute. The agreement expands the historic partnership between the Graham Cancer...
Prevalence of Estrogen Receptor Mutations in Patients With Metastatic Breast Cancer
A new study published online by JAMA Oncology examined the prevalence and significance of estrogen receptor mutations in patients with metastatic breast cancer.1 The activation of the estrogen receptor is a feature of most breast cancers in which estrogen receptor expression is detected. An...
New Preclinical Study Shows Esophageal Cancers Driven by 'Marginal Gain' Rather Than Speed
Wellcome Trust Sanger Institute scientists have shown that unexpectedly, esophageal cancer cells do not divide faster than their normal neighbors. Unlike normal cells, however, the tumor cells produce slightly more dividing daughter cells than nondividing cells, forming a tumor. The study,...
Combination Obinutuzumab Regimen Active in Aggressive Diffuse Large B-Cell Lymphoma
In a small phase Ib/II study, 100% of patients with newly diagnosed diffuse large B-cell lymphoma evaluated thus far responded to treatment with obinutuzumab (Gazyva), lenalidomide (Revlimid), and CHOP (cyclophosphamide, doxorubicin, vincristine, prednisone), investigators from the University of...
Study Finds ‘Bursts’ of Chromosome Changes Fuel Breast Cancer Tumor Growth
As with most cancers, triple-negative breast cancer cells have abnormal amounts of chromosomes or DNA copy number aberrations in their genomes. A new study used single-cell sequencing technology to provide previously unknown details about how and when copy number aberrations impact tumor...
Preclinical Study Finds Etoposide May Damage Developing Ovaries of Female Fetuses
The chemotherapy drug etoposide may have adverse effects on the developing ovaries of female fetuses, according to a preclinical study of mouse cells published by Stefansdottir et al in BMC Cancer. Norah Spears, DPhil, the corresponding study author and Professor of Reproductive Physiology at the...
Study Explores How Breast Cancers Resist Chemotherapy
A laboratory study led by scientists at the National Institutes of Health investigating how BRCA1- and BRCA2-mutant cell breast cancers eventually acquire resistance to DNA-damaging drugs has identified several proteins that promote destabilization of replication forks and contribute to drug...
Internationally Renowned Geneticist, Alfred George Knudson, MD, PhD, Dies
Considered a visionary in cancer research, Alfred George Knudson, MD, PhD, was internationally recognized for his “two-hit theory” of cancer causation, which explained the relationship between hereditary and nonhereditary cancer types, predicting the existence of tumor suppressor genes. Dr. Knudson ...
Multiple Means to Realize the Benefits of Colorectal Cancer Screening
In an updated recommendation statement, the U.S. Preventive Services Task Force (USPSTF) continues to strongly recommend screening for colorectal cancer for asymptomatic adults aged 50 through 75; but rather than emphasize specific screening strategies, it notes there are multiple screening...
The Building Block of Life, Brick by Brick
BookmarkTitle: The Gene: An Intimate HistoryAuthor: Siddhartha Mukherjee, MDPublisher: ScribnerPublication date: May 2016Price: $32.00; hardcover, 608 pagesOn February 28, 1953, James Watson and Francis Crick entered The Eagle, a favorite watering hole for researchers working at the University of...
FDA Advances Precision Medicine Initiative by Issuing Draft Guidances on Next-Generation Sequencing–Based Tests
In support of the President’s Precision Medicine Initiative, on July 6, the U.S. Food and Drug Administration (FDA) issued two draft guidances. When finalized, they will provide a flexible and streamlined approach to the oversight of tests that detect medically important differences in a person’s...
Study Finds New Whole-Exome Sequencing Test Accurately Identifies Actionable Mutations
Exome Cancer Test v1.0 (EXaCT-1), a new whole-exome sequencing test developed by the Englander Institute for Precision Medicine at Weill Cornell Medicine, detected mutations that guide precision cancer treatment with over 95% accuracy, according to a study by Rennert et al published in Genomic ...
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 ...
Discovery of Fragment Length of Circulating Tumor DNA Might Increase Liquid Biopsy Sensitivity
The liquid biopsy may be a welcome reprieve from typical biopsies. The minimally invasive test could reduce the need for the sometimes painful and risky procedures involved in sampling tumors, particularly those that reside deep within the body. However, thus far, the utility of the test has been...
The Metastatic Breast Cancer Project: Direct-to-Patient Research Initiative
A nationwide project is enlisting patients with breast cancer to share their tumor samples and clinical information. Launched in October 2015, the Metastatic Breast Cancer (MBC) Project has enrolled more than 2,000 patients from all 50 states and is yielding information that will be shared with...
Using Social Media to Accelerate Genomic Research
The success of using social media to push forward causes for social good was a driving factor in the launch this past October of the Metastatic Breast Cancer Project (MBC project), which aims to accelerate the understanding of what makes patients with metastatic breast cancer genetically unique....
Internationally Renowned Geneticist, Alfred George Knudson, MD, PhD, Dies
Considered a visionary in cancer research, Alfred George Knudson, MD, PhD, was internationally recognized for his “two-hit theory” of cancer causation, which explained the relationship between hereditary and nonhereditary cancer types, predicting the existence of tumor-suppressor genes. ...
Plasma vs Tissue Genotyping and Outcomes With Osimertinib in Advanced Non–Small Cell Lung Cancer
Patients with advanced non–small cell lung cancer (NSCLC) positive for the epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor T790M resistance mutation on a plasma assay had similar outcomes with the EGFR tyrosine kinase inhibitor osimertinib (Tagrisso) as did those who were...
Shorter Remission Telomere Length Associated With Prolonged Neutropenia After Pediatric AML Treatment
In a study reported in the Journal of Clinical Oncology, Gerbing et al found that prolonged posttreatment neutropenia was associated with shorter chromosomal telomere length in pediatric patients receiving chemotherapy for acute myeloid leukemia (AML). Study Details The study included 53 patients ...
FDA Advances Precision Medicine Initiative by Issuing Draft Guidances on Next-Generation Sequencing–Based Tests
In support of the President’s Precision Medicine Initiative, on July 6, the U.S. Food and Drug Administration (FDA) issued two draft guidances that, when finalized, will provide a flexible and streamlined approach to the oversight of tests that detect medically important differences in a...
Study Finds Incidence of Mutations in DNA-Repair Genes Significantly Higher in Men With Metastatic Prostate Cancer
The incidence of mutations in DNA-repair genes was significantly higher among men with metastatic prostate cancer than among men with localized disease (11.8% vs 4.6%), according to a study by Pritchard et al reported in The New England Journal of Medicine. In addition, the frequency ...
Prevention Needed to Stem Global Rise in Human Papillomavirus–Related Anal Cancer
The incidence rate of human papillomavirus (HPV)-related anal cancer and its precursor lesion, anal intraepithelial neoplasia, is rising in the United States and globally. Although 5-year survival rates in localized disease are generally favorable, survival in metastatic disease remains poor,...
Complexities in the Diagnosis and Management of Amyloidosis
Question 1: What is the next best step for this patient? Correct Answer: C. Determination of amyloid subtype. Expert Perspective Amyloidosis encompasses a heterogeneous group of diseases bound by the characteristic deposition of amyloid fibrils in soft tissues and bone marrow, and it could be...
ASCO Names Founding Editor-in-Chief of JCO Precision Oncology
ASCO recently announced the appointment of James M. Ford, MD, as Editor-in-Chief of the Society’s new journal, JCO Precision Oncology. Dr. Ford will set the scope and vision for the online-only journal, which will publish scientific and educational content that provides a deeper understanding of...
Expert Point of View: David Reardon, MD
“Adjuvant temozolomide does represent a new standard of care for 1p/19q-intact anaplastic glioma patients,” according to David Reardon, MD, Clinical Director at the Dana-Farber Center for Neuro-Oncology and the study’s formal discussant at the 2016 ASCO Annual Meeting. “We see a significant...
CAP, IASLC, and AMP Seek Public Comments on Revised Lung Cancer Molecular Testing Guideline
The College of American Pathologists (CAP), the International Association for the Study of Lung Cancer (IASLC), and the Association for Molecular Pathology (AMP) announced today the open comment period for the revised evidence-based guideline, “Molecular Testing Guideline for Selection of...
Influence of Microbiota of Breast Tissue on the Development of Cancers
Bacteria that have the potential to abet breast cancer are present in the breasts of cancer patients, while beneficial bacteria are more abundant in healthy breasts, where they may actually be protecting women from cancer, according to Gregor Reid, PhD, of the Lawson Health Research Institute, and...
Newly Launched Genomic Data Commons to Facilitate Data and Clinical Information Sharing
The Genomic Data Commons (GDC), a unified data system that promotes sharing of genomic and clinical data among researchers, was launched on June 6 with a visit from Vice President Joe Biden to the operations center at the University of Chicago. An initiative of the National Cancer Institute (NCI),...
Moonshot Program for … Compassion
A 65-year-old patient with widely metastatic pancreatic cancer was emergently transferred to our facility in the early hours of the morning with free air suggestive of a perforated viscus. The patient is from a small town several hundred miles away from our academic center, which can be quite...
Anti–PD-1 Treatment With Pembrolizumab in Gastric/Gastroesophageal Junction Cancers: Who Is Likely to Respond?
Immune checkpoint inhibitors have emerged as one of the most promising new areas of drug development in oncology. Broad activity has been observed for these agents across a spectrum of hematologic malignancies and solid tumors. As reviewed in this issue of The ASCO Post, Muro and colleagues now...
USPSTF Issues New Recommendations for Colorectal Cancer Screening
As reported in JAMA, the U.S. Preventive Services Task Force (USPSTF) has issued new recommendations for colorectal cancer screening. In brief, the USPSTF recommends colorectal cancer screening starting at age 50 years and continuing until age 75 years (grade A recommendation = “The USPSTF...
Expert Point of View: Sumanta K. Pal, MD, and Richard Schilsky, MD
Sumanta K. Pal, MD, an ASCO spokesperson who moderated a press briefing at the 2016 ASCO Annual Meeting, commented that the data provide key insights into the feasibility of “liquid biopsy.” “We’re increasingly using genomic data from day to day in our clinics to guide therapies,” said Dr. Pal....
‘Liquid Biopsy’ Stacks Up Well to Tissue Biopsy in Detecting Tumor-Specific Mutations
So-called liquid biopsy identified cancer mutations in 85% of all advanced tumors, in the largest-ever evaluation of circulating tumor DNA (ctDNA) in the blood.1 In 49% of the cases, these biomarkers were associated with an approved targeted drug, Philip C. Mack, PhD, reported at the 2016 ASCO...
FDA Approves EGFR Mutation–Detecting Blood Test for NSCLC
The U.S. Food and Drug Administration (FDA) recently approved the cobas EGFR Mutation Test v2, a blood-based companion diagnostic for the epidermal growth factor receptor (EGFR) inhibitor erlotinib (Tarceva). This is the first FDA-approved, blood-based genetic test that can detect EGFR gene...
Low-Dose Chemical Exposure and Cancer
According to estimates from the World Health Organization (WHO) and the International Agency for Research on Cancer (IARC), environmental toxic exposures are responsible for between 7% and 19% of human cancers. However, the 2008–2009 President’s Cancer Panel Annual Report estimated that the “true...
PALOMA-3 Trial in HER2-Negative Metastatic Breast Cancer: Challenge of Moving Beyond Estrogen Receptor Positivity
Hormone receptor–positive breast cancer represents the largest therapeutic subgroup of the disease. The development of endocrine therapies has shaped the treatment paradigm for both advanced- and early-stage disease for decades.1 Still, despite their significant impact, advanced breast cancer...
Prolonged Progression-Free Survival With Addition of Palbociclib to Fulvestrant in HER2-Negative Metastatic Breast Cancer
As reported in The Lancet Oncology by Massimo Cristofanilli, MD, of the Robert H. Lurie Comprehensive Cancer Center, Northwestern University, and colleagues, the final results of the phase III PALOMA-3 trial showed that the addition of the CDK4/CDK6 inhibitor palbociclib (Ibrance) to fulvestrant...
Chemotherapy After Radical Prostatectomy May Benefit African Americans and High-Risk Patients
A new U.S. Department of Veterans Affairs (VA) study suggests that African American men and men with a higher tumor stage may benefit from adjuvant chemotherapy following radical prostatectomy.1 According to prespecified analysis of these two “high–risk” subgroups, patients with ≥ T3b disease had a ...
Lisa A. Carey, MD, and Nicholas C. Turner, MD, PhD, on PALOMA-2 and -3 Study Findings in Advanced Breast Cancer
Lisa A. Carey, MD, of the University of North Carolina, and Nicholas C. Turner, MD, PhD, of The Royal Marsden Hospital and Institute of Cancer Research, discuss the efficacy of palbociclib plus fulvestrant in patients with ESR1 mutations in circulating tumor DNA, and palbociclib and letrozole for...
ASCO 2016: New Antibody-Drug Conjugate Shows Early Promise in Small Cell Lung Cancer
Early findings from a first-in-human clinical trial showed that the antibody-drug conjugate rovalpituzumab tesirine (Rova-T) shows promising efficacy against recurrent small cell lung cancer (SCLC). The treatment, which combines a novel anti-DLL3 antibody with a powerful anticancer agent, halted...
ASCO 2016: Innovative Direct-to-Patient Outreach May Accelerate Breast Cancer Research
An innovative project launched in October 2015 may help expedite metastatic breast cancer genomics research and provide leads for development of new treatments. In the 7 months since the launch, more than 2,000 patients have enrolled in the research study designed to collect and...
ASCO 2016: Liquid Biopsy May Help Guide Treatment Decisions for Patients With Advanced Solid Tumors
A large-scale genomic analysis found that patterns of genetic changes detected in blood samples (liquid biopsy) closely mirror those identified in traditional tumor biopsy. With blood samples from more than 15,000 patients and 50 different tumor types, this is one of the largest cancer genomics...
FDA Approves EGFR Mutation–Detecting Blood Test for Non–Small Cell Lung Cancer
The U.S. Food and Drug Administration (FDA) today approved the cobas EGFR Mutation Test v2, a blood-based companion diagnostic for the epidermal growth factor receptor (EGFR) inhibitor erlotinib (Tarceva). This is the first FDA-approved, blood-based genetic test that can detect EGFR gene mutations...
DDW 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...
Physician-Researcher Carolyn Jean Presley, MD, Envisions Enhancing Geriatric Oncology
Carolyn Jean Presley, MD, a Robert Wood Johnson Foundation clinical scholar in medical oncology at the Yale Cancer Center, was born in Duluth, Minnesota, which hugs the north shore of Lake Superior, making it one of the nation’s coldest cities during its long winters. She grew up the middle child...
Atezolizumab in Previously Treated Advanced Urothelial Carcinoma
The recent study by Rosenberg et al in The Lancet—summarized in this issue of The ASCO Post—is a very important paper in the field of bladder cancer therapy.1 It is the first phase II trial in metastatic transitional cell carcinoma that demonstrates the single-agent activity of the...
Gene Rearrangements: Attractive Targets in a Variety of Cancers
Entrectinib, a potent investigational tyrosine kinase inhibitor, exhibited promising clinical activity in a pooled analysis of two phase I trials of patients with solid metastatic tumors that harbored any of five specific genetic rearrangements involving NTRK1, NTRK2, NTRK3, ROS1, or ALK....
Clinically Relevant Mutations Identified Through Sequencing of Cerebrospinal Fluid of Patients With CNS Cancers
Next-generation sequencing identified clinically relevant somatic alterations in cancer-associated genes in the cerebrospinal fluid of patients with central nervous system (CNS) cancers, according to a report by Pentsova et al in the Journal of Clinical Oncology. Somatic Alterations The study...
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...
Characterization of Molecular Differences in Cancer Between Male and Female Patients
It is well known that men and women differ in terms of cancer susceptibility, survival, and mortality, but exactly why this occurs at a molecular level has been poorly understood. A study at The University of Texas MD Anderson Cancer Center reviewed 13 cancer types and provided a molecular...
