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Showing 1751 - 1800HER2 Testing: The Next Chapter
Late last year, the American Society of Clinical Oncology and College of American Pathologists published a comprehensive update of guidelines for HER2 testing,1 the first such update since their initial landmark publication in 2007.2 This new report, summarized in this issue of The ASCO Post,...
Novel Agents Show Activity in Non-Hodgkin Lymphoma
PI3K-mediated activation of downstream effectors allows tumors to escape from negative growth control, and this action may be checked with PI3K inhibitors. At the 2013 American Society of Hematology (ASH) Annual Meeting, researchers reported results in patients with relapsed or refractory lymphoma...
SABCS Highlights Include Findings in Triple-Negative Disease, Protective Effects of Exercise, and the Adherence-Copay Link
The San Antonio Breast Cancer Symposium brings together specialists from all over the world who focus on management of breast cancer. We have covered many of the important presentations in the pages of The ASCO Post and in our online Evening News. Below are summaries of additional noteworthy...
Major Cancer Milestones in History, From ASCO’s CancerProgress.Net
To help tell the story of progress against cancer, ASCO launched CancerProgress.Net in 2011. The site is intended as a resource for media, policymakers, oncologists, advocates, and the public. One central feature of the site is an interactive timeline of major milestones in cancer treatment,...
Telephone Education and Counseling Effective in Programs Targeting Familial/Genetic Cancer Risk Screening
Two studies recently reported in the Journal of Clinical Oncology indicate that telephone-based education or counseling initiatives can be successful in educating individuals at familial or genetic risk of cancer and in inducing these at-risk individuals to undergo recommended screening. In the...
How Decoding the Genomes of Exceptional Responders Is Leading to More Effective Treatment for All Patients With Cancer
In 2012, David B. Solit, MD, Geoffrey Beene Chair and Director of the Center for Molecular Oncology at Memorial Sloan Kettering Cancer Center (MSKCC) in New York, and his colleagues published the results of a phase II study1 of 45 patients with advanced bladder cancer. The purpose of the clinical...
Protein Expression–Based Risk Model for Recurrence in Resected NSCLC
In a study reported in Clinical Cancer Research, Gold and colleagues developed a risk model for recurrence of resected non–small cell lung cancer (NSCLC) based on protein expression and clinical variables. The study involved analysis of samples from 370 patients with NSCLC resected between 2002 and ...
Decreased Diversity of Gut Bacteria Associated With Risk of Colorectal Cancer
In a study reported in the Journal of the National Cancer Institute, Ahn and colleagues found that decreased diversity of gut bacteria and differences in levels of specific bacteria were associated with significantly increased risk of colorectal cancer. The study involved measurement of 16S...
Dual PI3K/mTOR Inhibitor Effective as Radiosensitizer for Glioblastoma
In a study reported in Clinical Cancer Research, del Alcazar and colleagues assessed the effects of the dual PI3K/mTOR inhibitor NVP-BEZ235 as a radiosensitizer in glioblastoma. No DNA double-strand break repair inhibitors have been successful in treating glioblastoma. However, in prior studies in...
Minimal Residual Disease Before and After Transplant: What Does It Mean?
In patients with acute leukemia, outcomes after hematopoietic stem cell transplantation are negatively impacted by the presence of minimal residual disease. However, transplant can prolong survival in patients with minimal residual disease after consolidation, according to two studies presented at...
American Association for Cancer Research Welcomes New Board of Directors, Nominating Committee Members
The members of the American Association for Cancer Research (AACR) have elected five members to serve on the AACR Board of Directors for the 2014–2017 term and four members to serve on the Nominating Committee for the 2014–2016 term. They assumed their roles at the AACR Annual Meeting 2014, held in ...
Antioxidants Accelerate Lung Cancer Progression and Reduce Survival in Mice
Clinical trials of antioxidants in cancer have yielded inconsistent results. In a study reported in Science Translational Medicine, Sayin and colleagues evaluated the effects of the antioxidants N-acetylcysteine and vitamin E in mouse models of BRAF- and KRAS-induced lung cancer. N-acetylcysteine...
‘How Am I Doing, Doc?’
The goal of effective adjuvant therapy is to increase overall survival. It has been suggested cynically that all we need to accomplish, actually, is to delay recurrence until after the time the patients die from another cause. However, patients want to hear from us that “it’s never coming back,”...
Utah Center for Genetic Discovery to Integrate Genome Data Into Patient Care
The USTAR Center for Genetic Discovery is partnering with California-based Omicia, Inc, to make analyzing a patient’s genome as routine as performing a blood test. The center, codirected by Mark Yandell, PhD, and Gabor Marth, DSc, was launched this month with $6 million from the University of Utah...
Informed Consent: Not Just About Blood Tests and Procedures Anymore
On February 24, the Institute of Medicine National Cancer Policy Forum convened a workshop, “Contemporary Issues in Human Subjects Protection in Cancer Research,” in Washington, DC. In his introduction to the workshop, Steven Piantadosi, MD, PhD, Director, Samuel Oschin Cancer Institute,...
Cancer Research Funding Still Tight—and Getting Tighter
Margaret Foti, PhD, MD (hc), CEO of the American Association for Cancer Research (AACR), welcomed about 150 congressional staffers to a March briefing in Washington, DC, with a plea for increased federal funding. “Extraordinary progress is being made in cancer research today, as evidenced by the...
Preliminary Study Suggests Veliparib May Be Effective in Resistant, BRCA-Mutated Ovarian Cancers
Veliparib, an oral poly(ADP-ribose) polymerase (PARP) inhibitor, appears to be of value in treating women with BRCA-mutated gynecologic cancers that are resistant to other therapies. These preliminary findings of a phase II study support the concept that BRCA-associated ovarian cancers are...
PALOMA-1 Trial Finds Palbociclib/Letrozole Doubles Progression-Free Survival in Metastatic Breast Cancer
First-line treatment with the combination of palbociclib plus letrozole extended progression-free survival by approximately 50% in patients with metastatic estrogen receptor–positive, HER2-negative breast cancer, according to final results of the PALOMA-1 trial, a randomized phase II study...
Adjuvant Chemotherapy Accelerates Pace of Physiologic Aging in Women Treated for Breast Cancer
“Adjuvant chemotherapy for breast cancer is gerontogenic,” accelerating the pace of physiologic aging, according to an analysis of blood and clinical data from 33 women with stage I to III breast cancer. “We have shown that cytotoxic chemotherapy potently induces the expression of markers of...
New p53-Dependent Gene Cooperates With p53 in Tumor-Suppressor Functions
The TP53 tumor-suppressor gene influences genomic stability, apoptosis, autophagy, response to stress, and DNA damage, and identification of new p53-target genes could help elucidate mechanisms through which p53 controls cell integrity and response to damage. As reported in Journal of the National...
DNA Repair Pathway Recombination Proficiency Score Correlates With Tumor Sensitivity to Chemotherapy
As reported in Science Translational Medicine, Pitroda and colleagues developed a recombination proficiency score that measures the efficiency of DNA repair pathways in the context of cancer therapy aimed at generating DNA damage. The score is based on expression levels of four genes involved in...
Epigenetic Reprogramming of HOXC10 Results in Endocrine Resistance in Breast Cancer
Resistance to aromatase inhibitors is a major problem in treatment of estrogen receptor (ER)-positive breast cancer. In a study reported in Science Translational Medicine, Pathiraja and colleagues found pervasive DNA hyper- and hypomethylation and enrichment for promoter hypermethylation of...
Creating a Comprehensive Catalog of Cancer Genes to Improve Patient Outcomes
In January, Eric S. Lander, PhD, Director of the Broad Institute of MIT and Harvard in Cambridge, Massachusetts, and his colleagues published the results from their landmark study,1 which explored the feasibility of creating a comprehensive catalog of cancer genes. The researchers collected and...
Surgical Resection of Newly Diagnosed Glioblastoma: What Is the Standard of Care?
The neurosurgeon is often the gateway provider when patients present with what on magnetic resonance imaging (MRI) appears to be a new glioblastoma. Because histology-based diagnosis is a prerequisite for initiating standard therapy with radiation and chemotherapy, the first question that the...
Forward Progress in Myelodysplastic Syndromes Is Largely in Genetics
Most recent advances in the management of myelodysplastic syndrome (MDS) are in the area of genetics, according to Steven Gore, MD, of Yale University School of Medicine, New Haven. “New genomics research is leading to a better understanding of MDS heterogeneity and disease biology, and may...
FDA Approves First HPV Test for Primary Cervical Cancer Screening
The U.S. Food and Drug Administration (FDA) approved the first human papillomavirus (HPV) DNA test that can be used as a primary cervical cancer screening test for women aged 25 years and older. The test also can provide information about the patient’s risk for developing cervical cancer in the...
Belinostat Moves Forward in Trials for Two Aggressive Cancers
In February, the U.S. Food and Drug Administration (FDA) granted belinostat (Beleodaq), a targeted histone deacetylase (HDAC) inhibitor, priority review status based on a pivotal phase II trial in peripheral T-cell lymphoma. Just 1 month later, researchers at the National Cancer Institute (NCI) in...
MTH1 Inhibition Blocks Sanitation of Deoxyribonucleotide Triphosphate Pool and Causes Cancer Cell Death
Dysfunctional redox regulation in cancer results in production of reactive oxygen species, damaging DNA and free deoxyribonucleotide triphosphates (dNTPs). The MTH1 protein, which is nonessential in normal cells, sanitizes oxidized dNTP pools, preventing incorporation of damaged bases during DNA...
Glioblastoma: Can We Make This Intractable Disease Tractable?
In the clinical array of brain tumors, glioblastoma is the most difficult to treat, and despite decades of research and the advent of new therapies, patients with glioblastoma continue to have a very poor prognosis. Leading brain tumor experts at the recent 25th Annual Cancer Progress Conference in ...
Leading Cancer Researcher and Public Health-Care Expert, Eddie Reed, MD, Dies
In a 2010 interview, Eddie Reed, MD, a pioneer in the molecular pharmacology of DNA-damaging anticancer agents and the clinical development of paclitaxel for ovarian cancer, was asked what lay ahead. Before answering, Dr. Reed first acknowledged the esteemed mentors who gave him their most precious ...
Colorectal Cancer Screening Poised for Change
New screening modalities and the customization of the screening population could soon change the way that screening for colorectal cancer is done. At Digestive Disease Week 2014, the largest gathering of gastrointestinal disease specialists in the world, researchers presented data suggesting that...
Research Insights From the AACR Special Conference on Pancreatic Cancer
Pancreatic cancer still kills 40,000 Americans a year out of approximately 44,000 diagnosed. While advances in diagnosis and treatment are extending the lives of patients with other cancers, pancreatic ductal adenocarcinoma remains the second most lethal tumor (behind lung cancer). While a magic...
Oral Two-Drug Regimen Appears Promising in Phase II Trial of Recurrent Platinum-Sensitive Ovarian Cancer
An all-oral combination of the investigational agents olaparib and cediranib nearly doubled progression-free survival in platinum-sensitive recurrent ovarian cancer in a National Cancer Institute (NCI)-sponsored randomized phase II trial reported at the 2014 ASCO Annual Meeting.1 The toxicity...
Life: Magnified
On June 10, Life: Magnified, an eye-catching photo exhibit of scientific images, opened at Washington Dulles International Airport’s Gateway Gallery in Chantilly, Virginia. The exhibit features 46 high-resolution backlit images of cells from the body, including the brain, blood, eye, skin, liver,...
MTH1 Inhibition Blocks Sanitation of Deoxyribonucleotide Triphosphate Pool and Causes Cancer Cell Death
Dysfunctional redox regulation in cancer results in production of reactive oxygen species, damaging DNA and free deoxyribonucleotide triphosphates (dNTPs). The MTH1 protein, which is nonessential in normal cells, sanitizes oxidized dNTP pools, preventing incorporation of damaged bases during DNA...
Prostate Cancer Biomarkers: Improvement in Predicting Clinically Significant Disease
Prostate cancer will be diagnosed in 233,000 American men in 2014. It is one of the leading causes of death by a cancer (killing ~29,500 men annually).1 Hundreds of thousands of men undergo prostate biopsies each year, most for either benign disease or for a cancer that will never lead to their...
Lung-MAP Trial Debuts—Other Personalized Studies Will Follow
Oncologists now have a means of bringing personalized medicine to advanced squamous cell carcinoma, and it involves a biomarker-driven clinical trial that maximizes the chance of successful treatment and new drug approvals. Lung-MAP (Lung Cancer Master Protocol) is a unique concept in which the...
Belinostat for Relapsed/Refractory Peripheral T-Cell Lymphoma
In the Clinic provides overviews of novel oncology agents, addressing indications, mechanisms, administration recommendations, safety profiles, and other essential information needed for the appropriate clinical use of these drugs. On July 3, 2014, belinostat (Beleodaq) was granted accelerated...
Phase III Trial Shows Improved Survival With TAS‑102 in Metastatic Colorectal Cancer Refractory to Standard Therapies
The new combination agent TAS-102 can improve overall survival compared to placebo in patients whose metastatic colorectal cancer is refractory to standard therapies, researchers reported at the ESMO 16th World Congress on Gastrointestinal Cancer in Barcelona.1 “Around 50% of patients with...
Plasma Tumor DNA Detectable Before and After Surgery in Patients with Early-Stage Breast Cancer
Detecting circulating plasma tumor DNA in patients with early-stage cancer has the potential to influence selection of adjuvant systemic therapy. In a study reported in Clinical Cancer Research, Beaver and colleagues found that plasma tumor DNA could be detected both before and after surgery in...
BRCA2 Inhibits Genome Instability by Preventing R-Loop Accumulation
Genome instability and DNA damage in cancer can be induced by mutations in genes involved in pre-mRNA splicing and biogenesis and export of messenger ribonucleoprotein (mRNP). Instability can be mediated by R-loops formed by DNA-RNA hybrids and displaced single-stranded DNA. The TREX-2 complex is...
Life: Magnified Exhibit Continues to Heighten Public Awareness About Science, On Display and Online
Life: Magnified is an exhibit of scientific images showing cells and other scenes of life magnified by as much as 50,000 times. The exhibit is on display at Washington Dulles International Airport’s Gateway Gallery from June through November 2014. A Web companion is available through NIH here...
Getting Results: How Oncologists and Pathologists Can Work Together to Facilitate Molecular Testing
Advances in molecular testing mean that highly specific information can be detailed about the molecular characteristics of a patient’s tumor, as well as indications of potential responsiveness to targeted therapy. But getting those detailed results from the pathologists can be a challenge to many...
NIH Awards $14.5 Million to Research Groups Studying Newest DNA Sequencing Techniques
A number of microsized technologies, such as nanopores and microfluidics, are among the approaches researchers will use to develop high-quality, low-cost DNA sequencing technology through new grants from the National Institutes of Health (NIH). The grants, which total approximately $14.5 million to ...
Study Finds New Genetic Risk Markers in Pancreatic Cancer
A large DNA analysis of people with and without pancreatic cancer has identified several new genetic markers that signal increased risk of developing the disease, report scientists from Dana-Farber Cancer Institute and other institutions worldwide. The markers are variations in the inherited DNA...
Mucositis Remains a Challenge in Head and Neck Cancer
Chemoradiotherapy for head and neck cancer requires intensive supportive care by a knowledgeable and proactive multidisciplinary team, according to Avraham Eisbruch, MD, Professor of Radiation Oncology at the University of Michigan, Ann Arbor. “Aggressive chemoradiotherapy has improved the cure...
Tackling the Heterogeneity of Triple-Negative Breast Cancer
Triple-negative breast cancer is now recognized as a very complex subtype for which one treatment will not be applicable to all, according to Mohammad Jahanzeb, MD, Professor of Clinical Medicine at the University of Miami and Director of the UM Sylvester Deerfield Campus, who gave an update on...
Expert Point of View: Melinda L. Telli, MD
The potential of individualizing systemic treatment based on BRCA1/2 status has not yet been realized. BRCA1/2 germline status currently does not factor into systemic therapy decisions,” said Melinda L. Telli, MD, of Standard University School of Medicine, Palo Alto, California, who discussed the...
Studies Assess Response to Platinum Therapy in Triple-Negative Breast Cancer
Studies in triple-negative breast cancer presented at the 2014 ASCO Annual Meeting sought to determine predictors of response to platinum agents. One identified a subset of responders to neoadjuvant chemotherapy, but prediction proved more elusive in metastatic disease. Neoadjuvant Carboplatin The...
Pioneer in Fight Against Tobacco, Emanuel Farber, MD, PhD, Dies at 85
On December 11, 1969, a soft-spoken pathologist wearing outsized spectacles answered a long and complex series of questions by the legal team representing Liggett & Myers Tobacco Company, the maker of Chesterfield cigarettes. The tobacco lawyers contended that one Leslie Thayer—a lifelong...
