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Showing 701 - 750Nobel Laureate E. Donnall Thomas, MD, Dies at 92
In his 1990 Nobel Prize Lecture, Eduard Donnall Thomas, MD, with characteristic humility, acknowledged that the success he celebrated “was made possible by the work of many others in this and related fields.” Dr. Thomas, whose groundbreaking work in bone marrow transplantation marked a new era in...
Mutational Activation of PI3K-AKT Pathway and Change in HER2 Expression in Trastuzumab-resistant Breast Cancer
Insensitivity of HER2-amplified breast cancer to trastuzumab (Herceptin) has been associated with both changes in HER2 expression and activation of the PI3K-AKT pathway in laboratory studies. Chandarlapaty and colleagues from Memorial- Sloan Kettering Cancer Center in New York and Fox Chase Cancer...
HIV Protease Inhibitor Nelfinavir Selectively Inhibits HER2-positive Breast Cancer Cells
Shim and colleagues from Johns Hopkins School of Medicine in Baltimore, the National Cancer Institute in Bethesda, and Emory University School of Medicine in Atlanta have recently shown that the HIV protease inhibitor nelfinavir (Viracept) is a selective inhibitor of HER2-positive breast cancer...
Role of Glutamate and Effect of Its Blockade in Prostate Cancer
Glutamate plays a role in oncogenic metabolic and signaling pathways. In a recently reported study, Koochekpour and colleagues from the Roswell Park Cancer Institute in Buffalo, NY, investigated potential correlations of glutamate levels with prostate cancer in patients with primary or...
The Ethics of Rationing Cancer Care
Should cost be a consideration when deciding on treatment for patients with cancer, and if so, what kind of ethical dilemma does that pose for oncologists? With U.S. spending on oncology drugs expected to climb more than 20% annually over the next decade—reaching $173 billion by 2020, according to...
Revised Everolimus Dosing and New Safety/Efficacy Data for Approval in Subependymal Giant Cell Astrocytoma
On August 29, 2012, everolimus in a tablet for oral suspension form (Afinitor Disperz) was given accelerated approval for the treatment of pediatric and adult patients with tuberous sclerosis complex who have subependymal giant cell astrocytoma (SEGA) that requires therapeutic intervention but...
I’m Not the Same Person I Was before Cancer
It’s not clear to me—and my doctors can’t say with any certainty—whether taking birth control pills for many years had anything to do with my getting breast cancer 3 years ago, at age 44. But the cancer growing in my left breast was diagnosed as stage I, estrogen receptor–positive. Although I never ...
Physician-Scientist Judah Folkman, MD, Faced Years of Skepticism Before His Theory of Angiogenesis Was Proven
That Moses Judah Folkman would buck tradition, breaking his family’s long line of rabbinical succession and pursuing a career in science and medicine instead, was evident from the time he was a young child. Born in Cleveland on February 24, 1933, the first child of Rabbi Jerome and Bessie Folkman,...
Never a Dull Moment: A Day in the Life of an Oncology Fellow
Oncology fellows represent the future of cancer care, bringing the best and brightest young doctors into a rigorous training environment that molds their future career paths. Due to an impending workforce shortage in cancer care, the public health-care demands placed on today’s oncology fellows...
Oncology Trailblazer James F. Holland, MD, Recalls a Time of Unbridled Scientific Excitement
James F. Holland, MD, began his journey into oncology when it was still a nascent discipline, working alongside groundbreaking pioneers in the field such as Drs. Emil “Tom” Frei and C. Gordon Zubrod. Dr. Holland recently shared a glimpse of his role in oncology’s formative years with The ASCO Post. ...
PET-negative Scan after Short-course Chemotherapy Identifies Early Hodgkin Lymphoma Patients Who Can Forgo Radiation
Positron-emission tomography (PET)-directed therapy is promising for early-stage Hodgkin lymphoma, according to results of the UK NCRI RAPID trial presented at the 54th Annual Meeting of the American Society of Hematology (ASH).1 The use of PET scan enabled the identification of a population of...
Selumetinib/Docetaxel Shows Promising Activity in Previously Treated KRAS-mutant Non-Small Cell Lung Cancer
Currently, there are no approved therapies for KRAS-mutant non–small cell lung cancer (NSCLC), and few clinical trials have been performed specifically in this setting. In a recent article in Lancet Oncology, Pasi A. Jänne, MD, PhD, Scientific Director, Belfer Institute for Applied Cancer Science,...
Genetic and Epigenetic Alterations in Colorectal Cancer and Metastases
Treatment of colorectal cancer is complicated by the potential difference in molecular profiles between the primary tumor and metastases. Miranda and colleagues from the Humanitas Clinical and Research Center in Milan, Italy, recently assessed the presence of molecular heterogeneity during...
Vemurafenib-resistant BRAF-mutant Melanoma
Mutational activation of BRAF is the most prevalent genetic alteration in melanoma, with ≥ 50% of tumors expressing the BRAF(V600E) oncoprotein. Vemurafenib (Zelboraf) produces tumor regression and improved survival in patients with late-stage BRAF-mutated melanoma. However, most patients relapse...
Short Wait for Lab Results Is Reasonable Strategy to Better Characterize AML and Design Therapy
Waiting a short period of time for laboratory results to better characterize acute myeloid leukemia (AML) and design therapeutic approaches is a reasonable strategy, researchers in Toulouse, France, found after a retrospective review of 599 newly diagnosed AML patients treated by induction...
Enhanced Electronic Module Aims to Prevent Errors in Oral Chemotherapy Prescribing
An oral chemotherapy prescription-writing module grafted to a shared electronic medical record is part of a series of quality improvement efforts undertaken at Dana-Farber Cancer Institute in Boston to prevent errors in prescribing oral chemotherapy agents. While oncologists have readily accepted...
Three-marker Assay for Early Detection of Renal Cancer
Early detection of renal cell carcinoma using biomarkers remains challenging. Kim and colleagues recently evaluated a three-marker assay consisting of nicotinamide N-methyltransferase (NNMT), L-plastin (LCP1), and nonmetastatic cells 1 protein (NM23A). After validation of the three-marker assay in...
Mixed-lineage Kinase 4 Interacts with Activated RAS Signaling in Colorectal Cancer
Colorectal cancer that is microsatellite stable but chromosomally unstable is characterized by poor prognosis and remains largely intractable at the metastatic stage. Mutational analysis has shown that the mixed lineage kinase 4 (MLK4) protein kinase is frequently mutated in microsatellite-stable...
Effects of siRNA Combining TGF-β1 Silencing and RIG-I Activation in Pancreas Cancer
Dysregulation of TGF-β signaling promotes tumor growth, invasion, metastasis, and a potent immunosuppressive network in pancreas cancer. A strategy for disrupting the tumor-promoting pathway is the silencing of TGF-β by use of small-interfering (si) RNA. Ellermeier and colleagues found that the...
p53 Inactivation in the Tumor Microenvironment Promotes Tumor Progression via Immunosuppressive Lymphoid-like Stromal Network
Inactivation of the tumor suppressor p53 through somatic mutations is observed in approximately half of cancers. The finding that p53 mutations sometimes occur in tumor-associated fibroblasts and are correlated with an increased rate of metastases and poor prognosis suggests that p53 dysfunction in ...
Neurosurgeon Eric Holland, MD, PhD, joins Fred Hutchinson and University of Washington Medicine; Plans to Develop Brain Cancer Program
Neurosurgeon and brain cancer researcher Eric Holland, MD, PhD, will be joining Fred Hutchinson Cancer Research Center and the University of Washington in summer 2013. Dr. Holland will be Senior Vice President and Director of the Human Biology Division at Fred Hutchinson Cancer Research Center,...
American Association for Cancer Research Honors Award Recipients at Annual Meeting
The American Association for Cancer Research (AACR) named the following as recipients of awards at the recent Annual Meeting. Joseph H. Burchenal Memorial Award for Outstanding Achievement in Clinical Cancer Research Hagop Kantarjian, MD, Chair and Professor in The University of Texas MD Anderson...
Common Deletion in APOBEC3 Genes Associated with Increased Risk of Breast Cancer
Genome-wide association studies have identified numerous genetic susceptibility loci for breast cancer, although these loci explain only a small proportion of heritability. Relatively few studies have assessed associations of breast cancer risk with copy number variation, another important source...
HDAC Inhibition Circumvents EGFR Tyrosine Kinase Inhibitor Resistance Due to BIM Polymorphism
Upregulation of BIM (BCL2L11), a proapoptotic member of the BCL2 protein family, is required for induction of apoptosis by EGFR tyrosine kinase inhibitors in EGFR-mutant forms of non–small cell lung cancer (NSCLC). A BIM deletion polymorphism occurs naturally in approximately 13% of East Asian...
Epithelial-to-mesenchymal Transition and Autophagy Induction in Breast Carcinoma Promote Escape from T-cell–mediated Lysis
Epithelial-to-mesenchymal transition is known to mediate cancer cell invasion, metastasis, and drug resistance, but its impact on cancer immune surveillance is less well defined. In a study reported in Cancer Research, Akalay and colleagues found that epithelial-to-mesenchymal transition and...
C-Reactive Protein Downregulates TRAIL, a Cytokine with Key Role in Cancer Immune Surveillance
C-reactive protein is a biomarker of acute and chronic inflammation that is frequently elevated in patients with cancer. In a study reported in Clinical Cancer Research, Secchiero and colleagues found that increased levels of C-reactive protein were associated with downregulation of TRAIL, a...
Control of Autophagic Cell Death by Caspase-10 in Multiple Myeloma
Multiple myeloma subtypes are driven by a variety of genetic abnormalities. Given the genetic diversity of the disease, identification of oncogenic mechanisms common to all subtypes is highly desirable. In a study reported in Cancer Cell, Lamy and colleagues found that that all multiple myeloma...
Debt and the Oncology Fellow
Despite today’s challenging economy, health care is one field that offers vast career opportunities. Oncology, with the impending workforce shortage, is especially eager for bright young doctors to join its ranks. But the rising costs of medical school can be a deterrent, leading the best and...
New Molecular Testing Guideline for Selection of Lung Cancer Patients for EGFR and ALK Tyrosine Kinase Inhibitor Treatment
A new guideline for molecular testing to select lung cancer patients for treatment with epidermal growth factor receptor (EGFR) and anaplastic lymphoma kinase (ALK) tyrosine kinase inhibitors has been jointly developed by the College of American Pathologists, International Association for the Study ...
Francis Crick's Discovery of the Structure of DNA Transformed 20th Century Biologic Sciences
“My Dear Michael, Jim Watson and I have probably made a most important discovery. We have built a model for the structure of des-oxy-ribose-nucleic-acid, called DNA for short.… In other words we think we have found the basic copying mechanism by which life comes from life,” wrote Francis Crick,...
Making Prevention and Early Detection of Cancer a Priority
Conquering cancer has been the goal of Bert Vogelstein, MD, since he was a teenager in Baltimore. For more than 3 decades, Dr. Vogelstein, Co-Director of the Ludwig Center for Cancer Genetics and Therapeutics and Investigator of the Howard Hughes Medical Institute at Johns Hopkins Medical...
Phase II Trial Targeting Genetic Anomaly in Castration-resistant Metastatic Prostate Cancer Underway
A new clinical trial is testing whether targeting treatments to a genetic anomaly can lead to better treatments for castration-resistant metastatic prostate cancer. The trial, led by investigators at the University of Michigan Comprehensive Cancer Center, is being conducted at 11 sites throughout...
CancerProgress.Net Patient and Advocate Video Series Highlights Value and Impact of Cancer Research
“I’ve been living with melanoma for 7 years.” That’s a statement that, at the outset of her diagnosis, Joanne Maricle would have found surprising. Yet Joanne, who is featured in a video that is part of a new Patient and Advocate Video Series on ASCO’s CancerProgress.Net website, is able to lay...
Study Questions Routine Use of Imaging after Treatment for Diffuse Large B-cell Lymphoma
Most relapses following treatment for diffuse large B-cell lymphoma are detected by abnormalities on physical exam, lab tests, and symptoms—not by routine imaging, according to a study presented at the ASCO Annual Meeting.1 In fact, in a prospective study assessing post-treatment outcomes of...
For Renowned Researcher, Seeing Basic Science Turn into Promising Therapies Is the 'Holy Grail' of Oncology
“From bench to bedside” is a phrase that captures the essence of modern oncology: Researchers at the bench seek to solve the biologic puzzles of cancer that can translate into the development of therapeutics delivered at the bedside. Owen N. Witte, MD, has spent most of his career as a basic bench...
Distinguished Researcher Changed the Face of Hematologic Malignancies
Clara D. Bloomfield, MD, grew up in a steadfastly academic environment that spurned typical children’s entertainment such as comic books or television. Born in New York City during World War II, she moved to Washington, DC, with her family while her father, an expert on labor and industrial...
New Susceptibility Variants for Childhood ALL in Ethnically Diverse Populations
Acute lymphoblastic leukemia (ALL) is the most common cancer in children, and the incidence of the disease varies by ethnicity. Available evidence indicates an inherited predisposition to ALL, but the genetic basis of ALL susceptibility in diverse ancestry has not been examined in detail. Xu and...
Epigenome-wide Study of DNA Methylation in Breast Cancer Using Prospectively Collected Samples
Available data suggest that DNA methylation in blood is a potential epigenetic marker of cancer risk, but this has not been evaluated on a genome-wide scale in prospective studies of breast cancer. Xu and colleagues measured DNA methylation at 27,578 CpG sites (ie, DNA regions where cytosine and...
Synergy of Metformin and Gefitinib in LKB1 Wild-type NSCLC Cell Lines
Clinical resistance to epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor treatment has been observed in lung cancer. The antidiabetic drug metformin has shown significant inhibitory and proapoptotic effects in several cancer models alone and in combination with chemotherapeutic...
Serum miR-21 as Diagnostic and Prognostic Biomarker in Colorectal Cancer
The oncogenic microRNAs miR-21and miR-31 negatively regulate tumor-suppressor genes. Toiyama and colleagues conducted a series of studies to assess their potential as serum biomarkers in colorectal cancer. Screening in medium from two colorectal cancer cell lines and serum analysis in 12 patients...
Elevated Serum miR-1290 May Distinguish Early Pancreatic Cancer
In studies to identify circulating microRNA levels that could distinguish low-stage pancreatic cancer from healthy and disease controls, Li and colleagues, measured 735 microRNAs in pancreatic cancer case and control sera and selected 18 microRNA candidates for validation in an independent set of...
Circulating Tumor Cells with ALK Rearrangement in ALK-positive NSCLC
The diagnostic test for ALK rearrangement in non–small cell lung cancer (NSCLC) for crizotinib (Xalkori) treatment currently uses biopsy or fine-needle aspiration. Pailler and colleagues assessed whether ALK rearrangement could be detected using circulating tumor cells. They analyzed circulating...
Effect of Radium-223 Dichloride in Breast Cancer Bone Metastasis Model
Radium-223 dichloride (Xofigo) is an alpha particle–emitting radiotherapeutic drug that mimics calcium and localizes to areas of high bone turnover, providing targeted therapy for skeletal metastasis. The drug was recently approved for treatment of patients with castration-resistant prostate...
Treating BRAF V600E Colorectal Cancer May Require Concomitant BRAF and PI3K/mTOR Inhibition
BRAF V600E mutations are associated with poor prognosis in colorectal cancer. A study by Coffee and colleagues examined PI3K/mTOR signaling in BRAF V600E colorectal cancer cell lines after BRAF inhibition as well as cell viability and apoptosis after combined BRAF and PI3K/mTOR inhibition. Western ...
Investigational New Drug Application Filed for CFI-400945
Investigators from Princess Margaret Cancer Centre in Toronto and the University of California, Los Angeles, have submitted an Investigational New Drug (IND) application for CFI-400945, a novel drug candidate targeting the enzyme PLK4, which plays a crucial role in cell division. The news was...
More Than 98% of Childhood Cancer Survivors Have Chronic Health Conditions
More than 98% of adult survivors of childhood cancer in a large clinically evaluated cohort had a chronic health condition, including a substantial number of previously undiagnosed problems that are more likely to occur in an older population. “These findings underscore the importance of ongoing...
Rocky Mountain Cancer Centers and St. Anthony Hospital Complete Affiliation for a Comprehensive Oncology Center
Colorado’s Rocky Mountain Cancer Centers, with 20 centers throughout the state, and St. Anthony Hospital have completed an agreement to provide comprehensive inpatient and outpatient cancer services to patients on the St. Anthony Hospital campus in Lakewood, Colorado. Expanded radiation therapy...
Cedars-Sinai Names Award Recipient in Gifted Scholars Program
Cedars-Sinai in Los Angeles, California, recently named Christine R. Carico the 2013 recipient of the Medical Center’s Pauletta and Denzel Washington Family Gifted Scholars Program in Neuroscience award. Ms. Carico will spend the next year researching brain disorders like the one that took the life ...
Can Obinutuzumab Benefit Patients With Rituximab-Refractory Non-Hodgkin Lymphoma?
Obinutuzumab is a glycoengineered type II antibody that differs from type I anti-CD20 antibodies by being associated with actin reorganization and adhesion followed by direct cell death.1 Obinutuzumab has been glycoengineered by reduction in fucose content of the Fc region, which increases its...
California Stem Cell Agency Awards More than $40 Million in New Research Grants, including Funds for Prostate Cancer Research
The California Institute for Regenerative Medicine recently announced approval by the agency’s governing Board, the Independent Citizens Oversight Committee, of $40 million in funding for researchers at 10 institutions as part of its Early Translational IV Research awards. Among the institutions...
