Search Results
Your search for ,DnA matches 2174 pages
Showing 1701 - 1750The Tissue Is the Issue: Choosing Therapy for Lung Cancer
The new guidelines from the College of American Pathologists, International Association for the Study of Lung Cancer, and Association for Molecular Pathology (CAP/IASLC/AMP) are a significant step toward personalized therapy of patients with lung cancer. More than 226,000 new patients per year are...
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...
Mayo Clinic Genomic Analysis Lends Insight to Prostate Cancer
Mayo Clinic researchers have used next-generation genomic analysis to determine that some of the more aggressive prostate cancer tumors have similar genetic origins, which may help in predicting cancer progression. The findings appeared online recently in the journal Cancer Research.1 Gleason...
Higher Fruit and Vegetable Consumption Associated with Reduced Risk of ER-negative Breast Cancer
An analysis of a large pooled data set from the Pooling Project of Prospective Studies of Diet and Cancer reported by Seungyoun Jung, ScD, Channing Division of Network Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, and colleagues in Journal of the National Cancer...
A New Center for Lymphoid Malignancies Aims to Provide Precision Patient Care
In January, New York-Presbyterian Hospital/Columbia University Medical Center opened the Center for Lymphoid Malignancies, a 3,700 square foot outpatient clinic, in the heart of Midtown Manhattan. The Center is solely focused on the treatment of all forms of Hodgkin and non-Hodgkin lymphoma,...
'Matriarch of Modern Cancer Genetics,' Janet D. Rowley, MD, Helped Propel the Field of Molecular Oncology
Even as a child, Janet D. Rowley, MD, found the intellectual order and logic of science appealing. Born on April 5, 1925, in New York, Dr. Rowley’s parents, Hurford and Ethel Ballantyne Davison, moved the family to Chicago 2 years later. Both educators, the Davisons encouraged their only child in...
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...
Improving Treatment and Care for Patients with Primary Brain Cancers
Despite advances in neuroimaging, the development of focused radiation therapy, and more effective chemotherapy, life expectancy for patients with primary malignant tumors of the brain and spinal cord remains stubbornly low at between 15 and 18 months. However, there are significant advances on the ...
Plasma Epstein-Barr Virus DNA a Potential Marker for Treatment Response in Advanced Hodgkin Lymphoma
Plasma Epstein-Barr Virus (EBV) DNA has prognostic significance in Hodgkin lymphoma, both prior to therapy and at 6 months of follow-up, according to results of a study published in Blood. “Plasma EBV-DNA positivity at month 6 is associated with particularly poor outcomes and may serve as an...
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...
Progression of Renal Cell Carcinoma Linked to Shifts in Tumor Metabolism
Investigators in The Cancer Genome Atlas (TCGA) Research Network have uncovered a connection between how tumor cells use energy from metabolic processes and the aggressiveness of the most common form of kidney cancer, clear cell renal cell carcinoma. Their findings demonstrate that normal...
Integrated Genomic Characterization of Endometrial Carcinomas Suggests New Classification Scheme
As recently reported in Nature, investigators in The Cancer Genome Atlas Research Network performed an integrated genomic, transcriptomic, and proteomic characterization of 373 endometrial carcinomas, including 307 endometrioid and 66 serous or mixed histology cases, using array- and...
Expert Point of View: Marc Lippman, MD and C. Kent Osborne, MD
An editorial by Marc Lippman, MD, Leonard M. Miller School of Medicine, University of Miami, and C. Kent Osborne, MD, Breast Center, Baylor College of Medicine, Houston,1 accompanied the study by Dawson and colleagues. These authors commented that the study’s key findings—that variation in the...
Measurement of Circulating Tumor DNA Shows Promise in Monitoring Metastatic Breast Cancer
Management of metastatic breast cancer requires monitoring of tumor burden to assess response to treatment, and there is a need for biomarkers that can measure tumor burden with high sensitivity and specificity. Assays measuring serum cancer antigen (CA) 15-3 and circulating tumor cells have been...
Radium-223 Dichloride for Castration-resistant Prostate Cancer with Symptomatic Bone Metastases
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. Indication On May 15, 2013, radium Ra 223 dichloride (Xofigo) was...
Molecular Landscaping of Acute Myeloid Leukemia: Are We Relearning the Past or Informing the Future?
Acute myeloid leukemia (AML) is a clinically and molecularly heterogeneous disease.1 This concept has been supported by more than 4 decades of studies showing distinct outcomes of subsets of patients that differ in age, disease type (primary vs secondary vs therapy-related), and cytogenetic and...
Genomic and Epigenomic Characterization of Acute Myeloid Leukemia
In a study by the Cancer Genome Atlas Research Network reported in The New England Journal of Medicine, genomes of 200 adult cases of de novo acute myeloid leukemia (AML) were analyzed by whole-genome sequencing (n = 50) or whole-exome sequencing (n = 150) to identify mutations and relationships...
Supreme Court Rules Human Genes May Not Be Patented
On June 13, the U.S. Supreme Court ruled unanimously that isolated human genes may not be patented. However, the creation of synthetic forms of DNA, known as complementary DNA (cDNA), is eligible for patent protection. The decision resolves the question brought before the Supreme Court justices in...
Co-discoverer of DNA Double Helix, James Watson, PhD, Offers a New Theory on Cancer Progression
Despite his fame as co-discoverer—along with Francis Crick, PhD—of the double-helix structure of deoxyribonucleic acid (DNA) in 1953, that accomplishment is not what James Dewey Watson, PhD, came to talk about during a recent presentation he gave at the World Science Festival in New York. Instead,...
New Research Presented in Breast, Gastric, Esophageal Cancers, Melanoma, and Multiple Myeloma, plus Supportive Care
Attendees at the ASCO Annual Meeting are faced with a major challenge of trying to attend as many important sessions as they can over a 4-day period. Our challenge is to feature the major news in The ASCO Post. In addition to our regular comprehensive coverage of key presentations, the following...
Roche Files for Cervical Cancer Primary Screening Indication for cobas HPV Test
Roche recently announced it has submitted a Premarket Approval (PMA) supplement to the FDA seeking the addition of a cervical cancer primary screening indication for the cobas HPV Test. Approval of the expanded indication would mean the cobas HPV Test could be used as the first-line test rather...
SIDEBAR: A Hot Season for Skin Cancer News, So Expect More Questions
An “alarming difference” in survival outcomes between young, non-Hispanic white males and females with primary invasive melanoma (see accompanying article) is one of several skin cancer–related study findings in the news this summer. Other studies have concerned the rising rates of melanoma among...
Dr. Joseph Bertino's Breakthrough Work in Methotrexate Resistance Led to Understanding Why Cancer Drugs Work or Fail
Looking over his 5 decades in clinical oncology and research, Joseph R. Bertino, MD, says his greatest professional satisfaction comes from seeing his former students and oncology fellows go on to achieve great success in their own medical and research careers. It is a fitting sentiment since Dr....
Johns Hopkins Kimmel Cancer Center Announces New Leadership Appointment
Michael A. Carducci, MD, Professor of Oncology and Urology at the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins in Baltimore was recently selected as Associate Director for Clinical Research. In this role, Dr. Carducci will facilitate clinical research activities as well as oversee...
Whole-exome Sequencing of NCI-60 Cell Line Panel Provides Genomic Resource for Cancer Biology and Pharmacology
The NCI-60 cell lines, which represent cancers of the lung, colon, brain, ovary, breast, prostate, and kidney, as well as leukemia and melanoma, are the most frequently studied human tumor cell lines in cancer research and have generated the most extensive cancer pharmacology database worldwide. As ...
Expert Point of View: Judy Garber, MD, MPH
Judy Garber, MD, MPH, Professor of Medicine at Harvard Medical School and Director of the Cancer Risk and Prevention Center at Dana-Farber Cancer Institute, Boston, was the formal discussant of the GeparSixto paper. The rationale for studying platinum in triple-negative breast cancer is clear: The...
Integrating Genomic Sequencing Into Clinical Care
Although the price of next-generation genomic sequencing is coming way down, making it available to more people interested in determining their risk for disease, figuring out how to interpret the results and applying that information in the routine medical care of individual patients remains a...
Molecular Profiling Improves Classification of Nodal Peripheral T-Cell Lymphomas
The differential diagnosis of the most common peripheral T-cell lymphoma subtypes is difficult. In a diagnostic accuracy study reported in the Journal of Clinical Oncology, Pier Paolo Piccaluga, MD, PhD, of the University of Bologna, and colleagues in the European T-Cell Lymphoma Study Group and...
Merkel Cell Carcinoma: Hints of Immune Mediation May Enhance Treatment Options
Merkel cell carcinoma is a rare but aggressive skin cancer with poor outcomes and suboptimal therapeutic options. With a 46% mortality rate, it is three times more lethal than melanoma, and its reported incidence is rising. “Merkel cell carcinoma is a nasty cancer and we have zero FDA-approved...
Researchers Identify Gene Variations in Lung Cancer Patients That May Help Predict an Individual's Treatment Response
Researchers at the Moffitt Cancer Center have identified four inherited genetic variants in patients with non–small cell lung cancer that can help predict survival and treatment response. Their findings, published in Carcinogenesis,1 could help lead to more personalized treatment options and...
The Trials and Tribulations of a Revolutionary Cancer Drug
A modest brass plaque above a booth in the Eagle Pub in Cambridge, notes, “On this spot, on February 28, 1953, Francis Crick and James Watson declared the discovery of DNA with these words: ‘We have discoverewd the secret of life.’” Announcing a major scientific advance over a pint of ale is a far...
The Direction of Immunotherapy Over the Next Decade
The use of immunotherapy to target malignant cells in a variety of cancers—especially the PD-1 inhibitors lambrolizumab and nivolumab in the treatment of metastatic melanoma and the anti–PD-L1 agent MPDL3280A in the treatment of melanoma and lung, kidney, colorectal, and gastric cancers—made...
Postresection Adenovirus-Mediated Gene Therapy Improves Time to Death/Reintervention but Not Survival in Adult Glioblastoma
In an open-label phase III trial (ASPECT) reported in Lancet Oncology, Manfred Westphal, MD, of University Hospital Eppendorf in Hamburg, and colleagues assessed the effects of locally applied adenovirus-mediated gene therapy with sitimagene ceradenovec followed by IV ganciclovir after surgical...
The BEATRICE Study: Where Does Targeting Breast Cancer Vasculature Stand in 2013?
Antiangiogenic strategies using the anti–vascular endothelial growth factor (VEGF) monoclonal antibody bevacizumab (Avastin) gained traction in breast cancer with the publication of the Eastern Cooperative Oncology Group (ECOG) 2100 trial in 2007. That study demonstrated a progression-free survival ...
Platinum Agents in Triple-Negative Breast Cancer: Encouraging New Data
For the treatment of triple-negative breast cancer, there is renewed interest in investigating the role of platinum chemotherapy, according to Melinda L. Telli, MD, Assistant Professor of Medicine at Stanford University, Palo Alto. At the Best of ASCO meeting in Los Angeles, Dr. Telli reviewed the...
Advances in Medical Oncology Over the Next Decade
The next 10 years are expected to usher in unprecedented advances in oncology, including molecularly driven diagnostic and therapeutic developments, whole genome sequencing that results in true precision-based medicine, survivorship care plans that address long-term quality of life concerns, and...
Challenging and Changing the Standard of Care for Cervical and Ovarian Cancers
“It was a very exciting session this year, particularly for cervical cancers,” said Paul Haluska MD, PhD, of the Mayo Clinic, Rochester, Minnesota, in speaking of the 2013 ASCO Annual Meeting’s gynecologic oncology session and the abstracts highlighted recently at Best of ASCO in Chicago. In one...
Telomere Length May Be a Prognostic Marker for Prostate Cancer
Cancer cells are known to have short telomeres, but just how short they are from cancer cell to cancer cell may be a determining factor in a prostate cancer patient’s prognosis, according to a study1 led by scientists at Johns Hopkins. “Doctors are looking for new ways to accurately predict...
What Is on the Horizon in the Management of Breast Cancer?
In Keynote Lectures during the 2013 ASCO Breast Cancer Symposium, experts George Sledge, MD, and Monica Morrow, MD, offered their opinions and outlook on how the medical and surgical management of breast cancer may continue to evolve over the next 5 to 10 years.1 Dr. Sledge is Chief of Oncology at...
Impact of Deficient DNA Mismatch Repair on Disease-Free Survival in Stage III Colon Cancer
In an analysis reported in the Journal of Clinical Oncology, Frank A. Sinicrope, MD, of the Mayo Clinic and North Central Cancer Treatment Group (NCCTG), and colleagues investigated the association of deficient DNA mismatch repair with prognosis in patients with stage III colon cancer treated with...
Obinutuzumab in Previously Untreated Chronic Lymphocytic Leukemia
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. Indication On November 1, 2013, obinutuzumab (Gazyva) was approved...
TP53 Status May Predict Benefit From Cetuximab in Locally Advanced Rectal Cancer
In a retrospective analysis of the randomized phase II EXPERT-C trial, TP53 emerged as a strong, independent predictive biomarker for the benefit of cetuximab (Eribitux) in MRI-defined high-risk, locally advanced rectal cancer, according to Francesco Sclafani, MD, of The Royal Marsden NHS...
National Cancer Policy Summit: Setting Priorities for the Next 3 Years
Welcome to the meeting we hold every 3 years to choose our next projects,” said John Mendelsohn, MD, Chair of the National Cancer Policy Forum and Director of the Khalifa Institute for Personalized Cancer Therapy at The University of Texas M.D. Anderson Cancer Center, Houston. “We have here a...
Centers in Massachusetts Collaborate in Joint Center for Cancer Precision Medicine
The Joint Center for Cancer Precision Medicine, a collaborative initiative among Dana-Farber Cancer Institute, Brigham and Women’s Hospital, Boston Children’s Hospital, and the Broad Institute of MIT and Harvard, has been established to create “precision medicine treatment pathways” for patients...
Increased Ultraviolet Radiation Exposure May Protect Against HL, Particularly in Those With EBV-Positive Disease
Increased exposure to ultraviolet radiation may offer protection against Hodgkin lymphoma (HL), particularly against Epstein-Barr virus (EBV)-positive HL, according to a pooled analysis of studies involving 1,320 HL patients and 6.381 controls. “Our pooled analysis of 7,701 participants from 4...
Cell Mechanism Discovery Key to Stopping Breast Cancer Metastasis
Researchers from Huntsman Cancer Institute at the University of Utah discovered a cellular mechanism that drives breast cancer metastasis, as well as a therapy which blocks that mechanism. The research results were recently published online in the journal Cell Reports.1 “Genetic mutations do not...
Overcoming Drug Development Challenges in the New Era of Cancer Care
While the last 15 years have brought unprecedented advances in oncology drug development, the next 10 years promise to usher in even greater opportunities to realize the goal of precision medicine in the treatment of cancer, providing patients with more effective care and better outcomes. Reaching...
Ongoing NCI-Funded Clinical Trials Actively Recruiting Patients With Advanced Cancer
This issue of The ASCO Post launches a Clinical Trials Resource Guide to increase awareness of NCI-funded phase I, II, and III clinical studies for your patients with advanced cancer. All of the studies are listed on the National Institutes of Health website at ClinicalTrials.gov. The clinical...
