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Showing 2101 - 2150Olaparib Treatment Yields Promising Response Rates in Patients With BRCA Mutation–Associated Cancers
Olaparib, an experimental twice-daily oral cancer drug, produced an overall tumor response rate of 26% in several advanced cancers associated with BRCA1 and BRCA2 mutations, according to a phase II study reported by Kaufman et al in the Journal of Clinical Oncology. The positive response provides...
High Rate of Hepatitis B Reactivation in Chinese Patients Receiving Rituximab for Lymphoma
In a prospective Chinese study reported in the Journal of Clinical Oncology, Seto et al found a 2-year rate of hepatitis B virus (HBV) reactivation of 41.5% in hepatitis B surface antigen (HBsAg)-negative and anti–hepatitis B core antigen antibody (anti-HBc)–positive patients receiving...
Molecular Tumor Markers Could Reveal New Therapeutic Targets for Lung Cancer Treatment
Analysis of 607 small cell lung cancer (SCLC) tumors and neuroendocrine tumors identified common molecular markers among both groups that could reveal new therapeutic targets for patients with similar types of lung cancer, according to research presented at the 2014 Chicago Multidisciplinary...
New Research Shows Association of Kidney Cancer With Use of Aristolochic Acid
New research by the international Cancer Genomics of the Kidney consortium (CAGEKID) reveals an important connection between kidney cancer and exposure to aristolochic acid, an ingredient in some herbal remedies. The findings, published by Scelo et al in Nature Communications, have important...
CD19-Directed CAR T Cells Produce Sustained Remission in Relapsed/Refractory ALL
In a study reported in The New England Journal of Medicine, Maude et al reported achieving sustained remissions in children and adults with relapsed/refractory acute lymphoblastic leukemia (ALL) using autologous CD19-targeted chimeric antigen receptor (CAR)-modified T cells. Study Details In the...
ASCO Endorses Guideline for Molecular Testing to Select Lung Cancer Patients for EGFR and ALK Inhibitor Treatment
ASCO has endorsed the recently developed joint College of American Pathologists (CAP), International Association for the Study of Lung Cancer (IASLC), and Association of Molecular Pathologists (AMP) guideline on molecular testing for selection of patients with lung cancer for EGFR and ALK inhibitor ...
New Mutations Found in Anaplastic Thyroid Cancer Lead to Dramatic Response and Acquired Resistance to Everolimus
A study involving a patient with metastatic anaplastic thyroid cancer who achieved a near-complete response to everolimus (Afinitor) that lasted for 18 months, followed by progressive disease, has revealed a previously unknown mutation in the TSC2 gene and in the mTOR protein. The discovery...
Little Molecular Difference and No Prognostic Effect of Clinical HER2 Status in Context of Intrinsic Breast Cancer Subtypes
In a study reported in the Journal of the National Cancer Institute, Prat et al found that there was little difference in downstream gene or protein expression according to intrinsic breast cancer subtypes among clinical HER2-positive vs -negative breast cancers and that clinical HER2 status did...
RNA Sequencing Could Help Doctors Tailor Unique Prostate Cancer Treatment Programs
Sequencing RNA, not just DNA, could help doctors predict how prostate cancer tumors will respond to treatment, according to research published in the journal Genome Biology. Because a tumor’s RNA shows the real-time changes a treatment is causing, the authors believe that this could be a...
High Concordance Between EGFR Mutations From Circulating-Free Tumor DNA and Tumor Tissue in NSCLC
Epidermal growth factor receptor (EGFR) mutations found in the circulating-free tumor DNA from the plasma of advanced non–small cell lung cancer (NSCLC) patients correlates well with the EGFR mutations from patient-matched tumor tissue DNA, according to new data reported by Douillard et...
Genomic Sequencing Reveals Unique Genetic Alterations in Chromophobe Renal Cell Carcinoma
An international scientific collaboration led by Baylor College of Medicine as part of The Cancer Genome Atlas initiative has revealed clues about genetic alterations that may contribute to a rare form of kidney cancer. The study, which describes the landscape of somatic genomic alterations of...
Multiple Endocrine Neoplasia Type 1 Increases Risk of Breast Cancer
In a study reported in a letter to The New England Journal of Medicine, Dreijerink et al in the International Breast Cancer in MEN1 Study Group identified a high risk of breast cancer in women with multiple endocrine neoplasia type 1 (MEN1). MEN1 is caused by germline mutations in the MEN1...
Comprehensive Molecular Profiling of Lung Adenocarcinoma
The Cancer Genome Atlas Research Network has recently reported its comprehensive molecular profiling of lung adenocarcinoma in Nature. Findings included a high rate of somatic mutations including alterations in tumor-suppressor genes, chromatin-modifying genes, and RNA-splicing genes and suggested...
FDA Approves First Noninvasive DNA Screening Test for Colorectal Cancer
The U.S. Food and Drug Administration (FDA) today approved Cologuard, the first stool-based colorectal screening test that detects the presence of red blood cells and DNA mutations that may indicate the presence of certain kinds of abnormal growths that may be cancers such as colon cancer or...
Genome-Wide Association 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 highly lethal disease, reported scientists from Dana-Farber Cancer Institute. The study by Wolpin et al was published in Nature Genetics. The...
Renowned Pathologist Emmanuel Farber, MD, PhD, Dies
Cancer research lost a pioneer on August 3, 2014, with the passing of Emmanuel Farber, MD, PhD, a renowned pathologist who made fundamental contributions to our understanding of chemical carcinogenesis. Dr. Farber’s studies in experimental pathology demonstrated that chemical carcinogens are...
Blood and Saliva Tests Help Predict Recurrence of HPV-Related Oral Cancer
Physicians at Johns Hopkins have developed blood and saliva tests that help accurately predict recurrences of HPV-linked oral cancers in a substantial number of patients. The tests screen for DNA fragments of the human papillomavirus (HPV) shed from cancer cells lingering in the mouth or other...
PIK3CA Mutation Does Not Predict Outcome in Patients With Luminal Breast Cancer Receiving Endocrine Therapy
In a study reported in the Journal of Clinical Oncology, Sabine et al found that PIK3CA mutation was not an independent predictor of distant relapse-free survival among postmenopausal women with estrogen receptor–positive breast cancer receiving endocrine therapy in the TEAM (Exemestane...
Study Defines Four Molecular Subtypes of Gastric Cancer
Investigators of The Cancer Genome Atlas project have developed a molecular classification that divides gastric cancer into four major genomic subtypes, according to a study published in Nature. They include (1) tumors positive for the Epstein-Barr virus (EBV) that display recurrent PIK3CA...
Noninvasive Image Texture Analysis May Provide Tumor Heterogeneity Information With Prognostic Potential in NSCLC
Noninvasive quantitative computed tomography–based texture analysis can accurately differentiate the presence of a KRAS mutation from pan–wild-type non–small cell lung cancer (NSCLC), based on the results of a study in PLOS ONE. Weiss et al reported that this tumor heterogeneity...
Effects of Aspirin, Hormone Replacement Therapy, Smoking, and BMI on Age- and Cancer-Associated DNA Methylation in the Colon in Women
In a study reported in the Journal of the National Cancer Institute, Noreen et al found that aspirin and hormone-replacement therapy reduced age-related gene promoter DNA methylation, and smoking and high body mass index (BMI) increased methylation in the colonic mucosa in women. Similar...
Study Identifies Novel Genomic Changes in Lung Adenocarcinoma
Researchers from Dana-Farber Cancer Institute, the Broad Institute of MIT and Harvard, and other centers have identified novel mutations in a well-known cancer-causing pathway in lung adenocarcinoma, the most common subtype of lung cancer. Knowledge of these mutations could potentially identify a...
New Screening Approach Identifies Cancer Mutations in Melanoma That May Lead to More Effective Immunotherapies
Although cancer immunotherapy with adoptive transfer of tumor-infiltrating lymphocytes represents an effective treatment for patients with metastatic melanoma, the antigen targets recognized by these effective tumor-infiltrating lymphocytes remain unclear. According to a new study, a novel...
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 (Abstract O-0022). “Around 50%...
Diversity of Intestinal Tract Bacteria Associated With Mortality Outcomes After Stem Cell Transplant, Study Shows
New research published online in Blood suggests that the diversity of bacteria in the gastrointestinal tract of patients receiving stem cell transplants may be an important predictor of their post-transplant survival. Potential Connections Previous studies have shown that the intensive treatment...
Lung-MAP Launches: First Precision Medicine Trial From National Clinical Trials Network
A unique public-private collaboration among the National Cancer Institute (NCI), SWOG Cancer Research, Friends of Cancer Research, the Foundation for the National Institutes of Health (FNIH), five pharmaceutical companies (Amgen, Genentech, Pfizer, AstraZeneca, and AstraZeneca’s global...
Smokers With BRCA2 Mutation Have Increased Risk of Developing Lung Cancer
Around a quarter of smokers who carry a mutation in the BRCA2 gene will develop lung cancer at some point in their lifetime, a large-scale, international study reveals. Scientists described a previously unknown link between lung cancer and a particular BRCA2 mutation, which occurs in around 2% of...
Study Uses Comprehensive Genomic Tumor Testing to Match Lung Cancer Patients With Targeted Therapies
In a recent study by the Lung Cancer Mutation Consortium (LCMC), investigators incorporated tumor genotyping into therapeutic decision-making for patients with lung adenocarcinomas. An oncogenic driver was detected in 64% of tumors from patients in this study. According to data from this study...
Phase II Feasibility Study Tests Four Molecular-Based Hypotheses in Advanced Colorectal Cancer
In a phase II feasibility study (MRC FOCUS3) reported in British Journal of Cancer, Maughan et al used KRAS and BRAF mutation status and topoisomerase-1 expression status to randomly assign patients with advanced colorectal cancer to molecular hypothesis–driven treatment or control treatment. ...
NIH Study Demonstrates That a New Cancer Immunotherapy Method Could Be Effective Against Epithelial Cell Cancers
A new method for using immunotherapy to specifically attack tumor cells that have mutations unique to a patient’s cancer has been developed by scientists at the National Cancer Institute (NCI), part of the National Institutes of Health. The researchers demonstrated that the human immune...
Researchers Identify Enzymes Associated With Chemoresistance in Ovarian Cancer
Inhibiting enzymes that cause changes in gene expression could decrease chemotherapy resistance in patients with ovarian cancer, according to research by Cacan et al. The study investigated the silencing of RGS10 expression in ovarian cells by epigenetics and identified two epigenetic regulators,...
High Preoperative Hepatitis B Surface Antigen Level Predicts Hepatocellular Carcinoma Recurrence in Patients With Low HBV DNA
In a Chinese study reported in JAMA Surgery, Huang et al found that preoperative elevated hepatitis B virus (HBV) surface antigen (HBsAg) level is an independent risk factor for hepatocellular carcinoma recurrence and mortality in patients with low HBV DNA levels undergoing hepatic resection....
No Apparent Increase in Risk of Oral HPV Infection in Sexual Partners of HPV-Positive Patients With Oropharyngeal Cancer
In a study reported in the Journal of Clinical Oncology, D’Souza et al found that while human papillomavirus (HPV)-positive patients with oropharyngeal cancer had high prevelances of oncogenic oral HPV DNA and oral HPV16 DNA, their sexual partners did not appear to have increased risk of...
Novel DNA Vaccine Generates Immunity Against Tumor Vasculature Protein in Preclinical Study
Researchers from the Abramson Cancer Center and the Perelman School of Medicine at the University of Pennsylvania have employed a novel DNA vaccine that indirectly kills cancer cells by targeting a protein found in the tumor vasculature. The vaccine also indirectly creates an immune response to the ...
FDA Approves First HPV Test for Primary Cervical Cancer Screening
The U.S. Food and Drug Administration (FDA) today 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...
Novel Blood-Based Biomarkers May Predict Breast Cancer Recurrence and Treatment Response
Researchers have developed a quantitative multiplexed methylation-specific polymerase chain reaction assay called cMethDNA for a panel of 10 breast cancer–specific genes. The blood-based assay was found to be highly sensitive in detecting advanced breast cancer and monitoring tumor burden and ...
Gene Sequencing Project Discovers Mutations Tied to High-Grade Gliomas in Young Children
The St. Jude Children’s Research Hospital–Washington University Pediatric Cancer Genome Project has identified new mutations in pediatric high-grade gliomas. The findings by Wu et al were published in Nature Genetics and may lead to improved outcomes for children with these brain...
Study Examines Protein Expression Biomarkers in HPV-Negative Squamous Cell Carcinomas of the Head and Neck
A quartet of proteins that play critical roles in cell replication, cell death, and DNA repair could lead to better targets for therapy against treatment-resistant head and neck squamous cell cancers. In a study presented this week at the American Association for Cancer Research (AACR) Annual...
Deep, Integrated Genomic Analysis Reclassifies Lower-Grade Brain Tumors
Using comprehensive genomic analysis, researchers have sorted low-grade brain tumors into three categories, one of which has the molecular hallmarks and shortened survival of glioblastoma multiforme, the most lethal of brain tumors. The findings were reported at the American Association for Cancer...
Prognosis of HPV-Positive Head and Neck Cancer Varies According to Tumor Site
Patients with cancer of the throat and who are positive for the human papillomavirus (HPV) have a good prognosis, but until now the effect of being HPV-positive on the prognosis of tumors located elsewhere in the head and neck was unknown. A new study presented at the 33rd Conference of the...
New Test Developed to Detect Men at High Risk of Prostate Cancer Recurrence
A new genetic signature to identify prostate cancer patients who are at high risk of their cancer recurring after surgery or radiotherapy has been developed by researchers in Canada, according to a study presented at the 33rd Conference of the European Society for Radiotherapy and Oncology in...
Palbociclib Plus Letrozole Achieves Impressive Results 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 a randomized phase II study presented at the...
Tumor-Suppressor Gene TP53 Mutated in 90% of Osteosarcomas
The St. Jude Children’s Research Hospital–Washington University Pediatric Cancer Genome Project found mutations in the tumor-suppressor gene TP53 in 90% of osteosarcomas, suggesting the alteration plays a key role early in development of the bone cancer. The study by Chen et al was...
Certain Genetic Variants May Help Identify Patients at Increased Risk of Bladder Cancer Recurrence
A new study by Andrew et al published in BJU International suggests that certain inherited DNA sequences may affect the prognosis of patients with bladder cancer. The findings may help physicians identify subgroups of patients with high-risk bladder cancer who should receive more frequent...
Obesity Primes the Colon for Cancer, According to NIH Study
Obesity, rather than diet, causes changes in the colon that may lead to colorectal cancer, according to a study in mice by the National Institutes of Health. The finding bolsters the recommendation that calorie control and frequent exercise are not only key to a healthy lifestyle, but a strategy to ...
DNA Test Can Help Predict Bladder Cancer Recurrence
A DNA methylation marker test performed on patients with noninvasive urothelial carcinoma can predict tumor recurrence with high sensitivity and specificity, according to a study by Su et al. The findings may help eliminate costly and unnecessary invasive exams and reveals the importance of DNA...
FDA Panel Endorses Stool-Based DNA Colon Cancer Test
The U.S. Food and Drug Administration’s (FDA) committee of genetic experts has determined that Cologuard, a stool-based DNA, noninvasive screening test for colorectal cancer, has demonstrated safety, effectiveness, and a favorable risk-benefit profile. The FDA is now considering the...
Prolonged Administration of Azacitidine Improves Response in Myelodysplasia, Less So in Combination With Entinostat
In the phase II US Leukemia Intergroup Trial E1905 reported in the Journal of Clinical Oncology, Prebet et al found that prolonged administration of lower-dose azacitidine produced a high response rate in patients with myelodysplastic syndrome or acute myeloid leukemia (AML) with myelodysplastic...
PARP Inhibitor Veliparib Might Benefit Women With Resistant Gynecologic Cancers and BRCA Mutation
Preliminary research suggests that a targeted oral agent may improve outcomes while minimizing side effects in women with gynecologic cancers who carry a BRCA mutation and whose disease is not responding to other therapies. According to a phase II study presented at the Society of Gynecologic...
Stool Multitarget DNA Test More Sensitive, But Less Specific Than Fecal Immunochemical Test for Colorectal Cancer Screening in Persons at Average Risk
In a study reported in The New England Journal of Medicine, Imperiale et al found that a noninvasive, multitarget stool DNA test—including assays for KRAS mutations, aberrant NDRG4 and BMP3 methylation, β-actin, and hemoglobin—was significantly more sensitive but significantly less ...
