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Showing 3801 - 3850NSAID Use May Reduce Risk of Breast Cancer Recurrence in Overweight and Obese Women
Obesity is associated with a worse breast cancer prognosis and elevated levels of inflammation, including greater cyclooxygenase-2 (COX-2) expression and activity in adipose-infiltrating macrophages. Data from a new study finds that overweight and obese women who regularly used aspirin or other...
Largest Cancer Genetic Analysis Reveals New Way of Classifying Cancer
Researchers with The Cancer Genome Atlas (TCGA) Research Network have completed the largest, most diverse tumor genetic analysis ever conducted, revealing a new approach to classifying cancers. The work, published in Cell, not only revamps traditional ideas of how cancers are diagnosed and treated, ...
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...
Results of Genomic Analysis Suggest Strategy for Overcoming Ibrutinib Resistance in Mantle Cell Lymphoma
Although the Bruton tyrosine kinase (BTK) inhibitor ibrutinib (Imbruvica) has shown unprecedented clinical activity in mantle cell lymphoma, about 32% of patients do not respond to the drug and majority of responders eventually relapse. Genomic sequencing of tumor and healthy tissue from patients...
Researchers Identify Irreversible Inhibitor for KRAS Gene Mutation
Cancer researchers at UT Southwestern Medical Center have discovered a molecule that selectively and irreversibly interferes with the activity of a mutated cancer gene common in 30% of tumors. The molecule, SML-8-73-1 (SML), interferes with the KRAS gene, whose proteins influence when cells...
Blocking Tumor-Derived Protein Halts Cachexia in Preclinical Study
New research raises the prospect of more effective treatments for cachexia, a profound wasting of fat and muscle occurring in about half of all cancer patients, raising their risk of death, according to scientists from Dana-Farber Cancer Institute. In a study reported in Nature, Spiegelman et al...
Brain Tumor Invasion Along Blood Vessels May Lead to New Cancer Treatments, Preclinical Study Suggests
Invading glioblastoma cells may hijack cerebral blood vessels during early stages of disease progression and damage the brain’s protective barrier, preclinical study published in Nature Communications indicated. The finding by Watkins et al could ultimately lead to new ways to bring about the ...
Researchers Identify Events Causing Bone Marrow Inflammation Leading to Blood Disorders
According to a new study, a cascade of molecular events in the bone marrow produces high levels of inflammation that disrupt normal blood formation and lead to potentially deadly disorders including leukemia. The discovery, published by the journal Cell Stem Cell, points the way to potential...
Scientists Engineer Nanoparticles to Prevent Bone Cancer, Strengthen Bones
A research collaboration between Dana-Farber Cancer Institute and Brigham and Women’s Hospital has utilized nanomedicine technologies to develop a drug-delivery system that can precisely target and attack cancer cells in the bone, as well as increase bone strength and volume to prevent...
Study of Over 450,000 Women Finds 3D Mammography Detects More Invasive Cancers and Reduces Recall Rates
Researchers found that three-dimensional (3D) mammography (also known as digital breast tomosynthesis) detected significantly more invasive cancers than a traditional mammogram alone and reduced call-backs for additional imaging. Published in JAMA, this is the largest study reported to...
Early Evidence Suggests Proton Therapy May Offer Safe, Long-Term Treatment for Hodgkin Lymphoma
Despite some success in treating patients with Hodgkin lymphoma, many patients may experience late effects of radiation therapy and chemotherapy treatment, including the possible onset of breast cancer or heart disease. A study by Hoppe et al from the University of Florida Proton Therapy Institute...
New Tool Predicts Financial Pain for Cancer Patients
In an online report in the journal Cancer, a team of University of Chicago cancer specialists have described the first tool—11 questions, assembled and refined from conversations with more than 150 patients with advanced cancer—to measure a patient’s risk for, and ability to...
Survey Finds Booming E-Cigarette Online Market
Researchers at the University of California, San Diego, School of Medicine have completed the first comprehensive survey of e-cigarettes for sale online, and the results, they believe, underscore the complexity in regulating the rapidly growing market for the electronic nicotine delivery devices....
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...
Barbara L. McAneny, MD, To Serve as Chair of the AMA Board of Trustees
Barbara L. McAneny, MD, a practicing oncologist from Albuquerque, New Mexico, has been re-elected to the Board of Trustees of the American Medical Association (AMA) and will assume the position of Board Chair when the trustees gather for their first postelection meeting. Dr. McAneny, who has...
ASCO 2014: Ibrutinib Significantly Delays Disease Progression and Extends Survival in Relapsed CLL
Early findings from the phase III RESONATE study indicate that ibrutinib (Imbruvica) produces durable tumor responses and marked improvement in survival over standard ofatumumab (Arzerra) for patients with relapsed chronic lymphocytic leukemia (CLL). “With ibrutinib, about 80% of patients...
Proactive Patient-Centered Program May Reduce the Risk of Lymphedema in Survivors of Breast Cancer
A patient-centered educational and behavioral program focusing on self-care strategies appears to be an effective way to reduce the risk of lymphedema in survivors of breast cancer, according to the results of a prospective study by Fu et al at New York University. These findings, reported in the...
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...
Glutamine Ratio Is Key Indicator of Tumor Aggression in Ovarian Cancer, Study Finds
An analysis of the metabolic profiles of hundreds of ovarian tumors has revealed a new test to determine whether ovarian cancer cells have the potential to metastasize. The study, which was published in Molecular Systems Biology, also suggests how ovarian cancer treatments can be tailored based on...
FDA Discourages Use of Laparoscopic Power Morcellation for Removal of Uterus or Uterine Fibroids
In a safety communication notice issued yesterday, the U.S. Food and Drug Administration (FDA) discouraged the use of laparoscopic power morcellation for the removal of the uterus (hysterectomy) or uterine fibroids (myomectomy) in women because, based on an analysis of currently available data, it...
Unexpected Protein Partnership Has Implications for Cancer Treatment
Scientists have identified two unlikely partners found in macrophages that work together in response to cancer drugs to increase inflammation in a way that may alter tumor growth. The study by Lowe et al was published in Cancer Research. These partners are the p53 protein that suppresses tumors...
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...
Researchers Identify Transcription Factors Distinguishing Glioblastoma Stem Cells
The activity of four transcription factors appears to distinguish the small proportion of glioblastoma cells responsible for the aggressiveness and treatment resistance of the deadly brain tumor. The findings by Suvà et al, published online in Cell, support the importance of epigenetics in...
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...
Study Identifies Frequent Cause of Breast Cancer Resistance to Investigational PI3K-Alpha Inhibitor
Loss of the tumor suppressor PTEN was a frequent cause of resistance to the investigational drug BYL719, which blocks the activity of the PI3K-alpha protein, in a small sample of women with breast cancer that progressed after initially responding to BYL719 treatment, according to results presented...
Study Identifies Potential Predictor of Clinical Outcome in Patients With Lung Cancer Treated With MK-3475
Among patients with non–small cell lung cancer (NSCLC) treated with the investigational immune checkpoint inhibitor MK-3475, those whose tumors had high levels of the protein PD-L1 had significantly better outcomes, according to results of a phase I clinical trial presented at the American...
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...
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...
Digital Mammography Reduces Recall and Biopsy Rates
Population-based screening with full-field digital mammography is associated with lower recall and biopsy rates than screen-film mammography, suggesting that full-field digital mammography may reduce the number of diagnostic workups and biopsies that do not lead to diagnosis of breast cancer,...
Three-Dimensional MRI Scans May Offer More Accurate Way to Predict Survival After Chemotherapy for Liver Tumors
In a series of studies involving 140 American men and women with liver tumors, researchers at Johns Hopkins have used specialized three-dimensional (3D) MRI scans to precisely measure living and dying tumor tissue to quickly show whether highly toxic chemotherapy is working. The investigators said ...
Gene Implicated in Progression and Relapse of Triple-Negative Breast Cancer
Scientists from Weill Cornell Medical College, New York, and Houston Methodist, Houston, have found that a gene previously unassociated with breast cancer plays a pivotal role in the growth and progression of the triple-negative form of the disease. The research by Chen et al, published in Nature,...
Electronic Cigarette Usage Associated With Use of Conventional Cigarettes Among Adolescents
“Use of e-cigarettes does not discourage, and may encourage, conventional cigarette use among US adolescents.” This was the conclusion of a cross-sectional analysis of survey data from a representative sample of middle and high school students who completed the National Youth Tobacco...
Study Finds Oncologists Have Mixed Attitudes on the Use of Genomic Testing
While many cancer researchers believe that predictive somatic genomic testing holds the potential to usher in the era of precision medicine for patients with cancer, research by Gray et al suggests that not all physicians are eager to embrace the technology. The variation in attitudes was in part...
Obesity and Diabetes Have Adverse Effects on Outcomes Across Breast Tumor Types, Should Be Taken Into Account When Planning Treatment
Both obesity and diabetes have adverse effects on outcomes in breast cancer patients who receive neoadjuvant chemotherapy, according to research presented at the 9th European Breast Cancer Conference. Although a high body mass index (BMI) is known to have a negative impact on cancer development and ...
Genetic Testing May Improve Selection of Women With Estrogen Receptor–Positive Breast Cancer for 10 vs 5 Years of Hormonal Therapy
Genetic analyses of results from 1,125 postmenopausal women being treated for estrogen-responsive breast cancer have shown that some of them are more likely than others to have a late recurrence of their cancer and might benefit from 10 years of hormone therapy rather than 5 years. Women who had...
Lab Study Finds Pancreatic Cancer Growth Is Slowed by Blocking the Hhat Enzyme
The overexpression of Hedgehog family proteins contributes to the development of many cancers. Research by Konitsiotis et al has found that blocking the function of the Hedgehog acyltransferase (Hhat) enzyme slows the growth and spread of pancreatic cancer. Targeting inhibition of the Hedgehog...
Lung Complications Measured by Simple Questionnaire Predict Survival in Chronic Graft-vs-Host Disease
A simple questionnaire that rates breathing difficulties on a scale of 0 to 3 may be able to predict survival in patients with chronic graft-vs-host disease, according to a study by Palmer et al published in Biology of Blood and Marrow Transplantation. Although a poor National Institutes of Health ...
Common Cancers Evade Detection by Silencing Parts of Immune System Cells, Study Finds
Immunotherapy for ovarian, breast, and colorectal cancer has so far had limited success, primarily because the immune system often can’t destroy the cancer cells. According to a report published in Oncotarget, researchers at Johns Hopkins have identified genes that have been repressed through ...
Natural Compound Attacks HER2-Positive Breast Cancer Cells
A common compound known to fight lymphoma and skin conditions actually has a second method of action that makes it particularly deadly against certain aggressive breast tumors, according to a study reported by Xia et al in PLOS ONE. The compound, psoralen, is a natural component found in foods such ...
Study Identifies Common Driver of a Childhood Brain Tumor
The St. Jude Children’s Research Hospital–Washington University Pediatric Cancer Genome Project has identified the most common genetic alteration ever reported in the brain tumor ependymoma and evidence that the alteration drives tumor development. The findings were published online in...
New Finding Points to Potential Options for Targeting Stem Cells in Triple-Negative Breast Cancer
New research from the University of Michigan Comprehensive Cancer Center and Georgia Regents University has found that a protein that regulates an inflammatory pathway does not turn off in breast cancer, resulting in an increase in cancer stem cells. This finding may provide a potential target for...
Prostate Health Index May Provide New Tool to Identify Patients Assigned to Watchful Waiting Who Require Immediate Treatment
A simple tool called “phi” appears to be able to identify which patients assigned to active surveillance for prostate cancer are more likely to require treatment. Phi, or the prostate health index, is calculated from three serum measurements: PSA, free/total PSA, and a new measurement,...
Study Reports Success in Targeted Therapy for Lung Adenocarcinoma
The most common genetic subtype of lung cancer, which has long defied treatment with targeted therapies, has had its growth halted by a combination of two already-in-use drugs in laboratory and animal studies, setting the stage for clinical trials of the drugs in patients. The study, published in...
New Mathematical Model Helps Predict Tumor Evolution and Treatment Effectiveness
A study by Almendro et al analyzed breast cancer tumors before and after treatment for important characteristics, including chromosome copy number, the presence or absence of certain protein markers, and their proliferative capacity. The scientists then used the data to develop computational models ...
Study Shows 20% of Women With Ovarian Cancer Have Inherited Genetic Mutations That Increase Risk of Disease
A large-scale genetic analysis of women with ovarian cancer with no known family histories of breast or ovarian cancer has found that one-fifth of them had inherited alterations in genes known to be associated with these cancers. The findings could lead to the development of better screening...
Study Questions the Anticancer Mechanism of Metformin
The drug metformin, which is approved for the treatment of type 2 diabetes, has been tested in clinical trials as a tumor suppressor in different cancers due to its role in activating the AMPK signaling pathway. However, a new study by Liu et al published in Proceedings of the National Academy of...
Less Is More: Postoperative Radiation May Be Avoided in Older Women With Estrogen Receptor–Rich Tumors
Among older women with hormone receptor–positive breast cancer, it is reasonable to omit whole-breast radiation therapy after breast-conserving surgery and neoadjuvant hormone therapy if the patient’s tumors have high levels of estrogen receptor expression, but radiation should remain...
Addition of Bevacizumab Fails to Improve Invasive Disease-Free Survival vs Adjuvant Chemotherapy/Trastuzumab Alone in HER2-Positive Breast Cancer
Bevacizumab (Avastin) failed to extend invasive disease–free survival when added to trastuzumab (Herceptin)-directed adjuvant chemotherapy in patients with HER2-positive breast cancer in the phase III BETH trial. Although not specifically designed to answer this question, BETH also...
Vorinostat Plus Standard Immunoprophylaxis Cuts Risk of Graft-vs-Host Disease in Half
A new class of drugs reduced the risk of patients contracting a serious and often deadly side effect of bone marrow transplant treatments, according to a study by Choi et al published in The Lancet Oncology. The study, the first to test this treatment in humans, combined the drug vorinostat...
Estrogen Levels Affect the Efficacy of PARP Inhibitors in PTEN-Deficient Endometrial Tumors
PARP inhibition appears to be an effective way to shrink PTEN-deficient endometrial tumors with low levels of estrogen but is ineffective in those with high levels of estrogen, according to preclinical study results reported by Janzen et al in Molecular Cancer Therapeutics. The findings suggest...
