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Showing 7051 - 7100Researchers 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...
Long-Term Hormone Therapy Is Associated With Improved Survival in Women With Non‒Small Cell Lung Cancer
In women with non–small cell lung cancer, long-term hormone therapy, particularly estrogen plus progesterone, is associated with improved survival, according to the results of a retrospective study presented by Katcoff et al in the Journal of Thoracic Oncology. This finding may lead to...
Crossover Trial Indicates Preference for Pazopanib Over Sunitinib in Patients With Metastatic Renal Cell Carcinoma
A crossover trial reported in the Journal of Clinical Oncology by Escudier et al found that patients with metastatic renal cell carcinoma preferred pazopanib (Votrient) vs sunitinib (Sutent) treatment. Study Details In the double-blind study, 168 patients with no prior systemic therapy for...
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...
Study Implicates SMARCA4 Gene as Key Player in Oncogenesis of Small Cell Carcinoma of the Ovary
According to a new study, mutations in the SMARCA4 remodeling gene may play a key role in the development of small cell carcinoma of the ovary, hypercalcemic type. The findings by Ramos et al were published in Nature Genetics and suggest that loss of SMARCA4 expression may serve as a biomarker for...
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 ...
Study Finds Chemotherapy Accelerates Molecular Aging in Patients With Breast Cancer
Physicians have long suspected that chemotherapy can accelerate the aging process in patients treated for cancer. Using a test developed at UNC Lineberger Comprehensive Cancer Center to determine molecular aging, oncologists have directly measured the impact of anticancer chemotherapy drugs on...
Experts Call for More Awareness of Sexual Dysfunction in Lung Cancer Patients
Many lung cancer patients suffer difficulties with sexual expression and intimacy, yet for too long the topic has been ignored by doctors and researchers, experts said at the 4th European Lung Cancer Conference (ELCC) in Geneva, Switzerland. Researchers have estimated that sexual dysfunction...
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 ...
NCCN Cancer Survivorship Guidelines Expanded to Address Two Common Conditions
The National Comprehensive Cancer Network (NCCN) has expanded its Survivorship Guidelines to include a section on cancer-associated cognitive impairment, and to include chemotherapy-induced peripheral neuropathy as a component of the Adult Cancer Pain section. The inaugural guidelines for...
Report Shows More Screening Has Led to a 30% Drop in Colon Cancer Rates
Findings from a report by Siegel et al of the American Cancer Society (ACS) show that the rate at which people are diagnosed with colorectal cancer in the United States has dropped by 30% in the last 10 years among people aged 50 years and older. The researchers say the decline in incidence is due...
NCCN Advocates for Universal Lynch Syndrome Screening in Newly Diagnosed Colorectal Cancer
The National Comprehensive Cancer Network (NCCN) is recommending that newly diagnosed colorectal cancer patients be screened for Lynch syndrome, previously called hereditary nonpolyposis colorectal cancer. The NCCN’s proactive position should greatly help identify individuals and their...
First Comprehensive Report on U.S. Cancer Care Finds Patient Access Threatened by Growing Demand, Physician Shortages
The first-ever comprehensive assessment of challenges facing the U.S. cancer care system suggests that patient access to cancer care will be threatened as growing demand for care outstrips the supply of oncologists, and as cost pressures force the closure of small physician practices that form the...
Study Examines Gene Expression of Adjacent Airway Field Cancerization in NSCLC
Seemingly healthy cells may in fact hide clues that lung cancer will later develop, according to a study led by researchers at The University of Texas MD Anderson Cancer Center. The research is published online in the Journal of the National Cancer Institute. Examination of gene expression in...
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 ...
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...
Study Identifies Key Mechanism Involved in Promoting Melanoma Proliferation
Researchers have identified a microRNA, miR-146a, that accelerates in the presence of BRAF and NRAS genetic mutations—which occur in 70% of melanoma cases—by activating the Notch signaling pathway. The finding could provide a new drug development target for patients with melanoma. The...
Normal Enzyme Pairs With Mutated FLT3 to Fuel AML Progression
Findings from a study by Puissant et al suggest that the wild-type form of enzyme SYK pairs with FLT3, the most commonly mutated enzyme found in acute myeloid leukemia (AML), to promote progression of the cancer. The molecular partnership also promotes AML cells’ resistance to treatment with...
Newly Created Risk Stratification Database Aids in Predicting Outcomes in Prostate Cancer
The pan-Canadian Prostate Cancer Risk Stratification database was created to report on the patient, tumor, and treatment factors that were predictive of biochemical and clinical outcomes in patients who underwent radiotherapy for prostate cancer. Risk stratification in the management of those with...
ASCO Issues New Recommendations for Family History-Taking in Oncology Setting
When oncologists see a new patient, they should emphasize careful documentation of first- and second-degree cancer family history, according to new recommendations published by the American Society of Clinical Oncology. The recommendations are the first to focus on family history-taking...
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...
Melatonin May Potentially Slow Tumor Growth in Estrogen Receptor–Negative Breast Cancers
An early-stage study shows melatonin may have the potential to help slow the growth of certain breast cancer tumors, according to researchers from Henry Ford Hospital in Detroit and Foundation for Research Support of the State of São Paulo. The study, published online in the journal PLoS...
NCI Scientists Map Genetic Changes in Rhabdomyosarcoma Tumors
Researchers from the National Cancer Institute (NCI) have found two distinct genotypes in rhabdomyosarcoma tumors: those characterized by the PAX3 or PAX7 fusion and those that lack these fusions but harbor mutations in key signaling pathways. The discovery could lead to the development of targeted ...
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...
Addition of Nintedanib to Docetaxel Improves Progression-Free Survival as Second-Line Treatment in NSCLC
In a phase III trial (LUME-Lung 1) reported in The Lancet Oncology, Reck et al assessed the addition of nintedanib to docetaxel in second-line treatment of non–small cell lung cancer (NSCLC). The combination significantly improved progression-free survival in all patients and improved overall ...
Short-Term Follow-up Reveals Suboptimal Pain Relief and Marked Pain Worsening in Ambulatory Cancer Patients
In an analysis reported in the Journal of Clinical Oncology, Zhao et al assessed factors associated with pain severity changes in ambulatory patients with solid tumors in the Eastern Cooperative Oncology Group E2Z02 (Symptom Outcomes and Practice Patterns) trial. They found that approximately...
Genetic Mutation May Play a Role in Worse Outcomes for Obese Prostate Cancer Patients
A study by researchers from Harvard School of Public Health, Dana-Farber Cancer Institute, and Brigham and Women’s Hospital has found that overweight or obese men with prostate cancer whose tumors were positive for the TMPRSS2:ERG genetic mutation had more than a 50% increased risk of dying...
Over-Regulation of Opioids Is Resulting in Untreated Cancer Pain for Millions of Patients Worldwide
The results from the European Society for Medical Oncology (ESMO)-led Global Opioid Policy Initiative (GOPI) project show that due to a lack of access to essential opioids, more than 4 billion people—over half the world’s population—live in countries where regulatory barriers,...
ASCO Endorses Cancer Care Ontario Guideline for Follow-up in Colorectal Cancer Survivors
ASCO has policy and procedures for endorsing clinical practice guidelines developed by other professional organizations. As reported in the Journal of Clinical Oncology by Meyerhardt et al of the ASCO Clinical Practice Guidelines Committee, ASCO has endorsed the Cancer Care Ontario (CCO)...
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...
Smoking Increases Risk of Death for Nasopharyngeal Carcinoma Survivors
Survivors of nasopharyngeal carcinoma who are former or current smokers are more likely to have their disease progress, relapse, or spread, and are more likely to die of their disease, compared with survivors of nasopharyngeal carcinoma who have never smoked, according to a study published in...
Bone Marrow Transplant Linked to Negative Sexual Side Effects in Both Men and Women
New research ties preparative procedures and complications associated with blood or bone marrow transplant with diminished sexual health in both men and women who have undergone the procedure. Study data, published today in Blood, confirm chronic graft-vs-host disease as a potential source of...
Novel Drug Combinations Targeting Pathways Triggered by KRAS May Benefit Patients With Pancreatic Cancer
Two drug combinations that simultaneously block two major signaling pathways downstream of the protein KRAS, which is aberrantly active in most pancreatic cancers, may provide a new treatment option for patients with this disease, according to preclinical results presented at the AACR-NCI-EORTC...
Investigational EGFR Inhibitor May Hold Promise for Some Patients With Treatment-Resistant NSCLC
Approximately 50% of non–small cell lung cancer (NSCLC) patients who develop resistance to inhibitors of the epidermal growth factor receptor (EGFR) have acquired a second mutation, T790M, which no current EGFR inhibitors target. This may change if the AstraZeneca investigational compound...
Researchers Identify Potential New Drug for Inherited Cancer
Scientists from The Scripps Research Institute have identified a new drug candidate for an inherited form of cancer with no known cure. The new study showed the drug candidate—known as FRAX97—slowed the proliferation and progression of tumor cells in animal models of neurofibromatosis...
ASCO and the College of American Pathologists Issue Updated Guideline on HER2 Testing in Breast Cancer
ASCO and the College of American Pathologists (CAP) today issued a joint, updated guideline to improve the accuracy and reporting of human epidermal growth factor receptor 2 (HER2) testing in patients with invasive breast cancer. The six-recommendation guideline is based on a systematic review of...
FDA Grants Breakthrough Therapy Status to Entinostat for Advanced Breast Cancer
Syndax Pharmaceuticals Inc today announced that the U.S. Food and Drug Administration (FDA) has designated entinostat as a Breakthrough Therapy for the treatment of locally recurrent or metastatic estrogen receptor (ER)-positive breast cancer when added to exemestane in postmenopausal women whose...
School-Age Drinking Increases Breast Cancer Risk
The more alcohol young women drink before motherhood, the greater their risk of future breast cancer, according to new research from Washington University School of Medicine in St. Louis. Previous studies have looked at breast cancer risk and alcohol consumption later in life or at the effect of...
Chinese Study Shows Icotinib Noninferior to Gefitinib in Advanced NSCLC
In the noninferiority ICOGEN trial reported in Lancet Oncology, Yuankai Shi, MD, of the Key Laboratory of Clinical Study on Anticancer Molecular Targeted Drugs. Beijing, and colleagues compared the oral epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor icotinib with gefitinib...
Researchers Identify Key Protein in Treatment-Resistant Prostate Cancer
Prostate cancer is one of the most common forms of cancer in men and the leading cause of cancer deaths in white, African American, and Hispanic men, according to the Centers for Disease Control. However, it remains unclear why, despite treatment, some prostate cancers progress and may become...
Researchers Identify Key Mechanism Behind Castration-Resistant Prostate Cancer
A team of researchers from UC Davis, UC San Diego, and other institutions has identified a key mechanism behind aggressive prostate cancer. Published online today in Nature, the study shows that two long noncoding RNAs, PRNCR1 and PCGEM1, activate androgen receptors, circumventing...
Circulating Estrogens and Androgens Are Associated With Breast Cancer Risk in Premenopausal Women
In a study reported in Lancet Oncology, Timothy Key, PhD, of Oxford University, and colleagues in the Endogenous Hormones and Breast Cancer Collaborative Group analyzed data from seven prospective studies to determine associations between sex hormones and risk of breast cancer in premenopausal...
NIH Scientists Visualize How Cancer Chromosome Abnormalities Form in Living Cells
For the first time, scientists have directly observed events that lead to the formation of a chromosome abnormality that is often found in cancer cells. The abnormality, called a translocation, occurs when part of a chromosome breaks off and becomes attached to another chromosome. The results of...
Study Suggests Pattern in Lung Cancer Pathology May Predict Cancer Recurrence After Surgery
A new study by thoracic surgeons and pathologists at Memorial Sloan-Kettering Cancer Center shows that a specific pattern found in the tumor pathology of some lung cancer patients is a strong predictor of recurrence. Knowing that this feature exists in a tumor's pathology could be an important...
Biomarker May Predict Risk of Graft-vs-Host Disease After Stem Cell Transplant
Researchers from Indiana University, the University of Michigan, the Fred Hutchinson Cancer Research Center, and the Dana-Farber Cancer Institute have identified and validated a biomarker accessible in blood tests that could be used to predict which stem cell transplant patients are at highest risk ...
Loss of MicroRNA Decoy Might Contribute to Development of Soft-Tissue Sarcoma
Researchers at The Ohio State University Comprehensive Cancer Center – Arthur G. James Cancer Hospital and Richard J. Solove Research Institute (OSUCCC – James) have discovered a novel mechanism responsible for the loss of a critical tumor-suppressor gene in rhabdomyosarcoma and other...
Researchers Identify Origin of Inflammation-Driven Pancreatic Cancer
Researchers at Mayo Clinic in Florida have revealed the process by which pancreatitis—chronic inflammation of the pancreas—morphs into pancreatic cancer. They say their findings point to ways to identify pancreatitis patients at risk of pancreatic cancer and to potential drug therapies...
Vaccine Stirs Immune Activity Against Advanced Chronic Lymphocytic Leukemia
Patients with advanced chronic lymphocytic leukemia (CLL) often receive allogeneic transplants that effectively “reboot” their own immune defenses, which then attack and potentially cure the hard-to-treat disease. However, there is a high rate of relapse in these patients, and the...
Percentage of Cancers Linked to Viruses Potentially Overestimated
The results of a large-scale analysis of the association between DNA viruses and human malignancies suggest that many of the most common cancers are not associated with DNA viruses. The findings, published in the August issue of the Journal of Virology, challenge earlier studies suggesting that as...
Researchers Target ‘Cell Sleep’ to Lower Chances of Cancer Recurrence
An international research team led by scientists at the University of Pittsburgh Cancer Institute (UPCI) discovered that by preventing cancer cells from entering a state of cellular sleep, cancer drugs are more effective, and there is a lower chance of cancer recurrence. The findings, published...
