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Showing 15901 - 15950ASTRO Issues Guideline on the Role of Postoperative Radiation Therapy for Endometrial Cancer
The American Society for Radiation Oncology (ASTRO) has issued a new guideline, “The Role of Postoperative Radiation Therapy for Endometrial Cancer: An ASTRO Evidence-Based Guideline,” that details the use of adjuvant radiation therapy in the treatment of endometrial cancer. The...
FDA Proposes to Extend Its Tobacco Authority to Additional Tobacco Products, Including E-Cigarettes
As part of its implementation of the Family Smoking Prevention and Tobacco Control Act signed by the President in 2009, the U.S. Food and Drug Administration (FDA) today proposed a new rule that would extend the agency’s tobacco authority to cover additional tobacco products. ...
Experimental Drug Receives Fast Track Designation as Second-Line Chemotherapy for Metastatic Castration-Resistant Prostate Cancer
OncoGenex Pharmaceuticals, Inc, today announced that the U.S. Food and Drug Administration (FDA) has granted Fast Track designation to the investigation of custirsen (OGX-011) when administered in combination with cabazitaxel (Jevtana Kit)/prednisone for the treatment of men with metastatic...
Adding Everolimus to Trastuzumab/Vinorelbine Prolongs Progression-Free Survival but Increases Toxicity in Trastuzumab-Resistant Advanced Breast Cancer
Disease progression in HER2-positive breast cancer treated with trastuzumab (Herceptin) may be associated with PI3K/Akt/mTOR pathway activation, and use of an mTOR inhibitor might restore trastuzumab sensitivity. In the double-blind phase III BOLERO-3 trial reported in The Lancet Oncology,...
Use of Intraoperative Frozen Section Margin Assessment May Decrease Reoperations in Breast Cancer Patients Undergoing Lumpectomy
In female patients undergoing breast cancer lumpectomies, intraoperative frozen section margin assessment has been shown to decrease overall reoperation rates, according to the results of a study reported by Boughey et al in the journal Surgery. This finding may lead to lower health-care costs, a...
Researchers Identify Pathway That Drives Development of Cancer 'Stemness' and Drug Resistance
Most drugs used to treat lung, breast, and pancreatic cancers also promote drug resistance and ultimately spur tumor growth. Researchers at the University of California, San Diego, School of Medicine have discovered a biomarker called CD61 on the surface of drug-resistant tumors that may be...
Addition of Tigecycline to Empiric Therapy Improves Success Rate in Febrile Neutropenic Patients With Hematologic Malignancy
Antibiotic monotherapy is considered standard in empiric therapy in febrile neutropenic cancer patients, but the approach may be insufficient given the increase in infections due to multidrug-resistant microorganisms. Tigecycline (Tygacil), the first in a new class of glycylcycline antibiotics, has ...
Sildenafil Use May Be Associated With Increased Risk of Melanoma
In a prospective cohort study reported in JAMA Internal Medicine, Li et al found that recent and ever use of sildenafil for erectile dysfunction was associated with increased risk of subsequent melanoma, but not squamous cell or basal cell carcinoma. The RAS/RAF/MAPK and ERK kinase/ERK cascade is...
New Gene Variant Found That Increases the Risk of Colorectal Cancer From Eating Processed Meat
A common genetic variant that affects one in three people appears to significantly increase the risk of colorectal cancer from the consumption of processed meat, according to a study published today in PLOS Genetics by Figueiredo et al. The study of over 18,000 people from the United States,...
Researchers Uncover Link Between Down Syndrome and Leukemia
Although doctors have long known that people with Down syndrome have a heightened risk of developing acute lymphoblastic leukemia (ALL) during childhood, they haven’t been able to explain why. In a new study published online in Nature Genetics, Lane et al tracked the genetic chain of events...
‘Too Much and Too Little Care’ in Pulmonary Nodule Evaluation
Pulmonary nodules are common and many more will be found with implementation of lung cancer screening. In a retrospective cohort study reported in JAMA Internal Medicine, Wiener et al found that patients with pulmonary nodules were at high risk of both underevaluation and overevaluation for cancer, ...
Chronic Inflammation in Benign Prostate Tissue Is Associated With Aggressive Prostate Cancer
An analysis of prostate tissue biopsies collected from participants in the placebo arm of the Prostate Cancer Prevention Trial (PCPT) has found that those whose benign prostate tissue had chronic inflammation had 1.78 times higher odds of having prostate cancer, and 2.24 times higher odds of having ...
Total Parotidectomy May Benefit Patients With Cutaneous Squamous Cell Carcinoma or Malignant Melanoma With Metastasis to the Parotid Superficial Lobe
The optimal extent of surgical resection is unclear in patients with parotid superficial lobe lymph node metastasis from cutaneous squamous cell carcinoma and malignant melanoma. In a single-institution retrospective review reported in JAMA Otolaryngology Head & Neck Surgery, Thom et al found...
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...
Breast Cancer Risk Variant Associated With Increased Lung Cancer Risk in Women
In a study reported in the Journal of the National Cancer Institute, Park et al examined single nucleotide polymorphisms (SNPs) associated with other cancers for potential associations with lung cancer. They found that the breast cancer SNP LSP1 rs3817198 was associated with significant risk of...
Study Finds a Quarter of Men Drop Out of Prostate Cancer Monitoring, Casting Doubt on Safety of Active Surveillance
Noncompliance appears to be a major challenge for active surveillance, according to the results of long-term follow-up of patients with prostate cancer presented at the European Association of Urology 29th Annual Congress in Stockholm. Over a quarter of men dropped out of the active surveillance...
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 ...
ASCO Releases Adapted Guideline on Screening, Assessment, and Management of Fatigue in Adult Survivors of Cancer
A majority of cancer patients experience some level of fatigue during their course of treatment, and approximately 30% contend with persistent fatigue for years after treatment. Fatigue is among the most common and distressing long-term effects of cancer treatment and significantly affects patient...
ASCO Issues Adapted Guideline on Screening, Assessment, and Care of Anxiety and Depressive Symptoms in Adults With Cancer
ASCO has adapted the Pan-Canadian Practice Guideline on Screening, Assessment, and Care of Psychosocial Distress (Depression, Anxiety) in Adults With Cancer for use in the screening, assessment, and care of anxiety and depressive symptoms in adults with cancer. The adapted guideline, reported in...
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...
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...
Older People With Faster Decline in Memory and Thinking Skills May Have Lower Risk of Cancer Death
Older people who are starting to have memory and thinking problems, but do not yet have dementia, may have a lower risk of dying from cancer than people who have no memory and thinking problems, according to a study by Benito-León et al published online in Neurology. “Studies have...
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...
ASCO Endorses SSO/ASTRO Guideline on Margins for Breast-Conserving Surgery With Whole-Breast Irradiation in Stage I and II Invasive Breast Cancer
As reported in the Journal of Clinical Oncology by Buchholz et al, ASCO has endorsed the recently published Society of Surgical Oncology (SSO) and American Society for Radiation Oncology (ASTRO) consensus guideline on margins for breast-conserving surgery with whole-breast irradiation in stage I...
Phase II Study Suggests Promise of Intermittent Chemotherapy Plus Continuous Cetuximab in Advanced KRAS Wild-Type Colorectal Cancer
In a phase II study (COIN-B) reported in The Lancet Oncology, Wasan et al examined the addition of continuous or intermittent cetuximab (Erbitux) to intermittent chemotherapy in previously untreated advanced KRAS wild-type colorectal cancer. Continuous cetuximab appeared to be associated with...
Consumptive Hypothyroidism in GIST Associated With Increased D3 Expression
In a report in The New England Journal of Medicine, Maynard et al discuss identification of consumptive hypothyroidism due to overexpression of thyroid hormone–inactivating enzyme type 3 iodothyronine deiodinase (D3) in a patient with gastrointestinal stromal tumor (GIST) and subsequent...
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...
Six Months Hormonal Treatment in Addition to Radiotherapy Improves Survival for Men With Localized Prostate Cancer
Men with localized prostate cancer that is at risk of growing and spreading have a lower risk of disease progression and recurrence if they are treated with radiotherapy combined with androgen-deprivation therapy, according to new research. The findings, which were presented at the 33rd Conference...
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...
I-SPY 2 Results Identify Subset of Breast Cancer Patients Most Likely to Benefit From Neratinib
Findings from the I-SPY 2 randomized phase II clinical trial for women with newly diagnosed stage II breast cancer show that a neoadjuvant regimen containing the investigational drug neratinib, a pan-HER inhibitor, and standard chemotherapy is beneficial for patients with hormone...
Investigational Drug Demonstrates Early Promise in Metastatic Breast Cancer
The novel oral drug LY2835219, an inhibitor of cyclin-dependent kinases (CDK) 4 and 6, showed early promise as monotherapy for patients with metastatic breast cancer, particularly for those with hormone receptor–positive disease, according to results of a phase I study presented at the...
Biomarker Identifies Melanoma Patients Who May Respond to Immunotherapy MK-3475
Among melanoma patients treated with the PD-1 inhibitor MK-3475, those whose tumors had the protein PD-L1 had better immune responses and higher survival rates, according to results presented at the American Association for Cancer Research (AACR) Annual Meeting 2014 in San Diego. When the protein...
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...
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...
Dose-Escalated Hypofractionated IMRT for Localized Prostate Cancer Has Similar Side Effects Compared to Conventional IMRT
Dose-escalated intensity-modulated radiotherapy with use of a moderate hypofractionation regimen (72 Gy in 2.4-Gy fractions) can safely treat patients with localized prostate cancer with limited grade 2 or 3 late toxicity, according to a study by Hoffman et al published in the International Journal ...
Findings of AURELIA Trial Support Consideration of Bevacizumab/Chemotherapy in Carefully Selected Patients With Platinum-Resistant Ovarian Cancer
The recently reported open-label phase III AURELIA trial showed that the addition of bevacizumab (Avastin) to chemotherapy resulted in significant improvements in progression-free survival, the primary study endpoint, and objective response rate in women with recurrent platinum-resistant ovarian...
Study Finds Routine Mammograms Offer Limited Benefit to Oldest Female Patients
Doctors should focus on life expectancy when deciding whether to order mammograms for their oldest female patients, since the harms of screening likely outweigh the benefits unless women are expected to live at least another decade, according to a review published online in JAMA by Walter and...
Bendamustine/Rituximab May Be Important Alternative Treatment Option for Indolent Non-Hodgkin Lymphoma or Mantle Cell Lymphoma
Results from the BRIGHT study combined with long-term safety data from other studies suggest that bendamustine (Treanda) plus rituximab (Rituxan) “may be an important alternative treatment option” for the initial therapy of patients with low-grade non-Hodgkin lymphoma (NHL) and mantle...
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,...
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 ...
Radiofrequency Ablation Reduces Risk of High-Grade Dysplasia and Adenocarcinoma vs Endoscopic Surveillance in Patients With Barrett’s Esophagus
Barrett’s esophagus with low-grade dysplasia increases risk of esophageal adenocarcinoma. In a European study reported in JAMA, Phoa et al assessed whether endoscopic radiofrequency ablation reduced the rate of neoplastic progression compared with endoscopic surveillance in patients with...
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 ...
Women Are Infrequently First or Corresponding Authors in Collaborative Group Publications in Oncology
As reported in a research letter in JAMA Internal Medicine, Sun et al studied the frequency with which women lead clinical trial publications from organized collaborative groups in oncology. They found that women are very infrequently lead or corresponding authors, with the percentages not changing ...
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...
Ceritinib Highly Active in Patients With ALK-Rearranged Advanced NSCLC, Including Those With Prior Crizotinib Treatment
Non–small cell lung cancer (NSCLC) harboring ALK rearrangement is sensitive to the ALK inhibitor crizotinib (Xalkori), but resistance ultimately occurs. In a phase I study reported in The New England Journal of Medicine, Shaw et al found that the more-potent ALK inhibitor ceritinib was...
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,...
Tumor Size, Location, and Mitotic Rate, but Not Genotype, Associated With Recurrence-Free Survival in Trial of Adjuvant Imatinib vs Placebo in GIST
The ACOSOG Z9001 (Alliance) study showed that 1 year of adjuvant imatinib (Gleevec) prolonged recurrence-free survival after resection of primary gastrointestinal stromal tumors (GIST). As reported by Corless et al in the Journal of Clinical Oncology, a study evaluating correlation of pathologic...
