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Showing 16451 - 16500Delaying Androgen Deprivation Therapy May Be Safe for Men With Prostate Cancer Relapse Detected by PSA Testing
According to a large, population-based observational study of men who had a prostate-specific antigen (PSA)-only based relapse after prostate surgery or radiation therapy, delaying androgen deprivation therapy until the onset of symptoms or appearance of cancer on a scan does not substantially...
Epigenetically Reprogrammed Cells Generate Functional Cord Blood Stem Cells for Transplantation
The use of cord blood cells as hematopoietic stem cell grafts for patients with hematologic malignancies receiving an allogeneic stem cell transplant has been limited to children due to the small number of stem cells present in a single cord blood collection. The result of these limitations has...
Immunotherapy May Be Effective in the Treatment of Multiple Myeloma
A new study by researchers at The Ohio State University Comprehensive Cancer Center–Arthur G. James Cancer Hospital and Richard J. Solove Research Institute (OSUCCC–James) provides evidence that genetically modifying immune cells might effectively treat multiple myeloma. The findings by ...
Tools for Identifying Pathologically Insignificant Prostate Cancer Are Inaccurate In Unscreened Men
In a study reported in British Journal of Cancer, Shaw et al assessed the accuracy of several reported criteria for identifying insignificant prostate cancer for active surveillance in a population of unscreened men. None of the examined tools provided sufficient discrimination of insignificant...
Preoperative Positron-Emission Tomography May Be Beneficial in Reducing the Number of Unnecessary Surgeries in Patients With Lung Cancer
In patients with non–small cell lung cancer (NSCLC), preoperative positron-emission tomography (PET) has been shown to limit the number of unnecessary surgeries, according to the results of a study presented by Zeliadt et al in the Journal of Nuclear Medicine. Besides its value in accurate...
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...
Phase I Study Finds Novel Antibody Shows Promise in Children With Advanced Neuroblastoma
Researchers from St. Jude Children’s Research Hospital conducted a phase I study of hu14.18K322A, an experimental monoclonal antibody genetically engineered at the hospital, in 38 children with refractory or recurrent neuroblastoma. The patients received escalating doses of hu14.18K322A...
Adding Neoadjuvant Carboplatin to Taxane, Anthracycline, and Targeted Therapy Increases Pathologic Complete Response in Triple-Negative Breast Cancer
Preclinical data suggest that triple-negative breast cancer is sensitive to interstrand crosslinking agents and that the combination of a taxane, trastuzumab (Herceptin), and a platinum may have synergistic effects in HER2-positive breast cancer. In a randomized phase II trial (GeparSixto, German...
Lower Densities of Gastroenterologists, General Surgeons, and Radiation Oncologists in Rural vs Urban U.S. Counties
Geographic proximity to services has been identified as a potential barrier to cancer screening, and there is evidence of disparity in colorectal cancer outcomes between urban and rural U.S. residents. In a study reported in JAMA Surgery, Aboagye et al identified a significantly greater density of...
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...
Statin Use Associated With Reduced Risk of Prostate Cancer Recurrence
Men who begin taking statins after prostate cancer surgery are less likely to have a recurrence of their cancer, according to a retrospective analysis led by researchers at Duke Medicine. The study by Allott et al was published in BJU International. “Our findings suggest that beginning...
Dual Method to Remove Precancerous Colon Polyps May Substantially Reduce Health-Care Costs
A surgical method combining two techniques for removing precancerous polyps during colonoscopies can substantially reduce the recovery time and the length of hospital stays, which may translate into significant cost savings, according to research presented this week at Digestive Disease Week in...
Study Confirms Clinical Benefit for Interleukin-2 Immunotherapy in Patients With Advanced Kidney Cancer
A retrospective study published online ahead of print in Urology by researchers at Roswell Park Cancer Institute found that patients with metastatic kidney cancer—even those with chronic renal insufficiency—can tolerate and benefit from high-dose interleukin-2 (HDIL-2) immunotherapy....
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...
ASCO Releases Companion Guideline on Disease Management for Patients With Advanced HER2-Positive Breast Cancer and Brain Metastases
As many as half of patients with metastatic HER2-positive breast cancer develop brain metastases over time. The American Society of Clinical Oncology recently released a clinical practice guideline on disease management for patients with advanced HER2-positive breast cancer and brain metastases. A...
ASCO Releases Clinical Practice Guideline on Systemic Therapy for Patients With Advanced HER2-Positive Breast Cancer
Approximately 15% of patients with breast cancer have tumors that overexpress the HER2 protein, and these patients can benefit from HER2-targeted therapies. The American Society of Clinical Oncology recently released a clinical practice guideline on systemic therapy for patients with advanced...
Hyperfractionated Radiation Therapy Improves Local-Regional Control Without Increasing Late Toxicity in Locally Advanced Head and Neck Cancer
Patients with locally advanced squamous cell carcinoma of the head and neck treated with hyperfractionated radiation therapy experienced improved local-regional control and, with patients censored at 5 years, improved overall survival with no increase in late toxicity, according to a study...
Cryoablation of Breast Tumors Successful in 69% of Patients With Early-Stage Disease in Phase II Trial
Cryoablation of breast tumors, which destroys lesions by exposing them to extremely low temperatures, may be a promising alternative to surgery in carefully selected women with early-stage disease, according to a study presented at the American Society of Breast Surgeons Annual Meeting in Las...
Breath Analysis Offers Noninvasive Method to Detect Early Lung Cancer
Researchers at the University of Louisville School of Medicine are using breath analysis to detect the presence of lung cancer. Preliminary data indicate that this noninvasive tool offers the sensitivity of PET scanning and has almost twice the specificity of PET for distinguishing patients with...
FDA Approves Ceritinib for Late-Stage Lung Cancer
The U.S. Food and Drug Administration (FDA) has granted accelerated approval to ceritinib (Zykadia) for patients with a metastatic anaplastic lymphoma kinase (ALK)-positive non–small cell lung cancer (NSCLC) who were previously treated with crizotinib (Xalkori). Ceritinib is an ALK tyrosine...
Severe Vitamin D Deficiency Is Associated With Aggressive Prostate Cancer, Study Finds
A study investigating vitamin D status and prostate cancer diagnosis in high-risk men has found an association between vitamin D deficiency and aggressive prostate cancer. The study enrolled 667 men, ages 40 to 79 years, who were undergoing their first prostate biopsy following an abnormal...
Differences in Lifestyle Habits and Poorer Adherence to Radiation Therapy in Patients With HPV-Negative vs HPV-Positive Oropharyngeal Carcinoma
Different mechanisms of carcinogenesis and molecular characteristics have been proposed for human papillomavirus (HPV)-positive and HPV-negative oropharyngeal carcinomas, and better outcomes have been observed in patients with HPV-positive tumors. Some experts advocate classification of the two as...
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 ...
Receiving Chemotherapy After a Breast Cancer Diagnosis May Affect a Patient’s Long-Term Employment
A new study has found that loss of paid employment after a diagnosis of early-stage breast cancer may be common and potentially related to the type of treatment patients received. Published early online in Cancer, the findings by Jagsi et al support efforts to reduce the side effects and burden of...
ASTRO 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...
