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Showing 10301 - 10350Common 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 ...
Screening With Visual Inspection of Cervix After 4% Acetic Acid Could Reduce Cervical Cancer Mortality by 22,000 per Year in India
Cervical cancer is the leading cause of cancer death in women in India, a nation where large-scale Pap smear screening is not feasible. As reported in the Journal of the National Cancer Institute, Shastri et al have performed a large cluster-randomized study of education and screening of Indian...
BPA Exposure May Be Linked to Prostate Cancer, Study Shows
A new study suggests that levels of bisphenola A (BPA) in men’s urine may be a marker of prostate cancer and that low levels of BPA exposure can cause cellular changes in both nonmalignant and malignant prostate cells. The research, published in PLOS ONE, provides the first evidence that...
Study Identifies Possible New Target for Future Glioblastoma Drugs
A molecule in cells that shuts down the expression of genes might be a promising target for new drugs designed to treat the most frequent and lethal form of brain cancer, according to a new study by Yan et al published in Cancer Research. The findings show that high levels of the enzyme PRMT5...
Study Finds Possible New Gene Target for Lung Cancer
Researchers have identified a potential new gene mutation that may drive lung cancer development and growth. In a study in the Journal of Clinical Investigation by Imielinski et al, a patient with advanced lung cancer who was found to have the ARAF S214Csomatic gene mutation achieved nearly a...
Tumor Protein Predicts Response to Chemotherapy in Patients With Esophageal Cancer
Patients with the most common type of esophageal cancer are less likely to respond to chemotherapy when their tumors are high in a protein called leptin, according to a study by Bain et al published in the British Journal of Cancer. Study Details Researchers from the University of Aberdeen...
Anthropometric and Hormonal Factors Increase Risk for Male Breast Cancer
In a study reported in the Journal of the National Cancer Institute, Brinton et al assessed the role of anthropometric, medical history, and hormone-related factors in male breast cancer in the Male Breast Cancer Pooling Project. Factors found to be associated with risk included height,...
CAR T-Cell Therapy Yields Promising Complete Response Rates in Patients With Relapsed/Refractory B-Cell ALL
In a recent study published in Science Translational Medicine, Davila et al found that 88% of patients with relapsed or refractory B-cell acute lymphoblastic leukemia (ALL) who were treated with genetically modified versions of their own immune cells achieved overall complete response. Most...
Oropharyngeal Cancer Patients Report Benefit in Salivary Function With Reduction of Radiation Dose to Bilateral Submandibular Lymph Nodes
For head and neck cancer patients undergoing radiation therapy, a reduction in the amount of radiation treatment volume to the submandibular (level IB) lymph nodes resulted in better patient-reported salivary function, according to research presented today at the 2014 Multidisciplinary Head and...
Patients With Oropharyngeal Cancer Report Decreased Quality of Voice and Speech After Treatment
Patients with oropharyngeal cancer treated with combined chemotherapy and radiation therapy reported a decrease in their voice and speech quality for up to 1 year after the completion of treatment, according to research presented today at the 2014 Multidisciplinary Head and Neck Cancer Symposium....
Pathologic Complete Response Has Prognostic Value in Breast Cancer, But Is Not Supported as Surrogate for Event-Free or Overall Survival
Pathologic complete response has been proposed as a surrogate endpoint for long-term clinical benefit in breast cancer. The U.S. Food and Drug Administration (FDA) established the international Collaborative Trials in Neoadjuvant Breast Cancer working group to perform a pooled analysis of...
Study Finds Combining a Novel Biomarker With HPV Status Predicts Patient Outcome in Head and Neck Cancer
Using next-generation sequencing and the clinical data of patients with head and neck squamous cell carcinoma, researchers found that combining mutant-allele tumor heterogeneity as a biomarker with patients’ human papillomavirus (HPV) status provides a reliable predictor of patient survival....
Use of Intravenous Pegaspargase in Adapted Pediatric Regimen Is Feasible in Adults With Newly Diagnosed ALL
Asparaginase treatment, standard in pediatric acute lymphoblastic leukemia (ALL) regimens, is excluded or used for shorter durations in treatment of adults with ALL due to risk of toxicity. In a study reported in Journal of Clinical Oncology, Douer et al evaluated a pegaspargase (Oncaspar) dosing...
HPV-Positive Oropharyngeal Cancer Associated With Higher Overall Survival Rate After Progression Than HPV-Negative Disease
A retrospective analysis of patients with oropharyngeal cancer with recurrence of disease after primary therapy in the Radiation Therapy Oncology Group (RTOG) studies 0129 and 0522 found that human papillomavirus (HPV)-positive patients had a higher overall survival rate than HPV-negative patients, ...
Daily Humidification of the Mouth and Throat During Radiation for Head and Neck Cancer Reduces Mucositis
New study findings show that patients with head and neck cancer receiving daily humidification of the mouth and throat during radiation therapy had reduced symptoms of muscositis and spent nearly 50% fewer days in the hospital to manage their treatment side effects. The study by Macann et al was...
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...
Molecular Features of Invasive Bladder Cancer Resemble Those of Breast Cancer
Using whole-genome mRNA-expression profiling, researchers have identified three molecular subtypes of muscle-invasive bladder cancers that shared molecular features with basal and luminal breast cancers. The findings have important implications for prognostication, the future clinical development...
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...
Blacks, Hispanics, Older Americans Not Benefiting Equally From Improvements in Colon Cancer Treatment
While new and better treatments have improved the odds of survival for patients diagnosed with late-stage colorectal cancer, that progress has been largely confined to non-Hispanic whites and Asians and those under age 65, according to a new study published in Cancer Causes and Control. Sineshaw et ...
Researchers Discover Preleukemic Stem Cell at Root of AML Relapse
Researchers have discovered a preleukemic stem cell that may be the first step in initiating disease and also the culprit that evades therapy and triggers relapse in patients with acute myeloid leukemia (AML). The research, published online in Nature, is a significant step forward in...
Compound Screening Identifies Novel Treatment Options for Gastrointestinal Stromal Tumors
Using high-throughput screening of already FDA-approved chemotherapeutic agents in gastrointestinal stromal tumors (GIST) cell lines, researchers have discovered that GIST cells display a high sensitivity to transcriptional and topoisomerase II inhibitors. The finding could bring new treatments to...
No Difference in Recurrence After 5 Years With or Without Radiotherapy Following Sector Resection in Stage I Breast Cancer
The 20-year follow-up of the Swedish Uppsala/Örebro trial, reported by Wickberg et al in the Journal of Clinical Oncology, shows that improved control of recurrence over 5 years with radiotherapy after sector resection in patients with stage I breast cancer is followed by similar...
No Mortality Benefit of Mammography Screening in 25-Year Follow-up of Canadian National Breast Screening Study
As reported in BMJ by Miller et al, the 25-year follow-up of the Canadian National Breast Screening Study has shown no mortality benefit of annual mammography screening for breast cancer compared with physical examination or usual care. Mammography screening was associated with...
Study Identifies Possible Genetic Markers in Breast Cancer Brain Metastases
Scientists from the Translational Genomics Research Institute (TGen) have uncovered the possible genetic origins of breast cancers that metastasize to the brain. The compendium of new genetic targets may be be used to identify potential methods of diagnosis and novel therapeutics for patients with...
Novel Photon-Counting Technique Increases Detection Rate in Screening Mammography
As mammography screening has shifted to digital technology, a range of computed radiography and direct radiography systems have emerged. Digital mammography screening with a new photon-counting technique offers high diagnostic performance, according to a study reported by Weigel et al in Radiology. ...
Study Identifies Functional Cooperative Mutations of SETD2 in the Development of Acute Leukemia
Using data from the whole-genome sequencing of a pair of 3-year-old female monozygotic twins, one healthy and one with the multilineage form of acute myeloid leukemia (AML), a team of scientists from China and the United States have identified a novel molecular target that could offer a new...
Brachytherapy Offers Lower Rate of Breast Preservation vs Standard Radiation for Older Women With Breast Cancer
When comparing treatments designed to enable long-term breast preservation for older women with invasive breast cancer, researchers found those treated with brachytherapy were at higher risk for a later mastectomy, compared to women treated with standard radiation therapy. The findings, published...
Obesity Linked to Poor Survival in Patients With Tongue Cancer
Cancer experts from Memorial Sloan Kettering Cancer Center and Weill Cornell Medical College are collaborating to understand the link between obesity and cancer. Most recently, their research has yielded an interesting association: Obesity prior to diagnosis is associated with a fivefold increase...
Progression-Free Survival Can Be Used as Surrogate for Overall Survival in Metastatic Melanoma Trials With Dacarbazine Control Group
In a meta-analysis reported in The Lancet Oncology, Flaherty et al found that progression-free survival is a reliable surrogate for overall survival in clinical trials in metastatic melanoma that include dacarbazine as control treatment. Study Details In the analysis, 1,649 reports and meeting...
Optimized Radiation Treatment Schedule for Glioblastoma May Extend Survival
An altered radiation treatment schedule for glioblastoma, the most common and lethal form of brain cancer, extended the survival period of mice with the disease, according to a new study published in Cell. Because the research involved mice, the study does not recommend a specific new schedule for...
Biomarker May Predict Response to Ipilimumab in Advanced Melanoma
Among patients with advanced melanoma, presence of higher levels of the protein vascular endothelial growth factor (VEGF) in blood was associated with poor response to treatment with the immunotherapy ipilimumab (Yervoy), according to a study by Yuan et al published in Cancer Immunology Research....
Potential Therapeutic Role for Aspirin in the Management of Sporadic Vestibular Schwannoma
In patients with sporadic vestibular schwannoma, aspirin may be of benefit in minimizing tumor growth, according to the results of a retrospective study presented by Kandathil et al in Otology and Neurotology. This finding may eliminate the need for invasive therapy and may complement existing...
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...
Studies Evaluate Trends in the Surgical Management of Penile Cancer
A large retrospective population-based study shows that potentially fatal penile cancers are surgically undertreated in the United States and more benign penile cancers are surgically overtreated. Even though penile cancer is rare in the United States, accounting for about 1,570 new cases in 2013...
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,...
Prolonged Hormone Therapy Exposure Increases Risk of Diabetes and Cardiovascular Disease in Older Patients With Prostate Cancer
Although androgen deprivation therapy extends survival in men with prostate cancer, its use is associated with unwanted side effects. In addition to the well-known side effects of impaired sexual function and hot flashes, prolonged exposure to androgen deprivation therapy can also lead to diabetes...
New Society Launched for Advanced Practitioners in Hematology and Oncology
The Advanced Practitioner Society for Hematology and Oncology (APSHO) announced its launch as a new organization focused on meeting the unique educational and professional needs of the advanced practitioner in hematology and oncology. The formation of the Society was made public January 26, 2014,...
Following USPSTF Mammography Screening Guidelines Could Save Billions of Dollars and Result in More Women Screened
Although controversial, reducing mammography screening frequency from annually to biennially for women aged 50 to 74 could save the health-care system billions of dollars annually and screen 15% more women compared with the current practice, according to a cost analysis by O’Donoghue et al....
New Findings Contradict Current Understanding of How to Manage Breast Biopsy Abnormalities
A long-term follow-up study by Hartmann et al of patients with two types of breast tissue abnormalities—atypical ductal hyperplasia and atypical lobular hyperplasia—suggests that both abnormalities have the same potential to advance to breast cancer. The findings could help improve...
Early Termination Not Unique to Genitourinary Cancer Clinical Trials
An analysis of 7,776 adult cancer clinical trials registered on Clinicaltrials.gov showed that approximately 20% of trials failed to be completed for reasons unrelated to the efficacy or side effects of the intervention. In 2010, a report from the Institute of Medicine entitled “A National...
New Clues May Link Hereditary Cancer Genes to Increased Risk of Cancer From Alcohol
In laboratory experiments conducted on human cell lines at the Johns Hopkins Sidney Kimmel Cancer Center, scientists have shown that people carrying certain mutations in two hereditary cancer genes, BRCA2 and PALB2, may have a higher than usual susceptibility to DNA damage caused by acetaldehyde, a ...
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 ...
No Survival Benefit of Adjuvant 5-FU–Based Chemotherapy After Neoadjuvant Radiotherapy or Chemoradiation for Resectable Rectal Cancer
As reported in The Lancet Oncology by Bosset et al, long-term results of the European Organisaton for Research and Treatment of Cancer (EORTC) trial 22921 indicate that adjuvant fluorouracil (5-FU)-based chemotherapy after preoperative radiotherapy with or without chemotherapy does not affect...
11-Protein Signature Distinguishes Good and Poor Outcome in Node-Negative, Adjuvant Therapy–Naive, Triple-Negative Breast Cancer
In a study reported in the Journal of the National Cancer Institute, Liu et al performed global proteomic profiling in samples from patients with triple-negative breast cancer in an attempt to identify a risk signature. They identified a novel 11-protein signature that independently predicts...
Surgeon Experience Affects Likelihood of Sentinel Lymph Node Biopsy in Older Women With Breast Cancer
Sentinel lymph node biopsy is standard of care for axillary staging in clinically node-negative breast cancer, and underuse of sentinel lymph node biopsy could be associated with unnecessary axillary lymph node dissection and lymphedema. In a study reported in JAMA Surgery, Yen et al assessed the...
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...
Nurse- and Gastroenterologist-Led Algorithm-Based Management Improve GI Symptoms After Pelvic Radiotherapy
In the ORBIT trial, reported in The Lancet, Andreyev et al compared outcomes with usual care, gastroenterologist-led algorithm-based management, and nurse-led algorithm-based management for patients with chronic gastrointestinal symptoms following pelvic radiotherapy for cancer. The findings...
Major Decline in Lung Cancer Reported
“Eliminating tobacco use is the most important thing we can do to prevent lung and other cancers, as well as the many other diseases its use causes. Today’s news confirms that we are making progress. However, the global health challenges from tobacco are still growing. “This new...
Sentinel Lymph Node Biopsy Associated With Survival Advantage in Merkel Cell Carcinoma
In patients with Merkel cell carcinoma, sentinel lymph node biopsy was shown to be associated with improved survival, according to the results of a retrospective study reported by Kachare et al in the Annals of Surgical Oncology. Thus, sentinel lymph node biopsy offers prognostic information that...
