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Showing 1551 - 1600Long-Term Study Finds Fertility Drugs Do Not Increase Breast Cancer Risk
A large study of over 12,000 women who took clomiphene citrate or gonadotropins for the treatment of infertility has found no increase in breast cancer risk over 30 years of follow-up, compared with women who were not treated with these medications. The study by Brinton et al is published in Cancer ...
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...
FDA Panel Endorses Stool-Based DNA Colon Cancer Test
The U.S. Food and Drug Administration’s (FDA) committee of genetic experts has determined that Cologuard, a stool-based DNA, noninvasive screening test for colorectal cancer, has demonstrated safety, effectiveness, and a favorable risk-benefit profile. The FDA is now considering the...
Long-Term Use of Valproic Acid May Reduce the Risk of Head and Neck Cancer
The antiseizure medication and mood stabilizer valproic acid was associated with a significant reduction in head and neck cancer risk, according to a study recently published in Cancer. The large retrospective cohort study by Kang et al was conducted to evaluate the effects of the drug, a histone...
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...
ASCO Issues Updated Recommendations for Sentinel Lymph Node Biopsy in Early-Stage Breast Cancer
A review by ASCO’s Update Committee of new data from randomized clinical trials has led to a change in recommendations for the use of sentinel lymph node biopsy in patients with early-stage breast cancer. The updated guideline will enable more women with early-stage breast cancer to avoid the ...
No Mortality Benefit From Primary Androgen-Deprivation Therapy for Most Men With Early-Stage Prostate Cancer
A large retrospective cohort study by Potosky et al of 15,170 men with early-stage prostate cancer has found that patients who received androgen deprivation as their primary treatment instead of surgery or radiation did not live any longer than those who received no curative-intent treatment. Men...
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...
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...
Patient With Bladder Cancer Shows Exceptional Response to Everolimus/Pazopanib Combination
A phase I study by Wagle et al of a combination of everolimus and pazopanib in patients with advanced solid tumors has identified a patient with bladder cancer who had a 14-month complete response. The patient had two concurrent mutations in mTOR, the target of everolimus (Afinitor), which may have ...
Nonmelanoma Skin Cancer Linked to Other Cancers, Especially in Young Survivors
A study by Ong et al has found that people who had nonmelanoma skin cancer were at an increased risk for subsequently developing melanoma and a spectrum of 29 other cancer types. The risk was especially high among people who develop nonmelanoma skin cancer before the age of 25. The findings are...
Study Finds More Hospital Deaths and Invasive Care for Terminal Cancer Patients Receiving Palliative Chemotherapy
Patients with terminal cancer who receive chemotherapy during the last months of their lives are less likely to die where they want and more likely to endure invasive medical procedures than those who do not receive chemotherapy, according to a study by Wright et al published in BMJ. The findings...
Blood Test Could Improve Treatment for Children With Late-Stage Neuroblastoma
Research by Viprey et al has found that the detection of neuroblastoma mRNAs in peripheral blood and bone marrow aspirates from children diagnosed with stage IV neuroblastoma are independent predictors of event-free survival and overall survival. Their findings could help identify children with...
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...
African Americans Have Higher Prevalence of Multiple Myeloma Precursor Than Whites and Hispanics
A large population-based study by Landgren et al has found that African Americans are more likely to have a higher prevalence of monoclonal gammopathy of undetermined significance (MGUS), a precursor to the development of multiple myeloma, compared with whites or Hispanics. The study is published...
Patient-Centered Outcomes Research Institute Develops Prioritized Research Agenda for the Management of DCIS
There is currently a lack of reliable methods for distinguishing ductal carcinoma in situ (DCIS) that would never become symptomatic from DCIS that is likely to progress to life-threatening invasive cancer. Spurred by uncertainty about the optimal clinical management of DCIS, researchers have...
Unilateral Radiotherapy for Advanced Tonsil Cancer Yields Favorable Outcome
New research suggests that it is safe to limit radiation therapy to lymph nodes on only one side of the neck for lateralized tonsil cancer. In addition, the study findings show that primary tumor location, rather than the amount of lymph node involvement on the tumor side of the neck, drives the...
Avoiding Radiation to Major Salivary Glands in Head and Neck Cancer Is Safe and Improves Quality of Life
New research is showing that sparing the contralateral submandibular gland during radiation therapy in the treatment of locally advanced head and neck cancer is technically feasible and safe even in advanced-stage, node-positive disease and base-of-tongue lesions. Limiting radiation to these major...
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....
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...
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...
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...
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...
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...
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...
Bladder Cancer Study Uncovers Potential Drug Targets and Molecular Similarities to Other Cancers
Investigators with The Cancer Genome Atlas Research Network have identified new potential therapeutic targets for urothelial carcinoma of the bladder, a common cancer that causes about 150,000 deaths worldwide each year. The researchers also found molecular similarities to some subtypes of breast,...
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...
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 ...
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 ...
ASCO Survey of Oncologists Finds High Overall Career Satisfaction, but Nearly Half Report Burnout
A survey of oncologists by Shanafelt et al has found that approximately 45% had at least one symptom of burnout, with risk being greatest among younger oncologists and those spending more hours per week devoted to direct patient care. However, overall career satisfaction remains high, especially...
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...
Multiple Myeloma Study Shows Widespread Genetic Heterogeneity
A detailed study of tissue samples from more than 200 patients with multiple myeloma has found that an individual patient’s tumor can harbor populations of cancer cells equipped with different mutations. The result could have therapeutic ramifications for future patients, according to study...
Survey Finds Many General Internists Are Uncomfortable Caring for Adult Survivors of Childhood Cancer
A National Cancer Institute–funded survey of general internists asking about their attitudes and knowledge about the care of adult childhood cancer survivors has found that few internists are comfortable caring for these patients. Moreover, many are unfamiliar with the Children’s...
Preclinical Study Suggests E-Cigarettes May Contribute to Lung Cancer in High-Risk Individuals
A study of human bronchial epithelial cells carrying mutations in the TP53 and KRAS genes has found that e-cigarette vapors enhanced the cells’ cancerous behaviors. The study suggests that e-cigarette exposure may contribute to lung cancer in individuals at high risk for the disease. The...
Imprime PGG Added to Chemoimmunotherapy Shows Improved Outcomes in Advanced Lung Cancer Patients
The addition of Imprime PGG, a type of immunotherapy, to chemoimmunotherapy with carboplatin, paclitaxel, and cetuximab (Erbitux) resulted in improved response rates and overall survival rates in patients with late-stage, non–small cell lung cancer (NSCLC), according to the results of a phase ...
Science Magazine Names Cancer Immunotherapy as Scientific Breakthrough of the Year
While acknowledging that the full potential of cancer immunotherapy remains unclear, the editors of the journal Science said that the approach of using the immune system to attack tumors marks a turning point in the treatment of cancer. The successes of cancer immunotherapy in clinical trials in...
Novel BRAF Fusions Identified in 'Pan-Negative' Melanomas
A study by Sosman et al has identified two novel BRAF fusions in melanomas previously considered to be negative for molecular targets. In addition, these “pan-negative” melanomas were found to be sensitive to MEK inhibitors. According to the study, BRAF fusions define a new molecular...
Biologic Mechanism May be Linked to Racial Disparities in Prostate Cancer
In the United States, African American men are 1.6 times more likely to develop prostate cancer and more than 2.5 times as likely to die from the disease than non-Hispanic white men, according to the U.S. Department of Health & Human Services. A study by David P. Turner, PhD, Assistant...
Higher Levels of HSET Linked to More Aggressive Breast Cancers and Worse Outcomes in African American Women
Data from a study by Ritu Aneja, PhD, Associate Professor in the Department of Biology at Georgia State University in Atlanta, and colleagues indicate that overexpression of the protein HSET is a valuable prognostic biomarker in African American women with breast cancer, but not in Caucasian...
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,...
Interim Phase I/II Clinical Trial Data for VAL-083 Show Clinical Activity in Refractory Glioblastoma
Interim phase I/II clinical trial data for VAL-083—a bifunctional DNA alkylator that crosses the blood-brain barrier with preferential accumulation in brain tumor tissue—in patients with recurrent glioblastoma multiforme were presented by Shih et al at the 4th Quadrennial Meeting of the ...
Studies Reveal Multiple Gene Alterations Responsible for Drug Resistance in BRAF-Mutated Melanoma
Two studies using whole-exome sequencing of treatment-resistant BRAF-mutated melanomas have identified multiple gene alterations, mostly affecting the MAPK pathway. Molecularly profiling BRAF-mutated melanoma patients at the time of resistance may improve their care by tailoring combinations of...
New Studies Provide Insight Into Melanoma Drug Resistance Pathways and Strategy for Obtaining Durable Responses
Approximately 50% of metastatic melanomas harbor the BRAF mutation, and although most of these melanomas respond dramatically to treatment with BRAF inhibitors, such as vemurafenib (Zelboraf) and dabrafenib (Tafinlar), nearly all develop resistance to the drugs within 7 to 8 months. While previous...
New Mutation Found in the Estrogen Receptor May Cause Resistance to Breast Cancer Treatment
Most patients with estrogen receptor–positive metastatic breast cancer who initially respond to endocrine treatments will eventually develop resistance to the therapies. A study by Ido Wolf, MD, Head of the Oncology Department at the Tel Aviv Sourasky Medical Center in Israel, and colleagues...
One Dose of HPV 16/18 Vaccine Produces Durable Response Against New Infections
Results from the Costa Rica HPV16/18 Vaccine Trial (CVT) has found that 4-year efficacy against 12-month HPV16/18 persistent infection was similarly high among women who received one, two, or the recommended three doses of the bivalent HPV16/18 L1 virus-like particle vaccine (Cervarix). The...
Measuring Hormone Levels Could Improve Risk Assessment for Breast Cancer
The inclusion of multiple hormones—rather than just adding one or two individually—in breast cancer risk prediction models may improve prediction of the disease and could help better identify women who would benefit from chemoprevention, according to a study by Shelley S. Tworoger, PhD, ...
