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Showing 6501 - 6550Study 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...
Experimental Drug Shows Promise for Treatment-Resistant Leukemia
Research in mice and human cell lines has identified an experimental compound dubbed TTT-3002 as potentially one of the most potent drugs available to block genetic mutations in cancer cells blamed for some forms of treatment-resistant leukemia. The study by Ma et al, published in Blood, found that ...
Similar Progression-Free Survival With Panitumumab vs Bevacizumab Plus Modified FOLFOX6 in Wild-Type KRAS Exon 2 Metastatic Colorectal Cancer
In a phase II trial (PEAK) reported in the Journal of Clinical Oncology, Schwartzberg et al compared the EGFR inhibitor panitumumab (Vectibix) vs the VEGF-A inhibitor bevacizumab (Avastin) combined with modified fluorouracil, leucovorin, and oxaliplatin (FOLFOX6) in patients with previously...
Phase I Trial of New Antibody-Drug Conjugate Shows Promise Against All Forms of Melanoma
A small clinical study of a new investigational antibody-drug conjugate called DEDN6526A in patients with metastatic or unresectable cutaneous, mucosal, or ocular melanoma has found the drug to be safe and tolerable and demonstrated early evidence of antitumor activity. The findings were presented...
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...
Palbociclib Plus Letrozole Achieves Impressive Results in Metastatic Breast Cancer
First-line treatment with the combination of palbociclib plus letrozole extended progression-free survival by approximately 50% in patients with metastatic estrogen receptor–positive, HER2-negative breast cancer, according to final results of a randomized phase II study presented at the...
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 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...
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 ...
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...
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...
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,...
Immunotherapy Data Herald New Era of Lung Cancer Treatment
A new era of lung cancer therapy is dawning, using drugs that can prevent tumor cells from evading the immune system, experts reported at the 4th European Lung Cancer Congress. For decades, scientists and doctors thought immunotherapy was of marginal benefit in lung cancer, said ESMO spokesperson...
Locoregional Progression of Cervical Cancer Follows Reverse Ontogenetic Sequence
In a study reported in The Lancet Oncology, Höckel et al demonstrated that locoregional progression of cervical cancer follows the reverse sequence of establishment of adult tissues in ontogeny. Ontogenetic staging was a better predictor of survival than pathologic staging. Previous work by...
Phase II Study Suggests Benefit of Adding Rituximab to Chlorambucil in First-Line Treatment for Chronic Lymphocytic Leukemia
In a UK phase II study reported in the Journal of Clinical Oncology, Hillmen et al assessed the safety and activity of adding rituximab (Rituxan) to chlorambucil (Leukeran) in first-line treatment of chronic lymphocytic leukemia (CLL). Such a regimen may be an alternative to fludarabine-based...
PARP Inhibitor Veliparib Might Benefit Women With Resistant Gynecologic Cancers and BRCA Mutation
Preliminary research suggests that a targeted oral agent may improve outcomes while minimizing side effects in women with gynecologic cancers who carry a BRCA mutation and whose disease is not responding to other therapies. According to a phase II study presented at the Society of Gynecologic...
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...
Women With Gynecologic Cancers May Live Longer When Treated at High-Volume Medical Centers
Women with ovarian and other gynecologic cancers live significantly longer when they receive care at hospitals that treat a large number of patients with these conditions, according to research on more than 850,000 women. The findings, based on information from the nation’s largest cancer...
Women With BRCA1 Mutations May Still Be at Risk for Rare Types of Uterine Cancer After Preventive Salpingo-Oophrectomy
Women with BRCA1 mutations may have an increased risk for developing rare types of aggressive uterine cancer despite having their ovaries and fallopian tubes removed, suggest preliminary findings presented at the Society of Gynecologic Oncology (SGO) Annual Meeting on Women’s Cancer held ...
Bariatric Surgery May Lower Risk of Uterine Cancer
Women who had bariatric surgery to lose weight had a 70% lower risk of uterine cancer and an even lower risk if they kept the weight off, according to findings presented at the Society of Gynecologic Oncology (SGO) Annual Meeting on Women’s Cancer, held in Tampa, Florida, from March 22 to 25. ...
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 ...
Investigational Cancer Vaccine Shows Renewed Potential in Non–Small Cell Lung Cancer
Researchers at UC Davis have found that the investigational cancer vaccine tecemotide, when administered with the chemotherapeutic agent cisplatin, boosted immune response and reduced the number of tumors in mice with lung cancer. The study also found that radiation treatments did not...
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 ...
Analysis of SWOG Trials Indicates No Survival Difference After 1 Year in Cancer Patients Treated In vs Out of Clinical Trials
In a study reported in the Journal of the National Cancer Institute, Unger et al evaluated whether cancer patients from SWOG clinical trials were similar to nontrial patients in baseline characteristics and survival. They found that, overall, trial participation in standard treatment arms did not...
Genetic Testing May Improve Selection of Women With Estrogen Receptor–Positive Breast Cancer for 10 vs 5 Years of Hormonal Therapy
Genetic analyses of results from 1,125 postmenopausal women being treated for estrogen-responsive breast cancer have shown that some of them are more likely than others to have a late recurrence of their cancer and might benefit from 10 years of hormone therapy rather than 5 years. Women who had...
Postmastectomy Radiotherapy Benefits Women With Breast Cancer That Has Spread to One to Three Lymph Nodes
Women whose breast cancer has spread to just a few lymph nodes under their arm are less likely to have their disease recur or to die from it if they have radiotherapy after mastectomy, according to new research presented today at the European Breast Cancer Conference in Glasgow and published in The ...
American Association for Cancer Research Elects José Baselga, MD, PhD, as President-Elect 2014-2015
The members of the American Association for Cancer Research (AACR) have elected José Baselga, MD, PhD, Physician-in-Chief at Memorial Sloan Kettering Cancer Center in New York, as their President-Elect for 2014–2015. Dr. Baselga is an internationally recognized physician-scientist...
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...
Children With Cancer, Parents, and Providers Value Patient-Reported Outcomes Feedback
In a pilot trial (PediQUEST) reported in the Journal of Clinical Oncology, Wolfe et al assessed the effects of use of the PediQUEST electronic patient-reported feedback survey on health-related quality of life in children with advanced cancer. Although few significant improvements were observed,...
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 ...
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...
Pilot Study Shows Decision Aid Helps in Decision-Making Regarding Mammography Screening in Women Aged ≥ 75 Years
Although it is recommended that women aged ≥ 75 years be informed of the benefits and risks of mammography before being screened, it appears that this is not common practice. As reported in JAMA Internal Medicine by Schonberg et al, a decision aid developed by the investigators helped improved...
Erlotinib Plus Cisplatin-Based Chemoradiation May Prolong Survival of Patients With Locally Advanced Cervical Cancer
A new clinical study has found that erlotinib (Tarceva) has promising potential to improve treatment for cervical cancer. Published in Cancer, the findings by Nogueira-Rodrigues et al indicate that larger trials are warranted to determine whether the drug should become part of standard therapy for...
IDH1-Mutant Malignant Astrocytomas May Be More Amenable to Surgical Resection and Linked to Better Prognosis
IDH1 mutation in patients with malignant astrocytomas may serve as a predictive molecular biomarker to guide aggressive surgical resection, according to the results of a study reported by Beiko et al in Neuro-Oncology. Maximal surgical resection may contribute a survival benefit in those who have...
Fertility Concerns Affect Treatment Choices in Young Women With Breast Cancer, but Few Use Preservation Options
Little is known about how fertility concerns affect treatment decisions or fertility preservation strategies at the time of initial diagnosis of breast cancer. In an ongoing multicohort study reported in the Journal of Clinical Oncology, Ruddy et al found that most young women with breast cancer...
Lung Complications Measured by Simple Questionnaire Predict Survival in Chronic Graft-vs-Host Disease
A simple questionnaire that rates breathing difficulties on a scale of 0 to 3 may be able to predict survival in patients with chronic graft-vs-host disease, according to a study by Palmer et al published in Biology of Blood and Marrow Transplantation. Although a poor National Institutes of Health ...
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 ...
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...
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...
‘Real World’ Safety Study of Vemurafenib in BRAF V600–Mutated Metastatic Melanoma Shows Similar Safety Profile as Pivotal Trials
As reported in The Lancet Oncology by Larkin et al, interim results of a safety study designed to reflect the spectrum of patients encountered in routine practice suggest that vemurafenib (Zelboraf) has a safety profile in patients with BRAF V600–mutated metastatic melanoma similar to that...
