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Showing 6051 - 6100Scripps Florida Investigators Detail Critical Role of NOTCH1 Gene in Many Lung Cancer Cases
Investigators from the Florida campus of The Scripps Research Institute have shown that NOTCH1, a well-known cancer-causing gene implicated in a number of malignancies, plays a far more critical role in non–small cell lung cancer (NSCLC) than previously thought. These findings establish the...
Smoking Cessation and Prevention App Free on iTunes
An app to prevent teens from smoking and encourage them to quit if they have started is now available at no cost on the Apple iTunes Store. “Our app combines education and entertainment with comics and interactive games,” said Designer Alexander Prokhorov, MD, PhD, a Professor in the...
New MRI Technique Reveals Brain Tumor Response to Antiangiogenesis Therapy
A new way of analyzing data acquired in magnetic resonance imaging (MRI) appears to be able to identify whether or not tumors are responding to antiangiogenesis therapy, which may help physicians determine the most appropriate treatments for patients. In a report published online in Nature...
Best of ASCO 2013: Promises and Challenges of Applying Molecular Profiling to Clinical Practice
A “new kind of pathology,” in which anatomy and histology are supplemented by molecular etiology, has been emerging over the past decade and promises better response rates among cancer patients as genomic alterations in cancer continue to be identified and treated with targeted...
Study Finds 1 in 5 Women Don’t Believe Their Breast Cancer Risk
Despite taking a tailored risk assessment tool that factors in family history and personal habits, nearly 20% of women did not believe their breast cancer risk, according to a new study from the University of Michigan Comprehensive Cancer Center. The findings, published in Patient Education and...
‘Reprogrammed’ Treatment-Resistant Lymphomas Respond to Azacitidine
A phase I clinical trial showed diffuse large B-cell lymphomas resistant to chemotherapy can be reprogrammed to respond to treatment after being pretreated with drug azacitidine (Vidaza), according to a study published in Cancer Discovery. Patients whose lymphomas recur after initial chemotherapy...
Researchers Identify Key Mechanism Behind Castration-Resistant Prostate Cancer
A team of researchers from UC Davis, UC San Diego, and other institutions has identified a key mechanism behind aggressive prostate cancer. Published online today in Nature, the study shows that two long noncoding RNAs, PRNCR1 and PCGEM1, activate androgen receptors, circumventing...
New Study Supports Role of Epithelial-to-Mesenchymal Transition in Patients With Ovarian Cancer
In a study of ovarian cancer cells taken from patients, scientists from Georgia Institute of Technology have confirmed that metastasizing cancer cells have a different molecular structure from primary tumor cells and display genetic signatures consistent with epithelial-to-mesenchymal transition....
Study Suggests Neural Stem Cells May Regenerate After Radiation Therapy
Scientists have long believed that healthy brain cells, once damaged by radiation designed to kill brain tumors, cannot regenerate. But new research in mice suggests that neural stem cells, the body's source of new brain cells, are resistant to radiation, and can be roused from a hibernation-like...
Burkitt Lymphoma Survival Outcomes Improve for Younger Patients
According to a new study published in the journal Cancer, the survival outcome of patients with Burkitt lymphoma has improved substantially over the past decade, with notable exceptions. To help doctors and researchers better understand who responds well to treatment and who does not, the study...
Vaccine Stirs Immune Activity Against Advanced Chronic Lymphocytic Leukemia
Patients with advanced chronic lymphocytic leukemia (CLL) often receive allogeneic transplants that effectively “reboot” their own immune defenses, which then attack and potentially cure the hard-to-treat disease. However, there is a high rate of relapse in these patients, and the...
Percentage of Cancers Linked to Viruses Potentially Overestimated
The results of a large-scale analysis of the association between DNA viruses and human malignancies suggest that many of the most common cancers are not associated with DNA viruses. The findings, published in the August issue of the Journal of Virology, challenge earlier studies suggesting that as...
Study Reveals Genes That Drive Glioblastoma
A team of researchers at the Herbert Irving Comprehensive Cancer Center at Columbia University Medical Center has identified 18 new genes responsible for driving glioblastoma multiforme, the most common—and most aggressive—form of brain cancer in adults. The study was published online...
Experts Discuss Challenges in Counseling Patients About Contralateral Prophylactic Mastectomy
Many factors play into why women diagnosed with breast cancer often choose overly aggressive treatment even when there is little evidence to show clinical benefit: the shock and fear of suddenly being confronted with a major health threat, the impression of having to make treatment decisions...
Researchers Target ‘Cell Sleep’ to Lower Chances of Cancer Recurrence
An international research team led by scientists at the University of Pittsburgh Cancer Institute (UPCI) discovered that by preventing cancer cells from entering a state of cellular sleep, cancer drugs are more effective, and there is a lower chance of cancer recurrence. The findings, published...
Blocking Sugar Intake May Reduce Cancer Risk or Progression in Certain Malignant Tumors
Blocking dietary sugar and its activity in tumor cells may reduce cancer risk and progression, according to researchers from the Icahn School of Medicine at Mount Sinai in New York. The study, conducted in fruit flies and published in the August issue of Cell, provides insight as to why...
Researchers Uncover How a Potent Compound Kills Prostate Cancer Cells
A new study led by researchers at Sanford-Burnham Medical Research Institute reveals how a promising anticancer compound called SMIP004 specifically kills prostate cancer cells by compromising their ability to withstand environmental stress. The study, recently published in Oncotarget, uncovered...
Acute Myeloid Leukemia Induces Bone Marrow Failure by Inhibiting Production of Hematopoietic Stem Cells
Scientists studying acute myeloid leukemia (AML) have discovered that rather than displacing hematopoietic stem cells in the bone marrow as previously believed, the cancer is in fact inhibiting production of downstream hematopoietic cells, effectively putting them to sleep. The findings were...
Decision Aids Reduce Men's Conflict about PSA Screening, but Don't Change Their Decisions
Men who decide to be screened for prostate cancer and those who forgo PSA screening stick with their decisions after receiving materials explaining the risks and benefits of the test, according to a study published in JAMA Internal Medicine. The study examined both Web-based and printed tools aimed ...
Large Study Reveals Increased Cancer Risks Associated with Family History of the Disease
A family history of cancer increases the risk of other members of the family developing not only the same, or concordant, cancer but also a different, or discordant, cancer, according to a large study of 23,000 people in Italy and Switzerland. The study, published in Annals of Oncology, provides a...
AACR Warns That Diminished NIH Funding Jeopardizes Ability to Eradicate Cancer Health Disparities
This afternoon, the American Association for Cancer Research (AACR) hosted a congressional briefing to highlight the significance of federally funded biomedical research in improving our understanding of cancer health disparities and developing targeted interventions to eliminate them. The...
Study Suggests Proteins Involved in Immunity May Be Responsible for Cancer-causing Mutations
A set of proteins involved in the body’s natural defenses produces a large number of mutations in human DNA, according to a study led by researchers at the National Institutes of Health. The findings, published in Nature Genetics, suggest that these naturally produced mutations are just as...
Cancer Survivors Might Have a Decreased Risk for Alzheimer's Disease
The results from a large cohort study of 3.5 million veterans in the Veterans Affairs (VA) Boston Healthcare System show that most types of cancer were associated with a reduced risk of developing Alzheimer’s disease of between 9% and 51%. The cancers associated with the greatest reduction in ...
Cancer Organizations Provide Support for Required Cancer Center Distress Screening Programs
The American Psychosocial Oncology Society (APOS) has announced recommendations to support a new criterion for cancer center accreditation. In 2015, the American College of Surgeons (ACoS) Commission on Cancer (CoC) will require cancer centers to implement screening programs for...
Most Commonly Used Ovarian Cancer Cell Lines Do Not Resemble Ovarian Cancer
Researchers from Memorial Sloan-Kettering Cancer Center recently discovered that the most frequently used cancer cell lines in ovarian cancer research are not suitable models of ovarian cancer. Their findings are the result of a detailed review of genomic data that recently became publicly...
Protein Targeted for Cancer Drug Development Is Essential for Normal Heart Function
Scientists at St. Jude Children’s Research Hospital have discovered that a protein used by cancer cells to evade death also plays a vital role in heart health. This dual role complicates efforts to develop cancer drugs that target the protein, but may lead to new therapies for heart muscle...
New Guidelines Issued in the Treatment of Multiple Myeloma–related Bone Disease
The International Myeloma Working Group (IMWG) has developed clinical practice recommendations for the management of multiple myeloma–related bone disease based on published study data through August 2012. Consensus of the interdisciplinary panel of clinical experts on the plasma-cell...
ASCO and Other Cancer Groups Ask for Guidance on Protecting Patient Access to Clinical Trials
A jointly signed letter by ASCO and more than 50 other cancer and health-care organizations to the Secretary of Health and Human Services (HHS) Kathleen Sebelius and Acting Secretary of the Department of Labor (DOL) Seth D. Harris asks that they provide clear federal regulations and guidance on...
FDA Grants Priority Review to Obinutuzumab in CLL and Pertuzumab in Neoadjuvant Therapy for HER2-positive Early-stage Breast Cancer
Two drugs were given Priority Review designation by FDA earlier this week. Obinutuzumab (GA101) was granted Priority Review for the treatment of chronic lymphocytic leukemia (CLL), based on final stage 1 data from the pivotal CLL11 trial. FDA also granted Priority Review to a pertuzumab (Perjeta)...
Scientists Develop Mathematical Model to Predict Cancer Cells’ Resistance to Therapy
New research using mathematical models of different types of cancer—including melanoma, pancreatic, and colorectal—to determine the evolutionary dynamics of lesions in response to treatment is revealing why and how cancer cells resist targeted therapies. The study by Ivana Bozic, PhD,...
Majority of Patients with Incurable Lung Cancer Have Inaccurate Expectations about Goals of Radiation Therapy
Aileen B. Chen, MD, MPP, of Dana-Farber Cancer Institute and Brigham and Women’s Hospital, and colleagues in the Cancer Care Outcomes Research and Surveillance (CanCORS) Consortium recently assessed patient expectations regarding goals of radiation therapy (RT) for incurable lung cancer. They ...
New Study Finds AICR Recommendations Cut Breast Cancer Risk
Postmenopausal women who follow at least five Recommendations for Cancer Prevention from the American Institute for Cancer Research (AICR) cut their risk of developing breast cancer by more than half, compared to those who meet none, suggests a new study that adds to previous research showing...
Chemotherapy-induced Neuropathy Has Long-term Effect on Colorectal Cancer Survivors
In a study reported in Journal of Clinical Oncology, Floortje Mols, PhD, of the Center of Research on Psychology in Somatic Diseases, Tilburg University, and colleagues assessed the prevalence and severity of chemotherapy-induced neuropathy and its affect on health-related quality of life in...
Observation Is Safe, Cost-saving Option for Patients with Low-risk Prostate Cancer
Many men with low-risk, localized prostate cancers can safely choose active surveillance or watchful waiting instead of undergoing immediate treatment and have better quality of life while reducing health-care costs, according to a study by researchers at Dana-Farber Cancer Institute and...
Global Alliance Is Formed to Share Genomic Data
This month, an international group of over 70 research and health-care organizations, academic centers, and medical societies, including ASCO, signed a letter of intent to form a global alliance to make medicine more effective by consolidating the world’s databases of genomic information. The ...
Human Genes May Not Be Patented, Rules the Supreme Court
The U.S. Supreme Court ruled unanimously on Thursday that isolated human genes may not be patented. However, the creation of synthetic forms of DNA, known as complementary DNA (cDNA), is eligible for patent protection. The decision resolves the question brought before the Supreme Court justices in...
Radioimmunotherapy/Chemotherapy Combination Could Extend Survival in Some Patients with Advanced Lymphoma
A new patient protocol for aggressive and recurrent lymphoma that combines intensive chemotherapy and radioimmunotherapy showed encouraging overall survival rates in some patients preparing for autologous bone marrow transplant, reported researchers at the 2013 Annual Meeting of the Society of...
Study Paves Way for Rational Drug Targeting of B-cell Lymphomas
A new study from Dana-Farber Cancer Institute may help clinicians and drug researchers choose the most promising genetic targets to attack in a common type of non-Hodgkin lymphoma. The report, published in the June 10 issue of Cancer Cellprovides a new, “big picture” view of an...
ASCO 2013: Surveillance Sufficient Follow-up for Most Patients with Stage I Seminoma
Surveillance appears to be sufficient for men with stage I seminoma treated with orchiectomy, sparing patients from side effects of adjuvant radiation or chemotherapy. In a long-term study presented at the 2013 ASCO Annual Meeting (Abstract 4502), 99.5% of men followed by surveillance alone...
Some Stage II/III HER2-positive Tumors May Be Treated with Targeted Therapy without Chemotherapy
Results from a multicenter phase II study of patients with locally advanced HER2-positive breast cancer who receive targeted therapy with trastuzumab (Herceptin) and lapatinib (Tykerb) “support the hypothesis that selected patients with HER2-positive tumors may not need...
ASCO 2013: Novel Heat Shock Protein Inhibitor Effective in Combination with Docetaxel as Second-line Therapy for Advanced Lung Cancer
A large randomized phase II study, GALAXY-1, found that a novel heat shock protein (Hsp) 90 inhibitor, ganetespib, when combined with docetaxel in second-line therapy, leads to longer overall survival compared to standard second-line docetaxel alone in patients with advanced lung adenocarcinoma...
ASCO 2013: More than 20% of African American Women Carry Inherited Mutations in at Least One Breast Cancer Susceptibility Gene
A genomic profiling study of African American women with breast cancer found that about one in five carries an inherited abnormality in at least 1 of 18 genes associated with breast cancer susceptibility. Such mutations were more prevalent among women with aggressive triple-negative breast cancer,...
Cytomegalovirus Might Speed Brain Cancer Growth
A study led by researchers at The Ohio State University Comprehensive Cancer Center – Arthur G. James Cancer Hospital and Richard J. Solove Research Institute (OSUCCC – James) and Dana-Farber Cancer Institute suggests that cytomegalovirus, a virus that infects most adults in the United...
ASCO 2013: Adapting to Ongoing Shortages of Common Cancer Drugs
A survey of 214 U.S. oncologists and hematologists found that more than 80% encountered cancer drug shortages between March and September of 2012, and many reported that shortages affected the quality of patient care they were able to provide. As physicians were forced to substitute more expensive...
ASCO 2013: Cervical Cancer Screening Using Visual Inspection with Vinegar Reduces Mortality by 31% in Large Study in India
Cervical cancer mortality was reduced by 31% over a period of 15 years among women screened with biennial visual inspection with acetic acid (VIA), or vinegar, delivered by primary health workers in a large randomized study conducted among 150,000 women in India. The researchers estimate this...
Genetic Diversity Predicts Outcomes in Head and Neck Cancer
A new measure of the heterogeneity of cells within a tumor appears to predict treatment outcomes of patients with the most common type of head and neck cancer. In the May 20 issue of the journal Cancer, investigators at Massachusetts General Hospital (MGH) and Massachusetts Eye and Ear...
Study Establishes Basis for Genomic Classification of Endometrial Cancers
A comprehensive genomic analysis of nearly 400 endometrial tumors suggests that certain molecular characteristics, such as the frequency of mutations, could complement current pathology methods and help distinguish between principal types of endometrial tumors, as well as provide insights into...
The U.S. Supreme Court Hears Arguments Challenging Patents on Breast and Ovarian Cancer Genes
The U.S. Supreme Court heard arguments Monday in a case seeking to invalidate patents on two genes associated with hereditary breast and ovarian cancer. The American College of Medical Genetics and Genomics (ACMG) was one of the first plaintiffs to sign onto this historic legal case. ACMG was also ...
Some Minorities Believe They Are Less Likely to Get Cancer Compared to Whites, Moffitt Cancer Center Study Shows
Researchers at Moffitt Cancer Center and colleagues analyzed national data to investigate the differences in cancer prevention beliefs by race and ethnicity. They found that minorities, including blacks, Asians, and Hispanics, have differing beliefs about cancer prevention and feel they are...
Key Bone Marrow Protein Identified as Potential New Leukemia Treatment Target
A new study on how the progression of acute lymphocytic leukemia (ALL) is influenced by the bone marrow environment has demonstrated for the first time that targeting a specialized protein known as osteopontin may be an effective strategy to increase the efficacy of chemotherapy in patients with...
