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Showing 2051 - 2100ASCO 2015: NCI-MATCH Trial Links Targeted Drugs to Genetic Abnormalities
Investigators for the nationwide trial NCI-MATCH: Molecular Analysis for Therapy Choice announced at the 2015 ASCO Annual Meeting in Chicago that the precision medicine trial will open to patient enrollment in July. The trial seeks to determine whether targeted therapies for people whose tumors...
ASCO 2015: Tumor Sequencing Study Highlights Benefits of Profiling Healthy Tissue
As the practice of genetically profiling patient tumors for clinical treatment decision-making becomes more commonplace, a recent study from The University of Texas MD Anderson Cancer Center suggests that profiling normal DNA also provides an important opportunity to identify inherited mutations...
ASCO 2015: Phase III Study Finds Nivolumab Improves Progression-Free Survival, Especially When Combined With Ipilimumab, in Advanced Melanoma
A randomized phase III trial among patients with previously untreated melanoma found that initial therapy with nivolumab (Opdivo) alone more than doubled the median progression-free survival compared with ipilimumab (Yervoy) alone (6.9 vs 2.9 months), and the benefit was even greater when the two...
ASCO 2015: Variations in Liver Cancer Attributable to Hepatitis Virus Variations
Significant clinical variations exist among patients with the most common type of liver cancer, hepatocellular carcinoma, depending on the viral cause of the disease—hepatitis B virus (HBV) or hepatitis C virus (HCV). These differences suggest that hepatitis status should be considered when...
Women With Inherited KRAS-Variant Mutation May Be at Increased Breast Cancer Risk Due to Acute Estrogen Withdrawal
Researchers at UCLA Jonsson Comprehensive Cancer Center have discovered that for women with a relatively common inherited mutation, known as the KRAS-variant, abrupt lowering of estrogen may increase their breast cancer risk and impact breast cancer biology. Scientists also found that women with...
Study Finds Noninvasive Colon Cancer Screening May Be Promising for African Americans
In a first-of-its-kind clinical trial, physician-scientists at University Hospitals (UH) Case Medical Center, Seidman Cancer Center, and Case Western Reserve University School of Medicine found that a new, noninvasive technology for colon cancer screening is a promising alternative to colonoscopy...
ASCO Provisional Clinical Opinion Update: HBV Screening for Cancer Patients Before Cancer Therapy
As reported in the Journal of Clinical Oncology by Hwang et al, ASCO has released a provisional clinical opinion update on screening of cancer patients for hepatitis B virus (HBV) infection before cancer treatment to reduce the risk of HBV reactivation. The ASCO consensus panel providing the update ...
Nine-Valent HPV Vaccine Protects Against 80% of Cervical Cancers
The new nine-valent human papillomavirus (HPV) vaccine (Gardasil 9) can potentially prevent 80% of cervical cancers in the United States, if given to all 11- or 12-year-old children before they are exposed to the virus. Additionally, the new vaccine, which includes seven cancer-causing...
Dutch Analysis Questions Breast Cancer Protective Effect of Salpingo-Oophorectomy in Healthy BRCA1/2 Mutation Carriers
In a Dutch study reported in the Journal of the National Cancer Institute, Heemskerk-Gerritsen et al in the Hereditary Breast and Ovarian Cancer in the Netherlands (HEBON) study group found no apparent reduction in the risk for breast cancer with salpingo-oophorectomy in healthy BRCA1/2 mutation...
ASCO 2015: Oral Vitamin Reduces Risk of Common Nonmelanoma Skin Cancers in High-Risk Patients
The Australian ONTRAC trial showed that a form of vitamin B3 called nicotinamide significantly reduced the rates of new skin cancers in people at high risk of the disease. Taken as a twice-daily pill, nicotinamide reduced the incidence of new nonmelanoma skin cancers by 23%. These findings were...
TAS-102 Significantly Improves Overall Survival in Patients With Metastatic Colorectal Cancer
A large, phase III international study of the oral agent TAS-102 in patients with heavily pretreated metastatic colorectal cancer has found that the therapy improved overall survival by 1.8 months and also delayed disease progression. TAS-102 had few side effects and was also effective in patients...
Circulating Tumor DNA Is a Promising Biomarker for Progression in Diffuse Large B-Cell Lymphoma
In a study reported in The Lancet Oncology, Roschewski et al found that interim monitoring of circulating tumor DNA in patients with diffuse large B-cell lymphoma distinguished more and less rapid progression and that surveillance monitoring identified recurrence well before clinical evidence was...
AACR 2015: Study Identifies a Frequent Genomic Alteration in Pleomorphic Invasive Lobular Carcinoma
Research from Rutgers Cancer Institute of New Jersey shows genomic profiling identifies mutations in a gene associated with a rare subset of breast cancer—mutations that cannot otherwise be identified with standard clinical analysis of cells and tissue. The findings, presented at the AACR...
AACR 2015: Subgroup of Men With Metastatic Prostate Cancer Respond to Olaparib Treatment
Men with metastatic, castration-resistant prostate cancer who had mutations in genes linked to repair of damaged DNA were significantly more likely to respond to treatment with olaparib (Lynparza) compared with patients who had the disease without these mutations. These findings from the first...
Frequency of Germline TP53 Mutations in Patients With Early-Onset Colorectal Cancer Not Meeting Criteria for Li-Fraumeni Syndrome
In a study reported in JAMA Oncology, Yurgelun et al identified germline TP53 mutations in multiple patients with early-onset colorectal cancer from the Colon Cancer Family Registry who did not meet clinical criteria for Li-Fraumeni syndrome. Li-Fraumeni syndrome is associated with increased risk...
Circulating Tumor DNA May Be Used to Detect EGFR Mutations in Lung Cancer
Cancer DNA circulating in the bloodstream of lung cancer patients can provide doctors with vital mutation information that can help optimize treatment when tumor tissue is not available, an international group of researchers has reported at the European Lung Cancer Conference (ELCC) in Geneva...
Platinum Monotherapy Particularly Active in BRCA1/2-Mutant Metastatic Triple-Negative Breast Cancer
In the phase II TBCRC009 trial reported in the Journal of Clinical Oncology, Isakoff et al found that platinum monotherapy was active in treatment of metastatic triple-negative breast cancer, particularly in cases with BRCA1/2 mutation, and that an assay of genomic instability characteristic of...
Key Tumor-Cell Proliferation Mechanism Identified in Pediatric Bone Cancers
A particular molecular pathway permits stem cells in pediatric bone cancers to grow rapidly and aggressively, according to researchers at NYU Langone Medical Center and its Laura and Isaac Perlmutter Cancer Center. These findings were published by Basu-Roy et al in Nature Communications. Study...
FDA Grants Breakthrough Therapy Designation to Rucaparib in Advanced Ovarian Cancer With BRCA Mutations
The U.S. Food and Drug Administration (FDA) has granted Breakthrough Therapy designation to Clovis Oncology’s investigational agent rucaparib as monotherapy treatment of advanced ovarian cancer in patients who have received at least two lines of prior platinum-containing therapy, with...
Circulating Tumor DNA in Blood May Predict Recurrence in Patients With Diffuse Large B-Cell Lymphoma
A study assessing whether circulating tumor DNA encoding the clonal immunoglobulin gene sequence could be detected in the serum of patients with diffuse large B-cell lymphoma has found that surveillance circulating tumor DNA enabled detection of microscopic disease before it could be seen on CT...
No Improvement in Complete Remission Rate With Cytarabine Plus Amonafide L-Malate vs Daunorubicin in Secondary AML
In a phase III trial reported in the Journal of Clinical Oncology, Stone et al found that the combination of cytarabine and amonafide L-malate, a DNA intercalator and non–ATP-dependent topoisomerase II inhibitor, did not improve complete remission rate compared with cytarabine plus...
Genome-Wide CRISPR Screen Provides Better Understanding of Tumor Evolution and Metastasis
Scientists from the Broad Institute and the Koch Institute for Integrative Cancer Research at MIT used CRISPR-Cas9 gene-editing technology to “knock out,” or turn off, all genes across the genome systematically in a mouse model of non–small cell lung cancer cells and then tested...
EGFR L858R Mutation in Circulating Free DNA From Blood Samples of Patients With Non–Small Cell Lung Cancer Shown to Be Negative Prognostic Marker
Using a novel polymerase chain reaction assay “to efficiently assess” epidermal growth factor receptor (EGFR) mutations in circulating free DNA (cfDNA) from blood samples of patients with advanced non–small cell lung cancer (NSCLC), the Spanish Lung Cancer Group has “shown...
Researchers Map Genomic Landscape of Childhood Adrenocortical Tumors for the First Time
In an advance that could lead to better identification of malignant pediatric adrenocortical tumors, and ultimately to better treatment, researchers have mapped the genomic landscape of these rare childhood tumors. Their genomic mapping has revealed unprecedented details, not only of the aberrant...
Inherited Gene Variation Leaves Young Leukemia Patients at Risk for Peripheral Neuropathy
St. Jude Children’s Research Hospital scientists have identified the first genetic variation that is associated with an increased risk and severity of peripheral neuropathy following treatment with a widely used anticancer drug. Investigators also found evidence of how it may be possible to...
Early Study Shows Cabazitaxel May Be More Effective Than Docetaxel in Some Patients With Advanced Prostate Cancer
In a new study reported by de Leeuw et al in Clinical Cancer Research, researchers found that the novel taxane cabazitaxel (Jevtana) has properties that could make it more effective than docetaxel in some patients with advanced prostate cancer. This hypothesis is currently being tested in a phase...
Adding Cetuximab to First-Line FOLFIRI Does Not Benefit Metastatic Colorectal Cancer Patients With RAS Mutations
The phase III CRYSTAL trial showed that the addition of cetuximab (Erbitux) to first-line FOLFIRI (fluorouracil, leucovorin, and irinotecan) significantly improved overall survival, progression-free survival, and objective response rates in patients with KRAS codon 12/13 (exon 2) wild-type...
Early Study Suggests Olaparib May Be Effective in Ovarian Cancers Expressing High Levels of POLQ
Last December, the U.S. Food and Drug Administration (FDA) approved olaparib (Lynparza) in the treatment of advanced ovarian cancer in women with BRCA1 or BRCA2 gene mutations. Now, a laboratory study by Ceccaldi et al has found that the drug may also be effective in breast and ovarian tumors that...
Scientists Identify Genetic Variations Linked to Treatment-Related Hearing Loss in Young Patients With Cancer
Using a genome-wide associated study approach, researchers have identified inherited genetic variations in the ACYP2 gene that were linked to as much as a fourfold greater risk of rapid hearing loss in young patients with newly diagnosed brain tumors treated with cisplatin chemotherapy. The study...
Analysis of Key Breast Cancer Genes Reveals Distinct Profiles for African American, European American Women
Researchers at Roswell Park Cancer Institute (RPCI) have uncovered new information that may begin to explain why many African American women are more likely to be diagnosed with aggressive, often deadly forms of breast cancer. Their findings also strengthen evidence that increased dietary folate...
Study Identifies New Pathway for Stalling BRCA-Mutated Tumor Growth in Mice and Human Cells
Inhibiting the action of a particular enzyme dramatically slows the growth of tumor cells tied to BRCA1 and BRCA2 genetic mutations that are closely tied to breast and ovarian cancers, according to researchers at New York University (NYU) Langone Medical Center. Senior investigator Agnel Sfeir,...
Study Sheds New Light on Syndrome Associated With Aggressive Pediatric Cancer
A new study involving researchers at The University of Nottingham has revealed how children with an aggressive cancer predisposition syndrome experience a never-before- seen flood of mutations in their disease in very short periods of time. The findings were published by Shlien et al in Nature...
Inherited Gene Variation Helps Explain Drug Toxicity in ALL Patients of East Asian Ancestry
Scientists at St. Jude Children's Research Hospital have discovered about 10% of young leukemia patients of East Asian ancestry inherit a gene variation that is associated with reduced tolerance of a drug that is indispensable for curing acute lymphoblastic leukemia (ALL), the most common childhood ...
Age-Related Clonal Hematopoiesis Associated With Increased Risk of All-Cause Mortality, Heart Disease, and Stroke, as Well as Blood Cancer
In a study reported in The New England Journal of Medicine, Jaiswal et al found somatic mutations associated with hematologic cancers at increasing frequency with increasing age, with presence of the mutations being associated with increased risk of hematologic cancers, all-cause mortality,...
Clonal Hematopoiesis With Somatic Mutations Increases With Age and Increases Risk of Hematologic Cancer and Mortality
In a study reported in The New England Journal of Medicine, Genovese et al found that clonal hematopoiesis with somatic mutations is increasingly common with greater age and is associated with increased risk of hematologic cancer. The presence of such clonal hematopoiesis in apparently healthy...
Researchers Identify Potential Treatment Targeting Proliferation Pathway in Some Aggressive Tumors
Researchers from the Massachusetts General Hospital (MGH) Cancer Center and Boston University School of Medicine (BUSM) have identified a potential treatment targeting a pathway by which several aggressive tumors maintain their ability to proliferate, according to a study by Flynn et al published...
TP53 Mutations May Play a Role in Treatment‑Related Acute Myeloid Leukemia and Myelodysplastic Syndrome
A genomic study of cancer patients previously treated with chemotherapy or radiation therapy found that TP53 mutations may play a role in the development of treatment-related acute myeloid leukemia (AML) and myelodysplastic syndrome, according to a report by Wong et al in Nature. However, the...
ATRX Mutation Linked to Brain and Pancreatic Neuroendocrine Tumors May Be Biomarker for Rare Adrenal Tumors
A somatic mutation in the ATRX gene has recently been identified as a potential molecular marker for gliomas, neuroblastomas, and pancreatic neuroendocrine tumors. Now, researchers at the Perelman School of Medicine at the University of Pennsylvania have found that the same mutated gene may serve...
ASCO Endorses ESMO Guideline on Hereditary Colorectal Cancer Syndromes
Approximately 5% to 6% of cases of colorectal cancer are associated with germline mutations conferring an inherited predisposition for disease. As reported by Stoffel et al in the Journal of Clinical Oncology, ASCO has endorsed, with qualifying statements, the European Society for Medical Oncology...
Scientists Discover the Role of Gene Mutations Involved in 75% of Glioblastomas and Melanomas
After initiating several biophysical computational studies, researchers have identified mutations that destabilize a DNA structure that turns a gene “off.” They found that these mutations occur at four specific sites in the human telomerase reverse transcriptase (hTERT) promoter in over ...
Addition of Hypoxia-Activated Prodrug TH-302 to Gemcitabine Improves Progression-Free Survival in Advanced Pancreas Cancer
TH-302 is a hypoxia-activated prodrug that releases the DNA alkylator bromo-isophosphoramide mustard in hypoxic settings. In a phase II trial reported in the Journal of Clinical Oncology, Borad et al found that the addition of TH-302 to gemcitabine improved progression-free survival in patients...
FDA Approves Companion Diagnostic for the Detection of BRCA1/2 Mutations in Ovarian Cancer
Today’s approval by the U.S. Food and Drug Administration (FDA) of olaparib (Lynparza) occurred concurrently with that of a companion diagnostic, BRACAnalysis CDx. This genetic test is designed to detect the presence of mutations in the BRCA genes in blood samples from patients with ovarian...
FDA Approves Olaparib to Treat BRCA-Mutated Advanced Ovarian Cancer
The U.S. Food and Drug Administration (FDA) today granted accelerated approval to olaparib (Lynparza) for women with advanced ovarian cancer with deleterious or suspected deleterious germline BRCA-mutated advanced ovarian cancer, as detected by an FDA-approved test, who have been treated with three ...
Targeted Next-Generation Sequencing Reveals a High Number of Genomic Mutations in Advanced Malignant Plural Mesothelioma
Next-generation sequencing in malignant pleural mesothelioma tumors shows a complex mutational setting with a high number of genetic alterations in genes involved in DNA repair, cell survival, and cell proliferation pathways, according to a study by Lo Iacono et al in the Journal of Thoracic...
Germline SUFU Mutations Cause Gorlin Syndrome and Increase Risk for Childhood Medulloblastoma
In a study to identify causative mutations in patients with Gorlin syndrome without PTCH1 mutations, Smith et al found that germline mutations in SUFU were associated with Gorlin syndrome and with increased likelihood of Gorlin syndrome–associated childhood medulloblastoma. The study is...
DNA Vaccine Targeting Mammaglobin-A Produces Robust Immune Response in Metastatic Breast Cancer
In a phase I study, a DNA vaccine targeting the breast cancer–associated antigen mammaglobin-A (MAM-A) was found to be safe and effective in eliciting immune responses in women with metastatic breast cancer. Preliminary evidence also suggests that the vaccine improved progression-free...
Addition of Vosaroxin to Cytarabine Demonstrates Antileukemic Activity in Relapsed or Refractory Acute Myeloid Leukemia
In a phase Ib/II study of patients with relapsed or refractory acute myeloid leukemia (AML), the addition of vosaroxin to cytarabine demonstrated antileukemic activity and an acceptable risk-benefit profile, according to a study by Lancet et al in Haematologica. Based on the findings from this...
Researchers Identify Biomarker of Response to New Ovarian Cancer Drug
Researchers have found a way to identify which ovarian cancer patients are likely to respond well to a new anticancer drug called rucaparib. Previous clinical trials have shown that women with platinum-sensitive tumors with BRCA1/2 mutations respond well to rucaparib. In new findings presented...
Interactions Between Genetic Variants and Sun Behaviors May Influence Future Melanoma Risk
The combination of different patterns of sun exposure experienced by children and biomarkers of melanoma risk, such as the number of freckles or moles that develop as a result, may play a large role in future melanoma risk, a study investigating gene and environmental interactions has found....
No Benefit of Adding Iniparib to Gemcitabine/Carboplatin in Metastatic Triple‑Negative Breast Cancer
In a phase III trial reported in the Journal of Clinical Oncology, O’Shaughnessy et al found that the addition of iniparib to gemcitabine and carboplatin did not improve overall survival or progression-free survival in patients with metastatic triple-negative breast cancer. An exploratory...
