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Showing 1501 - 1550New Blood Test for Colorectal Cancer Recurrence: Twice as Sensitive as CEA Test
In a new report published by Young et al in Cancer Medicine,1 a two-gene circulating tumor DNA (ctDNA) blood test for postsurgical monitoring of colorectal cancer recurrence has been shown to detect twice the number of recurrence cases as carcinoembryonic antigen (CEA) testing, a standard-of-care...
ASCO Introduces Two New Journals: JCO Precision Oncology and JCO Clinical Cancer Informatics
ASCO is excited to launch two new online-only journals, JCO Precision Oncology (JCO PO) and JCO Clinical Cancer Informatics (JCO CCI). Both journals will be exploring the latest topics in oncology and filling a void for the oncology community. Manuscripts will go through the traditional peer-review ...
Multiple Genetic Mutational Signatures Associated With Smoking
Scientists have measured the genetic damage caused by smoking in different organs of the body and identified several different mechanisms by which tobacco smoking causes mutations in DNA. Researchers at the Wellcome Trust Sanger Institute, the Los Alamos National Laboratory, and their collaborators ...
Daratumumab Produces Sustained Remission in a Patient With Refractory Extranodal NK Cell–T-Cell Lymphoma
In a letter to the editor in The New England Journal of Medicine, Hari et al described a sustained response to the anti-CD38 antibody daratumumab (Darzalex) in a patient with relapsed, refractory nasal-type extranodal natural killer (NK) cell–T-cell lymphoma. In September 2014, a 56-year-old ...
Presence of Oral Bacterium in Esophageal Cancer Samples Associated With Shorter Patient Survival
Among Japanese patients with esophageal cancer, those whose cancer tested positive for DNA from the bacterium Fusobacterium nucleatum had shorter cancer-specific survival compared with those whose cancer had no DNA from the bacterium, according to study results published by Yamamura et al in...
24-Gene Predictor of Response to Postoperative Radiotherapy in Prostate Cancer
In a matched retrospective analysis reported in The Lancet Oncology, Zhao et al identified and validated a 24-gene predictor of response to postoperative radiotherapy in prostate cancer. The analysis involved data from patients from five published U.S. studies (cohort, case-cohort, and...
New Blood Test for Colorectal Cancer Recurrence Is Twice as Sensitive as CEA Test
In a new report published by Young et al in Cancer Medicine, a two-gene circulating tumor DNA (ctDNA) blood test for postsurgical monitoring of colorectal cancer (CRC) recurrence has been shown to detect twice the number of recurrence cases as carcinoembryonic antigen (CEA) testing, a standard of...
Key Guideline Recommendations
Human papillomavirus (HPV) DNA testing is recommended in all resource settings; visual inspection with acetic acid (VIA) may be used in the basic setting as a “stepping stone” that helps build health service capacity until HPV testing becomes available. Although cotesting with HPV and Papanicolaou...
Donor Selection for HLA-Matched Hematopoietic Cell Transplantation
Question 1: Which statement about donor selection for allogeneic hematopoietic cell transplant is correct? Correct Answer: C. If a donor is available, the genotypic identity between the patient and his brother should be established by typing the patient’s parents; if this is not possible, the...
Using Pharmacogenetics to Predict Cancer Prognosis, Response to Treatment, and Toxicity
Although clinical trials are helpful in determining the effectiveness of a specific drug across a patient population, they are not as reliable at pinpointing how well a particular patient will respond to the drug or dosing regimen or how the drug may impact the patient’s quality of life from...
ESMO 2016: Dabrafenib/Trametinib/Panitumumab Improves Efficacy in BRAF Mutation–Positive Metastatic Colorectal Cancer
Patients with metastatic colorectal cancer and tumors harboring the BRAF V600E mutation who received triple therapy with dabrafenib (Tafinlar), trametinib (Mekinist), and panitumumab (Vectibix) showed an improved best overall response and prolonged progression-free survival compared to...
St. Jude Children’s Research Hospital and Sanger Institute, UK Agree to Full Exchange of Cancer Data
St. Jude Children’s Research Hospital and the Wellcome Trust Sanger Institute, UK, have agreed to a full exchange of cancer mutation data to support the discovery and understanding of genetic mutations causing cancers. The agreement will provide regular updates and exchanges of data between both...
ESMO 2016: Antitumor Activity Demonstrated With Lurbinectedin in Patients With Metastatic Breast Cancer and BRCA Mutations
Lurbinectedin showed promising clinical benefit in pretreated patients with metastatic breast cancer and BRCA1 or BRCA2 mutations, including patients previously treated with platinum, according to phase II trial results presented by Balmaña et al at the 2016 European Society for Medical...
Characteristics of HPV-Driven Nonoropharyngeal Squamous Cell Carcinomas of the Head and Neck
In a study reported in the Journal of Clinical Oncology, Chakravarthy et al found that human papillomavirus (HPV)-driven tumors accounted for 4.1% of nonoropharyngeal squamous cell carcinomas of the head and neck. HPV-positive tumors were associated with poorer survival and reduced...
ESMO 2016: Niraparib Significantly Improves Outcomes in Platinum-Sensitive Recurrent Ovarian Cancer
The PARP inhibitor niraparib significantly improves the outcome of platinum-sensitive recurrent ovarian cancer, according to full data from the ENGOT-OV16/NOVA trial presented by Mirza et al at the 2016 European Society for Medical Oncology (ESMO) Congress in Copenhagen (Abstract LBA3_PR), and...
Using Watson to Analyze Genomic Data to Personalize Treatment for Patients With Cancer
Three years ago, IBM’s Watson supercomputer was best known for defeating two former champions on the TV game show Jeopardy! Today, it is grabbing headlines for becoming an important assistant in cancer care. Able to read and understand millions of pages of text within seconds, Watson caught the...
Daratumumab Plus Bortezomib/Dexamethasone: Changing the Treatment Paradigm in Relapsed or Refractory Myeloma
The CD38 antigen was first recognized on normal and abnormal plasma cells over 3 decades ago. Indeed, this antigen was originally classified as T10, as it was the tenth antigen described on T cells. Its distribution of expression included activated B and T cells, natural killer cells, leukocytes,...
Salk Institute’s Clodagh O’Shea, PhD, Named Howard Hughes Medical Institute Faculty Scholar
Clodagh O’Shea, PhD, Associate Professor in the Salk Institute’s Molecular and Cell Biology Laboratory, is among the first recipients of a grant from the Faculty Scholars Program, a new partnership of Howard Hughes Medical Institute (HHMI), the Bill and Melinda Gates Foundation, and the Simons...
Addition of CHK1 Inhibitor Radiosensitizes Head and Neck Cancers to Paclitaxel-Based Chemoradiotherapy
Combining a new targeted drug that blocks one of cancer’s escape routes could boost the effectiveness of combined chemoradiotherapy for head and neck cancers and stop cells becoming resistant to treatment. Researchers at The Institute of Cancer Research, London (ICR), and The Royal Marsden...
Blood Biomarkers in Abiraterone- or Enzalutamide-Resistant Prostate Cancer Tumor Cells
While searching for a noninvasive way to detect prostate cancer cells circulating in blood, Duke Cancer Institute researchers have identified some blood markers associated with tumor resistance to two common hormone therapies. In a study published by Gupta et al in Clinical Cancer Research, a team...
2016 Lasker Awards Honor Scientists for Basic and Clinical Medical Research, Special Achievement
The Albert and Mary Lasker Foundation has announced the winners of the 2016 Lasker Awards for medical science: William G. Kaelin, MD; Peter J. Ratcliffe, MD, FRCP, FMedSci, FRS; and Gregg L. Semenza, MD, PhD for basic medical research; Ralf F.W. Bartenschlager, PhD; Charles M. Rice, PhD;...
Pioneer in Chemoradiation Robert B. Livingston, MD, Dies
Over the past couple of decades, chemoradiation for several cancers, such as lung and breast, has advanced in efficacy and side-effect tolerance, prolonging survival and quality of life for patients. One of the pioneers in chemoradiation, Robert B. Livingston, MD, died on September 8, 2016. Dr....
Updated USPSTF Guidelines for Colorectal Cancer Screening: More Methods, More Challenges for Patients and Providers Alike
As reviewed in this issue of The ASCO Post, the U.S. Preventive Services Task Force (USPSTF) recently updated its guidelines for colorectal cancer screening1 from 2008 and has now included seven acceptable strategies, including direct-visualization modalities (ie, endoscopy and computed tomography...
New USPSTF Recommendations for Colorectal Cancer Screening
As reported in JAMA, the U.S. Preventive Services Task Force (USPSTF) has issued new recommendations for colorectal cancer screening.1 In brief, the USPSTF recommends colorectal cancer screening starting at age 50 years and continuing until age 75 years (grade A recommendation = “The USPSTF...
Routine PET Surveillance Discouraged in Large Cell Lymphoma
There is no role for routine imaging as a means of following patients with large cell lymphoma, according to Bruce D. Cheson, MD, Deputy Chief of Hematology-Oncology and Professor of Medicine at Georgetown University Hospital, Lombardi Comprehensive Cancer Center, Washington, DC. “Routine...
DNA Methylation Assay May Improve Diagnosis of Cancer of an Unknown Primary
As reported in The Lancet Oncology, Moran et al developed a classifier of cancer type based on microarray DNA methylation signatures (EPICUP assay), which has showed promise in diagnosing cancers of an unknown primary. Study Details The tumor type classifier was developed in a training set of...
Multitude of Mentors Help Shape an Illustrious Career in Oncology
Sumanta K. Pal, MD, has had a longer career in oncology than many other colleagues his age. Perhaps the reason for that may center on his starting college at the age 13 and medical school at the age of 17. Today this internationally recognized leader in genitourinary cancers is Assistant Professor ...
Gene Overexpression Scoring System May Accurately Predict Patient Response to Cancer Treatments
Researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) identified 14 genes regulating genome integrity that were consistently overexpressed in a wide variety of cancers. They then created a scoring system based upon the degree of gene overexpression. For...
Epigenetic Dysregulation of MicroRNA-34A Identified in TP53-Related Cancer Risk
In a genome-wide DNA-methylation analysis to identify genes implicated in Li-Fraumeni syndrome, Samuel et al found a significant association of loss-of-function <em>TP53</em> mutations with differential methylation at the locus encoding microRNA-34A (miR-34A). The study was reported in...
Study Finds Genetic Risk Variants in Half of Patients With Sarcoma
In an international genetic study (International Sarcoma Kindred Study) reported in The Lancet Oncology, Ballinger et al found that approximately half of all patients with sarcoma harbored potentially pathogenic monogenic and polygenic variation in known and novel cancer genes. Study Details The...
FDA Accepts New Drug Application, Grants Priority Review of Rucaparib for the Treatment of Advanced BRCA-Mutant Ovarian Cancer
The U.S. Food and Drug Administration (FDA) has accepted Clovis Oncology’s New Drug Application (NDA) for accelerated approval of rucaparib and granted Priority Review status to the application with a Prescription Drug User Fee Act date of February 23, 2017. Rucaparib is an...
Plasma vs Tissue Genotyping and Outcomes With Osimertinib in Advanced Non–Small Cell Lung Cancer
Patients with advanced non–small cell lung cancer (NSCLC) positive for the epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor T790M resistance mutation on a plasma assay had similar outcomes with the EGFR tyrosine kinase inhibitor osimertinib (Tagrisso) as did those who were positive ...
Helen F. Graham Cancer Center and The Wistar Institute Partner to Expand Research in Gene Editing
To accelerate breakthrough cancer research in the human genome, the Gene Editing Institute at Christiana Care’s Helen F. Graham Cancer Center & Research Institute has entered into an agreement with The Wistar Institute. The agreement expands the historic partnership between the Graham Cancer...
Prevalence of Estrogen Receptor Mutations in Patients With Metastatic Breast Cancer
A new study published online by JAMA Oncology examined the prevalence and significance of estrogen receptor mutations in patients with metastatic breast cancer.1 The activation of the estrogen receptor is a feature of most breast cancers in which estrogen receptor expression is detected. An...
New Preclinical Study Shows Esophageal Cancers Driven by 'Marginal Gain' Rather Than Speed
Wellcome Trust Sanger Institute scientists have shown that unexpectedly, esophageal cancer cells do not divide faster than their normal neighbors. Unlike normal cells, however, the tumor cells produce slightly more dividing daughter cells than nondividing cells, forming a tumor. The study,...
Combination Obinutuzumab Regimen Active in Aggressive Diffuse Large B-Cell Lymphoma
In a small phase Ib/II study, 100% of patients with newly diagnosed diffuse large B-cell lymphoma evaluated thus far responded to treatment with obinutuzumab (Gazyva), lenalidomide (Revlimid), and CHOP (cyclophosphamide, doxorubicin, vincristine, prednisone), investigators from the University of...
Study Finds ‘Bursts’ of Chromosome Changes Fuel Breast Cancer Tumor Growth
As with most cancers, triple-negative breast cancer cells have abnormal amounts of chromosomes or DNA copy number aberrations in their genomes. A new study used single-cell sequencing technology to provide previously unknown details about how and when copy number aberrations impact tumor...
Preclinical Study Finds Etoposide May Damage Developing Ovaries of Female Fetuses
The chemotherapy drug etoposide may have adverse effects on the developing ovaries of female fetuses, according to a preclinical study of mouse cells published by Stefansdottir et al in BMC Cancer. Norah Spears, DPhil, the corresponding study author and Professor of Reproductive Physiology at the...
Study Explores How Breast Cancers Resist Chemotherapy
A laboratory study led by scientists at the National Institutes of Health investigating how BRCA1- and BRCA2-mutant cell breast cancers eventually acquire resistance to DNA-damaging drugs has identified several proteins that promote destabilization of replication forks and contribute to drug...
Internationally Renowned Geneticist, Alfred George Knudson, MD, PhD, Dies
Considered a visionary in cancer research, Alfred George Knudson, MD, PhD, was internationally recognized for his “two-hit theory” of cancer causation, which explained the relationship between hereditary and nonhereditary cancer types, predicting the existence of tumor suppressor genes. Dr. Knudson ...
Multiple Means to Realize the Benefits of Colorectal Cancer Screening
In an updated recommendation statement, the U.S. Preventive Services Task Force (USPSTF) continues to strongly recommend screening for colorectal cancer for asymptomatic adults aged 50 through 75; but rather than emphasize specific screening strategies, it notes there are multiple screening...
The Building Block of Life, Brick by Brick
BookmarkTitle: The Gene: An Intimate HistoryAuthor: Siddhartha Mukherjee, MDPublisher: ScribnerPublication date: May 2016Price: $32.00; hardcover, 608 pagesOn February 28, 1953, James Watson and Francis Crick entered The Eagle, a favorite watering hole for researchers working at the University of...
FDA Advances Precision Medicine Initiative by Issuing Draft Guidances on Next-Generation Sequencing–Based Tests
In support of the President’s Precision Medicine Initiative, on July 6, the U.S. Food and Drug Administration (FDA) issued two draft guidances. When finalized, they will provide a flexible and streamlined approach to the oversight of tests that detect medically important differences in a person’s...
Study Finds New Whole-Exome Sequencing Test Accurately Identifies Actionable Mutations
Exome Cancer Test v1.0 (EXaCT-1), a new whole-exome sequencing test developed by the Englander Institute for Precision Medicine at Weill Cornell Medicine, detected mutations that guide precision cancer treatment with over 95% accuracy, according to a study by Rennert et al published in Genomic ...
POLE Mutations in Colorectal Cancer May Identify Patients With a Better Prognosis
A collaboration between multiple European institutions has uncovered a correlation between a rare mutation in colorectal cancers and a better prognosis, raising the possibility that patients with such tumors may not require chemotherapy after surgery. Findings were published by Domingo et al in The ...
Discovery of Fragment Length of Circulating Tumor DNA Might Increase Liquid Biopsy Sensitivity
The liquid biopsy may be a welcome reprieve from typical biopsies. The minimally invasive test could reduce the need for the sometimes painful and risky procedures involved in sampling tumors, particularly those that reside deep within the body. However, thus far, the utility of the test has been...
The Metastatic Breast Cancer Project: Direct-to-Patient Research Initiative
A nationwide project is enlisting patients with breast cancer to share their tumor samples and clinical information. Launched in October 2015, the Metastatic Breast Cancer (MBC) Project has enrolled more than 2,000 patients from all 50 states and is yielding information that will be shared with...
Using Social Media to Accelerate Genomic Research
The success of using social media to push forward causes for social good was a driving factor in the launch this past October of the Metastatic Breast Cancer Project (MBC project), which aims to accelerate the understanding of what makes patients with metastatic breast cancer genetically unique....
Internationally Renowned Geneticist, Alfred George Knudson, MD, PhD, Dies
Considered a visionary in cancer research, Alfred George Knudson, MD, PhD, was internationally recognized for his “two-hit theory” of cancer causation, which explained the relationship between hereditary and nonhereditary cancer types, predicting the existence of tumor-suppressor genes. ...
Plasma vs Tissue Genotyping and Outcomes With Osimertinib in Advanced Non–Small Cell Lung Cancer
Patients with advanced non–small cell lung cancer (NSCLC) positive for the epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor T790M resistance mutation on a plasma assay had similar outcomes with the EGFR tyrosine kinase inhibitor osimertinib (Tagrisso) as did those who were...
