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Maximilian Diehn, MD, PhD, on Liquid Biopsies/Cell-Free DNA: Clinical Uses
Maximilian Diehn, MD, PhD, of Stanford School of Medicine, discusses promising clinical applications of circulating tumor DNA in patients with thoracic malignancies: noninvasive detection of resistance mechanisms to targeted agents and treatment response assessment.
Thoracic 2017: Genetic Profile of Treatment-Resistant Lung Cancer More Variable Than Previously Thought
The genetic mutations underlying treatment resistance in non–small cell lung cancer (NSCLC) are more complex and dynamic than previously thought. Analysis of 355 biopsied tumors from patients who acquired resistance to epidermal growth factor receptor (EGFR) inhibitors, the most common form...
Thoracic 2017: Biomarker Test Shows Cancer Recurrence Months Before CT Scans
Results from a prospective clinical trial showed that a blood test looking at specific biomarkers was able to detect recurrences of lung cancer an average of 6 months before conventional imaging methods found evidence of recurrence. In the largest prospective clinical trial to date of circulating...
Association of DNA Thioguanine Nucleotide Concentration and Outcome During Maintenance Therapy for Childhood ALL
In a substudy of a European phase III trial (Nordic Society of Pediatric Hematology and Oncology ALL2008) reported in The Lancet Oncology, Nygaard Nielsen et al found that higher leukocyte DNA-incorporated thioguanine nucleotide (DNA-TGN) levels were associated with an improved relapse-free...
Can Antiviral Therapy Prevent Liver Cancer in Patients With Chronic Hepatitis?
Chronic viral hepatitis is a major causative factor for hepatocellular carcinoma, but antiviral therapy might reduce the incidence of hepatocellular carcinoma by preventing or eliminating chronic hepatitis infections, according to Adrian M. Di Bisceglie, MD, Professor of Internal Medicine at Saint ...
Germline Cancer Susceptibility Mutations in Early-Onset Colorectal Cancer
In a study reported in JAMA Oncology, Pearlman et al found that 16% of patients with early-onset colorectal cancer had germline cancer susceptibility mutations, with a wide array of such mutations being identified. Heather Hampel, MS, CGC, of The Ohio State University Comprehensive Cancer Center,...
A Decade of Lessons Learned From EGFR-Targeted Therapy
To summarize the lessons learned from the development of epidermal growth factor receptor (EGFR)-targeted therapy, one only has to go back about 10 years, according to Frances A. Shepherd, MD, Scott Taylor Chair in Lung Cancer Research at Princess Margaret Cancer Centre and Professor of Medicine at ...
Phase II Trial Evaluates New Gene Therapy for Non–Muscle Invasive Bladder Cancer After BCG
A novel approach using intravesical gene therapy showed promising activity in a phase II trial that enrolled patients with bacillus Calmette-Guérin (BCG)-refractory or -relapsed nonmuscle invasive bladder cancer.1 The rate of high-grade relapse-free survival at 12 months was 35% in patients treated ...
Circulating Tumor DNA as a Prognostic Marker in Pancreatic Cancer
Translational research in pancreatic adenocarcinoma has been limited by the difficulty of obtaining sufficient quality and quantity tumor tissue from patients. A study by Pietrasz et al assessing the feasibility and prognostic value of circulating tumor DNA (ctDNA) in pancreatic adenocarcinoma has...
Bright Future for Osimertinib in EGFR T790M–Positive Lung Cancer
The AURA3 study—reported by Mok and colleagues and reviewed in this issue of The ASCO Post—confirms the dramatic activity of osimertinib (Tagrisso) in patients with advanced epidermal growth factor receptor (EGFR)-mutant non–small cell lung cancer (NSCLC) and acquired resistance to prior EGFR...
Update on Fertility Outcomes Among Survivors of Childhood Cancer
“Estimates suggest that by the year 2020, there will be over 500,000 adult survivors of childhood cancer in the United States,” Daniel A. Mulrooney, MD, MS, of the Division of Cancer Survivorship, St. Jude Children’s Research Hospital, Memphis, reported at the 10th Oncofertility Conference in...
Guru Sonpavde, MD, on Prostate Cancer: Targeting DNA Alterations
Guru Sonpavde, MD, of the UAB Comprehensive Cancer Center, discusses his study on circulating tumor DNA alterations in metastatic castration-resistant prostate cancer and the therapeutic direction the data suggest. (Abstract 149)
Sumanta K. Pal, MD, on RCC and Tumor Profiling
Sumanta K. Pal, MD, of the City of Hope, discusses the evolution of circulating tumor DNA profile from first-line to second-line therapy in metastatic renal cell carcinoma. (Abstract 434)
Joshua M. Lang, MD, on Prostate Cancer: Best of the Journals
Joshua M. Lang, MD, of the University of Wisconsin Carbone Cancer Center, discusses genomic alterations in DNA damage–repair pathways––more common in patients with prostate cancer than previously recognized–– and clinical trials with PARP inhibitors.
Expert Point of View: Frank Sinicrope, MD
Frank Sinicrope, MD, Professor of Medicine and Oncology at the Mayo Clinic, Rochester, Minnesota, told The ASCO Post that anti–programmed cell death protein 1 (anti–PD-1) agents “have already changed the landscape” of metastatic colorectal cancer. “We are currently treating microsatellite...
CheckMate 142 Update: Prolonged Disease Control With Nivolumab in Deficient Mismatch Repair Colorectal Cancer
With 6 additional months of follow-up since the initial presentation of results, in the phase II CheckMate 142 trial, 74% of heavily pretreated patients with metastatic colorectal microsatellite instability–high (MSI-H) cancers are alive after single-agent treatment with nivolumab (Opdivo).1...
2017 GU Cancers Symposium: Blood Test Uncovers Potential New Treatment Targets in Advanced Prostate Cancer
Analysis of free-floating cancer DNA from blood samples has yielded leads for new prostate cancer treatment targets. Using a commercially available “liquid biopsy” test in patients with advanced prostate cancer, researchers found a number of genetic changes in cell-free, circulating...
Researchers Identify ‘Synthetic Essentiality’ as Novel Approach for Locating Cancer Therapy Targets
A new method has been found for identifying therapeutic targets in cancers lacking specific key tumor suppressor genes. The process, which located a genetic site for the most common form of prostate cancer, has potential for developing precision therapy for other cancers, such as breast, brain, and ...
Oliver Smithies, PhD, Nobel Laureate Who Discovered Gene Targeting, Dies
The ability to artificially alter DNA opens the door to new scientific understanding and treatments for various diseases. Oliver Smithies, PhD, made the crucial discovery that a disease-causing gene could be modified. For that and other groundbreaking work, he, along with two other scientists, was ...
Serum DNA Methylation as Predictive Marker in Metastatic Breast Cancer
In the Translational Breast Cancer Research Consortium (TBCRC) 005 prospective biomarker study, reported in the Journal of Clinical Oncology by Kala Visvanathan, MBBS, MHS, of Johns Hopkins University, and colleagues, a cumulative methylation index was found to be predictive of progression-free...
Liquid Biopsies Show Promise in Diffuse Large B-Cell Lymphoma
Technologic advances for detecting and analyzing cell-free circulating tumor DNA (ctDNA) from peripheral blood offer a precision method for monitoring diffuse large B-cell lymphoma (DLBCL). Although most patients with DLBCL are cured with initial therapy, those who are not cured have a poor...
Circulating Tumor DNA Profiling Identifies Clonal Evolution Patterns and Permits Classification of Tumor Subtypes in DLBCL
In a study reported in Science Translational Medicine, Florian Scherer, MD, David M. Kurtz, MD (Conquer Cancer Foundation Young Investigator), Aaron M. Newman, PhD, and colleagues from Stanford University found that analysis of circulating tumor DNA (ctDNA) permits identification of patterns of...
On the Horizon: New Tools for Prostate Cancer
The field of prostate cancer is being energized by discoveries in genetics, novel imaging techniques, and the potential of checkpoint inhibitors in the treatment of prostate cancer. Not all of these advances are currently clinically actionable, but all have the potential to change clinical...
Early Success Reported With Two New Agents for High-Risk Myelodysplastic Syndromes
At the 2016 American Society for Hematology (ASH) Annual Meeting & Exposition, researchers reported early success with two new experimental agents for high-risk myelodysplastic syndromes—enasidenib (also known as AG-221), a potent oral inhibitor of the isocitrate dehydrogenase 2 (IDH2) enzyme,...
Immunotherapy 2.0 Named Advance of the Year in ASCO's Report
A growing number of patients with cancer are benefiting from research advances in immunotherapy, leading ASCO to name immunotherapy as the Society's Advance of the Year for a second year in a row. Released today, Clinical Cancer Advances 2017: ASCO's Annual Report on Progress Against Cancer...
New Molecular-Based Prognostic Model for Glioblastoma in Temozolomide Era
In a study reported in JAMA Oncology, Bell et al derived a molecular-based recursive partitioning analysis model for overall survival in glioblastoma multiforme in the temozolomide era with the aim of refining existing clinically based models. Study Details The study involved analysis of 452...
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. Felix Y. Feng, MD, of the University of California, San Francisco, is the corresponding author of The Lancet...
Rucaparib in Previously Treated BRCA Mutation–Associated Ovarian Cancer
On December 19, 2016, rucaparib (Rubraca) was granted accelerated approval for the treatment of patients with deleterious BRCA mutation–associated (germline or somatic) advanced ovarian cancer who have received two or more prior chemotherapy regimens.1,2 The U.S. Food and Drug Administration (FDA) ...
ASCO Launches First Journal Dedicated to Precision Oncology
ASCO has launched a new journal dedicated to precision oncology, JCO Precision Oncology (JCO PO). JCO PO features original clinical research, scientific reviews, and editorials on genomics. James M. Ford, MD, the journal’s Editor-in-Chief, said JCO PO offers precision oncologists a place to...
PARP Inhibitor Niraparib Yields ‘Unprecedented’ Results in Ovarian Cancer in Phase III Trial
The first phase III trial of an inhibitor of poly (ADP-ribose) polymerase (PARP) yielded unprecedented results in treating ovarian cancer. The trial was presented at the European Society for Medical Oncology (ESMO) in Copenhagen, Denmark, and electronically reported concurrently in The New England ...
Understanding Cancer Epigenetics and Its Clinical Implications
The field of epigenetics emerged in the 1990s and has been described with somewhat variable meanings. In 2008, a meeting at the Cold Spring Harbor laboratory arrived at a definition of epigenetics by consensus: “A stably heritable phenotype resulting from changes in a chromosome without...
Eileen M. O’Reilly, MD, on Pancreatic and Hepatobiliary Cancers: Selecting High-Impact Targets
Eileen M. O’Reilly, MD, of Memorial Sloan Kettering Cancer Center, discusses a range of topics, including tyrosine kinase inhibitors, immune therapies, targeted approaches, and DNA damage repair strategies.
ASCO Endorses ASTRO Guideline on Radiation Therapy for Glioblastoma
As reported by Erik P. Sulman, MD, PhD, of MD Anderson Cancer Center, and colleagues in the Journal of Clinical Oncology, ASCO has endorsed the 2016 American Society for Radiation Oncology (ASTRO) evidence-based guideline on radiation therapy for glioblastoma.1 The endorsement was based on review ...
Michael J. Overman, MD, on Colorectal Cancer: Updated Results From CheckMate 142
Michael J. Overman, MD, of The University of Texas MD Anderson Cancer Center, discusses study findings on nivolumab alone or in combination with ipilimumab in patients with DNA mismatch repair–deficient/microsatellite instability high metastatic colorectal cancer (Abstract 519).
What Precisely Is Precision Oncology—and Will It Work?
We know from chaos theory that even if you had a perfect model of the world, you’d need infinite precision in order to predict future events. —Nassim Nicholas Taleb The term “precision oncology” is used to describe diverse strategies in cancer medicine ranging from the use of targeted therapies...
Identification and Characterization of HPV-Independent Cervical Cancers
A team of University of South Carolina scientists led by Carolyn Banister, PhD, and Phillip Buckhaults, PhD, identified a new subtype of cervical cancer that, like most cervical cancers, is triggered by human papillomavirus (HPV), but whose growth is not directed by the virus, suggesting that...
Endometrial Cancer Mutations May Be Detectable in Uterine Lavage Fluid Before Cancer Is Diagnosed
Mutations that have been linked to endometrial cancer can be found in the uterine lavage fluid of pre- and postmenopausal women both with and without detectable cancer, according to a study published by Nair et al in PLOS Medicine. “Today, there are no effective screening methods for...
Germline Cancer Susceptibility Mutations in Early-Onset Colorectal Cancer
In a study reported in JAMA Oncology, Pearlman et al found that 16% of patients with early-onset colorectal cancer had germline cancer susceptibility mutations, with a wide array of such mutations being identified. The study involved 450 patients diagnosed with colorectal cancer at age < 50...
R. Daniel Beauchamp, MD, Receives 2016 Dr. Rodman E. and Thomas G. Sheen Award
R. Daniel Beauchamp, MD, Chair of the Section of Surgical Sciences and the John Clinton Foshee Distinguished Professor of Surgery at the Vanderbilt-Ingram Cancer Center, has been selected to receive the 2016 Dr. Rodman E. and Thomas G. Sheen Award from the New Jersey American College of Surgeons...
BRCA Status Does Not Seem to Affect Survival Outcomes in Young Women With Early Breast Cancer
Young women who carry the BRCA1 and/or BRCA2 mutation and develop breast cancer seem to have similar survival compared with young women who have BRCA-negative breast cancer. However, women with BRCA-positive triple-negative breast cancer have an 11% survival advantage compared with those with...
Accelerating Progress in the Treatment of Glioblastoma Multiforme
W.K. Alfred Yung, MD, has wanted a career in medicine since he was a high-school student and has spent nearly 4 decades fulfilling that dream, specifically in the research and treatment of one of the deadliest cancers, malignant brain tumor, especially glioblastoma multiforme, the most common...
Study Identifies Factors in Clonal Evolution of Chemotherapy-Resistant Urothelial Carcinoma
In a study reported in Nature Genetics, Bishoy M. Faltas, MD, of Weill Cornell Medicine, and colleagues identified factors in the clonal evolution of chemotherapy-resistant urothelial carcinoma.1 As stated by the investigators: “Chemotherapy-resistant urothelial carcinoma has no uniformly curative...
FDA Approves Rucaparib and Companion Genetic Test in Advanced Deleterious BRCA-Mutated Ovarian Cancer
The U.S. Food and Drug Administration (FDA) today granted accelerated approval to rucaparib (Rubraca) to treat women with advanced ovarian cancer who have been treated with two or more chemotherapies and whose tumors have a specific gene mutation (deleterious BRCA) as identified by an FDA-approved...
Circulating Tumor DNA May Serve as a Prognostic Marker in Pancreatic Cancer
Translational research in pancreatic adenocarcinoma has been limited by the difficulty of obtaining sufficient quality and quantity tumor tissue from patients. A study by Pietrasz et al assessing the feasibility and prognostic value of circulating tumor DNA (ctDNA) in pancreatic adenocarcinoma has...
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...
SABCS 2016: BELLE-3 Trial of Buparlisib Plus Endocrine Therapy Meets Primary Endpoint of Progression-Free Survival in Breast Cancer Patients
The investigational PI3K inhibitor buparlisib, in combination with endocrine therapy, improved outcomes for patients with hormone receptor–positive advanced breast cancer that had progressed after treatment with everolimus (Afinitor) plus exemestane, according to data from the phase III...
SABCS 2016: Adding Veliparib to Chemotherapy Improved Response Rates Among Patients With BRCA-Mutant Breast Cancer
Adding the investigational poly ADP ribose polymerase (PARP) inhibitor veliparib to carboplatin and paclitaxel chemotherapy improved the overall response rate without increasing adverse events among patients who had locally recurrent or metastatic breast cancer with BRCA1 or BRCA2 mutations,...
Seven MD Anderson Faculty Elected Fellows of the American Association for the Advancement of Science
In recognition of wide-ranging contributions to the fields of cancer prevention; patient care; and basic, translational, and clinical research, seven faculty members from The University of Texas MD Anderson Cancer Center have been named Fellows of the American Association for the Advancement of...
Precautions in Cancer Rehabilitation Services: Imperative or Impediment in Patient Care?
GUEST EDITOR Physiatry in Oncology explores the benefits of cancer rehabilitation in oncology practice to screen survivors for physical and cognitive impairments along the care continuum to minimize survivors’ disability and maximize their quality of life. The column is guest edited by Sean Smith, ...
David Tuveson, MD, PhD, Named Director of the Cold Spring Harbor Laboratory Cancer Center
David Tuveson, MD, PhD, will succeed Bruce Stillman, AO, FAA, FRS, as Director of the Cold Spring Harbor Laboratory Cancer Center. Dr. Tuveson is the Roy J. Zuckerberg Professor of Cancer Research at Cold Spring Harbor Laboratory, the Head of the Lustgarten Foundation Pancreatic Cancer Research...
