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Showing 12301 - 12350Biomarker Analysis of the TORCH Study: First-line Erlotinib Only in Patients with EGFR-positive Non–Small Cell Lung Cancer
Patients with advanced non–small cell lung cancer (NSCLC) should receive treatment with erlotinib (Tarceva) before receiving standard chemotherapy only if their tumor is known to harbor EGFR mutations, researchers reported at the 3rd European Lung Cancer Conference in Geneva, Switzerland.1 The...
Study Reports on New Potential Biomarker of Response in Lung Cancer Chemoprevention Studies
MiRNAs, negative post-transcriptional regulators of gene expression, are involved in bronchial carcinogenesis from the very early steps of this process. Endobronchial histology is currently considered as the best intermediate endpoint for chemoprevention studies. However, no intermediate biomarker...
Expert Point of View: New Genetic Signature May Help Identify Risk of Relapse in Patients with Completely Resected Early Non–Small Cell Lung Cancer
Commenting on the study, David Carbone, MD, PhD, of the Vanderbilt-Ingram Cancer Center, said that the Spanish group studied tumors from patients with completely resected stage I and II NSCLC for gene RNA expression profiles using 41,000 different probes. “Since over one-half of these patients...
New Genetic Signature May Help Identify Risk of Relapse in Patients with Completely Resected Early Non–Small Cell Lung Cancer
A new genetic signature identified by Spanish researchers may provide robust and objective information about which patients with completely resected early stage non-small cell lung cancer are at low or high risk of relapse following surgery, according to Florentino Hernando, MD, who presented the...
SIDEBAR: Private/Public Health-care Divide Creates Disparity in Cancer Pain Treatment in South Africa
Approximately 15% of South Africa’s people have private health-care insurance and use private hospitals and clinics; another 10% also use private care paid out of pocket. However, the remaining 75% of South Africans use public health care, which is spread out over rural and urban areas. Although...
Untreated Cancer Pain Remains a Significant Global Problem
“Physicians are afraid of morphine … Doctors [in Kenya] are so used to patients dying in pain … they think that this is how you must die. They are suspicious if you don’t die this way — [and feel] that you died prematurely.” —Human Rights Watch interview with Dr. John Weru of Nairobi Hospice,...
Cancer Care in India: Complex Challenges in a Populous Nation
With 1.22 billion people, India is the second most populous country in the world. Experts project that cancer incidence in India will increase by more than two-thirds over the next 20 years, to approximately 1.7 million new cases per year. Due to a range of economic and social issues, most of...
Study Shows Steady Increases in Survival for Children with ALL
A study by the Children’s Oncology Group (COG) reported that 5-year survival for acute lymphoblastic leukemia (ALL) among children treated through COG clinical trials increased from 83.7% during the period 1990-1994 to 90.4% in the period 2000-2005. The improvements in survival were observed among...
Progress in Treating Chronic Lymphocytic Leukemia Has Led to Across-the-board Improvements in Survival
Four decades ago, Kanti R. Rai, MD, was determined to figure out why some of his patients with chronic lymphocytic leukemia (CLL) died within 2 years after their diagnosis, while others lived for 20 or even 30 years. At the time, Dr. Rai was a young scientist doing research in leukemia at...
Expert Point of View: Study Shows Continued Benefit of PSA Screening in Reducing Prostate Cancer Mortality
Many of the almost 100 reports in various journals and newspapers refer to the lack of effect on overall mortality with screening in ERSPC in a very critical fashion. Clarification is necessary. Our trial did not intend to and is not powered to study the effect of screening on overall mortality....
Study Shows Continued Benefit of PSA Screening in Reducing Prostate Cancer Mortality
Studies assessing the effect of prostate-specific antigen (PSA) testing on prostate cancer mortality have produced conflicting results, and recommendations regarding PSA screening vary among authorities. The recently published 11-year follow-up of the European Randomized Study of Screening for...
Inhibition of SFRP2 Found to Inhibit Growth of Triple-negative Breast Tumors
Secreted frizzled related protein 2 (SFRP2), a protein that modulates the Wnt signaling pathway and is involved in embryonic development, has been thought to exert a tumor-suppressive effect via inhibition of β-catenin activation. However, researchers at the University of North Carolina at Chapel...
Regional Infusion of Designer T Cells to Treat Intrahepatic Metastases
Designer T cells are modified from normal T cells to express specific immune receptors that allow them, via antibody-directed recognition or other mechanisms, to kill malignant cells bearing particular antigens. The Surgical Immunotherapy Lab at the Roger Williams Medical Center, Providence, Rhode...
SIDEBAR: Learning from Advanced Disease
Current testing of immunotherapy approaches against cancer involves patients in whom standard therapies have failed. “That really puts us at a great disadvantage because a lot of the standard therapies are immunosuppressive, as is the tumor itself as it grows,” Olivera Finn, PhD, said at a press...
Immunotherapy Clinical Trials Show Benefits for Patients with Advanced Cancers
Immunotherapeutic approaches, including vaccines, a monoclonal antibody, and a combination of low-dose interleukin (IL)-2 (Proleukin) and retinoic acid, are showing some success in clinical trials investigating the prevention of breast cancer recurrence in women at high risk, the treatment of...
Managing Febrile Neutropenia: What Are the Best Antibiotic Regimens?
Management of patients with cancer who have fever and a low neutrophil count is one of the most common scenarios oncologists face today. “Physicians have to be keenly aware of the infection risks, diagnostic methods, and microbial therapies required for managing febrile neutropenic patients because ...
FDA Approves Pazopanib for Advanced Soft-tissue Sarcoma
The FDA has approved pazopanib (Votrient) to treat patients with advanced soft-tissue sarcoma who have previously received chemotherapy. Pazopanib is an oral agent that works by interfering with angiogenesis. Soft-tissue sarcoma occurs in about 10,000 cases annually in the United States. More than ...
Advances in Prostate Cancer Accompanied by Ongoing Debates
Scientific advances have markedly improved prostate cancer survival, but this clinical success story is not without its share of controversy. From screening through treatment, a growing array of options offer an admixture of promise and confusion for clinicians and patients. Moreover, today’s...
Maintenance of Certification in Medical Oncology
It is said that time is perhaps the most treasured asset we have. If you are a practicing oncologist, everyone wants more and more of your time, and I’m not referring to patients. Rather, there is an increasing proliferation of folks who want to make sure we’re doing a good job, and they are...
SIDEBAR: Obese Children with Cancer May Be at Greater Risk for Cancer Recurrence
A study published in the Journal of Clinical Oncologyin 2008 found that obesity is an important contributing factor to chemotherapy resistance and rising relapse rates in children with leukemia.1 According to the study, obese children diagnosed with leukemia have a 50% higher chance of relapsing...
ASCO Issues New Guideline on Chemotherapy Dosing for Obese Patients
In April, ASCO released a new clinical practice guideline on the appropriate dosing of chemotherapy drugs given to obese adult patients with cancer. The result of an analysis by a panel of experts assembled by ASCO, the guideline calls for the use of a patient's actual body weight when calculating...
Pediatric ALL with Induction Failure Is Highly Heterogeneous with Varying Outcomes
While failure of remission-induction therapy is rare in children and adolescents with acute lymphoblastic leukemia (ALL), when it does occur it is highly adverse and heterogeneous, according to a study in The New England Journal of Medicine. “Patients who have T-cell leukemia appear to have a...
Physicians Need to Be Involved in Reducing Costs
I am so proud of ASCO for participating in the American Board of Internal Medicine Foundation’s Choosing Wisely campaign (see The ASCO Post, May 1, page 19; and page 75 of this issue). I am the Associate Medical Director for a 280-physician multispecialty group in the Hudson Valley of New York,...
Complex Relationship between Metformin and BRAF-mutant Tumors
The antidiabetic drug metformin appears to lower cancer risk in diabetic patients and has shown antitumor activity in preclinical studies. Suppression of mTOR signaling via AMP kinase (AMPK)-dependent TOR complex 1 (TORC1) inhibition is one of the proposed mechanisms by which metformin appears to...
Pretreatment Tumor Hypoxia Predicts Biochemical Failure after Radiotherapy for Prostate Cancer
Hypoxia often occurs early in solid tumor development as a result of imbalances between oxygen supply and consumption and may lead to genetic and molecular signaling that influences the biology and clinical behavior of tumors and response to treatment. Milosevic and colleagues from Princess...
Surviving the Aftermath of Cancer
With medical information now just a click away, it’s difficult to imagine a time before the Internet existed, when finding answers to questions about serious diseases was nearly impossible. When I was diagnosed with liposarcoma 33 years ago, there was only one oncologist in my hometown of Tyler,...
Screening for Distress and Unmet Needs in Patients with Cancer
In the past decade, “screening for distress has been positioned as the sixth vital sign in cancer care, in addition to the first five, which are measurements of pulse, respiration, blood pressure, temperature, and pain,” according to a review article in the Journal of Clinical Oncology. Although...
Pain Remains Prevalent and Often Inadequately Treated among Cancer Outpatients
“Pain is as prevalent in ambulatory oncology patients with common solid tumors as it was more than 20 years ago, despite the fact that opioid prescribing in the United States has increased more than 10-fold since 1990,” according to results of a study among 3,023 ambulatory patients with cancer...
Acai Berry
The use of dietary supplements by patients with cancer has risen significantly over the past 2 decades despite insufficient evidence of safety and effectiveness. Finding reliable sources of information about dietary supplements can be daunting. Patients typically rely on family, friends, and the...
SIDEBAR: Expect Questions from Your Patients
“Our study provides critical interim companion data to awaited randomized trials and may help clinicians and patients quantify the risk-benefit ratio of brachytherapy compared with standard therapy,” Benjamin D. Smith, MD, said of a study comparing lumpectomy and either whole-breast irradiation or...
Will Study Showing Increased Complications Compared to Whole-breast Irradiation Put the Brakes on Brachytherapy?
In the News focuses on media reports that your patients may have questions about at their next visit. This continuing column will provide summaries of articles in the popular press that may prompt such questions, as well as comments from colleagues in the field. Older women treated for invasive...
Newest Indication for Rituximab as Maintenance Treatment in Non‑Hodgkin Lymphoma
In the Clinic provides overviews of novel oncology agents, addressing indications, mechanisms, administration recommendations, safety profiles, and other essential information needed for the appropriate clinical use of these drugs. Indication The CD20-directed monoclonal antibody rituximab...
ASCO Reexamines the Oncology Workforce Shortage
A study commissioned by ASCO in 2006 predicted a significant shortage of medical and gynecologic oncologists in the United States by 2020. As a result, the organization created the Workforce Implementation Group to develop recommendations to stem the projected workforce shortfall and ensure ongoing ...
FDA-led Research Team Discovers Autoimmune Mechanism for Drug-induced Adverse Reactions
A team of researchers led by the FDA has discovered a new mechanism for identifying and understanding drug-related autoimmune reactions. In an article available online in the journal AIDS, the team reported that in certain at-risk patients, the anti-HIV drug abacavir (Ziagen) causes the immune...
FDA Approves Drugs Faster than Canadian and European Counterparts
According to a study published online in The New England Journal of Medicine (May 16, 2012), the FDA approved more new drugs in less time—about 15% faster—than the European Medicines Agency and Health Canada. The analysis compared drug review performance for the three agencies from 2001 to 2010....
SIDEBAR: Photodynamic Therapy for Cancer
Photodynamic therapy is a two-step treatment that includes a photosensitizing agent and a light source. In the first step, the photosensitizing agent (porfimer sodium) is injected into the bloodstream and absorbed by all cells. Over 24 to 48 hours, the drug is concentrated in cancer cells. In the...
International Photodynamic Medicine Symposium: Shedding New Light on an Old Therapy
This past May, a collaborative think tank of researchers was convened at The Ohio State University, Columbus, to share their expertise in a somewhat older treatment that is reemerging on many fronts: photodynamic therapy. Participants from the United States, Great Britain, and Japan took part in...
Egidio Del Fabbro Named Program Director of Palliative Care at Virginia Commonwealth University Massey Cancer Center
Egidio Del Fabbro, MD, has been named program director of palliative care at Virginia Commonwealth University (VCU) Massey Cancer Center, effective May 1, 2012. A nationally recognized expert in palliative care, Dr. Del Fabbro comes to VCU Massey from The University of Texas MD Anderson Cancer...
Strong Biomarker Candidates for Predicting Clinical Response to Bevacizumab
Plasma vascular endothelial growth factor A (VEGF-A) and tumor neuropilin-1 “are strong biomarker candidates for predicting clinical outcome in patients with advanced gastric cancer” after treatment with bevacizumab (Avastin). This was the conclusion of a mandatory biomarker program following up on ...
Multiple Myeloma Research Foundation Initiatives Are Leading to More Effective Targeted Treatment
In 1996, at just 37, the last thing Kathy Giusti expected to hear was that she had the fatal blood cancer multiple myeloma. An executive at Searle Pharmaceuticals and the mother of an 18-month-old daughter, Giusti was told she probably had 3 years to live. At the time, treatments for the disease...
Full Membership: What It Means, What It Offers, and Why It’s Essential
As part of our series explaining the benefits of ASCO’s various membership categories, in this issue we focus on the Full Membership Category Involvement in ASCO—the largest and most inclusive professional organization in oncology—allows those involved in cancer care to chart the very course of the ...
Epidemiology, Diagnosis, and Treatment of Breast Cancer Explored at the American Society of Breast Surgeons Meeting
Over 1,300 breast surgeons attended the 13th Annual Meeting of the American Society of Breast Surgeons, held May 2–6 in Phoenix. Presentations included investigations on recurrence after lumpectomy, gender differences in breast cancer, and the potential role of infrared thermography in diagnosing...
Postsurgical Local Breast Cancer Therapies Compared in Two Large Studies
A study presented at the 13th Annual Meeting of the American Society of Breast Surgeons suggested that accelerated partial-breast irradiation (APBI) using brachytherapy might control the tumor bed better than whole-breast irradiation (WBI), while another study suggested that radiofrequency ablation ...
Can Whole-genome Sequencing Predict Cancer Risk and Improve Public Health?
If, as expected, the cost of whole-genome sequencing continues to drop, perhaps down to the $1,000 vicinity, it may become an alluring option for consumers who want to know about their risks for cancer and other diseases. But can genome sequencing really provide practical information about...
Better Information Needed for Primary Care Providers Who Treat Cancer Survivors
Many primary care providers are unaware of the late effects of chemotherapy, according to survey results presented at the ASCO Annual Meeting.1 For three out of four commonly used chemotherapy agents, medical oncologists performed well on the survey, but 29% to 38% of medical oncologists were...
Expert Point of View: Dual BRAF and MEK Inhibition Is Active in Advanced Melanoma
Commenting on the trial of combined BRAF and MEK inhibition in advanced melanoma, Michael K.K. Wong, MD, PhD, Professor of Medicine at Keck School of Medicine, University of Southern California, Los Angeles, called the findings “nothing short of extraordinary” and a potential “game changer.”...
Dual BRAF and MEK Inhibition Is Active in Advanced Melanoma
In advanced melanoma, combination therapy with two investigational drugs—one targeting BRAF and the other the MEK pathway—achieved a median progression-free survival of 7.4 months, which rose to 10.8 months in patients who were optimally dosed, reported Jeffrey S. Weber, MD, PhD, Director of the...
Expert Point of View: Crizotinib Yields Benefits in Aggressive Pediatric Tumors
Michael P. Link, MD, 2011–2012 President of ASCO and a pediatric oncologist himself (at Stanford University School of Medicine and the Lucile Salter Packard Children’s Hospital at Stanford), said the crizotinib study by Mosse and colleagues has far-ranging implications. “The molecular driver (ALK)...
Crizotinib Yields Benefits in Aggressive Pediatric Tumors
The value of the targeted agent crizotinib (Xalkori) may not be restricted to the 5% of patients with non–small cell lung cancer who have abnormalities in the ALK gene. In a phase I study conducted by the Children’s Oncology Group consortium, crizotinib halted tumor growth and, in some cases,...
Decoding the Genetic Blueprint of Cancer Cells: Findings in Multiple Myeloma and Breast Cancer
Advances in next-generation DNA sequencing technologies are allowing scientists to decipher the whole genome or whole exome (ie, the coding region of the genome) of cancer specimens more quickly and inexpensively than ever before. And the results are revealing genes that had not previously been...
