Search Results
Your search for Colorectal matches 3239 pages
Showing 2401 - 2450Novel Multikinase Inhibitor Improves Survival in Metastatic Colorectal Cancer
The novel tyrosine kinase inhibitor regorafenib, given as a single agent to patients with treatment-refractory metastatic colorectal cancer, significantly improved overall survival and delayed disease progression in an international phase III trial presented at the 2012 Gastrointestinal Cancers...
Inhibition of IL-8 Receptor Reduces Colorectal Cancer Proliferation and Sensitizes the Disease to Oxaliplatin
Recent studies have shown that interleukin-8 (IL-8) and its receptors CXCR1 and CXCR2 are significantly upregulated in colorectal cancer tumors and their microenvironment and act as regulators of proliferation, angiogenesis, and metastasis. Ning and colleagues from the University of Southern...
Expert Point of View: More New Data Support Use of Daily Aspirin to Prevent Cancers
Is it time to recommend aspirin for cancer prevention? “It’s the question we are asking,” said Andrew T. Chan, MD, Massachusetts General Hospital and Harvard Medical School, who wrote a commentary accompanying three new studies in The Lancet and Lancet Oncology. The studies, by Peter M. Rothwell,...
More New Data Support Use of Daily Aspirin to Prevent Cancers
Three new studies have added data to the growing evidence that low-dose, daily aspirin helps prevent colorectal cancer and other malignancies and may be useful in preventing metastases as well.1-3 Coming on the heels of other recent studies, the results appear to strengthen the case for using...
ASCO Past President Highlights QOPI® Efforts to Improve Care in Michigan
ASCO’s Quality Oncology Practice Initiative (QOPI®) can be used to assess the quality of care in a statewide consortium of oncology practices and ultimately can lead to better care for patients with cancer, said ASCO Past President Douglas W. Blayney, MD, at a recent briefing on cancer care value...
Analysis Suggests CT Screening Could Save Lives at Relatively Low Cost
Results of an actuarial analysis suggest that offering lung cancer screening with low-dose spiral computed tomography (CT) as a commercial insurance benefit to individuals who are 50 to 64 years old and have a smoking history of 30 pack-years or more could save lives at relatively low cost....
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...
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...
Anti-EpCAM Antibody-Drug Conjugate Shows High Activity against Pancreatic Cancer
Human epithelial cell adhesion molecule (EpCAM) is overexpressed in many cancers. Although anti-EpCAM antibodies have shown promise in preclinical studies, early-phase clinical evaluation of these antibodies has been disappointing. To determine whether the antitumor activity of anti-EpCAM antibody...
Studies Report Findings in Patient-centered Care
New studies highlighting findings that will lead to improvements in the patient experience and identifying potential risks for development of cancers in the future were reported at a press briefing held during the 2012 ASCO Annual Meeting in Chicago. “In this era of sophisticated research advances, ...
New Drug Application Submitted for Regorafenib for the Treatment of Metastatic Colorectal Cancer
Bayer HealthCare announced that it has submitted a New Drug Application (NDA) to the FDA seeking approval for the oral multikinase inhibitor regorafenib for the treatment of patients with metastatic colorectal cancer. The submission is based on the results of the pivotal, global phase III CORRECT...
Aflibercept Granted Priority Review for Metastatic Colorectal Cancer
Sanofi and Regeneron Pharmaceuticals, Inc, recently announced that the FDA has granted Priority Review of the Biologics License Application (BLA) for the investigational agent aflibercept (Zaltrap) concentrate for solution for infusion in combination with irinotecan/fluoropyrimidine–based...
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 ...
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...
To Scan or Not to Scan for Colon Cancer Recurrence?
Over the past 2 decades, we have seen a substantial increase in the 5-year survival of patients with stage II and III colon cancer, marking an evolving oncologic success story. However, in the postoperative setting, the value of regular CT screening to monitor for recurrence has been greeted with...
Too Soon to Know How Circulating Tumor Cells Might Be Used to Guide Treatment of Breast Cancer
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. “A simple blood test.” These were...
New PSA Recommendations: The Debate over Prostate Cancer Screening Continues
The U.S. Preventive Services Task Force (USPSTF) recently issued a recommendation statement advising against the use of prostate-specific antigen (PSA)-based testing for prostate cancer,1 leaving many in the oncology community concerned that decades of clinical progress will be stalled, and setting ...
Adjuvant Chemotherapy May Confer Survival Benefit in Patients Older than 75 with Stage III Disease
Because few people over 75 participate in clinical trials, it is unknown whether adjuvant chemotherapy could benefit this population. Faced with this gap in clinical trial evidence, researchers reviewed data from 5,489 patients ≥ 75 years with stage III colon cancer. The review suggests that...
Screening Should Begin Early for Survivors of Childhood Cancer
Survivors of childhood cancer, particularly those treated for childhood Hodgkin lymphoma or Wilms tumor with abdominal radiation, procarbazine (Matulane), and platinum chemotherapy, are at an increased risk of developing gastrointestinal subsequent malignant neoplasms, according to a retrospective...
Single Nucleotide Polymorphisms Predict Severe Toxicity of Adjuvant Therapy in Colorectal Cancer
Oxaliplatin/fluoropyrimidine–based adjuvant therapy is of benefit in patients with resected stage II/III colon cancer, but the ability to predict risk of toxicity could improve care by permitting individualization of treatment. Ana Custodio, MD, and colleagues from GEMCAD (Grupo Español...
Alterations in PTEN Insufficient to Predict Sensitivity to Drugs Targeting PI3K/mTOR Pathway
PTEN acts as a tumor-suppressor gene through the action of its phosphatase protein product, which participates in regulation of the cell cycle to prevent too-rapid cell growth and division. Loss of PTEN function has been shown to increase PI3K/mTOR signaling, and preclinical data suggest that PTEN...
Regorafenib in Metastatic Colorectal Cancer
Bayer HealthCare and Onyx Pharmaceuticals announced that the FDA has granted priority review designation to Bayer HealthCare’s New Drug Application (NDA) filed end of April 2012 for the oral multikinase inhibitor regorafenib, for the treatment of patients with metastatic colorectal cancer whose...
FDA Approves Cetuximab plus FOLFIRI/Therascreen in Colorectal Cancer
The FDA has granted approval to cetuximab (Erbitux) for use in combination with FOLFIRI (irinotecan, fluorouracil, leucovorin) for first-line treatment of patients with KRAS mutation–negative (wild-type), EGFR-expressing metastatic colorectal cancer as determined by FDA-approved tests for this use. ...
Gene Profiling–guided Therapy May Improve Survival in Patients with Carcinoma of Unknown Primary
Molecular gene-expression profiling is an emerging technique to determine tissue of origin in patients with carcinoma of unknown primary, although the value of predictions from such profiling in improving treatment outcomes is unclear. In a prospective trial using tumor profiling results to direct...
Increased Adjuvant Therapy Use and Improved Survival in Dutch Elderly Patients with Stage III Colon Cancer: A Direct Correlation?
A survival benefit of adjuvant chemotherapy has been reported for select elderly patients with stage III colon cancer, but many elderly patients are not candidates for or are not given adjuvant therapy due to comorbidities and fear of toxicity. In a recent Annals of Oncology article, van...
SIDEBAR: Other Colorectal Cancer News from ASCO
Additional noteworthy gastrointestinal cancer studies presented during oral abstract sessions at the 2012 ASCO Annual Meeting included the following trials in metastatic colorectal cancer. Perifosine/Capecitabine Fails in Phase III Trial Adding perifosine, an oral alkylphospholipid inhibitor that...
Expert Point of View: Alan Venook, MD
Invited discussant Alan Venook, MD, of the University of California, San Francisco, pointed out that the hazard ratio of 0.81 and the 1.4-month improvement in overall survival in the TML trial did not reach the target hazard ratio of 0.77 in the statistical design of the study. However, “it is...
Expert Point of View: Axel Grothey, MD
Over the past 10 years, agents targeting the VEGF system, such as bevacizumab, have become standard components of anticancer therapy in various malignancies. Recently, it has become increasingly evident that prolonged duration of anti-VEGF therapy is needed to optimize the therapeutic effect of...
Bevacizumab beyond Progression Prolongs Survival in Metastatic Colorectal Cancer
In a study highlighted at a press briefing during the 2012 ASCO Annual Meeting, German investigators reported that prolonging treatment with bevacizumab (Avastin) beyond disease progression extends overall survival in patients with metastatic colorectal cancer.1 Patients received bevacizumab plus...
Genomics vs Site of Cancer Origin as Basis for Treatment of Cancer Is ‘False Dichotomy’
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. Despite recent news reports...
Astragalus
The use of dietary supplements by cancer patients 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...
Taking Family History and Referral to Genetic Counseling Could Be Improved, Survey Finds
Obtaining a thorough family history of cancer should be a key component in evaluating patients and deciding whether to refer those at increased risk of either primary or second cancers for genetic counseling and testing. Many community oncology practices comply with this practice, but there is room ...
Striking Activity Shown for Regorafenib in Advanced GIST
Regorafenib, an orally administered investigational tyrosine kinase inhibitor that has shown activity in chemorefractory metastatic colorectal cancer, markedly delayed disease progression in patients with treatment-refractory metastatic gastrointestinal stromal tumor (GIST) in the phase III GRID...
Supportive Care Research Runs the Gamut from Genetic Markers of Treatment Side Effects to Neuropathic Pain Therapies
Attendees from around the world gathered for the Multinational Association for Supportive Care in Cancer/International Society of Oral Oncology (MASCC/ISOO) International Symposium on Supportive Care in Cancer, held June 28–30 in New York. Below are highlights from the meeting, representing...
FDA Approves Colon-cleansing Drug for Prep Prior to Colonoscopy
The FDA has approved sodium picosulfate, magnesium oxide, and citric acid (Prepopik) to help cleanse the colon in adults preparing for colonoscopy, Ferring Pharmaceuticals announced. The new solution is a low-volume, dual-acting stimulant and osmotic laxative. The FDA approval is based on data from ...
FDA Approves Ziv-aflibercept for Metastatic Colorectal Cancer
The FDA has approved ziv-aflibercept (Zaltrap) for use in combination with a FOLFIRI (leucovorin, fluorouracil, irinotecan) chemotherapy regimen to treat adults with colorectal cancer. Ziv-aflibercept is an angiogenesis inhibitor that inhibits the blood supply to tumors. It is intended for patients ...
High-cost Imaging Used Frequently in Elderly with Stage IV Cancer
Patients with stage IV breast, colorectal, lung, and prostate cancers undergo frequent high-cost imaging procedures throughout the continuum of their care, and rates of imaging have steadily increased, according to an analysis of claims from the Surveillance, Epidemiology, and End Results...
Patients with Unresectable Metastases Can Be Spared Noncurative Resection of Intact Primary Tumor
Patients with surgically unresectable metastatic colon cancer and an asymptomatic intact primary tumor can be spared initial noncurative resection of their intact primary tumor, National Surgical Adjuvant Breast and Bowel Project (NSABP) C-10 trial investigators reported in the Journal of Clinical...
Cetuximab Dose Escalation May Increase Responses among Patients with Mild or No Initial Skin Reactions
Escalating the dose of cetuximab (Erbitux) among patients with metastatic colorectal cancer who developed no or mild skin reactions on standard-dose cetuximab plus irinotecan “seemed to lead to an increase in response rate” as well as in the disease-control rate, according to a phase I/II study...
Ziv-aflibercept with FOLFIRI in Metastatic Colorectal Cancer
In August 2012, the antiangiogenic agent ziv-aflibercept (Zaltrap) was approved for use in combination with FOLFIRI (fluorouracil, leucovorin, irinotecan) for the treatment of metastatic colorectal cancer resistant to or progressing after an oxaliplatin-containing regimen.1,2 Approval was based on...
New Indication for Cetuximab plus FOLFIRI to Treat EGFR-positive, Wild-type KRAS Metastatic Colorectal Cancer
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 In July 2012, cetuximab (Erbitux) was approved for use...
Physical Activity Benefits Breast Cancer Survivors, but Role in Reducing Breast Cancer Risk Is Less Clear
Breast cancer survivors who engage in moderate to high levels of physical activity have reduced mortality and improved quality of life, according to recent studies. In addition, exercise may play a role in lowering the risk of breast cancer. “Physical activity can hasten recovery from the immediate ...
Expert Point of View: Michael Krychman, MD
Like female cancer survivors, men experience high rates of sexual dysfunction following a cancer diagnosis and treatment, especially for prostate cancer, with as many as 90% of men reporting erectile dysfunction after radical prostatectomy and nearly as many suffering with the problem following...
Sexual Dysfunction in Female Cancer Survivors Is Prevalent
Although medical experts put the proportion of female survivors facing some form of sexual dysfunction following a cancer diagnosis and treatment at nearly 100%, very few women raise sexual health concerns with their oncologist. In a study of 261 patients with gynecologic or breast cancer published ...
No Survival Benefit of Radical Prostatectomy vs Observation for Localized Prostate Cancer Detected by PSA Testing
The relative benefits of surgery or observation in men with prostate cancer detected by prostate-specific antigen (PSA) testing have not been defined. Randomized trials comparing radical prostatectomy with observation were conducted before widespread use of PSA testing and an observational study...
SIDEBAR: Is Microsatellite Instability Status also Predictive in Stage II Disease?
“Microsatellite instability status is a validated prognostic marker in stage II colorectal cancer. It is the strongest prognostic marker we have in that group,” Dr. Overman commented. “The fact is that we should be getting this [test] consistently to help us make this discussion [of prognosis]...
Evidence Is Changing Colorectal Cancer Treatment Landscape
Key colorectal cancer studies presented at this year’s ASCO Annual Meeting are changing the treatment landscape in this disease, according to Michael Overman, MD, of The University of Texas MD Anderson Cancer Center, who reviewed the data at the Best of ASCO San Diego meeting. The mix included...
Best of ASCO® Meetings Offer Data, Commentary, and Interaction with the Experts
Three Best of ASCO meetings were held over the summer in Chicago, Boston, and San Diego. The faculty distilled the most interesting and immediately applicable data from the 2012 ASCO Annual Meeting, provided personal perspectives, and interacted with attendees for an educational experience that was ...
Antioxidant Supplementation in Patients with Cancer: Is It Safe and Effective?
Antioxidant supplements are widely used by healthy individuals as a preventive measure against cancer and heart disease and by patients with cancer to promote healing and prevent recurrence. Studies suggest that dietary supplements are used by up to 81% of cancer survivors, and that 14% to 32%...
Successful Use of Cytoreduction and Hyperthermic Intraperitoneal Chemotherapy May Hinge on Prior Experience
A review of 60 consecutive patients with peritoneal carcinomatosis who underwent cytoreductive surgery plus hyperthermic intraperitoneal chemotherapy (HIPEC)—sometimes called “hot chemotherapy”—found 0% mortality and 33% morbidity, with “a significant reduction of grade III/IV morbidity,...
