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A 61-year-old small business owner was seen in consultation for advice regarding management of a newly discovered pulmonary mass. Seven years previously, he had a 3.5 cm moderately differentiated adenocarcinoma of the sigmoid colon resected along with four regional nodes, all of which were negative for metastatic involvement.
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Aspirin and cancer prevention; rivaroxaban for pulmonary embolism; new rhinosinusitis practice guidelines; and FDA actions.
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In a small, single-institutional, prospective, randomized, placebo-controlled trial, 14 eligible patients (median age 47 years) with clinical and radiographic evidence of radiation necrosis secondary to prior head-and-neck or CNS irradiation were randomized to receive intravenous saline of bevacizumab at 3-week intervals. Patients were followed with serial MRI scans, neurologic examinations, and formal neuropsychological examinations.
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In a retrospective review of 267 patients evaluated at M.D. Anderson Cancer Center with apparent early-stage, node-negative breast cancer, 15% were found to harbor "occult" metastases upon more intensive scrutiny of the axillary node specimens. In this series, long-term follow-up indicates that such discovery was not associated with a greater frequency of recurrence or poorer survival.
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In a large retrospective series, 2051 men with clinically localized prostate cancer received definitive radiation therapy (RT) alone. The rates of aspirin use and statin use were 36% and 34%, respectively. The primary endpoint was IBF (interval to biochemical failure) of < 18 months.
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By a systematic review of observational (case-control and cohort) studies, data regarding aspirin use and cancer risk were compared to data obtained from randomized clinical trials. In general, there was very good correlation regarding reduced risk for several types of cancer and the development of metastatic disease. The analysis provides confidence that observational studies can be of value in addressing the many outstanding questions regarding aspirin and cancer prevention.
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A 64-year-old commercial airline pilot was seen by his primary physician because of a bothersome, non-productive cough. He has a history of asthma but requires no medications other than occasional albuterol inhalation. Physical examination was unremarkable, as were the complete blood count and chest x-ray.
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This randomized, placebo-controlled, Phase 3 clinical trial showed that the majority of patients treated with pegfilgrastim experience bone pain, and that taking 500 mg of naproxen twice a day decreases its incidence and severity.
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Azithromycin and cardiac risk; warfarin and heart failure; aspirin and VTE; effectiveness of long-acting contraceptives; and FDA actions.
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In a meta-analysis of current observational (both case-control and prospective cohort) studies evaluating the potential association between type 2 diabetes mellitus and the incidence of hematological malignancy, an increased risk for non-Hodgkin lymphoma and leukemia was demonstrated as well as a trend toward an increased risk for myeloma. Confounding factors such as age, obesity, smoking, and alcohol (risks for both diabetes and malignancy) could not be completely accounted for in such an analysis.
