High-dose atorvastatin following ACS reduces risk of long-term adversecardiovascular outcomes
April 1st 2004Aggressive lipid-lowering with high-dose atorvastatin initiated immediatelyafter hospitalization for an acute coronary syndrome (ACS) significantlyreduces the risk of long-term adverse cardiovascular outcomes compared withlipid-lowering with standard-dose pravastatin. As such, target levels oflow-density lipoprotein cholesterol (LDL-C) may need to be lower than theones currently recommended in patients at risk of cardiovascular events,said Christopher Cannon, MD, at the 53rd annual scientific session of theAmerican College of Cardiology in New Orleans.
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Tiotropium: A novel anticholinergic for the once-daily treatment of COPD (PDF)
April 1st 2004Chronic obstructive pulmonary disease (COPD) is a major public health problem, with inhaled anticholinergic agents being the treatment of choice. The disadvantage of currently approved therapies for the treatment of COPD is that agents such as ipratropium (Atrovent, Boehringer Ingelheim) must be administered numerous times daily. Tiotropium (Spiriva, Pfizer/Boehringer Ingelheim) is a new, recently FDA-approved, long-acting anticholinergic drug that requires only once-daily dosing. Tiotropium displays selective receptor kinetics by dissociating more slowly from M1 and M3 receptors than M2 receptors. In patients with COPD, tiotropium 18 mcg inhaled once daily results in significant improvement in lung function. Furthermore, improvements appear sustained for up to 3 weeks after discontinuing tiotropium. Tiotropium is well tolerated with minimal systemic absorption resulting in a favorable adverse effect profile. The most common adverse effect associated with tiotropium is dry mouth. Given the longer duration of action, once-daily dosing, minimal adverse effects, and documented improvements in lung function, tiotropium is poised to replace ipratropium as the inhaled anticholinergic of choice.
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The ocular allergic response: A pharmacotherapeutic review (PDF)
April 1st 2004One of the most common ophthalmic conditions that directs a patient to a primary-care physician or eye-care practitioner is the red, itchy eye. The highest percentage of conjunctivitis is noninfectious or inflammatory, and frequently these cases are allergic in nature. The ophthalmic armamentarium is now filled with a number of pharmaceutical compounds that act specifically at different points along the inflammatory cascade. Formulary decision-making should be based on sound knowledge of the ocular inflammatory cascade and the pathways through which the various ophthalmic antiallergic preparations exert their anti-inflammatory effects.
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Raised in Trinidad and Tobago, West Indies, Dr. Valerie Beckles, a pediatrician and medical director for Aetna's Southeast Region, graduated from medical school in Jamaica then trained in London and Nassau, Bahamas, before practicing in Texas and transitioning into administration in recent years. Her broad background has allowed her to bring perspective to patient care and the diversity issues that arise in healthcare today.
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Fosamprenavir: A novel protease inhibitor and prodrug of amprenavir
March 1st 2004Fosamprenavir (Lexiva, GlaxoSmithKline/Vertex) is the latest protease inhibitor (PI) approved by FDA for the treatment HIV-1 infection. A prodrug of amprenavir (APV), fosamprenavir has improved solubility and bioavailability over the parent PI, allowing for once- or twice-daily dosing and a decreased pill size and burden. In clinical trials, fosamprenavir was studied alone or boosted with ritonavir (RTV) in both HIV treatment-naïve and -experienced patients. In both patient populations, fosamprenavir decreased HIV RNA, increased CD4 cell counts from baseline, and increased the proportion of patients reaching undetectable viral loads (<400 and <50 copies/mL). Patients who received treatment with fosamprenavir demonstrated protease gene mutations different than those commonly seen with other PIs (except APV). Fosamprenavir appears to have an adverse effect profile similar to that of other PIs.
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Pharmacotherapeutic options to prevent radiocontrast-induced acute renal failure
March 1st 2004One of the primary etiologies of acute renal failure (ARF) is nephropathy secondary to the administration of radiocontrast dye. In the United States alone, the cost of ARF-related expenses is estimated at more than $8 billion per year. Since ARF contributes such a substantial burden to the cost of healthcare and may be associated with significant morbidity and mortality, initiatives to educate pharmacists, physicians, and other health-care providers about how to decrease the incidence of radiocontrast-induced ARF are warranted. It is important to identify patients at risk for developing this pathology and to play an active role in disease state prevention. This review covers the pathogenesis, signs and symptoms, and current treatment options for reducing the risk of radiocontrast-induced nephropathy. Current pharmacotherapy focuses on the use of aggressive hydration before and after the administration of a contrast agent. Clinical trials evaluating the application of periprocedural drugs are also reviewed.
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Medical miracles and shots in the dark
March 1st 2004For some, an investigational clinical trial can seem like the opportunity for a miracle; for others, it is an altruistic donation to science that might be used to help others. It also can be a means of receiving treatment for people with chronic conditions who have few resources, or it can be viewed cynically by critics of the pharmaceutical industry.
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Taking what is preventable out of society
March 1st 2004Later this year, U.S. Surgeon General Dr. Richard Carmona will release a report, "The Health Consequences of Smoking," and a new database of medical research, treatment and smoking prevention information. This year's report will come 40 years after Americans first learned there were significant consequences of smoking, thanks to the efforts of then-Surgeon General Dr. Luther Terry, who was appointed during the Kennedy administration.
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