Drugs online research references
hsc.wvu.edu
OBJECTIVE: To report a case of rhabdomyolysis and acute renal failure associated with gemfibrozil monotherapy of hyperlipidemia. CASE SUMMARY: A 30-year-old white man with hypertension, type 1 diabetes mellitus, and hyperlipidemia was hospitalized due to myalgias, nausea, and vomiting that began after he started working as a jackhammer operator 4 days previously. His medications were lisinopril, aspirin, insulin, and gemfibrozil. Creatine kinase and creatinine, which previously had been mildly elevated and normal, respectively, were markedly elevated, consistent with rhabdomyolysis with acute renal failure. DISCUSSION: As of December 8, 2003, this is the only report of a patient with normal baseline creatinine level who developed rhabdomyolysis with acute renal failure associated with gemfibrozil monotherapy. Strenuous exertion, hypovolemia, and lisinopril use may have contributed to the severity of illness. An objective causality assessment revealed that an adverse drug reaction to gemfibrozil was possible. CONCLUSIONS: Gemfibrozil monotherapy of hyperlipidemia may predispose to rhabdomyolysis with acute renal failure. Patients using gemfibrozil should be cautioned regarding strenuous exertion, dehydration, and the need for prompt evaluation of myalgias.
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=14742756&dopt=Abstract [PubMed - in process]
Drugs Today (Barc). 1998 Nov;34(11):943-56.
Mode of action and adverse effects of lipid lowering drugs.
Eghdamian B, Ghose K.
Department of Pharmacology, University of Otago, Dunedin, New Zealand.
Serum lipids, cholesterol and triglycerides are incorporated into hydrophilic lipoproteins, which include chylomicrons, very low density lipoproteins (VLDL), intermediate density lipoproteins (IDL), low density lipoproteins (LDL) and high density lipoproteins (HDL). An elevated level of these lipoproteins, except for HDL, is the basis of all hyperlipidemias. However, only some of the lipoprotein fractions, particularly LDL and remnant particles, are potential risk factors for atherogenesis and subsequent cardiovascular disease. Several classes of pharmacological agents are currently available to increase the breakdown and reduce the synthesis of LDL and remnant factors. These include nicotinic acid and its analogs, fibric acid derivatives (e.g., clofibrate, gemfibrozil, bezafibrate), bile acid resins (e.g., cholestyramine), HMG-CoA reductase inhibitors (e.g., lovastatin, simvastatin, pravastatin) and probucol. Lipid lowering drugs of different classes have a synergistic effect on lipid metabolism and combination therapy is often used. Lipid lowering drugs are prescribed as long-term preventive therapy in apparently asymptomatic people. Several studies indicate that secondary prevention with lipid lowering drugs is cost-effective, particularly in patients with symptomatic coronary artery disease. (c) 1998 Prous Science. All rights reserved.
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=14743263&dopt=Abstract [PubMed - in process]
tin.it
Large-scale intervention trials demonstrate that treatment with statins, the most effective lipid lowering drug class, significantly reduces the risk of coronary heart disease events. Recent evidence suggests that more aggressive LDL cholesterol lowering with newly developed statins may provide greater clinical benefit, even in individuals with moderately elevated serum cholesterol levels. There is increasing evidence that statins exert a myriad of other beneficial pleiotropic effects on the vascular wall, thus altering the course of atherosclerotic disease. In the long-term treatment, non-life-threatening side effects may occur in up to 15% of patients receiving one statin. Significant elevations in the activity of serum aminotransferase and creatine kinase alone or in combination with muscle pain in statin-treated patients should be taken seriously. The combination of the statins with gemfibrozil results in higher rates of drug toxicity. Reports show possible adverse effects of statins on nervous system function including mood alterations, however, statins have also been associated with improvement in central nervous system disorders. Special attention must be paid to the tolerability of the statins in children, elderly and transplant patients. Future clinical studies and surveillance information will warrant long term safety of each member of this class of lipid-lowering agents. New classes of patients with diabetes, metabolic syndrome and renal diseases may have clinical benefits from statins. New upcoming clinical trials will address the fundamental question of whether statin treatment can protect from the natural history of atherosclerotic-related diseases. This will require a more prolonged follow-up (i.e., 10 to 15 years). Finally, the basic understanding of newer pathogenic mechanisms involving the effects of statins on angiogenesis and the nitric oxide pathway should be explored in the clinical setting as well as the study of pathogenic mechanisms by which statins can affect plaque instability.
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=14965203&dopt=Abstract [PubMed - in process]
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