Calcium channel blockers for ureteral stones

Author(s):  
Andrew S Worster ◽  
David Rauchwerger ◽  
Crispen G Richards
2019 ◽  
Author(s):  
Mark Silva ◽  
Nina Mikkilineni ◽  
Ojas Shah

Medical expulsive therapy (MET) for ureteral stones involves the administration of pharmaceutical agents to facilitate passage of stones by ideally increasing the rate of passage and reducing time for expulsion. Several medications have been studied for this use. The most commonly studied off-label medications include α1-antagonists and calcium channel blockers. This article reviews the data available for the use of MET and controversies in the use of medications to aid stone passage based on more recent randomized controlled trials and meta-analyses. Based on the latest guidelines, α-blockers have been the most studied medication type and may have some benefit in the passage of distal ureteral stones greater than 4 mm in size. This review contains 2 figures and 34 references. Keywords: α1-antagonists, α-blockers, calcium channel blockers, medical expulsion therapy, phosphodiesterase inhibitors, ureteral stones


2008 ◽  
Author(s):  
Andrew S Worster ◽  
David Rauchwerger ◽  
Crispen G Richards

2019 ◽  
Vol 15 (3) ◽  
pp. 207-218 ◽  
Author(s):  
Fatma Ağın

Background:Calcium Channel Blockers (CCBs) are widely used in the treatment of cardiovascular and ischemic heart diseases in recent years. They treat arrhythmias by reducing cardiac cycle contraction and also benefit ischemic heart diseases. Electroanalytical methods are very powerful analytical methods used in the pharmaceutical industry because of the determination of therapeutic agents and/or their metabolites in clinical samples at extremely low concentrations (10-50 ng/ml). The purpose of this review is to gather electroanalytical methods used for the determination of calcium channel blocker drugs in pharmaceutical dosage forms and biological media selected mainly from current articles.Methods:This review mainly includes recent determination studies of calcium channel blockers by electroanalytical methods from pharmaceutical dosage forms and biological samples. The studies of calcium channel blockers electroanalytical determination in the literature were reviewed and interpreted.Results:There are a lot of studies on amlodipine and nifedipine, but the number of studies on benidipine, cilnidipine, felodipine, isradipine, lercanidipine, lacidipine, levamlodipine, manidipine, nicardipine, nilvadipine, nimodipine, nisoldipine, nitrendipine, diltiazem, and verapamil are limited in the literature. In these studies, DPV and SWV are the most used methods. The other methods were used less for the determination of calcium channel blocker drugs.Conclusion:Electroanalytical methods especially voltammetric methods supply reproducible and reliable results for the analysis of the analyte. These methods are simple, more sensitive, rapid and inexpensive compared to the usually used spectroscopic and chromatographic methods.


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