The Medical Letter on Drugs and Therapeutics
				
			FROM
ISSUE1159
   				ISSUE1159
June 23, 2003
                		
                	Prilosec, Nexium and Stereoisomers
					
					
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Prilosec, Nexium and Stereoisomers
June 23, 2003 (Issue: 1159)
					Recently pharmaceutical manufacturers have marketed a stereoisomer of a successful drug nearing patent expiration as a new drug.  Examples, such as esomeprazole (Nexium) , levalbuterol (Xopenex), escitalopram (Lexapro) and dexmethylphenidate
 
        			
        			
					
					
					
					The Medical Letter is a subscriber-funded nonprofit organization that publishes critical appraisals of new prescription drugs and comparative reviews of drugs for common diseases.
					