At this time, no generic versions of Dynacirc CR (isradipine CR) are available. All of the patents for the brand-name version have expired, so it is unknown why any generic versions are not available at this time.
Dynacirc CR is made by Reliant Pharmaceuticals. At this time, is unclear why a generic version of Dynacirc CR has not yet become available.
When Will Generic Dynacirc CR Be Available?
It is difficult to guess when a generic version of Dynacirc CR may become available. All the Dynacirc CR patents that are listed with the United States Food and Drug Administration (FDA) have expired.
Is Isradipine the Same as Generic Dynacirc CR?
No -- isradipine is the active ingredient in Dynacirc CR, but is not a generic version of it. What can be confusing is that, oftentimes, the active ingredient of any drug is referred to as the "generic name." The generic name is different from a generic version of a medicine. In order for there to be a generic version of a medicine, the original medicine must have gone off-patent and another company besides the original manufacturer must make the product.
Written by/reviewed by: Kristi Monson, PharmD;Arthur Schoenstadt, MD
Last reviewed by: KristiMonson, PharmD;
List of references (click here):
Dynacirc CR [package insert]. Liberty Corner, NJ: Reliant Pharmaceuticals;2005 August.
Food and Drug Administration, Center for Drug Evaluation and Research. Electronic orange book: approved drug products with therapeutic equivalence evaluations. FDA Web site. Available at: http://www.fda.gov/cder/ob/. Accessed March 3, 2009.
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