At this time, no generic versions of Dynacirc CR (isradipine CR) are available. The medication still has one unexpired patent that prevents any generic versions from being produced in the United States. As soon as this patent expires in November 2008, however, other companies can begin making a generic Dynacirc CR drug.
Dynacirc CR was first manufactured by Reliant Pharmaceuticals. It is currently under the protection of a patent that prevents any generic Dynacirc CR from being manufactured in the United States.
When Will Generic Dynacirc CR Be Available?
The first patents for Dynacirc CR expired in 2007. However, no manufacturers have chosen to make a generic version, possibly because it still has one unexpired patent, which is set to expire in November 2008. This is probably the earliest date that a generic version of Dynacirc CR should be expected. However, other circumstances could come up to extend the exclusivity period beyond 2008. This could include such things as other patents for specific Dynacirc CR uses or lawsuits. Once the patent expires, several companies will likely begin manufacturing a generic Dynacirc CR drug.
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.
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