Companies are not allowed to make generic versions of Cervidil (dinoprostone vaginal insert), as this drug is protected by patents. The earliest estimated date when a generic version might become available is in July 2012, when the first patent is expected to expire. However, lawsuits or new patents may change this date.
Can I Buy Generic Cervidil?
Cervidil® (dinoprostone vaginal insert) is a prescription medication approved to prepare the cervix before induction of labor. It comes as an insert that is placed high in the vagina, near the cervix.
Cervidil is made by Controlled Therapeutics for Forest Pharmaceuticals, Inc. The drug is protected by patents that prevent any generic versions from being sold in the United States.
When Will a Generic Version Be Available?
The first patent for Cervidil is set to expire in July 2012. This is the earliest predictable date that a generic version could become available.
However, this could change, depending on many factors, such as lawsuits or additional patents for new Cervidil uses. Once the drug goes off-patent, there may be several companies that will manufacture a generic Cervidil product.
Is Dinoprostone a Generic Form of Cervidil?
No -- dinoprostone is the active ingredient in Cervidil, not a generic version of it. What can be confusing is that the active ingredient of a drug is often 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, 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):
Cervidil [package insert]. St. Louis, MO: Forest Pharmaceuticals, Inc.;2010 April.
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 January 23, 2012.
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