Because certain patents are in place until July 2018, companies are not allowed to make a generic version of Clolar (clofarabine) at this time. However, after these patents expire, a generic product may become available. Certain circumstances may come up, such as lawsuits or patents for new uses, that could delay the availability of a generic version of this drug.
Can I Buy Generic Clolar?
Clolar® (clofarabine) is a prescription medication used to treat acute lymphoblastic leukemia in children from the age of 1 of 21 years old who have already tried other treatment. It belongs to a group of medicines known as purine analogs.
Clolar is made by AAIPharma Services and Teva Pharmachemie for Genzyme Corporation. It is currently protected from generic competition by patents that have yet to expire.
When Will a Generic Version Be Available?
The patent for Clolar is set to expire in July 2018. This is the earliest predictable date that a generic version could become available. However, other circumstances could come up to delay or shorten this exclusivity period, including things such as lawsuits or other patents for new Clolar uses. Once the patent expires, there may be several companies that manufacture a generic Clolar drug.
Is Clofarabine a Generic Clolar?
No -- clofarabine is the active ingredient in Clolar, 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
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 October 16, 2012.
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