Generic Busulfex

A patent currently prevents any company from making a generic Busulfex (busulfan injection) product. The earliest predictable date that a generic version could become available is March 2014, when this patent expires. Although busulfan is sometimes called the "generic name" of Busulfex, it is simply the active ingredient in the medication and not a generic version of it.

Can I Buy Generic Busulfex?

Busulfex® (busulfan injection) is a prescription medicine used in people with chronic myelogenous leukemia. It is given in the days preceding a stem cell transplant.
Busulfex is manufactured by Ben Venue Labs, Inc., and distributed by Otsuka America Pharmaceutical, Inc. It is currently protected by patents that prevent generic Busulfex from being manufactured in the United States.

When Will a Generic Version Be Available?

The first patent for Busulfex is set to expire in March 2014. This is the earliest possible date that a generic version could become available.

However, other circumstances could come up to delay or shorten this exclusivity period. This could include things such as lawsuits or other patents for new Busulfex uses. Once the patent expires, several companies may begin manufacturing a generic Busulfex drug.

Is Busulfan a Generic Busulfex?

No -- busulfan is the active ingredient in Busulfex, 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.
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Busulfex Drug Information

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