Cancer Home > Generic Zanosar

At this time, no companies have chosen to make a generic Zanosar (streptozocin) product. Even though this medicine no longer has patents that protect it from generic competition, companies have not yet decided to manufacture a generic version of this drug. It is not exactly clear why this is so, although it may be because the demand for this product is too small to make it profitable.

Can I Buy Generic Zanosar?

Zanosar® (streptozocin) is a prescription medication used to treat a certain type of cancer of the pancreas. It belongs to a group of chemotherapy medicines known as alkylating agents.
 
Zanosar is made by Teva Parenteral Medicines, Inc. Although it is no longer protected by patents, it is not yet available in generic form.
 

When Will a Generic Version Be Available?

Zanosar is an older medication. It was approved by the U.S. Food and Drug Administration (FDA) in 1982. As mentioned previously, the medication is no longer protected from generic competition by patents. Therefore, a manufacturer could make a generic version of it. However, at this time, no manufacturer has chosen to do so.
 
It is not entirely clear why a generic version of this drug is not being made. The most likely reason is the demand for the drug is simply too small for a company to bother making a generic version of it, as doing so might not be profitable. However, because it is not entirely known why a manufacturer has not chosen to make generic form of Zanosar, it is impossible to predict when, or even if, a generic version will become available.
 

Is Streptozocin a Generic Zanosar?

No -- streptozocin is the active ingredient in Zanosar, but is 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:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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