As all of the patents for Depo-Provera have expired, drug manufacturers are allowed to make generic versions of this drug in the United States. However, no company currently makes generic Depo-Provera 400 mg per mL, the strength of the medication approved for use in renal and endometrial cancer.
It is unclear why a generic version of Depo-Provera in this higher strength is not available at this time. The demand for this strength may be too small for a generic manufacturer to make a profit on a generic version. Because it is unknown why a generic version is not yet available, it is impossible to predict when, or if, a manufacturer will choose to make a generic version of it.
Is Medroxyprogesterone Injection a Generic Depo-Provera?
No -- medroxyprogesterone is the active ingredient in Depo-Provera (as well as in a few other medications), but it 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 of a medicine, the original medicine must have gone off-patent, and another company besides the original manufacturer would make the product.
Written by/reviewed by: Kristi Monson, PharmD;Arthur Schoenstadt, MD
Last reviewed by: KristiMonson, PharmD;
List of references (click here):
Depo-Provera [package insert]. New York, NY: Pfizer Inc.;2006 May.
Depo-Provera Contraceptive Injection [package insert]. New York, NY: Pfizer Inc.;2011 May.
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 May 24, 2011.
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