Generic Zytiga Availability
ZYTIGA (abiraterone acetate - tablet;oral)
Manufacturer: JANSSEN BIOTECH
Approval date: April 28, 2011
Strength(s): 250MG [RLD]
Has a generic version of Zytiga been approved?
No. There is currently no therapeutically equivalent version of Zytiga available in the United States.
Note: Fraudulent online pharmacies may attempt to sell an illegal generic version of Zytiga. These medications may be counterfeit and potentially unsafe. If you purchase medications online, be sure you are buying from a reputable and valid online pharmacy. Ask your health care provider for advice if you are unsure about the online purchase of any medication.
See also: About generic drugs.
Patents are granted by the U.S. Patent and Trademark Office at any time during a drug's development and may include a wide range of claims.
17-substituted steroids useful in cancer treatment
Issued: February 18, 1997
Inventor(s): Barrie; Susan E. & Jarman; Michael & Potter; Gerard A. & Hardcastle; Ian R.
Assignee(s): British Technology Group Limited
Compounds of the general formula (1) ##STR1## wherein X represents the residue of the A, B and C rings of a steroid, R represents a hydrogen atom or an alkyl group of 1 to 4 carbon atoms, R.sup.14 represents a hydrogen atom and R.sup.15 represents a hydrogen atom or an alkyl or alkoxy group of 1-4 carbon atoms, or a hydroxy or alkylcarbonyloxy group of 2 to 5 carbon atoms or R.sup.14 and R.sup.15 together represent a double bond, and R.sup.16 represents a hydrogen atom or an alkyl group of 1 to 4 carbon atoms, in the form of the free bases or phannaceutically acceptable acid addition salts, are useful for treatment of androgen-dependent disorders, especially prostatic cancer, and also oestrogen-dependent disorders such as breast cancer.Patent expiration dates:
- December 13, 2016✓✓✓
- December 13, 2016✓✓✓
- December 13, 2016
Methods and compositions for treating cancer
Issued: September 2, 2014
Assignee(s): Janssen Oncology, Inc.
Methods and compositions for treating cancer are described herein. More particularly, the methods for treating cancer comprise administering a 17α-hydroxylase/C17,20-lyase inhibitor, such as abiraterone acetate (i.e., 3β-acetoxy-17-(3-pyridyl)androsta-5,16-diene), in combination with at least one additional therapeutic agent such as an anti-cancer agent or a steroid. Furthermore, disclosed are compositions comprising a 17α-hydroxylase/C17,20-lyase inhibitor, and at least one additional therapeutic agent, such as an anti-cancer agent or a steroid.Patent expiration dates:
- August 24, 2027✓
- August 24, 2027✓
- August 24, 2027
Exclusivity is exclusive marketing rights granted by the FDA upon approval of a drug and can run concurrently with a patent or not. Exclusivity is a statutory provision and is granted to an NDA applicant if statutory requirements are met.
- Exclusivity expiration dates:
- December 10, 2015 - IN COMBINATION WITH PREDNISONE FOR THE TREATMENT OF PATIENTS WITH METASTATIC CASTRATION-RESISTANT PROSTATE CANCER
- April 28, 2016 -
More about Zytiga (abiraterone)
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|Drug Patent||A drug patent is assigned by the U.S. Patent and Trademark Office and assigns exclusive legal right to the patent holder to protect the proprietary chemical formulation. The patent assigns exclusive legal right to the inventor or patent holder, and may include entities such as the drug brand name, trademark, product dosage form, ingredient formulation, or manufacturing process A patent usually expires 20 years from the date of filing, but can be variable based on many factors, including development of new formulations of the original chemical, and patent infringement litigation.|
|Drug Exclusivity||Exclusivity is the sole marketing rights granted by the FDA to a manufacturer upon the approval of a drug and may run simultaneously with a patent. Exclusivity periods can run from 180 days to seven years depending upon the circumstance of the exclusivity grant.|
|RLD||A Reference Listed Drug (RLD) is an approved drug product to which new generic versions are compared to show that they are bioequivalent. A drug company seeking approval to market a generic equivalent must refer to the Reference Listed Drug in its Abbreviated New Drug Application (ANDA). By designating a single reference listed drug as the standard to which all generic versions must be shown to be bioequivalent, FDA hopes to avoid possible significant variations among generic drugs and their brand name counterpart.|