Generic Premphase 14/14 Availability

See also: Generic Prempro

Premphase 14/14 is a brand name of conjugated estrogens/medroxyprogesterone, approved by the FDA in the following formulation(s):

PREMPHASE 14/14 (estrogens, conjugated; medroxyprogesterone acetate - tablet; oral-28)

  • Manufacturer: WYETH PHARMS INC
    Approval date: November 17, 1995
    Strength(s): 0.625MG,0.625MG;N/A,5MG [RLD]

Has a generic version of Premphase 14/14 been approved?

No. There is currently no therapeutically equivalent version of Premphase 14/14 available.

Note: Fraudulent online pharmacies may attempt to sell an illegal generic version of Premphase 14/14. 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.

Related Patents

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.

  • Controlled release of steroids from sugar coatings
    Patent 5,547,948
    Issued: August 20, 1996
    Inventor(s): Barcomb; Reginald J.
    Assignee(s): American Home Products Corporation
    A sugar coating composition for application to a compressed medicinal tablet comprising a sugar, a dose of a hormonal steroid and a steroid release rate controlling amount of microcrystalline cellulose.
    Patent expiration dates:
    • January 17, 2015

See also...

Glossary

TermDefinition
Drug PatentA 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 ExclusivityExclusivity 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.
RLDA 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.
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