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Generic Avinza Availability

Avinza is a brand name of morphine, approved by the FDA in the following formulation(s):

AVINZA (morphine sulfate - capsule, extended release;oral)

  • Manufacturer: KING PHARMS LLC
    Approval date: March 20, 2002
    Strength(s): 30MG, 60MG, 90MG, 120MG
  • Manufacturer: KING PHARMS LLC
    Approval date: December 18, 2008
    Strength(s): 45MG, 75MG

All of the above formulations have been discontinued.

Note: Fraudulent online pharmacies may attempt to sell an illegal generic version of Avinza. 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.

  • Oral morphine multiparticulate formulation
    Patent 6,066,339
    Issued: May 23, 2000
    Inventor(s): Stark; Paul & Cunningham; Sean & Moodley; Jagathesan
    Assignee(s): Elan Corporation, plc
    An oral morphine multiparticulate formulation for once-daily administration to a patient, comprising sustained release particles each having a core containing water soluble morphine and an osmotic agent, the core being coated with a rate-controlling polymer coat comprised of ammonio methacrylate copolymers in an amount sufficient to achieve therapeutically effective plasma levels of morphine over at least 24 hours in the patient.
    Patent expiration dates:
    • November 25, 2017
      Drug product


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.