FDA Orange Book

Generic for Opana ER

Opana ER contains oxymorphone. Orange Book status for every listed strength, the approved generic makers, and the listed patents and exclusivities.

Source: FDA Orange Book data file dated 2026-10-09. Publisher page

Yes. The generic name for Opana ER is oxymorphone. 1 company holds an active FDA approval (ANDA) for a generic version in the Orange Book.

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Opana ER products in the Orange Book

Opana ER products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
tablet, extended release, oral10MGDiscontinuedNone1None
tablet, extended release, oral10MGDiscontinuedNone1None
tablet, extended release, oral15MGDiscontinuedNone1None
tablet, extended release, oral15MGDiscontinuedNone1None
tablet, extended release, oral20MGDiscontinuedNone1None
tablet, extended release, oral20MGDiscontinuedNone1None
tablet, extended release, oral30MGDiscontinuedNone1None
tablet, extended release, oral30MGDiscontinuedNone1None
tablet, extended release, oral40MGDiscontinuedNone1None
tablet, extended release, oral40MGDiscontinuedNone1None
tablet, extended release, oral5MGDiscontinuedNone1None
tablet, extended release, oral5MGDiscontinuedNone1None
tablet, extended release, oral7.5MGDiscontinuedNone1None
tablet, extended release, oral7.5MGDiscontinuedNone1None

NDA 021610, 201655, held by ENDO OPERATIONS LTD. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Approved generic oxymorphone

Approved generic versions of Opana ER
CompanyANDATE codeApprovedStrengths
IMPAX LABORATORIES INC079087None (No TE code listed)June 14, 201010MG, 10MG, 15MG, 15MG, 20MG, 20MG, 30MG, 30MG, 40MG, 40MG, 5MG, 5MG, 7.5MG, 7.5MG

Opana ER patents

Patents listed for Opana ER
PatentExpiresCoversUse codeNDA
8808737June 21, 2027Method of useU-3085021610
8808737June 21, 2027Method of useU-1598201655
7851482July 10, 2029Drug substanceNone201655
8871779November 22, 2029Drug substanceNone021610

Questions

Is there a generic for Opana ER?

Yes. The generic name for Opana ER is oxymorphone. 1 company holds an active FDA approval (ANDA) for a generic version in the Orange Book.

What is the generic name for Opana ER?

The active ingredient in Opana ER is oxymorphone, per the FDA Orange Book.

When does the Opana ER patent expire?

The last patent listed for Opana ER in the Orange Book expires November 22, 2029. A listed patent expiry date is not a generic launch date.

What does a therapeutic equivalence code mean?

In the Orange Book, codes that start with A (such as AB) mean FDA considers the product therapeutically equivalent to the reference drug. Codes that start with B mean FDA does not, at this time, consider the product therapeutically equivalent.

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