FDA Orange Book

Is there a generic for Sezaby?

Sezaby contains phenobarbital. 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

No. The Orange Book lists no active FDA-approved generic (ANDA) for Sezaby (phenobarbital). The Orange Book shows its last listed patent expires April 7, 2042 and its last listed exclusivity ends November 17, 2029.

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Sezaby products in the Orange Book

Sezaby products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
powder, intravenous100MG/VIALMarketed (Rx)None0None

NDA 215910, held by SUN PHARMACEUTICAL INDUSTRIES INC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Sezaby patents

Patents listed for Sezaby
PatentExpiresCoversUse codeNDA
11857683April 7, 2042Drug productU-3779215910
12636254April 7, 2042Drug productU-3779215910

Sezaby exclusivity

Exclusivity listed for Sezaby
CodeMeaningExpiresNDA
ODE-414Orphan drug exclusivityNovember 17, 2029215910

Sezaby NDC codes

Questions

Is there a generic for Sezaby?

No. The Orange Book lists no active FDA-approved generic (ANDA) for Sezaby (phenobarbital). The Orange Book shows its last listed patent expires April 7, 2042 and its last listed exclusivity ends November 17, 2029.

What is the generic name for Sezaby?

The active ingredient in Sezaby is phenobarbital, per the FDA Orange Book.

When does the Sezaby patent expire?

The last patent listed for Sezaby in the Orange Book expires April 7, 2042. 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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