FDA Orange Book

Generic for Colazal

Colazal contains balsalazide. 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 Colazal is balsalazide. 5 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB.

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Colazal products in the Orange Book

Colazal products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
capsule, oral750MGMarketed (Rx)AB5AB

NDA 020610, held by VALEANT PHARMACEUTICALS INTERNATIONAL. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Approved generic balsalazide

Approved generic versions of Colazal
CompanyANDATE codeApprovedStrengths
APOTEX INC077883AB (A-rated, therapeutically equivalent)December 28, 2007750MG
HIKMA PHARMACEUTICALS USA INC077806AB (A-rated, therapeutically equivalent)December 28, 2007750MG
NOVITIUM PHARMA LLC077807AB (A-rated, therapeutically equivalent)December 28, 2007750MG
ZYDUS LIFESCIENCES GLOBAL FZE217592AB (A-rated, therapeutically equivalent)June 8, 2023750MG
CARNEGIE PHARMACEUTICALS LLC219422AB (A-rated, therapeutically equivalent)April 3, 2025750MG

Colazal patents

Patents listed for Colazal
PatentExpiresCoversUse codeNDA
7625884August 24, 2026Method of useU-141020610
7452872August 24, 2026Method of useU-141020610
7452872*PEDFebruary 24, 2027Method of useNone020610
7625884*PEDFebruary 24, 2027Method of useNone020610

Questions

Is there a generic for Colazal?

Yes. The generic name for Colazal is balsalazide. 5 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB.

What is the generic name for Colazal?

The active ingredient in Colazal is balsalazide, per the FDA Orange Book.

When does the Colazal patent expire?

The last patent listed for Colazal in the Orange Book expires February 24, 2027. 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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