FDA Orange Book

Generic for Esbriet

Esbriet contains pirfenidone. 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 Esbriet is pirfenidone. 14 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB.

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Esbriet products in the Orange Book

Esbriet products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
capsule, oral267MGMarketed (Rx)AB7AB
tablet, oral267MGMarketed (Rx)AB13AB
tablet, oral534MGDiscontinuedNone2AB
tablet, oral801MGMarketed (Rx)AB13AB

NDA 022535, 208780, held by LEGACY PHARMA INC SEZC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Approved generic pirfenidone

Approved generic versions of Esbriet
CompanyANDATE codeApprovedStrengths
AMNEAL EU LTD212569AB (A-rated, therapeutically equivalent)January 3, 2022267MG
ACCORD HEALTHCARE INC212731AB (A-rated, therapeutically equivalent)January 20, 2022267MG
ACCORD HEALTHCARE INC212730AB (A-rated, therapeutically equivalent)January 25, 2022267MG, 801MG
TEVA PHARMACEUTICALS USA INC212759AB (A-rated, therapeutically equivalent)January 25, 2022267MG, 801MG
AMNEAL EU LTD212570AB (A-rated, therapeutically equivalent)March 25, 2022267MG, 801MG
SANDOZ INC212560AB (A-rated, therapeutically equivalent)April 28, 2022267MG, 801MG
MICRO LABS LTD212680AB (A-rated, therapeutically equivalent)May 18, 2022267MG, 801MG
ALEMBIC PHARMACEUTICALS LTD212708AB (A-rated, therapeutically equivalent)May 20, 2022267MG, 801MG
MSN LABORATORIES PRIVATE LTD212772AB (A-rated, therapeutically equivalent)May 24, 2022267MG, 801MG
SANDOZ INC212600AB (A-rated, therapeutically equivalent)June 13, 2022267MG
LAURUS LABS LTD212724AB (A-rated, therapeutically equivalent)July 19, 2022267MG
LAURUS LABS LTD212722AB (A-rated, therapeutically equivalent)July 19, 2022267MG, 534MG, 801MG
AIZANT DRUG RESEARCH SOLUTIONS PRIVATE LTD212747AB (A-rated, therapeutically equivalent)July 21, 2022267MG, 534MG, 801MG
SCIEGEN PHARMACEUTICALS INC212077AB (A-rated, therapeutically equivalent)August 1, 2022267MG
SCIEGEN PHARMACEUTICALS INC212078AB (A-rated, therapeutically equivalent)August 1, 2022267MG, 801MG
HETERO LABS LTD UNIT V212674AB (A-rated, therapeutically equivalent)September 21, 2022267MG, 801MG
APOTEX INC212709AB (A-rated, therapeutically equivalent)May 31, 2023267MG, 801MG
MACLEODS PHARMACEUTICALS LTD212748AB (A-rated, therapeutically equivalent)December 18, 2024267MG
AUROBINDO PHARMA LTD212596AB (A-rated, therapeutically equivalent)August 11, 2025267MG, 801MG
AUROBINDO PHARMA LTD212597AB (A-rated, therapeutically equivalent)April 20, 2026267MG

Esbriet patents

Patents listed for Esbriet
PatentExpiresCoversUse codeNDA
7988994September 22, 2026Drug productU-1602022535
7767225September 22, 2026Drug productU-1602022535
8753679September 22, 2026Drug productU-1602022535
7767700December 18, 2027Method of useU-1601022535
8420674December 18, 2027Drug productU-1608022535
7696236December 18, 2027Method of useU-1601022535
7767700December 18, 2027Method of useU-2080208780
8420674December 18, 2027Method of useU-2079208780
8383150May 10, 2028Drug productU-2361022535
8592462April 22, 2029Method of useU-1609022535
7566729April 22, 2029Method of useU-1600022535
7635707April 22, 2029Method of useU-1609022535
8609701April 22, 2029Method of useU-1610022535
7566729April 22, 2029Method of useU-2078208780
8592462April 22, 2029Method of useU-2060208780
8592462April 22, 2029Method of useU-2063208780
8592462April 22, 2029Method of useU-2056208780
8592462April 22, 2029Method of useU-2058208780
8592462April 22, 2029Method of useU-2057208780
7635707April 22, 2029Method of useU-2083208780
7635707April 22, 2029Method of useU-2074208780
8609701April 22, 2029Method of useU-2065208780
8609701April 22, 2029Method of useU-2069208780
8609701April 22, 2029Method of useU-2066208780
8609701April 22, 2029Method of useU-2067208780
8592462April 22, 2029Method of useU-2059208780
8592462April 22, 2029Method of useU-2061208780
8592462April 22, 2029Method of useU-2055208780
8609701April 22, 2029Method of useU-2068208780
8609701April 22, 2029Method of useU-2070208780
7635707April 22, 2029Method of useU-2072208780
7635707April 22, 2029Method of useU-2075208780
7566729April 22, 2029Method of useU-2077208780
7635707April 22, 2029Method of useU-2076208780
8592462April 22, 2029Method of useU-2062208780
8609701April 22, 2029Method of useU-2064208780
7635707April 22, 2029Method of useU-2073208780
7566729April 22, 2029Method of useU-2269208780
7566729April 22, 2029Method of useU-2270208780
8013002January 8, 2030Method of useU-1603022535
8318780January 8, 2030Method of useU-1606022535
7910610January 8, 2030Method of useU-1604022535
8754109January 8, 2030Method of useU-1612022535
8084475January 8, 2030Method of useU-1605022535
8648098January 8, 2030Method of useU-1611022535
7816383January 8, 2030Method of useU-1603022535
7816383January 8, 2030Method of useU-2042208780
7910610January 8, 2030Method of useU-2049208780
8318780January 8, 2030Method of useU-2046208780
8318780January 8, 2030Method of useU-2081208780
8084475January 8, 2030Method of useU-2052208780
8084475January 8, 2030Method of useU-2054208780
8648098January 8, 2030Method of useU-2051208780
8648098January 8, 2030Method of useU-2052208780
8013002January 8, 2030Method of useU-2047208780
7910610January 8, 2030Method of useU-2048208780
7816383January 8, 2030Method of useU-2050208780
8754109January 8, 2030Method of useU-2053208780
8013002January 8, 2030Method of useU-2082208780
8084475January 8, 2030Method of useU-2268208780

Showing 60 of 64 listed patents.

Esbriet NDC codes

Questions

Is there a generic for Esbriet?

Yes. The generic name for Esbriet is pirfenidone. 14 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 Esbriet?

The active ingredient in Esbriet is pirfenidone, per the FDA Orange Book.

When does the Esbriet patent expire?

The last patent listed for Esbriet in the Orange Book expires March 28, 2037. 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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