Skip to content
Assyro AI
FDA Orange Book · active-ingredient family

Leflunomide

Leflunomide: 1 brand, 12 generics; first approved Sep 10, 1998; generic available.

Generic availableHas discontinued products
Generic status & protection

Generic available: 12 ANDA applications approved.

Brands (NDA)
1
Generics (ANDA)
12
Listed patents
0
Presentations
27

Brand (NDA) products

Originator applications
  • NDA 02090519983 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    10MGTABLETORALRxAB
    20MGTABLETORALRxAB
    100MGTABLETORALDiscontinued—

Generic (ANDA) products (12)

Abbreviated applications
  • LEFLUNOMIDE
    ANDA 21349720212 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    10MGTABLETORALRxAB
    20MGTABLETORALRxAB
  • LEFLUNOMIDE
    ANDA 21365220212 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    10MGTABLETORALRxAB
    20MGTABLETORALRxAB
  • LEFLUNOMIDE
    ANDA 21186320202 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    10MGTABLETORALRxAB
    20MGTABLETORALRxAB
  • LEFLUNOMIDE
    ANDA 21245320192 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    10MGTABLETORALRxAB
    20MGTABLETORALRxAB
  • LEFLUNOMIDE
    ANDA 21230820192 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    10MGTABLETORALRxAB
    20MGTABLETORALRxAB
  • LEFLUNOMIDE
    ANDA 09136920112 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    10MGTABLETORALRxAB
    20MGTABLETORALRxAB
  • LEFLUNOMIDE
    ANDA 07709020052 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    10MGTABLETORALRxAB
    20MGTABLETORALRxAB
  • LEFLUNOMIDE
    ANDA 07708320052 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    10MGTABLETORALDiscontinued—
    20MGTABLETORALDiscontinued—
  • LEFLUNOMIDE
    ANDA 07708720052 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    10MGTABLETORALRxAB
    20MGTABLETORALRxAB
  • LEFLUNOMIDE
    ANDA 07708620052 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    10MGTABLETORALRxAB
    20MGTABLETORALRxAB
  • LEFLUNOMIDE
    ANDA 07708520052 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    10MGTABLETORALDiscontinued—
    20MGTABLETORALDiscontinued—
  • LEFLUNOMIDE
    ANDA 07708420052 strengths
    Approved strengths under this FDA application.
    StrengthDosage formRouteStatusTE
    10MGTABLETORALDiscontinued—
    20MGTABLETORALDiscontinued—

Listed patents

Orange Book patent file

No patents are listed against this product in the Orange Book. Listed patents reflect those the NDA holder submits under 21 U.S.C. 355 and are not exhaustive.

Approval history

FDA approval span
First approval
28 yr 6 mo ago
Most recent approval
5 yr 6 mo ago

Approvals span 1998–2021 across 13 FDA applications.

Brand (NDA) 18%
Generic (ANDA) 1292%

Leflunomide: frequently asked questions

Generics, reference-listed drug, patents, and exclusivity for this active ingredient, from the FDA Orange Book.

Built directly from the FDA Orange Book data file (products, patents, and exclusivity). TE codes, RLD/RS flags, patent expirations, and exclusivity dates match the official FDA record. Listed patents reflect those the NDA holder submits under 21 U.S.C. 355 and are not exhaustive.

Related FDA reference tools

Agent CTA Background

Your Next Submission Could Take 6+ Fewer Weeks and Cost $250K Less.