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Purple Book product · Interchangeable

Pyzchiva

ustekinumab-ttwe

351(k) InterchangeableBLA 761373RxLicensed Samsung Bioepis Co., Ltd.

Jun 27, 2025

Approved

Interchangeable

License type

Rx

Marketing

12

Listed patents

Pyzchiva (ustekinumab-ttwe) is a Interchangeable referencing ustekinumab, licensed under a 351(k) BLA in 2025 and marketed by Samsung Bioepis Co., Ltd.. As an interchangeable biosimilar it may be substituted for the reference product at the pharmacy without prescriber involvement, subject to state law. The Purple Book lists 12 published patents for this product.

Sourced from the FDA Purple Book · verified Jul 02, 2026

Key dates

  1. Approval

    Approval date of this BLA submission.

    Jun 27, 2025

    1 yr 1 mo ago

  2. Today

Pharmaceutical detail

Strength

45MG/0.5ML

Dosage form

Injection

Route

Subcutaneous

Presentation

Autoinjector

Center

CDER

License number

2046

Product number

004

Submission type

Supplement

Supplement number

1

Change type

Not listed

Reference product family

View full family

Biosimilar of ustekinumab (Stelara)

Patent list (12)

Patents published in the FDA Purple Book Patent List for this product, with expiration date and source link.
PatentExpiresInSource
6,902,734Sep 25, 20232 yr 10 mo agoFDA
6,902,734Sep 25, 20232 yr 10 mo agoFDA
8,852,889Jul 06, 2032in 6 yr 1 moFDA
8,852,889Jul 06, 2032in 6 yr 1 moFDA
9,475,858Jul 06, 2032in 6 yr 1 moFDA
9,475,858Jul 06, 2032in 6 yr 1 moFDA
9,217,168Mar 14, 2033in 6 yr 9 moFDA
9,217,168Mar 14, 2033in 6 yr 9 moFDA
9,663,810Mar 14, 2033in 6 yr 9 moFDA
9,663,810Mar 14, 2033in 6 yr 9 moFDA
10,961,307Sep 24, 2039in 13 yr 5 moFDA
10,961,307Sep 24, 2039in 13 yr 5 moFDA

Source provenance

Source kind · Advanced Search
Checked Jul 02, 2026
  • advanced-searchAdvanced Search · Jul 02, 2026
  • monthly-downloadMonthly download · Jul 02, 2026

Change history

  • v4Jul 02, 2026
  • v3Jul 02, 2026
  • v2Jul 02, 2026

Frequently asked questions

When do Pyzchiva's patents expire?

The FDA Purple Book lists 12 published patents for Pyzchiva, with the last listed patent expiring Sep 24, 2039. Every patent below links to its FDA source record so you can verify the expiration date.

Is Pyzchiva a biosimilar?

Yes. Pyzchiva is a Interchangeable referencing ustekinumab, licensed under a 351(k) BLA.

Is Pyzchiva interchangeable?

Yes. Pyzchiva carries an FDA interchangeability designation, so it may be substituted for the reference product at the pharmacy without prescriber involvement, subject to state law.

What is Pyzchiva's BLA number?

Pyzchiva is licensed under BLA 761373, held by Samsung Bioepis Co., Ltd..

When was Pyzchiva approved by the FDA?

Pyzchiva was approved by the FDA on Jun 27, 2025.

Related FDA reference tools

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