Purple Book product · Interchangeable
Pyzchiva
ustekinumab-ttwe
Jun 27, 2025
Approved
Interchangeable
License type
Rx
Marketing
12
Listed patents
Sourced from the FDA Purple Book · verified Jul 02, 2026
Key dates
Approval
Approval date of this BLA submission.
Jun 27, 2025
1 yr 1 mo ago
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 familyBiosimilar of ustekinumab (Stelara)
Patent list (12)
| Patent | Expires | In | Source |
|---|---|---|---|
| 6,902,734 | Sep 25, 2023 | 2 yr 10 mo ago | FDA |
| 6,902,734 | Sep 25, 2023 | 2 yr 10 mo ago | FDA |
| 8,852,889 | Jul 06, 2032 | in 6 yr 1 mo | FDA |
| 8,852,889 | Jul 06, 2032 | in 6 yr 1 mo | FDA |
| 9,475,858 | Jul 06, 2032 | in 6 yr 1 mo | FDA |
| 9,475,858 | Jul 06, 2032 | in 6 yr 1 mo | FDA |
| 9,217,168 | Mar 14, 2033 | in 6 yr 9 mo | FDA |
| 9,217,168 | Mar 14, 2033 | in 6 yr 9 mo | FDA |
| 9,663,810 | Mar 14, 2033 | in 6 yr 9 mo | FDA |
| 9,663,810 | Mar 14, 2033 | in 6 yr 9 mo | FDA |
| 10,961,307 | Sep 24, 2039 | in 13 yr 5 mo | FDA |
| 10,961,307 | Sep 24, 2039 | in 13 yr 5 mo | FDA |
Source provenance
- 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
- FDA Orange BookApproved drugs, generics, therapeutic-equivalence codes, patents, and exclusivity.
- FDA BiosimilarsThe list of FDA-approved biosimilars and interchangeable biosimilars, by reference product.
- 510(k) Predicate DatabaseSearch FDA 510(k) clearances and map predicate-device lineage.
- FDA 483 & Inspection DatabaseFDA Form 483 observations and inspection records by firm, date, and citation.

