Assyro AI
FDA Purple Book · Reference family

letibotulinumtoxinA-wlbg (Letybo)

letibotulinumtoxinA-wlbg is an FDA-licensed reference biologic from Hugel, Inc.. Reference exclusivity, biosimilar lineage, and published patents from official FDA Purple Book records.

0

Biosimilars

0

Interchangeables

0

Listed patents

2024

Reference approved

Reference product

351(a)BLA 761225

Letybo letibotulinumtoxinA-wlbg

Hugel, Inc.

Approved
Feb 29, 2024
Marketing
Rx
Center
CDER
Patents
None listed

Exclusivity & patent cliffs

Approval, exclusivity, and published-patent expiration dates for letibotulinumtoxinA-wlbg, in chronological order.

  1. Reference approval

    Approval date of the reference letibotulinumtoxinA-wlbg product.

    2 yr 3 mo ago

Frequently asked questions

Are there biosimilars approved for letibotulinumtoxinA-wlbg (Letybo)?

No 351(k) biosimilars or interchangeable biosimilars referencing letibotulinumtoxinA-wlbg are listed in the FDA Purple Book yet.

Explore the full FDA Purple Book

Search every FDA-licensed biologic, biosimilar, and interchangeable with exclusivity timelines and patent records.

Open the Purple Book tool