Purple Book reference family · 351(a) biologic
letibotulinumtoxinA-wlbg (Letybo)
letibotulinumtoxinA-wlbg is an FDA-licensed reference biologic from Hugel, Inc..
351(a) biologicBLA 761225 Hugel, Inc.
Biosimilars
0
Interchangeables
0
Listed patents
0
Reference approved
2024
Reference product
Originator biologic
351(a)BLA 761225
Letybo letibotulinumtoxinA-wlbg
Hugel, Inc.
View full reference-product record- Approved
- Marketing
- Rx
- Center
- CDER
- Patents
- None listed
Exclusivity & patent cliffs
Protection horizon
Reference approval
Approval date of the reference letibotulinumtoxinA-wlbg product.
2 yr 5 mo ago
letibotulinumtoxinA-wlbg: frequently asked questions
Reference exclusivity, biosimilars, interchangeability, and patents for this molecule, from the FDA Purple Book.
Built from official FDA Purple Book records (monthly downloads, the Advanced Search interface, and the published Patent List), with reference-product, license-type, and exclusivity context for letibotulinumtoxinA-wlbg.
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