Purple Book reference family · 351(a) biologic
collagenase clostridium histolyticum-aaes (Qwo)
collagenase clostridium histolyticum-aaes is an FDA-licensed reference biologic from Endo Global Aesthetics Limited.
351(a) biologicBLA 761146 Endo Global Aesthetics Limited
Biosimilars
0
Interchangeables
0
Listed patents
0
Reference approved
2020
Reference product
Originator biologic
351(a)BLA 761146
Qwo collagenase clostridium histolyticum-aaes
Endo Global Aesthetics Limited
View full reference-product record- Approved
- Marketing
- Disc
- Center
- CDER
- Patents
- None listed
Exclusivity & patent cliffs
Protection horizon
Reference approval
Approval date of the reference collagenase clostridium histolyticum-aaes product.
6 yr 2 mo ago
collagenase clostridium histolyticum-aaes: 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 collagenase clostridium histolyticum-aaes.
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- FDA 483 DatabaseFDA Form 483 observations and inspection records by firm, date, and citation.

