Assyro AI

Purple Book product · Biosimilar 351(k)

Fylnetra

pegfilgrastim-pbbk

351(k) BiosimilarBLA 761084RxLicensed Kashiv BioSciences, LLC

At a glance

May 26, 2022

Approved

Biosimilar 351(k)

License type

Rx

Marketing

No

Patents listed

Key dates

  1. Approval

    Approval date of this BLA submission.

    May 26, 2022

    4 yr 1 mo ago

  2. Today

Pharmaceutical detail

Strength

6MG/0.6ML

Dosage form

Injection

Route

Subcutaneous

Presentation

Pre-Filled Syringe

Center

CDER

License number

2131

Product number

001

Submission type

Original

Supplement number

Not listed

Change type

Not listed

Reference product family

View full family

Biosimilar of pegfilgrastim (Neulasta)

Patent list (1)

Patents published in the FDA Purple Book Patent List for this product, with expiration date and source link.
PatentExpiresInSource
9,856,287Jun 21, 2030in 4 yr 1 moFDA

Taxonomy and ontology

11 terms

center

Center for Drug Evaluation and Research

center · CDER

application pathway

Biologics License Application

blaNumber · BLA

license type

351(k) Biosimilar

blaType · 351(k) Biosimilar

application pathway

Section 351(k) Biosimilar or Interchangeable

blaType · 351(k)

product role

Biosimilar

blaType · Biosimilar

marketing status

Prescription

marketingStatus · Rx

licensure status

Licensed

licensure · Licensed

route

Subcutaneous

routeOfAdministration · Subcutaneous

dosage form

Injection

dosageForm · Injection

source kind

Monthly Download

sourceKind · monthly_download

  • Food and Drug Administrationparent ofCenter for Drug Evaluation and Research
  • Food and Drug Administrationsource forMonthly Download
  • Biologics License Applicationparent ofSection 351(a) Biologic
  • Biologics License Applicationparent ofSection 351(k) Biosimilar or Interchangeable
  • Section 351(k) Biosimilar or Interchangeablemaps to351(k) Biosimilar
  • Section 351(k) Biosimilar or Interchangeablemaps to351(k) Interchangeable

Source provenance

Source kind · Monthly download
Checked May 28, 2026
FDA release · April 2026
Agent CTA Background

Your Next Submission Could Take 6+ Fewer Weeks and Cost $250K Less.