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Brand-name prescription medicine

Plegridy Pen

Generic name: Peginterferon BETA-1A

FDA application holder: Biogen Idec Inc

Strengths and generic versions

Official data, not advice

Everything here comes from the U.S. Food and Drug Administration (FDA): the NDC Directory, Drugs@FDA, the official labels and recall reports; pharmacy costs come from the Centers for Medicare & Medicaid Services (CMS). Each fact shows its source and date.

This page is not medical advice. Talk to your doctor or pharmacist before you start, stop or switch any medicine, including a switch between a brand and a generic.

In an emergency, call 911. If someone may have taken too much of a medicine, call Poison Help: 1‑800‑222‑1222.

At a glance

1Strengths and forms
2Same medicine, other names
2014FDA approval
0Recalls (FDA reports)

Quick answers

What is Plegridy Pen?
Plegridy Pen is a brand name of Peginterferon BETA-1A, a prescription medicine. The FDA NDC Directory lists 1 Plegridy Pen product in 1 strength and form.
Who makes Plegridy Pen?
Biogen Idec Inc holds the FDA application for Plegridy Pen (BLA125499, approved August 15, 2014).
Is there a generic or store brand of Plegridy Pen?
Yes. The FDA NDC Directory lists 2 other products with the same active ingredients, strength and form as a Plegridy Pen product. Ask your pharmacist whether one is right for you.
Has Plegridy Pen been recalled?
No recall linked to Plegridy Pen products (by their NDC code or label) appears in the FDA enforcement reports we use.

What Plegridy Pen is

Each Plegridy Pen product as listed in the FDA NDC Directory, by active ingredient, strength and form, with its official label. “Same medicine, other names” counts the other products with exactly the same active ingredients, strength and form (generic versions, store brands and other brands); inactive ingredients can differ.

Peginterferon BETA-1A · prescription medicine

Strength and formProduct namesSame medicine, other namesLabel
peginterferon BETA-1A 125 ug/0.5 mL
injection, solution (subcutaneous)		 Plegridy Pen 2 products, 1 company —

Its page lists every product and company, the FDA label’s uses and boxed warning, approvals, shortages and recalls: Peginterferon BETA-1A →

FDA approval

  • BLA: Biologics License Application: how a biologic medicine (made from living cells) is approved.
FDA applications of Plegridy Pen products (Drugs@FDA)
ApplicationHolderFirst approvedProducts
BLA125499Biogen Idec IncAugust 15, 20141

Companies that list Plegridy Pen

The company named on the package (holder, repackager or distributor), as listed in the FDA NDC Directory, with its number of Plegridy Pen products.

Recalls

No recall linked to Plegridy Pen products (by their NDC code or label) appears in the FDA enforcement reports.

Sources

  1. NDC Directory (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  2. Drugs@FDA (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  3. Drug labeling (SPL, openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 30, 2026, retrieved October 31, 2026
  4. Drug recall enforcement reports (openFDA) — U.S. Food and Drug Administration (FDA), FDA data exported October 27, 2026, retrieved October 31, 2026
  5. NADAC (National Average Drug Acquisition Cost) 2026 — Centers for Medicare & Medicaid Services (CMS), data.medicaid.gov, list of November 4, 2026, retrieved November 7, 2026

Which names get a brand page: a name the NDC Directory lists for a medicine, held by one company (the FDA application holder, or the company named on most of its products), that is not just a description, and that is not the only product of its medicine.

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