BESREMi Pen

Ropeginterferon alfa-2b · PharmaEssentia USA
PRESCRIPTION ONLY (USA)

BESREMi Pen ingredients

Active ingredientStrength
Ropeginterferon Alfa-2B500 ug/.5mL

What BESREMi Pen is used for

BESREMi Pen is a specialist medicine (interferon alfa-2b). Its approved uses are listed on the official FDA label below.

Key facts

Brand
BESREMi Pen
Generic name
Ropeginterferon alfa-2b
Made by
PharmaEssentia USA
Forms
Injection, Solution
Given
Subcutaneous
Drug class
Interferon alfa-2b
FDA approval
Biologic licence (BLA) BLA761166
On the US market since
2026

Official information

Specialist medicine: started and supervised by a specialist doctor or hospital. This page is a plain-language summary of public official information, not medical advice; follow your doctor and the official product information.

Common questions

What is BESREMi Pen?

BESREMi Pen (Ropeginterferon alfa-2b) is a specialist medicine made by PharmaEssentia USA, approved by the US FDA.

What are the ingredients of BESREMi Pen?

BESREMi Pen contains Ropeginterferon Alfa-2B (500 ug/.5mL).

From the FDA National Drug Code directory (open.fda.gov, public domain). Page made 5 November 2026 by Satya Babu.

← All specialty medicines, USA

For information only, not medical advice. This page is a plain-language summary written from standard prescribing information and the public guides linked below. Brands sometimes change their formula, so always check the composition printed on the pack. Doses here are typical adult doses; yours may differ. Do not start, stop or change a medicine without your doctor or pharmacist, and keep all medicines away from children. In an emergency, call 112 (India) or your local emergency number.