Who are Interferon beta-1a (Avonex)'s main competitors?

Direct comparators (same drug class / molecular target / therapeutic area): Plegridy, Avonex, Betaseron, Peginterferon, Interferon beta-1a (Rebif), Rebif® (clone 484-39).

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Every 30 minutes from primary sources (FDA, EMA, MHRA, PMDA, ClinicalTrials.gov, USPTO). Subscribe to the RSS feed below for push alerts.

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Last reviewed 2026-05-14 · How we verify

Interferon beta-1a (Avonex) — Competitive Intelligence Brief

Interferon beta-1a (Avonex) (Interferon beta-1a (Avonex)) competitive landscape: 6 comparators, recent regulatory actions, upcoming PDUFA, patent timeline. Class: Interferon beta. Area: Immunology.

marketed Interferon beta Interferon-beta receptor (IFNAR) Immunology Small molecule Live · refreshed every 30 min

Target snapshot

Interferon beta-1a (Avonex) (Interferon beta-1a (Avonex)) — Biogen. Interferon beta-1a activates interferon signaling pathways to modulate immune responses and reduce inflammatory activity in the central nervous system.

Comparator set (6 drugs)

Auto-detected by same drug class / molecular target / therapeutic area, ranked by phase + recency. Override with ?vs=slug1,slug2,….

Drug	Generic	Sponsor	Phase	Class	Target	Approval / PDUFA
Interferon beta-1a (Avonex) TARGET	Interferon beta-1a (Avonex)	Biogen	marketed	Interferon beta	Interferon-beta receptor (IFNAR)
Plegridy	PEGINTERFERON BETA-1A	Biogen Idec Inc	marketed	Interferon beta [EPC]	Interferon alpha/beta receptor	2014-01-01
Avonex	INTERFERON BETA-1A	Biogen	marketed	Interferon beta [EPC]	Interferon alpha/beta receptor	1996-01-01
Betaseron	INTERFERON BETA-1B	Bayer Healthcare Pharms	marketed	Interferon beta	Interferon alpha/beta receptor	1993-01-01
Peginterferon	Peginterferon	Ziv Hospital	marketed	Interferon beta [EPC]	Interferon alpha/beta receptor
Interferon beta-1a (Rebif)	Interferon beta-1a (Rebif)	Merck KGaA, Darmstadt, Germany	marketed	Interferon beta	Interferon-beta receptor (IFNAR)
Rebif® (clone 484-39)	Rebif® (clone 484-39)	Merck KGaA, Darmstadt, Germany	marketed	Interferon beta-1a	Type I interferon receptor (IFNAR)

Recent regulatory actions (last 90 days)

No regulatory actions in the last 90 days for this set.

Upcoming PDUFA dates (next 180 days)

No PDUFA dates in the next 180 days for this set.

Patent timeline (forward window)

No upcoming patent expiries for this set.

Sponsor landscape (Interferon beta class)

Biogen · 2 drugs in this class
Bayer · 1 drug in this class
Bayer Healthcare Pharms · 1 drug in this class
Merck KGaA, Darmstadt, Germany · 1 drug in this class

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Cite this brief

Drug Landscape (2026). Interferon beta-1a (Avonex) — Competitive Intelligence Brief. https://druglandscape.com/ci/interferon-beta-1a-avonex. Accessed 2026-05-14.

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