TheraRadar
Data updated: May 26, 2026

BETASERON (interferon beta-1b)

Trial Activity: Mature
CNS Approved 1993-07-23

BETASERON is indicated for the treatment of Multiple Sclerosis.

Source: FDA Label • Bayer

How BETASERON Works

The precise mechanism of action of BETASERON in patients with multiple sclerosis is currently unknown. While the drug is classified as an interferon beta-1b, the specific biological targets or pathways it interacts with to produce a therapeutic effect have not been established. Consequently, the exact process by which it impacts the progression or symptoms of multiple sclerosis remains unidentified.

Development Insights

The University of Hong Kong conducting 2 trials (29%)
6 indications explored (Moderate)
relapsing-remitting multiple sclerosis (2 trials)
relapsing remitting multiple sclerosis (1 trials)
covid (1 trials)
5
Indications
--
Phase 3 Trials
2
Priority Reviews
32
Years on Market

Details

Status
Prescription
First Approved
1993-07-23
Routes
SUBCUTANEOUS
Dosage Forms
VIAL

Companies

Active Ingredient: INTERFERON BETA-1B

BETASERON Approval History

1994
1995
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1998
1999
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2001
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2026
Original
New Indication
New Form
Label Update
39 FDA actions from 1993 to 2024 · 4 indication expansions
May 2024 SUPPL
Label · Labeling
Jul 2023 SUPPL
Label · Labeling
Sep 2022 SUPPL
Label · Labeling

What BETASERON Treats

1 indications

BETASERON is approved for 1 conditions since its original approval in 1993. These indications span multiple therapeutic areas including oncology, immunology, and more.

  • Multiple Sclerosis
Source: FDA Label

BETASERON Competitive Set

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Filters applied: drops same-active-ingredient (505(b)(2) reformulations), route-mismatch (topical vs systemic), and cross-therapeutic-area matches in same-indication rings.

What's emerging in BETASERON's indications

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Phase 3 candidates targeting molecules with no FDA-approved drug, in indications BETASERON treats. First-in-class if their pivotal trials read out positive.

Drugs Similar to BETASERON

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AMPYRA
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1 shared
MERZ
Shared indications:
AVONEX
INTERFERON BETA-1A
1 shared
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Shared indications:
BACLOFEN
BACLOFEN
1 shared
PHARMOBEDIENT
Shared indications:
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Clinical Trial Registry

6 trials
Trial Sponsor ID Phase Status Title
NCT03177083 PLENO PRT-PEG-15-10880 2016-000434-21 Ph 4 completed Evaluate Safety/Tolerability in Portuguese Participants With RRMS Transitioning From Current Therapy
NCT04350281 UW 20-211 Ph 2 completed Double Therapy With IFN-beta 1b and Hydroxychloroquine
NCT04343768 COVIFERON Different Interferons in COVID Ph 2 completed An Investigation Into Beneficial Effects of Interferon Beta 1a, Compared to Interferon Beta 1b And The Base Therapeutic Regiment in Moderate to Severe COVID-19: A Randomized Clinical Trial
NCT04276688 UW-20-074 Ph 2 completed Lopinavir/ Ritonavir, Ribavirin and IFN-beta Combination for nCoV Treatment
NCT01144052 results posted EOC.NC.09.01 Ph 4 completed Natalizumab De-escalation With Interferon Beta-1b
NCT01701856 EOC.NSI.11.01 Ph 4 terminated Natalizumab De-escalation to Interferon-beta-1b in Patients With Relapsing-remitting Multiple Sclerosis
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Active Pipeline

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Ongoing clinical trials by development phase

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Key Completed Trials

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Completed studies with published results, ranked by significance

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Trial Timeline

Full development history with FDA approval milestones

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Understanding FDA Approval Types
Count Type What it means
- ORIG Original approval - drug first enters market
- SUPPL - Efficacy New indication (new disease/condition approved)
- SUPPL - Labeling Label text changes (warnings, dosing updates)
- SUPPL - Manufacturing Production changes (new facility)
- SUPPL - Chemistry Formulation changes (new dosage strength)

Green lines in the timeline show ORIG and Efficacy approvals - the clinically meaningful milestones.

BETASERON FDA Label Details

Indications & Usage

FDA Label (PDF)

BETASERON is indicated for the treatment of Multiple Sclerosis.

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Data Sources

Data sourced from official FDA and NIH databases. Click links to verify on original sources.

How We Calculate These Metrics

Trial Activity Stage

Measures the current development activity pattern based on trial phases, status, and trends. Important: This measures R&D activity, not commercial lifecycle.

Trial statuses: "Active" means recruiting or ongoing. "Completed" means reached planned endpoint. "Terminated" means stopped early—often due to safety, efficacy, or business reasons.

  • Growth: High proportion of early-phase trials (Phase 1/2), active development
  • Expansion: Significant Phase 3 activity, approaching or pursuing approvals
  • Mature: Substantial Phase 4 post-marketing studies
  • Stable: Mixed phase distribution, steady development
  • Declining: Low active trial ratio, reduced R&D investment