BLAVIAL
Approved
Jun 1986
Lifecycle
LOE Approaching
Competitive Pressure
30/100
Clinical Trials
20
Data completeness
2/8 — Basic
Drug data last refreshed 2d ago
AI summarySynthesized from FDA + DailyMed + ClinicalTrials.gov data
INTRON A (Interferon Alfa-2B) is a recombinant immunomodulatory biologic approved in 1986 for treatment of hepatitis C, chronic hepatitis B, melanoma, chronic myelogenous leukemia, and polycythemia vera. It works by enhancing immune system activity to fight viral infections and malignant cells. This injectable vial formulation represents one of the earliest biotechnology-derived therapeutics.
LOE Approaching
With LOE approaching and modest competitive pressure (30/100), the INTRON A team is likely in transition mode with stabilization or modest downsizing expected.
Mechanism of Action
Mechanism of action data is being enriched from DailyMed and FDA sources. Check back soon for updated drug intelligence.
Indications
Indication data is being enriched from DailyMed and FDA labeling. Check back soon for approved therapeutic uses.
Clinical Trials (20)
Ropeginterferon Alfa-2b for the Treatment of Myelodysplastic Syndrome/Myeloproliferative Neoplasm Overlap Syndromes and Chronic Myelomonocytic Leukemia
Started Sep 2026
35 enrolled
Atypical Chronic Myeloid LeukemiaChronic Myelomonocytic LeukemiaMyelodysplastic/Myeloproliferative Neoplasm+2 more
Tolerability of Ropeginterferon Alfa-2b Add-on to Ongoing Ruxolitinib Therapy in Myelofibrosis (RopeRux in Myelofibrosis)
Started May 2026
15 enrolled
Myelofibrosis
Observational Study on the Use of Ropeginterferon Alfa-2b in Polycythemia Vera (ROPEG-PV)
Started Sep 2022
319 enrolled
Polycythemia Vera
The Safety and Efficacy of Sequential Treatment of Ropeginterferon Alfa-2b (P1101) and Anti-PD1 in Interferon-Naive Adults With Chronic Hepatitis B or D Infection
Started Aug 2022
20 enrolled
Chronic Hepatitis B InfectionChronic Hepatitis D Infection
A Follow-up Study of Peginterferon Alfa-2b Combined With TDF in Patients With Chronic Hepatitis B
Started Mar 2022
350 enrolled
Chronic Hepatitis B
Worked on INTRON A at Merck & Co.? Share your interview experience or compensation data (+7 days Pro)
Data Sources
- Drug label: DailyMed / FDA
- Clinical trials: ClinicalTrials.gov
- Patent data: FDA Orange Book
- Spending data: CMS Medicare
The information on this page is for informational purposes only and should not be used as a substitute for professional medical advice. Drug information is sourced from FDA, DailyMed, and other government databases. Adverse event data from FAERS does not establish causation. Always consult a healthcare professional for medical decisions.