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Peg-IFNα

Recombinant protein · Immune activation · developed by Assembly Biosciences

Phase 2 Most advanced trial (none active)

ASMB Developer

1 Registered trials

What is Peg-IFNα?

Peg-IFNα is a pegylated form of interferon alpha, given by weekly subcutaneous injection.

Summary written with AI from the sources listed at the end of this page.

At a glance

Also known as: Pegylated-interferon Alpha
Drug type: Recombinant protein
Mechanism: Immune activation
Therapy area: Infectious disease
Developer: Assembly Biosciences (ASMB)
FDA status: Investigational, not approved in the US. Most advanced trial: Phase 2

🧪 Clinical trials

Trial	Phase	Condition	Status	Sponsor
NCT04781647	Phase 2	Chronic Hepatitis B	Terminated	ASMB

Trials of the companies BioRadar tracks, from ClinicalTrials.gov, most advanced phase first.

Conditions studied

Chronic Hepatitis B

More from Assembly Biosciences

ABI-1179 Phase 1 ABI-4334 Phase 1 ABI-5366 Phase 1 ABI-6250 Phase 2 ABI-H2158 Phase 2 ABI-H3733 Phase 1 ABI-M201 Phase 1 Vebicorvir Phase 2

Sources

ClinicalTrials.gov NCT04781647

Updated Oct 11, 2026. Something wrong or missing? Report it on the ASMB page.

Follow ASMB, the company behind Peg-IFNα

See ASMB's upcoming FDA decisions, trial readouts, cash runway and dilution risk, updated every day from SEC, FDA and ClinicalTrials.gov filings.

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Data: FDA (Drugs@FDA, Purple Book, DailyMed), NIH (NCI Thesaurus, GSRS, RxNorm), ClinicalTrials.gov • Informational purposes only, not medical or investment advice. • All drugs A–Z