Drug

Interferon alfa

As of the edition of 20 October 2026, Interferon alfa is a protein: marketed.

Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.

The drug

Status
Marketed
Kind
Protein
Brand name
Egiferon
Approvals on record
5 in 5 regions
Holder of the most recent approval
Labo'Life; 4 holders in all
Registered trials
148, 20 stopped early
Disease areas
Cancer; Blood and lymph; Urinary and reproductive; Immune system; Pregnancy and women's health; Skin and connective tissue

US protection

No US approval on record.

With no US approval on record there are no listed US patents or exclusivities.

This is the US only.

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated5311
Phase 111901
Phase 29265116
Phase 3382402
Phase 42100
All trials148

Who has held its approvals

CompanyRoleYears
Dainippon Sumitomo PharmaOriginator