Drug

BIIB019

As of the edition of 20 October 2026, BIIB019 is a drug known only by a code name: went quiet in 2014; acts on IL2RA, IL2RB and IL2RG.

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

The drug

Status
Went quiet, 2014
Kind
Code name only
Registered trials
4, 0 stopped early
Disease areas
Immune system; Nervous system

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.

Companies that need a new molecule because of this drug

2 company-target rows on route A because of this drug.

Companies on route A for this drug

In the product

2 company-target rows are on route A because of BIIB019.

Targets

GeneProteinUniProt
IL2RAInterleukin-2 receptor subunit alphaP01589
IL2RBInterleukin-2 receptor subunit betaP14784
IL2RGCytokine receptor common subunit gammaP31785

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 11100
Phase 22200
Phase 31100
All trials4

Who ran its trials

CompanyRoleYears
BiogenLead sponsor of trials2008 to now