Drug

BL22

As of the edition of 20 October 2026, BL22 is a drug: stopped in 2010; acts on CD22.

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

The drug

Status
Stopped, 2010
Kind
Unknown
Registered trials
2, 1 stopped early
Disease areas
Blood and lymph; Cancer; Immune 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

1 company on route B because of this drug.

Companies on route B for this drug

In the product

1 company is on route B because of BL22.

Target

GeneProteinUniProt
CD22B-cell receptor CD22P20273

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase 22101
All trials2

Who ran its trials

CompanyRoleYears
AstraZenecaLead sponsor of trials2003 to now