Target

CD22

B-cell receptor CD22

As of the edition of 20 October 2026, CD22 (B-cell receptor CD22, UniProt P20273) has 14 drugs tested at it and 9 companies on the list, 5 on route A and 1 on route B.

Sources: UniProt, ClinicalTrials.gov, ChEMBL, FDA Orange Book and Purple Book, Pharos.

The protein

UniProt
P20273
How well studied
Drug target: an approved drug acts on it
Where it sits in the cell
At a membrane
Solved structures
7
Disease areas
Immune system; Blood and lymph; Cancer; Infections; Skin and connective tissue; Bones, joints and muscles; Heart and blood vessels; Nervous system
Registered trials of its drugs
115

Drugs at this target

StatusCount
Marketed3
Active3
Went quiet5
Stopped3
Total14
DrugStatusFurthest phaseUS protection
Inotuzumab ozogamicinMarketedPhase 4Ends 2031
EpratuzumabWent quietPhase 3none listed
Moxetumomab pasudotoxMarketedPhase 3Ends 2030
SM03ActivePhase 3none listed
AZD4512ActivePhase 2none listed
BL22StoppedPhase 2none listed
Pinatuzumab vedotinWent quietPhase 2none listed
Yttrium y 90 epratuzumab tetraxetanStoppedPhase 2none listed
BAY1862864Went quietPhase 1none listed
Epratuzumab-cys-tesirineStoppedPhase 2none listed
InotuzumabMarketedPhase 2none listed
Mono-dga-rfb4Went quietPhase 1none listed

12 of 14 drugs, the most tested first.

Companies at this target

Where the company standsCompanies
Route A5
Route B1
Engaged2
Undetermined1
Total on the list9
Three companies on route A or B, with the route only
CompanyRoute
AstraZenecaRoute B
AmgenRoute A
Gilead SciencesRoute A

The other 6 companies at CD22

In the product

9 companies in all; 6 are not named here, and no score is.

See the 9 companies at CD22, ranked, with the facts behind eachRequest access. Nothing is shown until you do.