Last reviewed · How we verify

AD-221B

Addpharma Inc. · Phase 3 active Small molecule

AD-221B is a small molecule that targets the PD-1 receptor.

AD-221B is a small molecule that targets the PD-1 receptor. Used for Non-small cell lung cancer, PD-L1 positive.

At a glance

Generic nameAD-221B
Also known asEzetimibe
SponsorAddpharma Inc.
Drug classPD-1 inhibitor
TargetPD-1
ModalitySmall molecule
Therapeutic areaOncology
PhasePhase 3

Mechanism of action

By binding to PD-1, AD-221B prevents the interaction between PD-1 and its ligands, leading to the activation of T cells and enhanced anti-tumor immune response.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results