Drug Profile

YB 821

Alternative Names: YB-800BS2; YB-821

Latest Information Update: 22 Dec 2025

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At a glance

Originator Ymmunobio
Class Antineoplastics; Bispecific antibodies; Immunoglobulin fragments; Immunotherapies; Recombinant fusion proteins
Mechanism of Action Antibody-dependent cell cytotoxicity; T lymphocyte stimulants

Orphan Drug Status

Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

No
New Molecular Entity Yes

01 Dec 2025 Preclinical trials in Solid tumours in Switzerland (Parenteral) (Ymmunobio pipeline, December 2025)
15 Oct 2024 Early research in Solid tumours in Switzerland (Parenteral) (Ymmunobio pipeline, October 2024)

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