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Mestag Therapeutics

Saffron Walden, England, United Kingdommestagtherapeutics.com ↗
Ownership
Private
Employees
~50
Development stage
Other
01

Overview

Mestag Therapeutics develops first-in-class antibody therapies targeting activated fibroblasts to modulate immune responses in cancer and inflammatory diseases. Its lead program MST‑0300, a bispecific LTBR agonist antibody, aims to enhance anti-tumor immunity by promoting tertiary lymphoid structure formation in solid tumors. Another key program, M402, targets stromal checkpoints to suppress pathological immune activation in inflammatory conditions like RA and IBD. The company also uses its proprietary RAFT platform for novel target discovery and has established major pharma collaborations with MSD/Merck & Co., Janssen/J&J, and VIB. As of early/mid‑2024 the pipeline remains preclinical but advancing toward clinical entry.

Therapeutic areas
OncologyImmunology
Modalities
Monoclonal antibodies (mAbs)Bispecific antibodiesSingle domain antibodies / Nanobodies®
Industry
Biotech
02

Drug pipeline

3 assets

MST-0312

1

2 more assets in the full pipeline.

03

Partnerships

Janssen Biotech Inc./Johnson & Johnson Innovation – JJDC Inc.: Target discovery/collaboration/licensing agreement for novel inflammatory disease targets [3][5].MSD/Merck & Co., Inc.: License/research collaboration using the RAFT platform for new drug targets; deal value up to $1.9B [8][9].VIB Research Institute Belgium: Exclusive rights/license for a panel of nanobodies against an undisclosed oncology target [5].

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