Drug intelligence / Profile preview

izalontamab brengitecan + PD-1 monoclonal antibody

Development stage
Preclinical
Lead developer
SystImmune
Modality
Cytotoxic ADCs → Antibody-Drug Conjugates (ADCs) → Antibody Conjugates → Antibody-Based Therapeutics, Monoclonal Antibodies → Antibody-Based Therapeutics
Administration
Intravenous
01

Overview

Izalontamab brengitecan + PD-1 monoclonal antibody is an experimental combination therapy intended for cancer treatment, typically in solid tumors such as non-small cell lung cancer. Izalontamab brengitecan (also known as iza-bren, BL-B01D1) is an antibody-drug conjugate composed of an EGFR × HER3 bispecific antibody conjugated to a novel topoisomerase I inhibitor payload via a cleavable linker[1][3][5]. PD-1 monoclonal antibodies are immune checkpoint inhibitors that block the PD-1 receptor on T cells, thereby enhancing anti-tumor immune responses[2][4]. This combination aims to synergistically inhibit tumor cell proliferation through both direct cytotoxicity and immune-mediated mechanisms. The combination is under clinical evaluation for advanced cancers, especially in the setting of EGFR-mutant non-small cell lung cancer.

Brand names
iza-bren
Other names
iza-bren + PD-1 monoclonal antibody
02

Targets

EGFR T790M (Epidermal growth factor receptor T790M mutant)PDCD1 (Programmed cell death protein 1 receptor)TOP1 (DNA Topoisomerase I)ERBB3 (Erb-b2 receptor tyrosine kinase 3)

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