Drug class

Antineoplastic-TROP2 Directed Antibody-Topoisomerase I Inhib

Antineoplastic TROP2-directed antibody-topoisomerase I inhibitor conjugates are a specialized class of antibody-drug conjugates (ADCs) designed for targeted cancer therapy. Read more about Antineoplastic-TROP2 Directed Antibody-Topoisomerase I Inhib

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About Antineoplastic-TROP2 Directed Antibody-Topoisomerase I Inhib.

Antineoplastic TROP2-directed antibody-topoisomerase I inhibitor conjugates are a specialized class of antibody-drug conjugates (ADCs) designed for targeted cancer therapy.

These agents link a monoclonal antibody targeting trophoblast cell surface antigen 2 (TROP2)—a transmembrane glycoprotein widely overexpressed on various epithelial tumors—to a potent topoisomerase I inhibitor cytotoxic payload (such as SN-38 or deruxtecan derivatives).

Upon binding to TROP2 and undergoing receptor-mediated internalization, the conjugate releases the payload to induce DNA strand breaks, arrest replication, and trigger apoptosis in malignant cells.

Clinically, this drug class, exemplified by agents like sacituzumab govitecan, is primarily utilized in solid tumors, most notably advanced or metastatic triple-negative breast cancer, hormone receptor-positive/HER2-negative breast cancer, and locally advanced or metastatic urothelial carcinoma.