Talquetamab (JNJ-64407564)

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Mechanism of action

From the NCI Drug Dictionary: A bispecific humanized monoclonal antibody against human CD3, a T-cell surface antigen, and human G-protein coupled receptor family C group 5 member D (GPRC5D), a tumor-associated antigen (TAA), with potential antineoplastic activity. Upon administration, talquetamab binds to both CD3 on T cells and GPRC5D expressed on certain tumor cells. This results in the cross-linking of T-cells and tumor cells, and induces a potent cytotoxic T-lymphocyte (CTL) response against GPRC5D-expressing tumor cells.

Preliminary data

Multiple myeloma

  1. MonumenTAL-1: Chari A, Minnema MC, Berdeja JG, Oriol A, van de Donk NWCJ, Rodríguez-Otero P, Askari E, Mateos MV, Costa LJ, Caers J, Verona R, Girgis S, Yang S, Goldsmith RB, Yao X, Pillarisetti K, Hilder BW, Russell J, Goldberg JD, Krishnan A. Talquetamab, a T-Cell-Redirecting GPRC5D Bispecific Antibody for Multiple Myeloma. N Engl J Med. 2022 Dec 15;387(24):2232-2244. Epub 2022 Dec 10. link to original article PubMed NCT03399799

Also known as

  • Code names: JNJ-64407564