Drug intelligence / Profile preview

acapatamab

Development stage
Discontinued
Lead developer
Amgen
Modality
Bispecific Antibodies → Multispecific Antibodies → Engineered Antibody Formats → Antibody-Based Therapeutics
Administration
Intravenous
01

Overview

Acapatamab is a half-life extended bispecific T cell engager (BiTE) antibody targeting both prostate-specific membrane antigen (PSMA) and CD3. Upon administration, it binds to CD3 on cytotoxic T lymphocytes and PSMA on tumor cells, activating and redirecting T cells to kill PSMA-expressing tumor cells through cytotoxic mechanisms. Acapatamab was developed primarily for the treatment of metastatic castration-resistant prostate cancer (mCRPC), particularly in patients refractory to androgen receptor pathway inhibitors and taxane-based chemotherapy. The drug demonstrated pharmacodynamic activity by inducing rapid T-cell activation and cytokine production, with a manageable safety profile but limited durable antitumor efficacy in clinical trials[1][4][6].

Other names
AMG 160AMG160AMG-160
02

Targets

CD3 (T-cell surface glycoprotein CD3)

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