Drug intelligence / Profile preview

DCLL9718S + azacitidine

Development stage
Unknown
Lead developer
Genentech
Modality
Small Molecules, Cytotoxic ADCs → Antibody-Drug Conjugates (ADCs) → Antibody Conjugates → Antibody-Based Therapeutics, Monoclonal Antibodies → Antibody-Based Therapeutics
Administration
Intravenous
01

Overview

DCLL9718S + azacitidine is an investigational combination therapy being studied for the treatment of acute myeloid leukemia (AML). DCLL9718S is a THIOMAB antibody-drug conjugate (ADC) that combines a humanized monoclonal IgG1 anti-CLL1 antibody (MCLL0517A) linked to two pyrrolobenzodiazepine (PBD) dimer drugs via a cleavable disulfide linker. The antibody binds to C-type lectin-like molecule 1 (CLL1) on target cells, leading to internalization, lysosomal degradation, and release of the cytotoxic PBD dimer, which causes DNA cross-linking and cell death. Azacitidine is a hypomethylating agent that inhibits DNA methyltransferase, promoting DNA hypomethylation and cell differentiation or apoptosis. The combination is studied primarily in patients with previously untreated AML who are unsuitable for intensive induction chemotherapy. Clinical development has focused on safety, tolerability, and preliminary efficacy, with trials indicating limited tolerability and no objective responses for DCLL9718S as monotherapy.

Other names
DCLL-9718S + azacitidine
02

Targets

DNADNMT (DNA methyltransferase)CLEC12A

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