Drug intelligence / Profile preview

delpacibart etedesiran

Development stage
Phase 3
Lead developer
Avidity Biosciences
Modality
Chemically Modified siRNA → Small Interfering RNA (siRNA) → Small RNA Therapeutics → RNA Therapeutics → Nucleic Acid Therapeutics, Conjugated siRNA → Small Interfering RNA (siRNA) → Small RNA Therapeutics → RNA Therapeutics → Nucleic Acid Therapeutics, Monoclonal Antibodies → Antibody-Based Therapeutics, Antibody Conjugates → Antibody-Based Therapeutics
Administration
Intravenous
01

Overview

**Delpacibart etedesiran** is an investigational antibody oligonucleotide conjugate developed by Avidity Biosciences and now controlled by Novartis for the treatment of myotonic dystrophy type 1. Also known as del-desiran and formerly AOC 1001, it combines a humanized monoclonal antibody targeting transferrin receptor 1 with a small interfering RNA directed against toxic DMPK messenger RNA. Transferrin receptor 1-mediated uptake is intended to deliver the siRNA into skeletal, cardiac, and smooth muscle, where RNA interference reduces DMPK mRNA and may alleviate downstream RNA missplicing associated with disease pathology. Delpacibart etedesiran is administered by intravenous infusion and remains in Phase 3 development in the HARBOR trial. ([aviditybiosciences.com](https://www.aviditybiosciences.com/pipeline/dm1))

Other names
del-desiran
02

Targets

TFRC (Transferrin Receptor)CUG repeat RNA (Dystrophia myotonica protein kinase messenger RNA with expanded CUG repeats)

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