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SRP-4045

Sarepta Therapeutics, Inc. · Phase 3 active Small molecule

SRP-4045 is a micro-dystrophin gene therapy that aims to treat Duchenne muscular dystrophy by providing a functional copy of the dystrophin gene.

SRP-4045 is a micro-dystrophin gene therapy that aims to treat Duchenne muscular dystrophy by providing a functional copy of the dystrophin gene. Used for Duchenne muscular dystrophy.

At a glance

Generic nameSRP-4045
Also known asCasimersen, AMONDYS 45
SponsorSarepta Therapeutics, Inc.
Drug classGene therapy
TargetDystrophin gene
ModalitySmall molecule
Therapeutic areaMuscular dystrophy
PhasePhase 3

Mechanism of action

SRP-4045 uses a viral vector to deliver a micro-dystrophin gene to muscle cells, allowing them to produce a truncated but functional form of the dystrophin protein. This can help to alleviate the symptoms of Duchenne muscular dystrophy by reducing muscle damage and improving muscle function.

Approved indications

Common side effects

Key clinical trials

Primary sources

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SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results