Arrowhead Pharmaceuticals Files for Regulatory Clearance to Initiate a Phase 1/2 Study of ARO-DUX4 for Facioscapulohumeral Muscular Dystrophy
- ARO-DUX4 has the potential to be a new medicine for patients with FSHD.
- The Phase 1/2 clinical trial will evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of ARO-DUX4 in adult patients with FSHD type 1.
- Pending clearance, the trial will enroll up to 52 subjects.
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- None.
“FSHD is a debilitating disease caused by the aberrant expression of the DUX4 gene in skeletal muscle. ARO-DUX4 engages the RNA interference pathway to selectively inhibit DUX4 expression and is a promising strategy to reverse the downstream myotoxicity of DUX4 and potentially enable stabilization or improvement in muscle function in patients. We believe ARO-DUX4 has the potential to be an impactful new medicine for patients,” said Chris Anzalone, Ph.D., president and CEO of Arrowhead. “As previously communicated, we are in discussions with external parties regarding the most appropriate path for the clinical development and commercialization of ARO-DUX4 with the goal of bringing this promising product candidate to patients in need as expeditiously as possible.”
An application for approval of the clinical trial was submitted to the New Zealand Medicines and Medical Devices Safety Authority for review by the Standing Committee on Therapeutic Trials. Pending clearance, Arrowhead intends to proceed with ARODUX4-1001, a Phase 1/2a dose-escalating study to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of ARO-DUX4 in adult patients with FSHD type 1. The study is designed to enroll up to 52 subjects.
About Facioscapulohumeral Muscular Dystrophy
Facioscapulohumeral muscular dystrophy (FSHD) is a debilitating, muscle-wasting disease characterized by progressive asymmetrical weakness and fatty infiltration of skeletal muscles in the face, shoulders, upper arms, abdomen, or lower leg and is the third most common form of muscular dystrophy. There is currently no approved therapy for FSHD.
About ARO-DUX4
ARO-DUX4 is an investigational RNAi therapeutic designed to reduce expression of the gene that encodes the human double homeobox 4 (DUX4) protein as a potential treatment for FSHD. FSHD is an autosomal dominant disease associated with the failure to maintain complete epigenetic suppression of DUX4 expression in differentiated skeletal muscle, leading to overexpression of DUX4, which is myotoxic and can lead to muscle degeneration. Expression of downstream DUX4 associated genes over time leads to muscle fatty infiltration and progressive muscle weakness. As DUX4 overexpression is the cause of muscle pathology in FSHD patients, it is expected that the selective knockdown of DUX4 messenger RNA transcripts using RNA interference will inhibit DUX4 translation, thereby preventing or reversing downstream myotoxicity and allowing muscle repair and partial or complete return of normal muscle function in patients.
About Arrowhead Pharmaceuticals
Arrowhead Pharmaceuticals develops medicines that treat intractable diseases by silencing the genes that cause them. Using a broad portfolio of RNA chemistries and efficient modes of delivery, Arrowhead therapies trigger the RNA interference mechanism to induce rapid, deep, and durable knockdown of target genes. RNA interference, or RNAi, is a mechanism present in living cells that inhibits the expression of a specific gene, thereby affecting the production of a specific protein. Arrowhead’s RNAi-based therapeutics leverage this natural pathway of gene silencing.
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Source: Arrowhead Pharmaceuticals, Inc.
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Arrowhead Pharmaceuticals, Inc.
Vince Anzalone, CFA
626-304-3400
ir@arrowheadpharma.com
Investors:
LifeSci Advisors, LLC
Brian Ritchie
212-915-2578
britchie@lifesciadvisors.com
www.lifesciadvisors.com
Media:
LifeSci Communications, LLC
Jason Braco, Ph.D.
646-751-4361
jbraco@lifescicomms.com
www.lifescicommunications.com
Source: Arrowhead Pharmaceuticals, Inc.
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