Catabasis Pharmaceuticals & Sarepta Therapeutics Announce a Joint Research Collaboration in Duchenne

PPMD is thrilled to learn of the collaboration of Catabasis and Sarepta Therapeutics, two partners deeply committed to this community. This joint research collaboration will explore the potential combination therapy approach of NF-kB inhibition (edaslonexent, CAT-1004) and exon-skipping in Duchenne. We know that it will take a combination of therapeutic approaches to end Duchenne and we are excited by the promise of this partnership!  

Read the Announcement from Catabasis & Sarepta:

Catabasis Pharmaceuticals and Sarepta Therapeutics Announce a Joint Research Collaboration in Duchenne Muscular Dystrophy

CAMBRIDGE, Mass.--(BUSINESS WIRE)--Catabasis Pharmaceuticals, Inc. (NASDAQ:CATB), a clinical-stage biopharmaceutical company (“Catabasis”), and Sarepta Therapeutics, Inc. (NASDAQ:SRPT), a commercial-stage developer of innovative RNA-targeted therapeutics (“Sarepta”), today announced a joint research collaboration to explore a combination drug treatment approach for Duchenne muscular dystrophy (DMD). The two companies will contribute their respective expertise to study an exon skipping treatment developed by Sarepta, together with an oral NF-kB inhibition treatment developed by Catabasis in a mouse model of DMD.


“We are excited to work with Sarepta on this joint research collaboration, which to our knowledge is the first time two companies are testing a combination of investigational therapies to treat Duchenne. Although we believe edasalonexent (CAT-1004) has the potential to be a disease-modifying monotherapy, we think there is benefit to exploring innovative ways to make the most meaningful difference in this devastating disease”, said Jill C. Milne, Ph.D., chief executive officer of Catabasis. “In addition to our continued development of edasalonexent, we are pleased to take the first step via this collaboration to determine if edasalonexent may be complementary to an exon-skipping treatment strategy in the treatment of DMD using a preclinical model.”

“We recognize the extreme unmet medical need in DMD and are committed to determining the best treatment strategies for patients affected by Duchenne,” said Edward Kaye, M.D., Sarepta’s chief executive officer. “We believe exon skipping has the potential to target the underlying genetic cause of the disease by restoring the mRNA reading frame to produce dystrophin in skeletal muscle. We are pleased to initiate activities with Catabasis to evaluate a potential combination treatment approach of exon-skipping and NF-kB inhibition in DMD.”

NF-kB inhibition and exon-skipping represent two novel investigational treatment strategies in Duchenne, each with the potential for disease-modifying effects when used as monotherapy. The objective of the joint research is to study the safety and efficacy of combining these two treatment strategies using a mouse model of DMD, including evaluating the potential for additional or synergistic benefits.

About Catabasis
At Catabasis Pharmaceuticals, our mission is to bring hope and life-changing therapies to patients and their families. Our SMART (Safely Metabolized And Rationally Targeted) linker drug discovery platform enables us to engineer molecules that simultaneously modulate multiple targets in a disease. We are applying our SMART linker platform to build an internal pipeline of product candidates for rare diseases and plan to pursue partnerships to develop additional product candidates. For more information on the Company's drug discovery platform and pipeline of drug candidates, please visit www.catabasis.com.

About Edasalonexent (CAT-1004)
Edasalonexent (CAT-1004) is an oral small molecule that has the potential to be a disease-modifying therapy for all patients affected by Duchenne muscular dystrophy (DMD or Duchenne), regardless of the underlying mutation. Edasalonexent inhibits NF-kB, a protein that is activated in Duchenne and drives inflammation and fibrosis, muscle degeneration and suppresses muscle regeneration. In animal models of DMD, edasalonexent inhibited NF-kB, reduced muscle degeneration and improved muscle regeneration and function, and beneficial effects were observed in skeletal, diaphragm and cardiac muscle. The FDA has granted orphan drug, fast track and rare pediatric disease designations and the European Commission has granted orphan medicinal product designation to edasalonexent for the treatment of DMD. We have previously reported safety, tolerability and reduction in NF-kB activity in Phase 1 trials in adults. We are currently conducting the MoveDMD® trial of edasalonexent in 4-7 year-old boys affected by Duchenne. From Part A of the MoveDMD trial, we have reported that edasalonexent was generally well tolerated with no safety signals observed and we observed successful NF-kB target engagement. Pharmacokinetic results demonstrated edasalonexent plasma exposure levels consistent with those previously observed in adults at which inhibition of NF-kB was observed.

About Sarepta Therapeutics
Sarepta Therapeutics is a commercial-stage biopharmaceutical company focused on the discovery and development of unique RNA-targeted therapeutics for the treatment of rare neuromuscular diseases. The Company is primarily focused on rapidly advancing the development of its potentially disease-modifying DMD drug candidates, including EXONDYS 51, designed to skip exon 51 and approved under the accelerated approval pathway. For more information, please visit us at www.sarepta.com.

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