Avidity Biosciences Announces Completion of Enrollment in Biomarker Cohort for Phase 1/2 Fortitude Trial of Delpacibart (Braxlosiran-del) for Facioscapulohumeral Muscular Dystrophy

Avidity Biosciences Announces Completion of Enrollment in FORTITUDE Biomarker Cohort for Del-brax in Facioscapulohumeral Muscular Dystrophy

Avidity Biosciences, a pioneering biopharmaceutical company specializing in Antibody Oligonucleotide Conjugates (AOCs™), recently announced an important milestone in their Phase 1/2 FORTITUDE™ clinical trial for delpacibart braxlosiran (del-brax) in people affected by facioscapulohumeral muscular dystrophy (FSHD).

Completion of Biomarker Cohort Enrollment

The FORTITUDE biomarker cohort, which aimed to enroll 51 participants, has now successfully completed its enrollment process. This cohort is a crucial part of the overall clinical trial, designed to evaluate the biomarker response to del-brax treatment in individuals with FSHD.

Regulatory Updates and Anticipated Timelines

Avidity Biosciences is planning to share a regulatory update on the FORTITUDE trial in Q2 2025. This update is expected to cover global Phase 3 trial design alignment and study initiation, which are also anticipated to occur in Q2 2025.

Presenting Topline Data from Dose Escalation Cohorts

The company is on track to present the topline data from the dose escalation cohorts of the FORTITUDE trial in Q2 2025.

First Approved Drug for FSHD

Del-brax has the potential to be the first globally approved drug for FSHD, making this clinical trial a significant development in the field of muscular dystrophies.

Impact on Individuals with FSHD

For individuals living with FSHD, the completion of the biomarker cohort enrollment is a promising step towards the development of a potential treatment. Del-brax, as an investigational AOC therapy, could bring hope to those affected by this debilitating condition.

  • Del-brax has the potential to be the first approved drug for FSHD
  • Individuals with FSHD may benefit from this potential treatment
  • The completion of the biomarker cohort enrollment is a significant milestone

Impact on the World

The successful completion of the FORTITUDE biomarker cohort enrollment is not only important for individuals with FSHD but also for the global muscular dystrophy community and the broader biopharmaceutical industry.

  • Represents a potential breakthrough in the field of muscular dystrophies
  • Advances the understanding of RNA therapeutics and their application in treating genetic disorders
  • Positively impacts the lives of millions affected by FSHD and other muscular dystrophies

Conclusion

The completion of enrollment in the FORTITUDE biomarker cohort for Avidity Biosciences’ del-brax marks an essential milestone in the development of a potential first-in-class treatment for facioscapulohumeral muscular dystrophy. With regulatory updates, global Phase 3 trial design alignment, and study initiation anticipated in Q2 2025, and topline data from dose escalation cohorts to be presented in the same quarter, the future looks promising for those affected by FSHD and the broader muscular dystrophy community. This development not only represents a potential breakthrough in the field of muscular dystrophies but also advances the understanding of RNA therapeutics and their application in treating genetic disorders.

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