Avidity Biosciences Announces Positive Topline Phase 1/2 FORTITUDE\u2122 Data Demonstrating Consistent Improvement Across Multip

  • -- Unprecedented data from FORTITUDE\u2122 dose escalation cohorts for del-brax treated participants, compared to placebo, demonstrate improvement in function, strength and PROs as well as rapid and significant reduction in biomarkers -- -- Data support planned accelerated approval BLA submission in H2 2026 -- -- Data being presented at the 32nd Annual FSHD Society International Research Congress (IRC); Investor and analyst webcast event today, Monday, June 9 at 8:00 a.m. ET -- SAN DIEGO , June 9, 2025 /PRNewswire/ -- Avidity Biosciences, Inc. (Nasdaq: RNA), a biopharmaceutical company committed to delivering a new class of RNA therapeutics called Antibody Oligonucleotide Conjugates (AOCs\u2122) to profoundly improve people's lives, today announced positive topline data from the dose escalation cohorts of the delpacibart braxlosiran (del-brax) Phase 1/2 FORTITUDE\u2122 program in Facioscapulohumeral Muscular Dystrophy (FSHD).