A Randomized, Double-blind, Placebo-controlled, Phase 1/2 Study to Evaluate the Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Exploratory Efficacy of AOC 1020 Administered Intravenously to Participants with Facioscapulohumeral Muscular Dystrophy (FSHD)
AOC 1020-CS1 is a first-in-human, 3-part, multi-center, Phase 1/2, randomized, double-blind, placebo-controlled study designed to evaluate safety, tolerability, pharmacokinetics and to explore pharmacodynamics and efficacy of single and multiple-doses of AOC 1020 administered intravenously in participants with FSHD Type 1 (FSHD1) and FSHD Type 2 (FSHD2). Cohort A comprises a placebo-controlled dose titration cohort (Cohort A1) which includes a nested single and multiple dose schedule. Cohort B comprises a placebo-controlled, nested single ascending dose (SAD)/multiple ascending dose (MAD) cohort (Cohort B1). Cohort C comprises a randomized, placebo-controlled, expansion cohort (Cohort C1). For each of Cohorts A, B, and C the study duration is 12 months as the active treatment period is approximately 9 months for Cohorts A \& B and approximately 10 months for Cohort C followed by a 12-week follow-up period for Cohorts A \& B and a 7-week follow-up period for Cohort C. Once participants have completed active treatment with follow-up through 12 months, they may have the option to participate in a planned open-label extension. If patients do not enroll in the open-label extension, they will be followed for 12-weeks after their last dose of study medication.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
QUADRUPLE
Enrollment
90
University of California Los Angeles
Los Angeles, California, United States
Stanford University
Palo Alto, California, United States
University of California San Diego
San Diego, California, United States
University of Colorado
Denver, Colorado, United States
University of Florida
Gainesville, Florida, United States
Rare Disease Research
Atlanta, Georgia, United States
Kansas University Medical Center
Kansas City, Kansas, United States
University of Rochester Medical Center
Rochester, New York, United States
Duke University
Durham, North Carolina, United States
Ohio State University
Columbus, Ohio, United States
...and 7 more locations
Incidence of treatment-emergent adverse events (Cohorts A & B)
Time frame: Through study completion, up to Day 365
Change in DUX4-regulated gene expression in muscle biopsies (Cohort C)
Time frame: Day 120
Change in a circulating biomarker of FSHD disease biology (Cohort C)
Time frame: Day 120
Plasma pharmacokinetic (PK) parameters of AOC 1020 (Cohorts A & B)
Observed maximum concentration
Time frame: Through study completion; up to Day 365
Plasma pharmacokinetic (PK) parameters of AOC 1020 (Cohorts A & B)
Observed half-life
Time frame: Through study completion; up to Day 365
Plasma pharmacokinetic (PK) parameters of AOC 1020 (Cohorts A & B)
Observed area under the curve
Time frame: Through study completion; up to Day 365
Muscle drug concentration (Cohorts A, B & C)
Concentration of siRNA component in skeletal muscle
Time frame: Day 120
Change in DUX4-regulated gene expression in muscle biopsies (Cohort C)
Time frame: Day 120
% Change in circulating creatine kinase (Cohort C)
Time frame: Through study completion; up to Day 365
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