A Study to Find Out How BIIB141 (Omaveloxolone) is Processed in the Body and to Learn More About Its Safety in Participants With Friedreich's Ataxia Aged 2 to 15 Years Old
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Phase
Phase 1
Status
Active, not recruiting
Study type
Interventional
Design
Non randomized · None · Treatment
Enrollment
33actual
Sites
1
Country
United States
Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →
Source: ClinicalTrials.gov, retrieved 2026-08-19
Dates
each axis at the precision it was filed, with the registry's own basis| Date | Filed | Basis | What it is |
|---|---|---|---|
| Start | 2024-07-01 | actual | When the study began enrolling |
| Primary completion | 2025-09-30 | actual | The date the last participant is measured for the primary outcome — the readout window |
| Study completion | 2030-11-22 | estimated | The whole study's end, after follow-up |
| First posted | 2023-09-26 | actual | When this record first appeared on the registry |
| Results posted | — | When the sponsor posted results to the registry | |
| Record updated | 2026-05-11 | actual | The sponsor's own last edit to this record — every projection above is as current as this date |
What it studies
Condition
- Friedreich Ataxia
Intervention
- Drug: Omaveloxolone — also filed as RTA 408, SKYCLARYS, BIIB141
Primary outcomes
what the primary-completion date above is the date OFPart 1: Apparent Clearance (CL/F) of Omaveloxolone
measured Predose (0 hour), after dose 1 hour, 2 hours, 3 hours, 4 hours, 24 hours, and 96 hours
Part 1: Maximum Concentration (Cmax) of Omaveloxolone
measured Predose (0 hour), after dose 1 hour, 2 hours, 3 hours, 4 hours, 24 hours, and 96 hours
Part 1: Volume of Distribution (V/F) of Omaveloxolone
measured Predose (0 hour), after dose 1 hour, 2 hours, 3 hours, 4 hours, 24 hours, and 96 hours
Part 1: Area Under the Plasma Concentration-Time Curve From 0 Extrapolated to Infinity (AUC0-∞) of Omaveloxolone
measured Predose (0 hour), after dose 1 hour, 2 hours, 3 hours, 4 hours, 24 hours, and 96 hours
Part 1: Area Under the Plasma Concentration-Time Curve From 0 to tlast (AUC0-tlast) of Omaveloxolone
measured Predose (0 hour), after dose 1 hour, 2 hours, 3 hours, 4 hours, 24 hours, and 96 hours
Part 1: Area Under the Plasma Concentration-Time Curve From 0 to 24 Hours (AUC0-24) of Omaveloxolone
measured Predose (0 hour), after dose 1 hour, 2 hours, 3 hours, 4 hours, 24 hours, and 96 hours
Part 1: Individual Steady-State AUC0-24 (AUC0-24,ss) of Omaveloxolone
measured Predose (0 hour), after dose 1 hour, 2 hours, 3 hours, 4 hours, 24 hours, and 96 hours
Part 1: Individual Steady-State Cmax (Cmax,ss) of Omaveloxolone
measured Predose (0 hour), after dose 1 hour, 2 hours, 3 hours, 4 hours, 24 hours, and 96 hours
Part 1: Concentration at the end of a 24-Hour Dosing Interval (Ctrough,ss) of Omaveloxolone
measured Predose (0 hour), after dose 1 hour, 2 hours, 3 hours, 4 hours, 24 hours, and 96 hours
Part 2: Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)
measured From Day 1 up to the end of study (up to Week 240)
Part 2: Number of Participants With Clinically Significant Abnormality in Clinical Laboratory Assessments
measured From Day 1 up to Week 240
Part 2: Number of Participants With Clinically Significant Abnormality in Vital Signs
measured From Day 1 up to Week 240
Part 2: Number of Participants With Clinically Significant Abnormality in Electrocardiograms (ECGs)
measured From Day 1 up to Week 240
Part 2: Number of Participants With Change from Baseline in Echocardiogram (ECHO)
measured From Day 1 up to Week 240
Part 2: Number of Participants With Change from Baseline in Height
measured From Day 1 up to Week 240
Part 2: Number of Participants With Change from Baseline in Weight
measured From Day 1 up to Week 240
Part 2: Number of Participants With Change from Baseline Body Mass Index (BMI)
measured From Day 1 up to Week 240
Part 2: Number of Participants With Change from Baseline in Tanner Assessment
measured From Day 1 up to Week 240
Part 2: Number of Participants With Change from Baseline in Paediatric Growth (Height)
measured From Day 1 up to Week 240
Part 2: Number of Participants With Change from Baseline in Paediatric Growth (Weight)
measured From Day 1 up to Week 240
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