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Phase 2 N=16 Randomized Treatment

FRDA Investigator Initiated Study (IIS) With Elamipretide

Friedreich Ataxia

Enrolled (actual)
16
Serious AEs
25.0%
Results posted
Dec 2025
Primary outcome: Primary: Change in High Contrast Visual Acuity — 5.5; 0 Number of Letters Read on a Vision Board

Study Design & Population

Study type
Interventional
Phase
Phase 2
Interventions
Elamipretide (Drug)
Age
Pediatric, Adult, Older Adult · 16+ yrs
Sex
All
Sponsor
Children's Hospital of Philadelphia
Primary completion
Jun 2024

Outcome Measures

OutcomeResultp-value
PRIMARY
Change in High Contrast Visual Acuity
5.5; 0
SECONDARY
Change in Low Contrast Visual Acuity
0; 0
SECONDARY
Change in Low Luminescence Visual Activity
0.5; 0
SECONDARY
Change in Retinal Nerve Fiber Layer by Optical Coherence Tomography (OCT)
SECONDARY
Change in Visual Quality of Life by Visual Functioning Questionnaire (VFQ)
-2.42; 2.08
SECONDARY
Change in Cardiac Strain
SECONDARY
Change in Cardiac Fibrosis
SECONDARY
Change Cardiac Stroke Volume
0.12; -0.02

Summary

To evaluate the safety, tolerability, and activity of Elamipretide in treating vision loss in Friedreich Ataxia (FRDA).

Eligibility Criteria

Inclusion Criteria

  • Genetically confirmed FRDA (point mutations allowed).
  • Age >16 years.
  • Disease onset before 18 years of age.
  • If female, the subject is not pregnant or lactating or intending to become pregnant before, during, or within 30 days after the last dose of study drug. Female subjects of child-bearing potential must have a negative serum pregnancy test result at Screening, a negative urine pregnancy test result at Baseline.
  • All subjects must agree to use a reliable method of contraception throughout the study and for 30 days after the last dose of study drug. Male subjects should not father a baby during the study or for at least 30 days after the last dose of study drug.
  • All concomitant medications (including over-the-counter medications), vitamins, and supplements must be at stable doses for 30 days prior to study entry and kept stable throughout the study to the best of their ability.
  • Visual acuity (VA) worse than 20/40 (binocular) on the basis of FRDA. Must not be correctable by refraction, or subjects must have sufficient physical exam findings of optic neuropathy (funduscopic, visual fields, or retinal ganglion cell loss) to justify the primary diagnosis of FRDA related optic neuropathy

Or

  • Ejection Fraction (EF) less than 50% at last evaluation (within 1 year before screening), with a history consistent with cardiomyopathy from FRDA, and VA 20/25- 20/40.

Exclusion Criteria

  • Any unstable illness that in the investigator's opinion precludes participation in the study.
  • Use of any investigational product within 30 days prior to Screening.
  • A history of substance abuse.
  • Diagnosis of active HIV or Hepatitis B or C infection.
  • Presence of severe renal disease (eGFR 2x the upper limit of normal] as evidenced by laboratory results at Screening.
  • Clinically significant abnormal white blood cell count (ANC 500 K) as evidenced by laboratory test results at Screening.
  • Any other active cause of optic neuropathy (Vitamin B12 deficiency, Vitamin E deficiency, etc.) or cardiac disease
  • EF less than 35% at last echocardiographic evaluation
  • Uncontrolled arrhythmia
  • Current use of any systemic chronic immunosuppressive drugs
  • Current use of Metformin
View full record on ClinicalTrials.gov →

Data sourced from ClinicalTrials.gov (NCT05168774). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication.

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