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A Study of Vatiquinone for the Treatment of Participants With Friedreich Ataxia

An Open-Label Study to Evaluate Pharmacokinetics, Safety, and Efficacy of Vatiquinone in Children With Friedreich Ataxia Younger Than 7 Years of Age

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05485987
Enrollment
5
Registered
2022-08-03
Start date
2022-10-12
Completion date
2024-08-29
Last updated
2025-08-22

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Friedreich Ataxia

Brief summary

The primary objective of the study is to assess the pharmacokinetics (PK) and safety of vatiquinone administered in participants with Friedreich ataxia (FA) younger than 7 years.

Interventions

Vatiquinone will be administered per dose and schedule specified in the arm.

Sponsors

PTC Therapeutics
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
No minimum to 6 Years
Healthy volunteers
No

Inclusion criteria

* Friedreich ataxia diagnosis (homozygous for GAA repeat expansion in intron-1 of FXN gene), confirmed by clinical genetic testing. * Must be able to abstain from anticoagulants and any aspirin (including 81 mg) for 30 days before the Baseline Visit and for the duration of the study; any possible discontinuation of anticoagulants should be monitored and indicated by a specialist (for example, cardiologist, neurologist, or hematologist), and discontinuation will be noted by the prescribing physician. * Must be able to abstain from strong cytochrome P450 (CYP) 3A4 inducers/inhibitors (for example, ketoconazole, rifampin, St. John's wort, grapefruit juice, or any grapefruit product) for at least 30 days prior to enrollment and for the duration of the study. * Must be able to take vatiquinone oral solution with food.

Exclusion criteria

* Previous treatment with vatiquinone. * Allergy to vatiquinone or sesame oil. * Ejection fraction \<50%. * Participation in any other interventional clinical trial or receipt of any study drug in any other clinical trial within 60 days prior to the Baseline Visit. Participants may be rescreened after the exclusionary period of 60 days has passed. * Concomitant use of interventional CoQ10, vitamin E, or any approved or non-approved medication for FA within 30 days prior to the Baseline Visit. These prohibited medications can be discontinued at the Screening Visit. Note: Other inclusion and

Design outcomes

Primary

MeasureTime frame
Plasma Concentration of VatiquinonePre-morning dose (0 hour) at Week 4; 1 to 3 hours and 3 to 6 hours post-morning dose at Weeks 4, 12, and 24
Area Under the Curve (AUC) of VatiquinonePre-morning dose (0 hour) at Week 4; 1 to 3 hours and 3 to 6 hours post-morning dose at Weeks 4, 12, and 24
Number of Participants With Adverse EventsBaseline up to Week 76

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026