- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01965327
Interferon Gamma-1b in Friedreich Ataxia (FRDA)
Open-label Pilot Study of Interferon Gamma-1b (Actimmune™) for the Treatment of Friedreich Ataxia (FRDA)
Study Overview
Detailed Description
Study Objectives:
Primary:
• To assess the effect of Interferon Gamma-1b (IFN-g) on increasing frataxin expression and protein in children with FRDA.
Secondary:
- To assess the effect of IFN-g on neurological outcomes (FARS, performance measures, and hearing) in subjects with FRDA.
- To assess the effectiveness of IFN-g on quality of life in subjects with FRDA.
- To assess the safety and tolerability of IFN-g at the currently approved dose in the FRDA population.
Study Phases:
Screening - During screening, subjects will be assessed for inclusion and exclusion criteria.
Intervention - Subjects will begin treatment at baseline visit and the dose of study medication will be increased to the maximum dose over four weeks. The subjects will be maintained at the maximum dose for 8 weeks. After 12 weeks, treatment will stop. Study medication will be administered via subcutaneous injections three times per week for 12 weeks.
Follow-up - Follow-up visits will occur at 7 and 28 days after the subject has completed the 12 weeks of active treatment.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Pennsylvania
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Philadelphia, Pennsylvania, United States, 19104
- Children's Hospital of Philadelphia
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Subjects with FRDA confirmed by genetic testing with 2 expanded Guanine-adenine-adenine repeats
- Females who are not pregnant or breast feeding, and who do not intend to become pregnant. Females of child-bearing potential must use a reliable method of contraception and must provide a negative urine pregnancy test at screening
- Stable doses of all medications, vitamins and supplements for 30 days prior to study entry and for the duration of the study
- Parent/guardian permission (informed consent) and child assent
Exclusion Criteria:
- Any unstable illness that in the investigator's opinion precludes participation in this study
- Use of any investigational product within 30 days prior to enrollment
- Subjects with a history of substance abuse
- Presence of clinically significant cardiac disease
- History of hypersensitivity to IFN-g or E. coli derived products
- Presence of severe renal disease or hepatic disease
- Clinically significant abnormal White blood cell count, hemoglobin or platelet count
- Any subject planning a scheduled surgical procedure during the study
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Interferon Gamma-1b (ACTIMMUNE)
All individuals in this study will be given active medication (interferon gamma-1b) for 12 weeks.
This will be administered according to a dose-escalation schedule.
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Subjects will begin by taking 10 mcg/m2 of IFN-g-1b for the first two weeks of the study. Dose will be escalated to 25 mcg/m2 of IFN-g-1b for weeks three and four of the study. Finally, the dose will be escalated to 50 mcg/m2 of IFN-g-1b for the last eight weeks of the study, which is the current dose approved by the FDA for children. All doses will be administered via subcutaneous injection.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Whole Blood Frataxin Levels
Time Frame: Frataxin levels were measured at the beginning and conclusion of treatment (baseline and 12 weeks)
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Assessment of the change in whole blood frataxin levels as assessed by lateral flow assay using an immunoassay for frataxin.
Frataxin levels in the blood were measured at each study visit.
Change in frataxin level at the end of treatment (week 12) relative to frataxin level at baseline was analyzed.
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Frataxin levels were measured at the beginning and conclusion of treatment (baseline and 12 weeks)
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Change in Total Friedreich Ataxia Rating Scale (FARS) Score
Time Frame: FARS score was calculated at the beginning and conclusion of treatment (baseline and 12 weeks)
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The Friedreich Ataxia Rating Scale (FARS) is neurological rating scale specifically developed and validated for FRDA.
The FARS includes assessments of stance, gait, upper and lower limb coordination, speech, proprioception and strength.
In addition to the standard neurological examination, the FARS contains three quantitative performance measures and a component that assesses activities of daily living (ADL).
Quantitative performance measures include the nine-hole peg test, and a timed 25-foot walk.
FARS scores correlate significantly with functional disability, activities of daily living scores and disease duration.
The scores from the three subscales are added to generate a total score ranging from 0 to 159, with a higher score indicating a greater level of disability.
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FARS score was calculated at the beginning and conclusion of treatment (baseline and 12 weeks)
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Collaborators and Investigators
Investigators
- Principal Investigator: David Lynch, MD, PhD, Children's Hospital of Philadelphia
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
- Metabolic Diseases
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- Neurologic Manifestations
- Genetic Diseases, Inborn
- Neurodegenerative Diseases
- Dyskinesias
- Spinal Cord Diseases
- Heredodegenerative Disorders, Nervous System
- Mitochondrial Diseases
- Cerebellar Diseases
- Spinocerebellar Degenerations
- Ataxia
- Cerebellar Ataxia
- Friedreich Ataxia
- Anti-Infective Agents
- Antiviral Agents
- Antineoplastic Agents
- Interferons
- Interferon-gamma
Other Study ID Numbers
- 13-010121 (Other Identifier: Children's Hospital of Philadelphia)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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