Iron-Chelating Therapy and Friedreich Ataxia

Assistance Publique - Hôpitaux de Paris15 enrolled

Overview

Friedreich ataxia, an autosomal recessive condition, ascribed to frataxin gene expansion, has been shown to result from an iron- induced injury to the mitochondrial respiratory chain. Buffering free radicals with short-chain quinones (Idebenone) protects the patients against cardiomyopathy but not CNS involvement. Removing CNS iron should limit the impact of the neurological symptoms of the disease.

The current clinical trial is a monocentric open phase1-2 trial in the context of rare diseases framework, aimed to the goal of defining the tolerance/efficacy of the treatment. Inclusion criteria: minimum age: 13 years Follow up in the Dept of Genetics, Hospital Necker-Enfants Malades, Paris, France

Study Type

INTERVENTIONAL

Allocation

NON_RANDOMIZED

Purpose

TREATMENT

Masking

NONE

Enrollment

Conditions

Friedreich Ataxia

Interventions

Iron chelating interventionDRUG

Iron chelating intervention

Eligibility

Sex: ALLMin age: 13 Years

Medical Language ↔ Plain English

Inclusion Criteria: 1. Minimum age: 13 years 2. Molecular confirmation of frataxin gene mutation 3. Iron overload evaluation 4. Presence of lactate 5. Echography response to Idebenone treatment 6. Urinary test of pregnancy for girls 7. Sexual abstinence for men 8. Information consent Exclusion Criteria: 1. No disturbance of iron metabolism 2. No response to Idebenone 3. Friedreich not confirmed 4. Polynuclear neutrophils \<2 x 109/L or hemoglobin \< 8g/dL 5. No participation to other trial 6. Doubt regarding the compliance of the patient to protocol 7. Impossibility to undergo X-ray examination or presence of iron material in the backbone 8. Pregnant women 9. Absence of social insurance.

Locations (1)

Necker Hospital

Paris, France

Outcomes

Primary Outcomes

assessment of iron overload at TO and month2 by imagery

Time frame: at months :0, 1 ,2 ,4 ,6

Secondary Outcomes

Clinical (monthly) and biological parameter follow- up ( blood count,

Time frame: weekly

plasma iron, ferritin, transferrin and liver enzymes)

Time frame: every months

Data from ClinicalTrials.gov

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