Ataxia-telangiectasia: Treating Mitochondrial Dysfunction With Nicotinamide Riboside
Australia10 participantsStarted 2024-05-01
Plain-language summary
Study design: Single arm open-label clinical trial in ataxia-telangiectasia to test the effects of nicotinamide riboside on ataxia scales, immune function, and neurofilament light chain. Study population: 6-10 patients with Ataxia-Telangiectasia. Dose: Nicotinamide riboside 25 mg/kg/day in 3 equal divided doses.
Primary endpoint: Scales for assessment and rating of ataxia (SARA), and International Cooperative Ataxia Rating Scale (ICARS). Improvement of at least ½ standard deviation in key clinical scales which includes either; a) significant improvement in total combined scores from the SARA and ICARS scales, and /or b) significant improvements any aspects of the SARA and ICARS scales individually, especially pertaining to; Postural and gait improvements, Improved syllable speed and articulation, Improved fine motor skills.
Secondary endpoints: Serum analysis of neurofilament light chain (Nfl), Type 1 Interferon (INFs) epigenetic signature
Who can participate
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Inclusion Criteria:
Participants who meet all of the following criteria are eligible for enrolment:
* Patients of either sex, of any age, with a confirmed diagnosis of A-T,
* Patients who are able to undertake the study procedures,
* Families who are able to comply with the protocol for its duration and who provide informed patient assent and consent signed and dated by parent/legal guardian or adult participant according to local regulations.
Exclusion Criteria:
Participants who meet any of these criteria are not eligible for enrolment:
* Patients whose parents/legal guardians are not able to provide consent
* Patients who have been in another randomised clinical intervention trial where the use of investigational medicinal product within 3 months or 5 half-lives, whichever is longer, before study enrolment
* Taking off label mediations or nutritional supplements that the PI consider would impact participant's safe participation.
* Patients who are pregnant and/or lactating, planning a pregnancy during the study. Contraception must be used for sexually active male and female participants
* Liver enzymes (alanine aminotransferase \[ALT\]/aspartate aminotransferase \[AST\]) or total bilirubin \> 2 x the upper limit of normal at the time of screening.
* Renal insufficiency as defined by estimated glomerular filtration rate (eGFR) \< 30 mL/min/1.73m2 at the screening visit.
* Any comorbid medical condition that in the assessment of the PI that would impact participant's saf…