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Title

Coenzyme Q10-responsive ataxia: 2-year-treatment follow-up

AuthorsPineda, Mercé; Montero, Raquel; Martínez-Rubio, Dolores ; Palau Martínez, Francesc ; Navas, Plácido ; Briones, Paz; Artuch, Rafael
KeywordsCoenzyme Q10 deficiency
Mitochondrial disorders
Ataxia
Cerebellum
Pediatric patients
Issue Date13-Apr-2010
PublisherJohn Wiley & Sons
CitationMovement Disorders 25(9): 1262-1268 (2010)
AbstractWe assessed the clinical outcome after coenzyme Q10 (CoQ10) therapy in 14 patients presenting ataxia classified into two groups according to CoQ10 values in muscle (deficient or not). We performed an open-label prospective study: patients were evaluated clinically (international cooperative ataxia rating scale [ICARS] scale, MRI, and videotape registration) at baseline and every 6 months during a period of 2 years after CoQ10 treatment (30 mg/kg/day). Patients with CoQ10 deficiency showed a statistically significant reduction of ICARS scores (Wilcoxon test: P = 0.018) after 2 years of CoQ10 treatment when compared with baseline conditions. In patients without CoQ10 deficiency, no statistically significant differences were observed in total ICARS scores after therapy, although 1 patient from this group showed a remarkable clinical amelioration. Biochemical diagnosis of CoQ10 deficiency was a useful tool for the selection of patients who are good candidates for treatment as all of them responded to therapy. However, the remarkable clinical response in 1 case without CoQ10 deficiency highlights the importance of treatment trials for identification of patients with CoQ10-responsive ataxia.
Description7 páginas, 2 figuras, 2 tablas.-- et al.
Publisher version (URL)http://dx.doi.org/10.1002/mds.23129
URIhttp://hdl.handle.net/10261/41854
DOI10.1002/mds.23129
ISSN0885-3185
E-ISSN1531-8257
Appears in Collections:(CABD) Artículos
(IBV) Artículos
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