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1.
Eur J Vasc Endovasc Surg ; 55(6): 757-818, 2018 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-29730128
2.
J Child Neurol ; 37(1): 20-27, 2022 01.
Artigo em Inglês | MEDLINE | ID: mdl-34620022

RESUMO

BACKGROUND: There is no authorized treatment for ataxia telangiectasia (AT). As cerebellar symptoms of storage diseases were improved by acetyl-DL-leucine (ADLL), the authors hypothesized a symptomatic and disease-modifying effect in AT upon supplementation with ADLL. METHODS: Six patients were treated with ADLL 3 g/day for 1 week followed by 5g/day for 3 weeks to 1 year. Cerebellar ataxia was evaluated by validated scales. Gaze-holding, saccades and smooth pursuit were examined by video-oculography. Measurements took place at baseline, at 1 month of therapy in 5 patients, and after 6 and 12 months in 1 patient. RESULTS: The Scale for Assessment and Rating of Ataxia changed from the baseline, mean, (SD, min-max) of 22.1 (5.88, 11-28.5) to 18 points (5.39, 8.5-23.5) after 1 month on medication (P = .0028). All patients demonstrated gaze-holding deficits; 3 patients had central-position downbeat-nystagmus. Mean slow-phase velocity of this nystagmus with the gaze straight-ahead changed from 5.57°/s (1.8, 3.53-6.99) to 4.7°/s (0.79, 3.97-5.56) after 1 month on treatment (1.35, -2.56-4.17) (P = .046). INTERPRETATION: ADLL may improve ataxia and ocular stability in AT patients, while the molecular basis still remains to be elucidated. A multicentric, rater-blinded, phase II trial currently investigates the effects of acetyl-L-leucine in AT (NCT03759678).


Assuntos
Ataxia Telangiectasia/tratamento farmacológico , Ataxia/tratamento farmacológico , Leucina/análogos & derivados , Nistagmo Patológico/tratamento farmacológico , Adolescente , Adulto , Ataxia/etiologia , Ataxia Telangiectasia/complicações , Criança , Feminino , Humanos , Leucina/farmacologia , Masculino , Nistagmo Patológico/etiologia , Resultado do Tratamento , Adulto Jovem
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