特集 神経疾患のドラッグ･リポジショニング-新時代へ ALS治療薬候補としてのロピニロール塩酸塩

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書誌事項

タイトル別名
  • LS治療薬候補としてのロピニロール塩酸塩
  • LS チリョウヤク コウホ ト シテ ノ ロピニロール エンサンエン
  • [Ropinirole Hydrochloride, a Candidate Drug for ALS Treatment].

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説明

We performed drug screening using motor neurons derived from disease-specific induced pluripotent stem cells (iPSCs) for amyotrophic lateral sclerosis (ALS) and found that ropinirole hydrochloride prevented motor neuron death. We have started a randomized clinical trial testing ropinirole hydrochloride in ALS patients in December 2018. This is a phase I/IIa randomized, double-blind, placebo-controlled, single-center, open-label continuation clinical trial. The primary aim is to assess the safety and tolerability of ropinirole hydrochloride in patients with ALS. Secondary aims include the following effectiveness evaluations: ALSFRS-R, quantitative muscle strength by a hand-held dynamometer, muscle volume by CT scan, forced vital capacity, physical activity by an activity tracker, survival, ALSAQ40 scale, and a Zarit Caregiver Burden Interview. Moreover, we will perform an efficacy evaluation using subjects-derived iPSCs/motor neurons and assess plasma/CSF biomarkers (TDP-43, and ALS-related RNA/micro RNA) as exploratory research questions. Ropinirole hydrochloride potentially targets multiple mechanisms of ALS pathology (i.e., oxidative stress, mitochondrial dysfunction, and abnormal aggregation of TDP-43/FUS protein, which is representative of the ALS phenotype), with promising preclinical study results based on iPSC research. The availability of the drug suggests that rapid translation to daily clinical use might be possible. Our trial will provide reliable and important data for further potential trials. The results will appear in March 2021.

収録刊行物

  • BRAIN and NERVE

    BRAIN and NERVE 71 (9), 943-952, 2019-09-01

    株式会社医学書院

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