期刊
MUSCLE & NERVE
卷 38, 期 1, 页码 837-844出版社
WILEY
DOI: 10.1002/mus.21059
关键词
amyotrophic lateral sclerosis; arimoclomol; clinical trial; protein aggregation
资金
- NCRR NIH HHS [M01 RR 023940, M01 RR 01066, M01 RR 01346, M01 RR 10732, 5M01 RR 0082729] Funding Source: Medline
Arimoclomol is an investigational drug for amyotrophic lateral sclerosis (ALS) that amplifies heat shock protein gene expression during cell stress. The objectives of the present study were to assess the safety, tolerability, and pharmacokinetics of arimoclomol in ALS. Eighty-four participants with ALS received arimoclomol at one of three oral doses (25, 50, or 100 ring three times daily) or placebo. The primary outcome measure was safety and tolerability. A subset of 44 participants provided serum and cerebrospinal fluid (CSF) samples for pharmacokinetic analysis. Participants who completed 12 weeks of treatment could enroll in a 6-month open-label study. Arimoclomol at doses up to 300 mg/day was well tolerated and safe. Arimoclomol resulted in dose-linear pharmacologic exposures and the half-life did not change with continued treatment. Arimoclomol CSF levels increased with dose. Arimoclomol was shown to be safe, and it crosses the blood-brain barrier. Serum pharmacokinetic profiles support dosing of three times per day. An efficacy study in ALS is planned.
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