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A randomized, double-blind, placebo-controlled trial of pridopidine in Huntington’s disease

We examined the effects of 3 dosages of pridopidine, a dopamine-stabilizing compound, on motor function and other features of Huntington’s disease, with additional evaluation of its safety and tolerability. This was a randomized, double-blind, placebo-controlled trial in outpatient neurology clinics at 27 sites in the United States and Canada. Two hundred twenty-seven subjects enrolled from […]

A randomized, double-blind, placebo-controlled study of latrepirdine in patients with mild to moderate Huntington disease

BACKGROUND Latrepirdine is an orally administered experimental small molecule that was initially developed as an antihistamine and subsequently was shown to stabilize mitochondrial membranes and function, which might be impaired in Huntington disease. OBJECTIVE To determine the effect of latrepirdine on cognition and global function in patients with mild to moderate Huntington disease. DESIGN Randomized, […]

A randomized, placebo-controlled trial of latrepirdine in Huntington disease

Objectives: To evaluate the safety and tolerability of latrepirdine in Huntington disease (HD) and explore its effects on cognition, behavior, and motor symptoms.; Design: Double-blind, randomized, placebo-controlled trial.; Setting: Multicenter outpatient trial.; Participants: Ninety-one participants with mild to moderate HD enrolled at 17 US and UK centers from July 18, 2007, through July 16, 2008.; […]

A phase 3 trial of semagacestat for treatment of Alzheimer’s disease

Background: Alzheimer’s disease is characterized by the presence of cortical amyloid-beta (Aβ) protein plaques, which result from the sequential action of β-secretase and γ-secretase on amyloid precursor protein. Semagacestat is a small-molecule γ-secretase inhibitor that was developed as a potential treatment for Alzheimer’s disease.; Methods: We conducted a double-blind, placebo-controlled trial in which 1537 patients […]

Results of the citalopram to enhance cognition in Huntington disease trial

Background: The objective of this study was to evaluate citalopram for executive functioning in Huntington’s disease (HD).; Methods: The study was randomized, double-blind, and placebo-controlled. Thirty-three adults with HD, cognitive complaints, and no depression (Hamilton Depression [HAM-D] rating scale ≤ 12) were administered citalopram 20 mg or placebo (7 visits, 20 weeks), with practice and […]