Safety/tolerability trial of SDZ ENA 713 in patients with probable Alzheimer's disease - PubMed (original) (raw)

Clinical Trial

Safety/tolerability trial of SDZ ENA 713 in patients with probable Alzheimer's disease

J J Sramek et al. Life Sci. 1996.

Abstract

SDZ ENA 713 (ENA 713) is an acetylcholinesterase inhibitor being developed as a potential treatment for Alzheimer's disease (AD). A prior Phase II safety and efficacy study used an upper dose limit of 6 mg/day ENA 713. The present study was designed to assess the safety and tolerability of higher doses of ENA 713 in probable AD patients. Fifty AD patients (22M; 28F, mean age 68 yrs, range 45-90) were assigned to a fixed, nine-week dose escalation schedule in which they were randomized to receive up to 12 mg/day of ENA 713 bid (n=20) or tid (n=20), or placebo (n=10) followed by a one-week washout. Mg/day dose escalation for the bid and tid ENA 713 groups was identical, beginning with 2 mg/day on Days 1 to 3 and escalating to 12 mg/day in Weeks 8 and 9. Doses through 12 mg/day were well tolerated. Most adverse events were mild to moderate in severity and of limited duration, most commonly headache, nausea, dizziness, and diarrhea. Three of forty patients on ENA 713 discontinued, all due to adverse events. Two experienced nausea and vomiting; the third experienced an unrelated mild atrial fibrillation.

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