Journal
JOURNAL OF CLINICAL PSYCHOPHARMACOLOGY
Volume 26, Issue 2, Pages 163-166Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/01.jcp.0000204139.20417.8a
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Background: Galantamine hydrogen bromide (HBr) is a competitive and reversible inhibitor of acetylcholinesterase. Because of its cholinergic nicotinic mechanism of action, galantamine HBr was hypothesized to have therapeutic activity in the treatment of attention-deficit/hyperactivity disorder (ADHD). Method: We conducted a 12-week, double-blind, placebo-controlled, randomized clinical trial using daily doses of up to 24mg/d of galantamine HBr in the treatment of adults who met full Diagnostic and Statistical Manual of Alental Disorders, Fourth Edition criteria for ADHD with childhood-onset and persistent adult symptoms. All analyses were intention to treat with the last observation carried forward for subjects who did not complete the full study schedule. Results: The mean daily doses at week 12 were 19.8 6.4 mg for galantarnine HBr and 21.8 +/- 4.6 mg for placebo (P = 0.3). There was no statistically or clinically significant greater reduction in ADHD symptoms in subjects treated with galantamine HBr relative to those receiving placebo (P = 0.5). Using last observation carried forward, 4 (22%), of 18 patients receiving galantamine HBr were considered responders (much or very much improved on the Clinical Global Impression Improvement Scale and at least a 30% reduction on the ADHD Investigator Symptom Report Scale compared with 11% [2/18] on placebo; P = 0.4). Conclusion: These results do not support the clinical utility of galantamine HBr in the treatment of ADHD at the doses used in this pilot study.
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